1. Umama Rashid Lamiya, David J. Shoemaker, Xiaobo Lei, Samia Alam, William E. Holmes, Jonathan Raush, Mark E. Zappi, and Daniel Dianchen Gang. Adsorption and Recovery of Tellurium from Aqueous Solutions Using Calcined Mg–Al Layered Double Hydroxide Adsorbent. Industrial & Engineering Chemistry Research 2026 65 (11), 6196-6208. http://doi.org/10.1021/acs.iecr.5c05167.

2. Alam, S. Kaisar et al. “Preparation and Performance Evaluation of Granulated PVDF-Lithium Ion-Sieve: An Efficient Direct Lithium Extraction (DLE) System for Industrial Applications.” Journal of Environmental Chemical Engineering 2026. https://doi.org/10.1016/j.jece.2026.121474.

3. Revellame, E.D.; Gatdula, K.M.; Aguda, R.; Fortela, D.L.B.; Holmes, W.E.; Hernandez, R.A.; Zappi, M.E. Microalgae for bioregenerative life support in space. Handbook of Microalgae-Based Processes and Products, 2nd Edition. Fundamentals and Advances in Energy, Food, Feed, Fertilizer, and Bioactive Compounds 2026, 1069-1106. https://doi.org/10.1016/B978-0-443-34082-6.00044-1. 

1. Fortela, D.L., Broussard, H., Ward, R., Broussard, C., Mikolajczyk, A., Bayoumi, M., and Zappi, M., 2025, “Soft Actor-Critic Reinforcement Learning Improves Distillation Column Internals Design Optimization”, ChemEngineering, V9, N34, https://doi.org/10.3390/ chemengineering9020034.

2. Zeringue, C. Chirdon, W., Sharp, W., Gang, D., Khattab, A., Hernandez, R., Holmes, W., and Zappi, M., 2025, “Production of green adhesives from sustainable proteins derived from municipal wastewater treatment plant sludges and potential enhancements from soy protein amending”, Journal of Environmental Management, V391, Paper No. 126497, doi.org/10.1016/j.jenvman.2025.126497.

3. Foret, B., Chirdon, W. Hernandez, R., Fortela, D., Revellame, E., Gang 1,3 , Hmida, J., Holmes, W., and Zappi, M., 2025, “A Techno-Economic Analysis of Integrating an Urban Biorefinery Process Within a Wastewater Treatment Plant to Produce Sustainable Wood Adhesives”, Sustainability, V17, Paper No. 6679, doi.org/10.3390/su 17156679.

4. Martinez-Zuniga, G.; Antwi, S.; Soni-Castro, P.; Olayiwola, O.; Chuprin, M.; Holmes, W.E.; Buchireddy, P.; Gang, D.; Revellame, E.; Zappi, M.E.; et al. Correction: Martinez-Zuniga et al. Methyl Mercaptan Removal from Methane Using Metal-Oxides and Aluminosilicate Materials. Catalysts 2024, 14, 907. Catalysts 2025, 15, 619. https://doi.org/10.3390/catal15070619.

5. Laines Canepa, J.R.; Foret, B.; Núñez-Nogueira, G.; Dufreche, S.; Hernandez, R.; Gang, D.; Sharp, W.; Revellame, E.; Fortela, D.L.B.; Simoneaux, S.; et al. Biogas Upgrading into Renewable Natural Gas: Part I—An Assessment of Available Technologies. Energies 2025, 18, 5750. https://doi.org/10.3390/en18215750. 

6. Foret, B.; Laines Canepa, J.R.; Núñez-Nogueira, G.; Dufreche, S.; Hernandez, R.; Gang, D.; Sharp, W.; Revellame, E.; Fortela, D.L.B.; Simoneaux, S.; et al. Biogas Upgrading into Renewable Natural Gas: Part II—An Assessment of Emerging Technologies. Energies 2025, 18, 5760. https://doi.org/10.3390/en18215760. 

7. Bertrand, R., Dizon, L.S., Holmes, W., Fortela, D., Chistoserdov, A., Hernandez, R., Zappi, M. and Revellame, E. (2025), Design and evaluation of a novel two-phase partitioning bioreactor to enhance methane mass transfer. J Chem Technol Biotechnol, 100: 2455-2464. https://doi.org/10.1002/jctb.70063. 

8. Kristel M. Gatdula, August A. Gallo, William E. Holmes, Andrei Chistoserdov, Mark E. Zappi, Rafael A. Hernandez, and Emmanuel D. Revellame. Enhancing Nonionic Surfactant-Mediated Butyric Acid Extraction through Fermentation Medium Salt Augmentation. ACS Sustainable Chemistry & Engineering 2025 13 (38), 16154-16164. https://doi.org/10.1021/acssuschemeng.5c07911.

9. Imran, Anusha, et al. "Adsorption of PFCAs using polyethyleneimine modified Biochar: Role of chain length and effects of water matrices." Chemosphere 386 (2025): 144650. https://doi.org/10.1016/j.chemosphere.2025.144650.

10. Gatdula, Kristel M., et al. "Evaluation of non-ionic surfactants for aqueous two-phase extraction of butyric acid." Chemical Engineering Journal Advances (2025): 100831. https://doi.org/10.1016/j.ceja.2025.100831.

11. Kristel M. Gatdula, Lucile Fonseca, Peng Yin, William E. Holmes, Rafael A. Hernandez, Mark E. Zappi, and Emmanuel D. Revellame. Utilizing Chlorella vulgaris and In Situ Resources for Biomineralization-Driven Fabrication of Mars Bricks. ACS Earth and Space Chemistry 2025 9 (4), 817-828. https://doi.org/10.1021/acsearthspacechem.4c00338.

12. Hernandez, R.E., Zeringue, C.T., Zappi, A.M. et al. An Evaluation of the Genesis and Construct of State-Level Climate Action Plans Within the USA: Envisioning Carbon-Neutrality. Curr Pollution Rep 11, 12 (2025). https://doi.org/10.1007/s40726-025-00342-0.

13. Shoemaker, David J., et al. "An evaluation of hydrogen peroxide-mediated hydroxylation of titanium-based ion sieves for enhancing the performance of lithium capture from aqueous solutions." Chemical Engineering Journal (2025): 171896. https://doi.org/doi.org/10.1016/j.jece.2026.121474.

1. Revellame, E., Aguda, R. Gatdula, K., Holmes, W., Fortela, D.L., Sharp, W., Gang, D., Chistoserdov, A., Hernandez, R., and Zappi, M., 2024, “Microalgae in bioregenerative life support systems for space applications”, Algal Research, V77, Paper No. 103332, doi.org/10.1016/j.algal.2023.103332.

2. Peck, D., Deoli, N., Holmes, W., Gang, D., Zappi, M., Hernandez, R., and Buchireddy, P., 2024, “Evaluation of a novel nickel ceramic filter prepared by urea precipitation method for removal of tars from biomass syngas using naphthalene as tar model compound”, Journal of the Energy Institute, V114, Paper No.101563, doi.org/10.1016/j.joei.2024.101563.

3. Fortela, D., Travis, A., Mikolajczyk, A., Sharp, W., Revellame, E., Holmes, W., Hernandez, R., and Zappi, M., 2024, “Quantitating Wastewater Characteristic Parameters Using Neural Network Regression Modeling on Spectral Reflectance”, Clean Technologies, V5, N4, pp. 1186-1202; https://doi.org/10.3390/cleantechnol5040059.

4. Shrestha, B., Foret, B., Sharp, W., Gang, D., Hernandez, R., Fortela, D., Holmes, W., and Zappi, M., 2024, “An Overview of the Potential for Municipal Wastewater Treatment Plants to Be Integrated into Urban Biorefineries for the Production of Sustainable Bio-Based Fuels and Other Chemicals”, Current Pollution Reports, V10, Issue 2, doi.org/10.1007/s40726-024-00318-6.

5. Mikolajczyk, A., Fortela, D., Berry, C., Chirdon, W., Hernandez, R., Gang, D., and Zappi, M., 2024, “Evaluating the Suitability of Linear and Nonlinear Regression Approaches for the Langmuir Adsorption Model as Applied toward Biomass-Based Adsorbents: Testing Residuals and Assessing Model Validity”, Langmuir, V40, Issue 39, PP. 20428 – 20442, doi.org/10.1021/acs.langmuir.4c01786.

6. Zeringue, C., Chirdon, W., Sharp, W., Gang, D., Khattab, A., Hernandez, R., Holmes, W., and Zappi, M., 2024, “Physical and Chemical Characterization of Sustainable Green Adhesives Derived from Municipal Treatment Plant Sludges”, Sustainability, V16, Issue 21, Paper No. 9346; doi.org/10.3390/su16219346.

7. Martinez-Zuniga, G., Antwi, S., Soni-Castro, P., Olayiwola, O., Maksym, C., Holmes, W., Buchireddy, P., Gang, D., Revellame, E., Zappi, M., and Hernandez, R., 2024, “Methyl Mercaptan removal from Methane using Metal-Oxides and Aluminosilicate Materials”, Catalysts.

8. Fortela, D.L., Mikolajczyk, A., Carnes, M., Sharp, W., Revellame, E., Hernandez, R., Holmes, W., and Zappi, M., 2024, “Predicting Molecular Docking of Per- and Polyfluoroalkyl Substances to Blood Protein Using Generative Artificial Intelligence Algorithm Diffdock”, Biotechniques, V76, I1., doi.org/10.2144/btn-2023-0070.

9. Martinez-Zuniga, G., Antwi, S., Soni-Castro, P., Olayiwola, O., Chuprin, M., Holmes, W., Buchireddy, P., Gang, D., Revellame, E., Zappi, M., and Hernandez, R., 2024, “Methyl Mercaptan Removal from Methane Using Metal-Oxides and Aluminosilicate Materials”, Catalysts, V14, 907, doi.org/10.3390/catal14120907.

1. Sarker, P., Lei, X., Taylor, K., Holmes, W., Yan, H., Cao, D., Zappi, M., and Gang, D., 2023, “Evaluation of the adsorption of sulfamethoxazole (SMX) within aqueous influents onto customized ordered mesoporous carbon (OMC) adsorbents: Performance and elucidation of key adsorption mechanisms”, Chemical Engineering Journal, Volume 454, Part 1, 140082, doi.org/10.1016/j.cej.2022.140082. E-print released in 12/2022.

2. Fortela, D., DeLattre, A., Sharp, W., Revellame, E., and Zappi, M., 2023, “Using Self-Organizing Map Algorithm to Reveal Stabilities of Parameter Sensitivity Rankings in Microbial Kinetic Models: A Case for Microalgae”, Clean Technologies, V5, pp. 38–50, doi.org/10.3390/cleantechnol5010003.

3. Sosa, J., Laines, J., Garcia, D., Hernandez, R., and Zappi, M., 2023, “Activated Carbon: A Review of Residual Precursors, Synthesis Processes, Characterization Techniques, and Applications in the Improvement of Biogas”, Environmental Engineering Research, 28(3): 220156, doi.org/10.4491/eer.2022.156.

4. Shrestha, B., Hernandez, R., Fortela, D., Sharp, W., Chistoserdov, A., Gang, D., Revellame, E., Holmes, W., and Zappi, M., 2023, “Formulation of a simulated wastewater influent composition for use in the research of technologies for managing wastewaters generated during manned long-term space exploration and other similar situations – literature-based composition development”, BioTech, V12, N8, doi.org/10.3390/biotech12010008, E-version in 12/2022.

5. Lei, X., Xu, L., Zhang, X., Karsili, T., Holmes, W., Chen, Y., Zappi, M., and Gang, D., 2023, “A review of PFAS adsorption from aqueous solutions: Current approaches, engineering applications, challenges, and opportunities”, Environmental Pollution, V321, Paper No. 121138, doi.org/10.1016/j.envpol.2023.121138.

6. Dizon, L., Bertrand, R., Holes, W., Hernandez, R., Fortela, D., Chistoserdov, A., Zappi, M., and Revellame, E., 2023, “Analysis of Methanotroph Populations from Various Sources for Production of High-Value Products”, Engineering Proceedings Journal, V31, P30, doi.org/10.3390/ASEC2022-13953.

7. Peck, D., Holes, W., Zappi, M., Hernandez, R., Gang, D., and Buchireddy, P., 2023, “Novel nickel ceramic filter for hot gas cleanup of tars from syngas”, Fuel Processing Technology, V244, Paper No. 107708, doi.org/10.1016/j.fuproc.2023.107708.

8. Aguda, R., Stelly, C., Fonseca, L., LeBoeuf, S., Massiha, S., Chistoserdov, A., Holmes, W., Hernandez, R., Zappi, M., and Revellame, E., 2023, “Effect of macronutrient levels on Chlorella vulgaris cultivation for long duration spaceflights and space settlements”, Acta Astronautica, V206, pp. 206-217, doi.org/10.1016/j.actaastro.2023.02.031. 

9. Peck, D., Zappi, M., Gang, D., Guillory, J., Hernandez, R., and Buchireddy, P., 2023, “Review of Porous Ceramics for Hot Gas Cleanup of Biomass Syngas Using Catalytic Ceramic Filters to Produce Green Hydrogen/Fuels/Chemicals”, Energies, V16, 2334. https://doi.org/10.3390/en16052334.

10.  Fortela, D.L., Fremin, A., Sharp, W., Mikolajczyk, A., Revellame, E., Holmes, W., Hernandez, R., and Zappi, M., 2023, “Unsupervised Machine Learning to Detect Impending Anomalies in Testing of Fuel Economy and Emissions of Light-Duty Vehicles”, Clean Technologies, 5, pp. 418–435, https://doi.org/10.3390/cleantechnol5010021.

11. Hazra, S., Morampudi, P., Prindle, J., Fortela, D., Hernandez, R., Zappi, M., and Buchireddy, P., 2023, “Torrefaction of Pine Using a Pilot-Scale Rotary Reactor: Experimentation, Kinetics, and Process Simulation Using Aspen Plus™”, Clean Technologies, V5(2), pp. 675-695, doi.org/10.3390/cleantechnol5020034.

12. Castro, P., Zuniga, H., Holmes, W., Buchireddy, P., Gang, D., Revellame, E., Zappi, M., and Hernandez, R., 2023, “Review of the adsorbents/catalysts for the removal of sulfur compounds from natural gas”, Gas Science and Engineering, V115, Paper No. 205004, doi.org/10.1016/j.jgsce.2023.205004.

13. Zeringue, C., Chirdon, W., Sharp, W., Gang, D., Khattab, A., Hernandez, R., Revellame, E., Holmes, W., and Zappi, M., 2023, “Production of Sustainable Green Adhesives from Proteinaceous Biomass with an Emphasis on Waste-Derived Protein Residuals: A Review”, Industrial and Engineering Chemistry Research, V62, N33, pp. 12716–12731, doi.org/10.1021/acs.iecr.3c00963.

14. Fortela, D.L., Travis, A., Mikolajczyk, A., Sharp, W., Revellame, E., Holmes, W., Hernandez, R., and Zappi, M., 2023, “Quantitating Wastewater Characteristic Parameters Using Neural Network Regression Modeling on Spectral Reflectance”, Clean Technologies, 5, pp. 1186–1202, doi.org/10.3390/cleantechnol5040059.

15. Oni, O., Lawrence, M., Zappi, M., and Chirdon, W., 2023, “A Review of Strategies to Enhance the Water Resistance of Green Wood Adhesives Produced from Sustainable Protein Sources”, Sustainability 2023, V15, Paper No. 14779, doi.org/10.3390/su152014779.

16. Joanen, T., Mikolajczyk, A., Staton, M., Kaplan, J., Holmes, W., and, Zappi, M., 2023, “Impacts of Diet on Reproductive Performance of Captive American Alligators (Alligator mississippiensis)”, Animals, V13, Paper No. 3797, doi.org/10.3390/ani13243797. 

1. Zhang, X., Gang, D., Lei, X., Wang, T., Lian, Q., Holmes, W., Fei, L., Zappi, M., and, Yao, H., 2022, “Surface-bound hydroxyl radical-dominated degradation of sulfamethoxazole in the amorphous FeOOH/peroxymonosulfate system: The key role of amorphous structure enhancing electron transfer”, Environmental Research, V214, P3, Paper No.113964, doi.org/10.1016/j.envres.2022.113964.

2. Zhang, X., Gang, D., Lei, X., Wang, T., Lian, Q., Holmes, W., Feu, L., Zappi, M., Yao, H., 2022, “Overcome the Low Reduction Efficiency of Fe (III) by Peroxymonosulfate Via Constructing the Iron Hydroxide with an Amorphous Structure: Insight into the Mechanism of Sulfamethoxazole Degradation and Electron Transfer”, SSRN Electronic Journal, Paper No. 4060030, doi.org/10.2139/ssrn.4060030.

3. Zappi, M., Hernandez, R., Zappi, K., Trahan, C., Gang, D., Bajpai, R., Kuo, C., and Nigam, K., 2022, “Optimization of peroxone oxidation for removal of TNT from aqueous solutions using a process-intensified hydrogen peroxide dosing strategy”, Chemical Engineering and Processing - Process Intensification, V180, Paper No. 108808, doi.org/10.1016/j.cep.2022.108808.

4. Lei, X., Lian, Q., Zhang, X., Wang, T., Gee, M., Holmes, W., Jing, S., Ponnusamyh, S., Gang, D., and Zappi, M., 2022, “Removal of perfluorooctanoic acid via polyethyleneimine modified graphene oxide: Effects of water matrices and understanding mechanisms”, Chemosphere, V308, Part 2, Paper No. 136379, doi.org/10.1016/j.chemosphere.2022.136379. 

1. Revellame, E., Aguda, R., Chistoserdov, A., Fortela, D., Hernandez, R., and Zappi, M., 2021, “Microalgae cultivation for space exploration: Assessing the potential for a

new generation of waste to human life-support systems for long duration

space travel and planetary human habitation”, Algal Research, V55, Paper No. 102258.

2. Arora, S., Buchireddy, P, and Zappi, M, 2021, “Farm Waste Energy Generation”, Chapter within book – Waste Energy – Vol. 2 (Edited by K.R. Rao), ASME Press, New York, NY., ISBN: 9780791883679.

3. Buchireddy, P., Peck, D., Zappi, M., and Bricka, R. M., 2021, “Catalytic Hot Gas Cleanup of Biomass Gasification Producer Gas via Steam Reforming Using Nickel-Supported Clay Minerals”, Energies, V14, Paper No. 1875, doi.org/10.3390/en14071875.

4. Lian, Q., Islam F., Ahmad, Z., Lei, X., Depan, D., Zappi, M., Gang, D., Holmes, W., and Yan, H., 2021, “Enhanced adsorption of resorcinol onto phosphate functionalized graphene oxide synthesized via Arbuzov Reaction: A proposed mechanism of hydrogen bonding and π-π interactions”, Chemosphere, V280, Paper No. 130730, doi.org/10.1016/j.chemosphere.2021.130730.

5. Zhang, X., Yao, H., Lei, X., Roy, A., Doucet, D., Yan, H., Zappi, M., and Gang, D., 2021, “A comparative study for phosphate adsorption on amorphous FeOOH and

goethite (α-FeOOH): An investigation of relationship between the surface

chemistry and structure”, Environmental Research, V199, Paper No. 111223, doi.org/10.1016/j.envres.2021.111223.

6. Deoli, N, Mikolajczyk, A., Fusilier, Z., Zappi, M., and Whitlow, H., 2021, “Elemental composition of alligator eggshell and eggshell membrane using micro-PIXE”, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, V502, pp. 80-84, doi.org/10.1016/j.nimb.2021.06.005.

7. Blue, D., Fortela, D.L., Holmes, W., LeBoeuf, S., Subramaniam, R., Hernandez, R., Zappi, M., and Revellame, E., 2021, “Alkali pretreatment of industrial mixed vegetable waste for fermentable sugar production”, Biomass Convention and Biorefinery, Paper No. 1608, pp. 1 – 11, doi.org/10.1007/s13399-021-01608-5.

8. Zhang, X., Yao, H., Lei, X., Lian, Q., Holmes, W., Fei, L., Zappi, M., and Gang, D., 2021, “Synergistic adsorption and degradation of sulfamethoxazole from synthetic

urine by hickory-sawdust-derived biochar: The critical role of the

aromatic structure”, Journal of Hazardous Materials, V418, Paper No. 126366; doi.org/10.1016/j.jhazmat.2021.126366.

9. Lei, X., Ya, L., Lian, Q., Zhang, X., Wang, T., Holmes, W., Ding, G., Gang, D., and Zappi, M., 2021, “Enhanced adsorption of perfluorooctanoate (PFOA) onto low oxygen

content ordered mesoporous carbon (OMC): Adsorption behaviors

and mechanisms”, Journal of Hazardous Materials, V21, 126810, doi.org/10.1016/j.jhazmat.2021.126810.

10.  Zhang, X., Gang, D., Zhang, J., Lei, X., Lian, Q., Holmes, W., Zappi, M., and Yao, H., 2021, “Insight into the activation mechanisms of biochar by boric acid and its

application for the removal of sulfamethoxazole”, Journal of Hazardous Materials, V424, Paper No. 127333, doi.org/10.1016/j.jhazmat.2021.127333.

1. Lian, Q., Yao, L., Ahmad, Z., Konggidinata, M., Zappi, M., and Gang, D., 2020, “Modeling Mass Transfer for Adsorptive Removal of Pb (II) onto Phosphate Modified Ordered Mesoporous Carbon (OMC)”, Journal of Contaminant Hydrology, Vol. 228, Paper No. 103562; doi.org./10.1016/j.jconhyd.2019.103562.

2. Lian, Q., Ahmad, Z., Zappi, M., Lord Fortela, D., Hernandez, R., and, Gang, D., 2020, “The Effects of Carbon Disulfide Driven Functionalization on Graphene Oxide for Enhanced Pb(II) Adsorption: Investigation of Adsorption Mechanism”, Chemosphere, Vol. 248, Paper No. 126078, doi.org/10.1016/j.chemosphere.2020.126078.

3. Shrestha, B., Hernandez, R., Fortela, D.L., Sharp, W., Chistoserdov, A., Gang, D., Revellame, E., Holmes, W., Zappi, M., 2020, “A Review of Pretreatment Methods to Enhance Solids Reduction during Anaerobic Digestion of Municipal Wastewater Sludges and the Resulting Digester Performance: Implications to Future Urban Biorefineries”, Applied Sciences, V10, Paper No. 9141; doi:10.3390/app10249141.

4. Zappi, M., Zappi, A., Revellame, E., Sharp, W., Fortela, D.L., Hernandez, R., Chambers, T., Ritter, K., and Gang, D., 2020, “An Assessment of the Potential to Produce Commercially Valuable Lipids on Highway Right-of-Way Land Areas Located Within the Southeastern United States”, Sustainability, V12, Paper No. 5225; doi:10.3390/su12135225.

5. Lian, Q., Roy, A., Kizilkaya, O., Gang, D., Holmes, W., Zappi, M., Zhang, X., and Yao, H., 2020, “Uniform Mesoporous Amorphous Cobalt-Inherent Silicon Oxide as a Highly Active Heterogeneous Catalyst in the Activation of Peroxymonosulfate for Rapid Oxidation of 2,4-Dichlorophenol: The Important Role of Inherent Cobalt in the Catalytic Mechanism”, Applied Materials and Interfaces, V12, N51, 57190 – 57206, doi: org/10.1021/acsami.0c20341.

6. Ahmad, Z., Yao, L., Lian, Q., Islam, F., Zappi, M., and Gang, D., 2020, “The use of artificial neural network (ANN) for modeling adsorption of sunset yellow onto neodymium modified ordered mesoporous carbon”, Chemosphere, V256, Paper No. 12708, doi: org/10.1016/j.chemosphere.2020.127081.

7. Lian, Q., Yao, L., Ahmad, Z., Gang, D., Konggidinata, M., Gallo, A., and Zappi, M., 2020, “Enhanced Pb(II) adsorption onto functionalized ordered mesoporous carbon (OMC) from aqueous solutions: the important role of surface property and adsorption mechanism”, Environmental Science and Pollution Research, V27, pp. 23616–23630, doi: org/10.1007/s11356-020-08487-9.

8. Fortela, D.L., Sharp, W., Revellame, E., Chistoserdov, A., Holmes, W., Gang, D., Hernandez, E., and Zappi, M., 2020, “Lipid accumulation capability of typical non‐acclimated activated sludge microbial consortia using methane gas as secondary carbon source”, Engineering Reports, Engineering Reports, V2, Paper No. e12148, doi: org/10.1002/eng2.12148.

9. Gang, D., Ahmad, Z., Lian, Q., Yao, L., and Zappi, M., 2020, “A Review of Adsorptive Remediation of Environmental Pollution from Aqueous Phase by Ordered Mesoporous Carbon”, Chemical Engineering Journal, V403, Paper No. 126286, doi.org/10.1016/j.cej.2020.126286.

10. Aguda, R., LeBoeuf, S., Stelly, C., Bonilla, S., LeBlanc, B., Holmes, W., Hernandez, R.,  Zappi, M., and Revellame, E., 2020, “The Potential of Non-Ionic Surfactants for Extraction of Lactic Acid from Aqueous Solution”, Applied Sciences, V10, Paper No. 5315; doi:10.3390/app10155315.

11. Revellame, E., Fortela, D., Sharp, W., Hernandez, R., and Zappi, M., 2020, “Adsorption Kinetic Modeling using Pseudo-First Order and Pseudo-Second Order Rate Laws: A Review”, Cleaner Engineering and Technology, V1, Paper No. 100032, doi.org/10.1016/j.clet.2020.100032.

12. Fortela, D. L., Crawford, M., DeLattre, A., Kowalski, S., Lissard, M., Fremin, A., Sharp, W., Revellame, E., Hernandez, R., and Zappi, M., 2020, “Using Self-Organizing Maps to Elucidate Patterns among Variables in Simulated Syngas Combustion”, Clean Technologies, V2, N2, pp. 156-169, doi.org/10.3390/cleantechnol2020011. 

1. Belgodere, J., Revellame, E., Hernandez, R., Holmes, W., Collazos, L., Bajpai, R., Zappi, M., 2019, “Liquid-Liquid Equilibria for Volatile Fatty Acids + Water + Alcohol Ethoxylate: Experimental Measurement of Pseudo-Ternary Systems”, Journal of Chemical Thermodynamics, Vol. 128, pp. 207 – 214.

2. Ahmad, Z., A., Lian, Q., Zappi, M., Buchireddy, P. and Gang, D., 2019, “Adsorptive Removal of Resorcinol on a Novel Ordered Mesoporous Carbon (OMC) Employing COK-19 Silica Scaffold: Kinetics and Equilibrium Study”, Journal of Environmental Sciences, Vol. 75, pp. 207-317, DOI: 10.1016/j.jes.2018.04.014.

3.  Ahmad, Z., Lian, Q., Zappi, M., Buchireddy, P., and Gang, D., 2019, “Adsorptive Removal of Resorcinol onto Surface Modified Ordered Mesoporous Carbon: Kinetics and Equilibrium Study”, Environmental Progress and Sustainable Energy, Vol. 38, No. S1, pp. S386-S397, doi.org/10.1002/ep.13070.

4. Fortela, D., Sharp, W., Revellame, E., Hernandez, R., Gang, D., and Zappi, M., 2019, “Computational Evaluation for Effects of Feedstock Variations on the Sensitivities of Biochemical Mechanism Parameters in Anaerobic Digestion Kinetic Models”, Biochemical Engineering Journal, Vol. 143, 212 – 223. 

5. Ahmad, Z., Yao, L., Wang, J., Gang, D., Islam, F., Lian, Q., and Zappi, M., 2019, “Neodymium Embedded Ordered Mesoporous Carbon (OMC) for Enhanced Adsorption of Sunset Yellow: Characterizations, Adsorption Study, and Adsorption Mechanism”, Chemical Engineering Journal, Vol. 359, pp. 814 – 826, doi:https://doi.org/10.1016/j.cej.2018.11.174.

6. Zappi, M., Fortela, D., Hernandez, R., Zappi, K., and Gang, D., 2019, “Challenges and Suggestions Toward Developing Full-Scale Commercialization of Transportation Biofuels Within the United States”, IEEE XPlore, 22 July 2019, INSPEC Accession Number: 18833257, DOI:  10.1109/GreenTech.2019.8767120.

7.  Barskov, S., Zappi, M., Buchireddy, P., Dufreche, S., Guillory, J., Gang, D., Hernandez, R., Bajpai, R., Baudier, J., and Sharp, R., 2019, “Torrefaction of Biomass: A Review of Production Methods for Biocoal from Cultured and Waste Lignocellulosic Feedstocks”, Renewable Energy Journal, Vol. 142, pp. 624 – 642, doi.org/10.1016/j.renene.2019.04.068 0960-1481.

8. Zappi, M., Revellame, E., Fortela, D., Hernandez, R., Gang, D., Holmes, W., Sharp, W., Picou-Mikolajczyk, A., Nigame, K., and Rakesh Bajpai, R., 2019, “Evaluation of the Potential to Produce Biogas and Other Energetic Co-Products Using Anaerobic Digestion of Wastewater Generated at Shrimp Processing Operations”, ACS Journal of Industrial and Chemical Engineering Research, Vol. 58, No. 35, pp. 15930 – 15944.

9. Zappi, M., Bajpai, R., Hernandez, R., Mikolajczyk, A., Fortela, D., Sharp, W., Chirdon, W., Zappi, K., Gang, D., Nigam, K., and Revellame, E., 2019, “Microalgae Culturing to Produce Bio-Based Diesel Fuels: An Overview of the Basics, Challenges, and a Look Toward a True Biorefinery Future”, ACS Journal of Industrial and Chemical Engineering Research, Vol. 58, No. 35, pp. 15724-15746, doi: 10.1021/acs.iecr.9b01555

10. Fortela, D., Hernandez, R., Revellame, E., Sharp, W., and Zappi, M., 2019, “Lipids from wastewater activated sludge cultivated on acetic acid as potential alternatives to high-value oils and fats”, Journal of the American Oil Chemists' Society, Vol. 96, No. 9, pp. 1073-1079.

11.  Fortela, D., Farmer, K., Zappi, A., Sharp, W., Revellame, E., Gang, D., and Zappi, M., 2019, “A Methodology for Global Sensitivity Analysis of Activated Sludge Models: Case Study with Activated Sludge Model No. 3 (ASM3)”, Journal of Water Environment Research (WEF), Vol. 91, No. 9, pp. 865 – 876, doi.org/10.1002/wer.1127.

12.  Zappi , M., Fortela , D., Sharp, W., Bajpai, R., Gang, D., Holmes, W., Hernandez, R., and Revellame, E., 2019, “ Evaluation of the Potential Conversion of Catfish Processing Wastewater into Energetic Co-Product using various Anaerobic Digestion Strategies”, Processes Journal, Vol. 7, No. 368, doi:10.3390/pr7060368.

13. Go, L., Fortela, D., Revellame, E., Zappi, M., Chirdon, W., Holmes, W., and Hernandez, R., 2019, “Emerging biorefineries from biobased chemicals and energy recovered from waste microbial matrices", Current Opinions in Chemical Engineering, Vol. 26, pp. 65–71, doi.org/10.1016/j.coche.2019.08.005.

14. Lian, Q., Yao, L., Ahmad, Z., Lei, X., Islam, F., Zappi, M., and, Gang, D., 2019, "Nonpoint Source Pollution", Journal of Water Environment Research, Vol. 91, N10, pp. 1 – 15, DOI: 10.1002/wer.1205.

15. Blue, D., Lord Fortela, D., Holmes, W., LaCour, D., LeBoeuf, S., Stelly, C., Subramaniam, R., Hernandez, R., Zappi, M., and Revellame, E., 2019, “Valorization of Industrial Vegetable Waste using Dilute HCl Pretreatment”, Processes, Vol. 7, No. 11, 853, doi.org/10.3390/pr7110853. 

1. Kaveeshwar, A., Ponnusamy, S., Revellame, E., Gang, D., Zappi, M., and Subramaniam, R., 2018, “Pecan Shell based Activated Carbon for Removal of Iron (II) from Fracking Wastewater: Adsorption Kinetics, Isotherm and Thermodynamic Studies”, Journal of Process Safety and Environmental Protection, Vol. 114, pp. 107-122.

2. Ahmad, Z, Chao, B., Konggidinata, M., Lian, Q., Zappi, M., and Gang, D., 2018, “Molecular Simulation and Experimental Validation of Resorcinol Adsorption on Ordered Mesoporous Carbon (OMC)”, Journal of Hazardous Materials, Vol. 354, 258 – 265, doi.org/10.1016/j.jhazmat.2018.04.072.

3.  Kaveeshwar, A., Kumar, P., , Revellame, E., Gang, D., Zappi, M., and Subramaniam, R., 2018, “Adsorption Properties and Mechanism of Barium (II) and Strontium (II) Removal from Fracking Wastewater using Pecan Shell Based Activated Carbon”, Journal of Cleaner Production, Vol. 193, pp. 1 – 13.

4. Islam, F., Lian, Q., Ahmad, Z., Zappi, M., Yao, L., and, Gang, D., 2018, “Non-Point Source Pollution”, Water Environment Research Journal, Vol. 90, No. 10, pp. 1872 – 1898, doi.org/10.2175/106143017x15131012188033. 

5.  Islam, F., Lian, Q., Ahmad, Z., Zappi, M., Yao, L., and Gang, D., 2018, “Nonpoint Source Pollution”, Water Environment Research, Vol. 90, No.10, pp. 1872 - 1898.

6. Fortela, D., Mikolajczyk, A., Hernandez, R., Revellame, E., Holmes, W., and Zappi, M., 2018, “Techno-economic Potential of Integrated Anaerobic Digestion and Aerobic Lipid Accumulation for Fuels and Materials Recovery from Wastewater Treatment Plants”, Fundamentals of Renewable Energy and Applications, Vol. 8, No. 268, 4, doi:10.4172/2090-4541.1000268.

1. Subramanian, R., Gang, D., Nie, J., Bajpai, R., Dufreche, S., Baudier, J., Sharp, R., and Zappi, M., 2017, “Application of Response Surface Methodology for Optimization of Treatment for an Aged Landfill Leachate Using Fenton’s Oxidation Reagent”, Journal of Environmental Engineering Science, 34(5), Paper No. EES-2016-0613.R2.

2. Zappi, M., Bajpai, R., Hernandez, R., Taconi, K., and Gang, D., 2017, “Biocell Treatment of a Small Volume of Petroleum Hydrocarbon Contaminated Soil Using an Innovative, Yet Simple Reactor Design: A Case Study Evaluation of the Design”, Journal of Agricultural Sciences, 8, pp. 600-615.

3.  Konggidinata, M., Chao, B., Subramaniam, R., Zappi, M., and Gang, D., 2017, “Equilibrium, kinetic and thermodynamic studies for adsorption of BTEX onto Ordered Mesoporous Carbon (OMC)”, Journal of Hazardous Materials, 336, pp. 249-259.

4.  Ahmad, Z., Sanin, M., Lian, Q., Zappi, M., and Gang, D., 2017, “Annual Review - Nonpoint Source Pollution”, Water Environment Research Journal, 89 (10), pp 1580 - 1602.

5.  Chao, B., Konggidinata, M., Lin, L., Zappi, M., and Gang, D., 2017, “Effect of Carbon Precursors and Pore Expanding Reagent on Ordered Mesoporous Carbon for Resorcinol Removal”, Journal of Water Process Engineering, 17, pp. 256-263. 

1.  Fortela, D., Hernandez, R., Zappi, M., French, T., Bajpai, R., Chistoserdov, A., Revellame, E., and Holmes, W., 2016, "Microbial Lipid Accumulation Capability of Activated Sludge Feeding on Short Chain Fatty Acids as Carbon Sources through Fed-Batch Cultivation", Journal of Bioprocessing and Biotechniques, Vol. 6, No. 4, DOI: 10.4172/2155-9821.1000275.

2.  Benson, B., Meyer, B, Bajpai, R., Gang, Dufreche, S., and Zappi, M., 2016, “Growth Kinetics, Light Dynamics, and Lipid Production in Microalgae from Sugar-Mill Ponds”, Chemical and Biochemical Engineering Quarterly Journal, 30(3), pp. 331-339.

3. Zappi, M.E, Hernandez, R., Gang, D., Bajpai, R., Kuo, C.H., and Hill, D., 2016, “Treatment of Groundwater Contaminated with High Levels of Explosives Using Advanced Oxidation Processes”, International Journal of Environmental Science and Technology, 13(12), pp. 2767-2778.

4.  Fortela, D., Hernandez, R., Chistoserdov, A., Zappi, M., Bajpai, R., Gang, D., Revellame, E., and Holmes, W., 2016, "Biodiesel profile stabilization and microbial community speciation of activated sludge feeding on acetic acid as carbon source", ACS Journal of Sustainable Chemistry & Engineering, V4, No. 12, pp. 6427-6434.

5. Fortela, D., Hernandez, R., French, T., Zappi, M., Revellame, E., Holmes, W., and Mondala, A., 2016, “Extent of Inhibition and Utilization of Volatile Fatty Acids as Carbon Sources for Activated Sludge Microbial Consortia Dedicated for Biodiesel Production”,  Renewable Energy, V96, Part A, pp. 11-19.

1.  Guillory, J., Buchireddy, P., Barskov, S., and Zappi, M., 2015, “A Simplified Process Engineering Model for Evaluation of Biomass Gasification Performance via Mass/Energy Balances as Modeled Using a Spreadsheet Platform”, Journal of Bioprocessing and Biotechniques, 5 (11), No. 1000263. 

1.  Bajpai, R., Zappi, M., Dufreche, S., Subramanium, R., and Prokop, A., 2013, “Status of Algae as Vehicles for Commercial Products of Fuels and Chemicals”, Algal Biorefineries – Volume 1:  Cultivation of Cells and Products, Springer Publishers, New York, NY, pp. 3 - 24. 

1.  Dufreche, S., Zappi, M., Bajpai, R., Benson, R., and Guillory, J., 2012, ““Today’s Lipid to Renewable Diesel Fuel Market”, International Journal of Advancements in Science and Technology”, V39:49-65.

2.  Nie, J., Gang, D., Benson, B., and Zappi, M., 2012, “Non-point Source Pollution.” Water Environment Research (WEF), 84(10), pp. 1642-1657.

1.  Ayalasomayajula, S., Subramaniam, R., Gallo, A., Dufreche, S., Zappi, M., and Baipai, R., 2011, “Potential of Alligator Fat as Source of Lipids for Biodiesel Production”, Journal of Industrial and Engineering Chemistry Research, V51; 2166-2169.

1. Bajpai, R., Zappi, M., Kim, J., and Qasim, M., 2010, “Bioremediation”, Encyclopedia of Agricultural, Food, and Biological Engineering, Second Edition, 1(1):162-172.

2. Subramaniam, R., Dufreche, S., Zappi, M., and Bajpai, R., 2010, “Microbial lipids from renewable resources: production and characterization”, Industrial Microbiology & Biotechnology.  (2010), 37(12):1271-1287.

3. Wild, R., Patil, S., Popovic, M., Zappi, M., Dufreche, S., and, Bajpai, R., 2010, “Lipids from Lipomyces starkeyi”, Food Technology and Biotechnology, (2010), 48(3):329-335. 

1.  Ford, J., French, T., Hernandez, R., Easterling, E., Zappi, M., Morrison, C., Licha, M., and Brown, L., 2008, “Development and Comparisons of Efficient Gas-Cultivation Systems for Anaerobic Carbon Monoxide-Utilizing Microorganisms”, Bioresource Technology, V99, pp. 638-643.

2.  Taconi, K., Zappi, M., French, T., and Brown, L., 2008, “Methanogenesis Under Acidic pH Conditions in a Semi-Continuous Reactor System”, Bioresource Technology, Vol. 99, 8075-8081. 

1.  Taconi, K., Zappi, M. E., French, W. T., and Brown, L. R, 2007, “Feasibility of Methanogenic Digestion Applied to a Low pH Acetic Acid Solution”, Bioresource Technology, V98, pp. 1576-1585.

2.  Dufreche, S., *Hernandez, R., French, T., Sparks, D., Zappi, M., and Alley, E., 2007, “Extraction of Lipids from Municipal Wastewater Plant Microorganisms for Production of Biodiesel,” J. Amer Oil Chem Soc, 84, 181-187. 

1.  Ford, J., Hernandez, R., and Zappi, M., 2006, “Bench-Scale Evaluation of Advanced Oxidation Processes for Treatment of a Cyanide Contaminated Wastewater from an Engine Manufacturing Facility”, Journal of Environmental Progress, V25, pp. 32-38.

2. Sparks, D., Hernandez, R., Zappi, M., Blackwell, D., and Fleming, T, 2006, “Extraction of Rice Bran Oil Using Supercritical Carbon Dioxide and Propane”, Journal of the American Oil Chemist Society, V83, pp. 885-891.

1.  Qiu, Y., Zappi, M., Kuo, C., and Fleming, E., 2004, “Ozonation of 2,6-, 3,4-, and 3,5-Dichlorophenol Isomers Within Aqueous Solutions”, Journal of Environmental Engineering, Volume 130, Number 4.

2.  Hernandez, R., Zappi, M., and Kuo, C.H., 2004, “Chloride Effect on TNT Degradation by Zerovalent Iron or Zinc During Water Treatment”, Environmental Science and Technology, V38, N19.

1.  Cheng, J., Yang, Z., Chen, H., Kuo, C.H., and Zappi, M., 2003, “Simultaneous Prediction of Chemical Mass Transfer Coefficients and Rates for Removal of Organic Pollutants in Ozone Absorption in an Agitated Semi-Batch Reactor”, Separation and Purification Technology, Volume 31, pp. 97 - 104.

2.  Kuntz, R., Brown, L., Zappi, M., and French, T., 2003, “Isopropanol and Acetone Induces Vinyl Chloride Degradation in Rhodococcus rhodochrous”, Journal of Industrial Microbiology, V30, N11. 

1. Qiu, Y., Kuo, C.H., and Zappi, M., 2002, “Ozonation Kinetics of Six Dichlorophenol Isomers”, Ozone Science and Engineering, V24, pp. 123-1331.

2.  Hernandez, R., Zappi, M., Colucci, J., and Jones, R., 2002, “Comparing the Performance of Various Advanced Oxidation Processes for Treatment of Acetone Contaminated Water”, Journal of Hazardous Materials, V92, No. 1, pp. 33-50.

3.  Waisner, S., Hansen, L., Fredrickson, H., Nestler, C., Zappi, M., Banerji, S., and Bajpai, R.,2002, “Biodegradation of RDX Within Soil-Water Slurries Using a Combination of Differing REDOX Incubation Conditions”, Journal of Hazardous Materials, pp. 91 - 106.

1.  Qiu, Y., Kuo, C.H., and Zappi, M., 2001, “Performance and Simulation of Ozone Absorption and Reactions in a Stirred-Tank Reactor”, Environmental Science and Technology”, V35, pp. 209-215.

1.  Gunnison, D., Zappi, M., Teeter, C., Pennington, J., and Bajpai, R., 2000, “Attenuation Mechanisms of n-Nitrosodimethylamine at an Operating Intercept and Treat Groundwater Remediation System”, Journal of Hazardous Materials, B73, pp. 179 - 197.

2.  Zappi, M., White, K., Hwang, H., Bajpai, R., and Qasim, M., 2000, “The Fate of Hydrogen Peroxide as an Oxygen Source for Bioremediation Activities Within Saturated Aquifer Systems”, Journal of Air and Waste Management, V50, N10, pp. 1818 - 1830.

3. Kuo, C.H., Chen, S., and Zappi, M., 2000, “Peroxone Oxidation of Toluene and 2,4,6-Trinitrotoluene”, Ozone Science and Engineering, V22, pp. 519-534.

4.  Cheng, J., Yang, Z., Kuo, C., and Zappi, M., 2000, “Enhancement Factors in Ozone Absorption Based  on a Surface Renewal Model and Its Application”, Chinese Journal of Chemical Engineering”, Vol. 8, N3, pp. 236 - 240. 

1.  Zappi, M., Jing, Y., Albritton, G., Crawley, A., Singletary, J., Tarbutton, R., and Hall, N., 1999, “Use of Biocells for Enhanced Bioremediation of Soils Contaminated with Heavy Petroleum Hydrocarbons”, Transportation Research Record: Journal of the Transportation Research Board, National Research Council, Number 1675, pp. 51-60.

2.  Qui, Y., Zappi, M., Kuo, C., and Fleming, E., 1999, “A Kinetic and Mechanistic Study of the Ozonation of Dichlorophenols in Aqueous Solutions”, Journal of Environmental Engineering, V125, N5, pp. 441-450.

3.  Kuo, C., Zhong, L., Zappi, M., and Hong, A., 1999, “Kinetics and Mechanism of the Reaction Between Ozone and Hydrogen Peroxide in Aqueous Solutions”, Canadian Journal of Chemical Engineering, Volume 77, No. 6. 

1. Zappi, M., 1998, “Treatment of Explosives Contaminated Groundwaters”, Encyclopedia of Environmental Analysis and Remediation, John Wiley and Sons Inc., New York, NY, pp. 2002-2018.

2.  Taha, R., Acar, Y., Gale, R., and Zappi, M., 1998, “Behavior of Trinitrotoluene in Electrokinetic Processing”, Jurnal Kejuruteraan, Number 10-1998, pp. 33-49.

1. Taha, M., Soewarto, I., Acar, A., Gale, R., and Zappi, M., 1997, "Surfactant Enhanced Desorption of TNT From Soil," Journal of Water, Air, and Soil Pollution, V100, pp. 33-48.

2.  Zhong, L., Kuo, C., and Zappi, M., 1997, “Kinetics and Mechanisms of the Reaction Between Ozone and Hydrogen Peroxide”, Journal of South China University of Technology, Volume 25, No. 12, pp. 50-54.

3. Kuo, C., Zhong, L., Wang, J., and Zappi, M., 1997, "Vapor and Liquid Phase Ozonation of Benzene," Ozone Science and Engineering, V19, No. 2, pp. 109-127.

4.  Harvey, S., Fredrickson, H., Evans, W., Zappi, M., and Hill, D., 1997, “Evaluation of Bioslurry Ecosystems for Removal of TNT from Contaminated Soil Using a Variety of Process Amendments”, Annuals of the NY Academy of Sciences, V829, pp. 142-159.

5. Best, E., Zappi, M., Fredrickson, H., Sprecher, S., Larson , S., and Ochman, M., 1997, “Screening of Aquatic and Wetland Plant Species for Phytoremediation of Explosives Contaminated Groundwater from the Iowa Army Ammunition Plant”, Annuals of the New York Academy of Sciences, Vol. 829, pp. 179-194.

6. Zhong, L, Kuo, C., and Zappi, M., 1997, “Kinetics of Gas Phase Ozonation of Trichloroethylene”, Journal of Chemical Industry and Engineering, V48, N5, pp. 571-575.

7.  Kuo, C., Zappi, M., and Chen, S., 1997, “Factors Affecting Destruction Rates of Toluene and 2,4,6-Trinitrotoluene by the Peroxone Oxidation Process”, Environmental Applications of Advanced Oxidation Technologies, Proceedings of the Second International Symposium, Electric Power Research Institute, Palo Alto, CA. 

1. Hong, A., Zappi, M.E., Kuo, C.H., and Hill, D., O., 1996, "Modeling the Kinetics of Illuminated and Dark Advanced Oxidation Processes", ASCE Journal of Environmental Engineering, Vol. 122, No. 1, pp. 58-62.

2.  Zappi, M., Rogers, B., Teeter, C., Gunnison, D., and Bajpai, R., 1996, "Bioslurry Treatment of Wood Preserving Waste Contaminated Soils," Journal of Hazardous Materials, Volume 46, pp. 1 - 12.

3.  Taha, M., Soewarto, I., Acar, Y., Gale, R., and Zappi, M., 1996, “Solubilization of TNT in Surfactant Solutions”, Environmental Geotechnics, Kamon, M. (editor), A.A. Balkema Publishers, Rotterdam, Holland

4. Kuo, H., Zhong, L., and Zappi, M., 1996, "The Role of the Hydrogen Peroxide-Ozone Reactions in the Advanced Oxidation of Hazardous Pollutants", Emerging Technologies in Hazardous Waste Management VI, Tedder and Pohland, eds., American Academy of Environmental Engineers Publication, pp. 177 - 190. 

1.  Zappi, M., Ragan, F., Qasim, M., Myers, K., McCormick, and Cullinane, M.J., 1995, "Soil Treatment Using Photolytic Solvent Recycle," Proceedings from the ASCE Geoenvironmental 2000 Conference, February 1995, New Orleans, LA.

2.  Acar, Y. and Zappi, M., 1995, "Infrastructural Needs in Waste Containment and Environmental Restoration," ASCE Journal of Infrastructure, Volume 1, No. 2., pp. 82 - 91.

3. Zappi, M., Gunnison, D., and Fredrickson, H., 1995, "Aerobic Treatment of TNT Contaminated Soils Using Two Engineering Approaches," Bioremediation of Recalcitrant Organics, Hinchee, Hoeppel, and Anderson, eds., Battelle Press, Columbus, OH, pp. 281-287.

1. Zappi, M.E., Gunnison, D., and Teeter, C.L., 1994, "Bioslurry Treatment of a Petroleum Hydrocarbon Contaminated Soil," Recombinant Technology DNA II, Annuals of the New York Academy of Sciences, Volume 721, pp. 466-480.

2. Bajpai, R., Zappi, M.E., and Gunnison, D., 1994, "Additives for Establishment of Biologically Active Zones During Insitu Bioremediation," Recombinant Technology DNA II, Annuals of the New York Academy of Sciences, Volume 721, pp. 440-449.

1. Myers, T.M. and Zappi, M.E., 1992, "Laboratory Evaluation of Solidification/Stabilization Technology For Reducing the Mobility of Heavy Metals in New Bedford Harbor Sediments," Stabilization and Solidification of Hazardous, Radioactive, and Mixed Wastes, ASTM STP-1123, Gilliam and Wiles, Eds., pp. 304-319.

1. Cullinane, M.J., Shafer, R.A., and Zappi, M.E., 1985, Alternatives for Improving Wastewater Treatment Efficiency at Lake Mendocino, California, Environmental Laboratory, USAE Waterways Experiment Station, Vicksburg, MS.

2. Palermo, M.R. et al., 1989, Evaluation of Dredged Material Disposal Alternatives for the U.S. Navy Homeport at Everett, Washington, Technical Report EL-89-1, USAE Waterways Experiment Station, Vicksburg, MS.

3. Myers, T.E. and Zappi, M.E., 1987, Laboratory Investigation of Organic Contamination Immobilization by Proprietary Processing of Basin F Liquid, Rocky Mountain Arsenal, Denver, Colorado, Technical Report EL-87-11, USAE Waterways Experiment Station, Vicksburg, MS.

4. Thompson, D.W., Zappi, M.E., Dildine, J.H., and Francingues, N.R., 1988, Assessment of the Delisting Potential for Bottom Ash From Thermal Processing of Basin F Overburden Soils, Technical Report Rocky Mountain Arsenal, Commerce City, CO.

5. Myers, T.E. and Zappi, M.E., 1989, Laboratory Scale Application of Solidification/Stabilization Technology, Technical Report EL-88-15, USAE Waterways Experiment Station, Vicksburg, MS.

6. Thompson, D.W., Zappi, M.E., Dildine, J.H., Fleming, E.C., and Francingues, N.R., 1989, Volumes 1 and 2: CERCLA Wastewater Treatment System, U.S. Army Office of Program Manager, Rocky Mountain Arsenal, Commerce City, CO.

7. Zappi, M.E., Shafer, R.A., and Adrian, D.D., 1990, Compatibility of Ninth Avenue Superfund Site Groundwater With Two Soil-Bentonite Slurry Wall Backfill Mixtures, Technical Report EL-90-9, USAE Waterways Experiment Station, Vicksburg, MS.

8.  Zappi, M., Fleming, B., Cullinane, J., and Teeter, C., 1991, Treatability of Lang Superfund Site Groundwater – Mid-Term Progress Report, USAE Waterways Experiment Station, Vicksburg, MS.

9. Zappi, M.E., Teeter, C.L., and Francingues, N.R., 1991, Treatability of Ninth Avenue Groundwater, Technical Report EL-91-8, USAE Waterways Experiment Station, Vicksburg, MS.

10. Zappi, M.E., Gunnison, D., Pennington, J., Cullinane, M.J., Teeter, C.L., Brannon, J.M., and Myers, T.E., 1993, Technical Approach for Insitu Biotreatment Research: Bench-Scale Experiments, Technical Report IRRP-93-3, USAE Waterways Experiment Station, Vicksburg, MS.

11. Gunnison, D., Zappi, M.E., and Marcev, J.R., 1993, Rapid Development of Microbial Strains for Bioremediation of Military Soils and Dredged Materials Contaminated with Polycyclic Aromatic Hydrocarbons,  WES Technical Report No. EL-93-18, USAE Waterways Experiment Station, Vicksburg, MS.

12. Teeter, C., Zappi, M., Gunnison, D., Strang, D., Brooks, T., and Francingues, N., 1994, Evaluation of Operational Factors Contributing to Reduced Recharge Capacity of the North Boundary Treatment System, Rocky Mountain Arsenal, Commerce City, CO., Report No. EL-94-12, USAE Waterways Experiment Station, Vicksburg, MS.

13. Zappi, M., Morgan, R., Miller, T., and Qasim, M., 1994, Development of a Zero HeadSpace Aerobic, Suspended Growth Bioreactor, Report No. MP-EL-94-8, USAE Waterways Experiment Station, Vicksburg, MS.

14.  Zappi, M., Ragan, F., Guimbellot, D., Francingues, N., Harvey, S., Smith, J., Strang, D., Kaastrup, E., and Burrows, D., 1995, A Laboratory Evaluation of The Feasibility of Chemical Oxidation Processes For Treatment of Contaminated Groundwaters, Report No. MP-IRRP-95-1, USAE Waterways Experiment Station, Vicksburg, MS.

15.  Best, E., Zappi, M., Fredrickson, H., Sprecher, S., Larson, S., and Miller, J., 1997, Screening of Aquatic and Wetland Plant Species for Phytoremediation of Explosives-Contaminated Groundwater from the Iowa Army Ammunition Plant, Report No.TR-EL-97-2,  USAE Waterways Experiment Station, Vicksburg, MS.

16. Banerji, S., Zappi, M., Teeter, C., Gunnison, D., and Cullinane, J., 1995, Bioremediation of Soils Contaminated With Petroleum Hydrocarbons Using Bioslurry Reactors, Report No. IRRP-95-2, USAE Waterways Experiment Station, Vicksburg, MS.

17.  Zappi, M., Toro, E., Jones, R., Talley, J., and Data, M., 1997, Treatment of Low-Level Contaminated Landfill Leachate Using Advanced Oxidation Processes, Report No. IRRP-97-4, USAE Waterways Experiment Station, Vicksburg, MS.

18.  Fleming, B., Zappi, M., Miller, J., Hernandez, R., and Toro, E., 1997, Evaluation of Peroxone Oxidation Techniques for Removal of Explosives from Cornhusker Army Ammunition Plant Wastes, Technical Report Number SERDP-97-2, USAE Waterways Experiment Station, Vicksburg, MS.

19. Best, E., Sprecher, S., Fredrickson, H., Zappi, M., and Larson, S., 1997, Screening Submerged Plant Species for Phytoremediation of  Explosives-Contaminated Groundwater from Milan Army Ammunition Plant, Milan, Tennessee, Technical Report No. EL-97-24, USAE Waterways Experiment Station, Vicksburg, MS.

20.  Zappi, M., Hill, D., and Jones, K., 1998, Treatment of Tyson Rendering Plant Influents Using Various Anaerobic Lagoon Operational Strategies, MSU Environmental Technology Research and Applications (E-TECH) Laboratory Report No. ETECH-98-001, Dave C. Swalm School of Chemical Engineering, Mississippi State University.

21.  Zappi, M. Graves, K., Aycock, A., Subramani, A., and Tavai, S., 2000, Development of a Kenaf-Based Biosorptive Water Treatment Process, Mississippi Water Resources Research Institute Interim Report No. 1434-HQ-96-GR-02679-20, Mississippi State University.

22.  Zappi, M., Fleming, B., Swindle, R., Miller, T., Ragan, F., and Harvey, S., 1998, Pilot Scale Assessment of Peroxone Oxidation for Potential Treatment of Three Contaminated Groundwaters at Rocky Mountain Arsenal, Commerce City, CO, USAE Waterways Experiment Station Report No. SERDP-98-7, Vicksburg, MS.

23.  Fleming, B., Zappi, M., Toro, E., Myers, K., and Hernandez, R., 1997,  Laboratory Assessment of Advanced Oxidation Processes for Treatment of Explosives and Chlorinated Solvents in Groundwater from the Former Nebraska Ordnance Plant, Technical Report No. SERDP-97-3, USAE Waterways Experiment Station, Vicksburg, MS.

24.  Zappi, M. George, C., Jefcoat, A., Taconi, K., Benson, T., Xie, A., Brown, L., Alley, J., French, T., and Bajpai, R., 2001, An Assessment of Fermentation Related Issues at the Mississippi Ethanol Inc. Plant, Winona, Mississippi, MSU Report ETL-2001-01, Mississippi State University, MS.

25.  Best, E., Miller, J., Zappi, M., Fredrickson, H., Larson, S., and Streckfuss, T., 1998, Explosives Removal from Groundwater of the Iowa Army Ammunition Plant in Continuous Flow Laboratory Systems Planted with Aquatic and Wetland Plants, Technical Report No. EL-98-12, USAE Waterways Experiment Station, Vicksburg, MS.

26.  Zappi, M., Graves, K., Aycock, A., Subramani, A., Tavai, S., Ekanayake, G., 2001, Development of a Kenaf-Based Biosorptive Water Treatment Process, Mississippi Water Resources Research Institute Completion Report No. 1434-HQ-96-GR-02679-20, Mississippi State University.

27.  Jing, Y., Zappi, M., Albritton, G., Crawley, A., Singletary, J., Hall, N., and Karr, L., 2001, An Evaluation of Process Enhancements for the Bioremediation of Heavy Petroleum Hydrocarbon Contaminated Soil Using Biocell Technology, MSU Report No. ETL-2001-1, Dave C. Swalm School of Chemical Engineering, Mississippi State University, MS.

28.  Wang, W., Zappi, M., Albritton, G., Crawley, A., Singletary, J., Hall, N., and Karr, L., 2001, Using Chemical Priming as a Means of Enhancing The Performance of Biocells for Treating Products Containing Recalcitrant Chemical Species, MSU Report No. ETL-2001-2, Dave C. Swalm School of Chemical Engineering, Mississippi State University, MS.

29.  Francingues, N., Zappi, M., and Thompson, D., 2002, Review of Insitu and Exsitu Technologies for Treatment of Explosives Contaminated Soils and Sediments from the Dyno Nobel Munitions Plant, Norway, Final Report: OA Systems Inc., Amarillo, TX.

30.  Hernandez, R., Zappi, M., and Kuo, C.H., 2003, Integration of Zero-Valent Metals and Chemical Oxidation for the Destruction of 2,4,6-Trinitrotoluene Within Aqueous Matrices, E-TECH Final Report to US Army Research Office, Research Triangle Park, NC.

31.  Liu, F., Zappi, M., Kuo, C.K., and Hernandez, R., 2003, Integration of Chemical Oxidation and Biotreatment for Removal of TNT from Explosives Contaminated Soils, E-TECH Final Report to US Army Research Office, Research Triangle Park, NC.

32.  Zappi, M., Hernandez, R., Sparks, D., Horne, J., Brough, M., Arora, S., Motsenbocker, D., 2004, A Review of the Engineering Aspects of the Biodiesel Industry, MSU E-TECH Laboratory Report ET-03-003, Report Submitted to the Mississippi Biomass Council, Jackson, MS

33.  Zappi, M., et al., 2004, INTERIM REPORT: Activities of the Mississippi Research Consortium for the Utilization of Biomass, MSU Report to DOE.

34.  Adebiyi, G., Bridges, S., Bush, M., Claude, L., Nosser, M., Reese, D., Sarnowska, K., Seiler, E., Smyer, W., Stevenson, T., Vizzini, T., and Zappi, M., 2005, Charting a Course Towards Achieving Diversity by 2008, Bagley College of Engineering, Mississippi State University.

35. Zappi, M., French, T., and Arora, S., 2005, Assessing the Potential for Energy Generation from Concentrated Swine Raising Facilities within Mississippi, Report Prepared for the Mississippi Technology Alliance and Tennessee Valley Authority, contract to E-TECH Laboratory, Mississippi State University, MS.

36. Zappi, M, and Arora, S., 2006, Potential Uses of Effluent Streams Generated from the Anaerobic Digestion of Swine Production Facilities; USDA via Mississippi Technology Alliance, Jackson, MS.

37.  Zappi, M., 2008, Engineering Feasibility Study on the Aquatic Energy Algae Culturing Process, Report Provided to Aquatic Energy Investment Group

38.  Zappi, M. et al., 2009, FINAL REPORT:  Technical Results from the Mississippi Research University for the Utilization of Biomass, Submitted from UL through MSU to DOE EPSCoR Program.

39.  Zappi, M., Fortela, D., Revellame, E., Sharp, W., Gang, D., Hernandez, R., Trahan, J., and Picou-Mikolajczyk, A., and Dufreche, S.,  2013, Anaerobic Digestion Progress Report – Year 2012, Submitted to the Louiasana PSC via Cleco (Pineville, LA).

40.  Zappi, M., Fortela, D., Revellame, E., Sharp, W., Gang, D., Hernandez, R., Trahan, J., and Picou-Mikolajczyk, A., and Dufreche, S.,  2014, Anaerobic Digestion Progress Report – Year 2013, Submitted to the Louisiana PSC via Cleco (Pineville, LA).

41. Zappi, M., Fortela, D., Revellame, E., Sharp, W., Gang, D., Hernandez, R., Trahan, J., and Picou-Mikolajczyk, A., and Dufreche, S.,  2015, Anaerobic Digestion Progress Report – Year 2014, Submitted to the Louisiana PSC via Cleco (Pineville, LA).

42. Zappi, M., Fortela, D., Revellame, E., Sharp, W., Gang, D., Hernandez, R., Trahan, J., and Picou-Mikolajczyk, A., and Dufreche, S.,  2016, Anaerobic Digestion Progress Report – Year 2015, Submitted to the Louisiana PSC via Cleco (Pineville, LA).

43. Zappi, M., Fortela, D., Revellame, E., Sharp, W., Gang, D., Hernandez, R., Trahan, J., and Picou-Mikolajczyk, A., and Dufreche, S.,  2017, Anaerobic Digestion Progress Report – Year 2016, Submitted to the Louisiana PSC via Cleco (Pineville, LA).

44. Zappi, M., Fortela, D., Revellame, E., Sharp, W., Gang, D., Hernandez, R., Trahan, J., and Picou-Mikolajczyk, A., and Dufreche, S.,  2018, Anaerobic Digestion Progress Report – Year 2017, Submitted to the Louisiana PSC via Cleco (Pineville, LA).

45. . Zappi, M., Fortela, D., Revellame, E., Sharp, W., Gang, D., Hernandez, R., Trahan, J., and Picou-Mikolajczyk, A., and Dufreche, S., 2019, Anaerobic Digestion Progress Report – Year 2018, Submitted to the Louisiana PSC via Cleco (Pineville, LA).

46. Guznick, G., Zappi, M., Revellame, E., Fortela, D., Hernandez, R., Sharp, W., Chistoserdove, A., Holmes, W., Gang, D., and Holmes, S., 2019, NASA EPSCoR Annual Report - 2018, University of Louisiana at Lafayette. 

47. Zappi, M., Fortela, D., Revellame, E., Sharp, W., Gang, D., Hernandez, R., Trahan, J., and Picou-Mikolajczyk, A., and Dufreche, S.,  2020, Anaerobic Digestion Progress Report – Year 2019, Submitted to the Louisiana PSC via Cleco (Pineville, LA).

48. Guznick, G., Zappi, M., Revellame, E., Fortela, D., Hernandez, R., Sharp, W., Chistoserdove, A., Holmes, W., Gang, D., and Holmes, S., 2020, NASA EPSCoR Annual Report - 2019, University of Louisiana at Lafayette. 

49. Villa, J., Fortela, D., Sharp, W., Zappi, M., Holmes, S., Rebecca Willis, Torres, F.,  

Despain, K., and Hetler, S., 2022, Enhancing the Carbon Dioxide Sequestering Capacity

of Louisiana Highway Right of Way Lands, Project Final Report to Louisiana Department of Transportation and Development TIRE Program, Report No. FHWA/LA.17/22-3TIRE, LDOTD, Baton Rouge, LA.

50. Zappi, M., Boyd, E., Sharp, W., Zeringue, C., Fortela, D., Simon, G., and Holmes, S., 2023, An Assessment of Production Opportunities for Value-Added Co-Products from Selected Louisiana Seafood Processing Waste Sources, Report to the Department of Wildlife and Fisheries, UL Energy Institute of Louisiana, May 2023.

1. Bajpai, R. and Zappi, M., Editors, 1997, Bioremediation of Surface and Subsurface Contamination, Annuals of the New York Academy of Sciences, Volume 829.

2. Bajpai, R., Prokop, A., and Zappi, M. (eds.), 2013, Algal Biorefineries – Volume 1:  Cultivation of Cells and Products, Springer Publishers, New York, NY. 

3. Prokop, A., Bajpai, R., and Zappi, M. (eds.), 2015, Algal Biorefineries – Volume 2: Products and Refinery Design, Springer Publishers, New York, NY.   

1. Zappi, M., 1997, “Demise of In-House Engineering Expertise Within the Federal Government”, Journal of Environmental Engineering, ASCE, V123, N12.

1. Zappi, M., 2002, “Ethanol Makes Perfect Sense for Mississippi”, Guest Columnist for the Clarion Ledger Newspaper, Jackson, MS, August 12, 2002 Issue.

2. Zappi, M., 2007, “A Peek into the New Industrial Revolution – Bioprocessing”, Guest Columnist for the Daily Advertiser, Lafayette, LA, November 23, 2007 Issue.

1. Zappi, M., 2004, Published Testimony before the Full Senate Committee on Agriculture, Nutrition, and Forestry, 180th Congress, Senate Hearing on Biomass Use in Energy Production:  New Opportunities in Agriculture, Hart Senate Building, Washington DC, May 6th, 2004, Library of Congress, Washington DC.

2. Zappi, M., 2014, Published Testimony before the Quadrennial Energy Review on Energy Infrastructure Needs for the US Special Hearing (Jointly hosted by the DOE and US Senate Energy & Natural Resources Committee); Tulane University, New Orleans, LA; May 27th, 2014.

1. Foaming Monitor for Bioslurry Reactors - Granted July 1999 - Number 5,922,112 – Role:  Co-Inventor (zappi); Patent Holder:  US Army Corps of Engineers.

2. Bast Medium Biological Reactor Treatment System for Remediation and Odor Suppression of Organic Waste Streams - Granted August 20, 2002 - Number 6,436,288 – Role:  Co-Inventor (Zappi); Patent Holder: Mississippi State University.

3. Production of Lipids, Biodiesel, and Other Value-Added Chemicals from Wastewater Treatment Plant Sludges – Granted December 29, 2009; Number 7,638,314 – Role:  Lead Inventor (Zappi); Patent Holder: Mississippi State University

4. Biorefinery Method and System for Isolated Environments; Granted March 16, 2021; Number 10947144; Role – Lead Inventor (Zappi); Patent Holder: UL.

5. Enhanced Activated Sludge as Drilling Mud Additive; Granted December 10, 2019; Number 10501674; Inventors – Drs. Rafael Hernandez and Mark Zappi and Mr. Gopi Tripuraneni; Patent Holder is UL.

6. Method of Manufacturing an Adsorbent and Resulting Composition of Matter, Granted January 17, 2023, USPO Number 11-554-360 B2; Inventors, Dr. Daniel Gang, Mr. Qiyu Lian, and Dr. Mark E. Zappi; Patent Holder is UL. 

7. Production of Adhesives and Other Glue-Like Materials from Unextracted Sewage Treatment Plant Sludges, Animal Manures, and Animal Manure-Based Sludges, and Bacterial and Fungal Cells and Cell Components as Derived from Culturing Operations; Granted: February 6, 2024; USPO No. 11,891,547; Inventors: Chirdon, Zappi, Hernandez, and Trahan; Patent Holder: UL.

8. Amorphous Cobalt-Inherent Silicon Oxide Catalyst; Granted: January 20, 2024; USPO No. 11,884,564 B2; Inventors: Gang, Lian, Zappi, and Holmes; Patent Holder: UL.

9. Method of manufacturing an adsorbent and resulting composition of matter; US Patent number: 11554360; Filed: July 30, 2019; Date of Patent: January 17, 2023. Assignee: University of Louisiana at Lafayette; Inventors: Daniel Dianchen Gang, Qiyu Lian, Mark Zappi.

10. Rack for treatment of respiratory masks; Patent number: 12194188; Filed: April 1, 2021; Date of Patent: January 14, 2025; Assignee: University of Louisiana at Lafayette. Inventors: Mark E. Zappi, William Holmes, Andrei Chistoserdov, Wayne Sharp, Alex Zappi, Rafael Hernandez, William Chirdon, Don Begneaud, Thomas Broussard