Publications and Invited Talks

Journals:

• Basri, S., Shee, D., Panda, T.K., Bhattacharyya, D. (2025). Waste to materials: Preparation and characterization of nanocomposite films using extracellular polymeric substances derived from centrifuged sewage sludge. Journal of Environmental Chemical Engineering, 13. https://doi.org/10.1016/j.jece.2025.118634

• Vanniappan, G., Naebe, M., Haque, A. N. M. A., Panda, T. K., & Bhattacharyya, D. (2025). Recent progress in lignin recovery and functionalization: Toward sustainable material application. Sustainable Materials and Technologies, 45. https://doi.org/10.1016/j.susmat.2025.e01554

• Basri, S., Oruganti, R.K., Panda, T.K., Bhattacharyya, D. (2025). Beyond conventional approaches: Sustainable valorization of sewage sludge - challenges and opportunities. Sustainable Materials and Technologies, 45. https://doi.org/10.1016/j.susmat.2025.e01496

• Vanniappan, G., Sunar, S. L., Naebe, M., Haque, A. N. M. A., Panda, T. K., & Bhattacharyya, D. (2025). Pretreatment of castor de-oiled cake biomass for lignin extraction using a unique deep eutectic solvent with a process optimized by response surface methodology. Biomass and Bioenergy, 199. https://doi.org/10.1016/J.BIOMBIOE.2025.107887

• Bhattacharyya, D., Sriariyanun, M., Tawai, A. (2025). Sustainable Development: Toward Net Zero and Carbon Neutrality. Applied Science and Engineering Progress. https://doi.org/10.14416/j.asep.2025.01.005

• Sunar, S. L., Kumara, M. K., Oruganti, R. K., Khadka, K. K., Panda, T. K., & Bhattacharyya, D. (2025). Pretreatment and anaerobic co-digestion of lignocellulosic biomass: Recent developments. Bioresource Technology Reports, 30. https://doi.org/10.1016/j.biteb.2025.102133

• Sunar, S.L., Bhattacharyya, D., Shee, D., Panda, T.K. (2025). Efficient fractionation of sugarcane bagasse to bio-based building blocks using a tailored deep eutectic solvent and process optimization. Waste and Biomass Valorization. https://doi.org/10.1007/s12649-025-03019-3

• Gundupalli, M.P., Bano, K., Panda, T.K., Sriariyanun, M., Bhattacharyya, D. (2024). Understanding the effect of low-concentrated protic ionic liquids (PILs) on coconut (Cocos nucifera) residues. Biomass Conversion and Biorefinery, 14, 3275–3291. https://doi.org/10.1007/s13399-022-02572-4

• Kumara, M.K., Oruganti, R.K., Tejavath, R., Sriariyanun, M., Tawai, A., Bhattacharyya, D. (2024). The potential application of diatom-aided constructed floating wetlands for domestic wastewater treatment. Journal of Applied Science and Engineering Progress (j.asep). https://doi.org/10.14416/j.asep.2024.12.004

• Oruganti, R.K., Bandyopadhyay, S., Panda, T.K., Shee, D., Bhattacharyya, D. (2024). Synthesis of algal–bacterial sludge activated carbon/Fe3O4 nanocomposite and its potential in antibiotic ciprofloxacin removal by simultaneous adsorption and heterogeneous Fenton catalytic degradation. Environmental Science and Pollution Research, 31, 67594–67612. https://doi.org/10.1007/s11356-024-34830-5

• Oruganti, R.K., Bhattacharyya, D. (2024). Start-up phase performance evaluation of a pilot-scale sequential anaerobic-aerobic hybrid algal-bacterial suspended growth reactor for the domestic wastewater treatment. Bioresource Technology Reports, 28, 101972. https://doi.org/10.1016/j.biteb.2024.101972

• Raheem, I., Tawai, A., Amornraksa, S., Sriariyanun, M., Joshi, A., Gupta, M., Pongprayoon, W., Bhattacharyya, D., Maity, S.K. (2024). A comprehensive review of approaches in carbon capture, and utilization to reduce greenhouse gases. Journal of Applied Science and Engineering Progress (j.asep). https://doi.org/10.14416/j.asep.2024.11.004

• Sunar, S.L., Oruganti, R.K., Bhattacharyya, D., Shee, D., Panda, T.K. (2024). Deep eutectic solvent pretreatment of sugarcane bagasse for efficient lignin recovery and enhanced enzymatic hydrolysis. Journal of Industrial and Engineering Chemistry, Elsevier, DOI: 10.1016/j.jiec.2024.05.030

• Sunar, S.L., Bhattacharyya, D., Vanniappan, G., Panda, T.K. (2024). Green approach on pretreatment of rice straw using deep eutectic solvent for lignin recovery and efficient hydrolysis. Biomass Conversion and Biorefinery, Springer, DOI:  10.1007/s13399-024-05634-x

• Sunar, S.L., Oruganti, R.K., Bhattacharyya, D., Shee, D., Panda, T.K. (2024). Pretreatment of sugarcane bagasse using ionic liquid for enhanced enzymatic saccharification and lignin recovery: process optimization by response surface methodology. Cellulose, Springer, 31(4), pp. 2151-2173, DOI: 10.1007/s10570-024-05768-1

• Oruganti, R.K., Gungupalli, M.P., Bhattacharyya, D. (2024). Alkaline hydrolysis for yield of glucose and kraft lignin from de-oiled Jatropha curcas waste: multiresponse optimization using response surface methodology. Biomass Conversion and Biorefinery. Springer, 14(10), pp. 11093-11111. DOI: 10.1007/s13399-022-03204-7

• Gundupalli, M.P., Bano, K., Panda, T.K., Sriariyanun, M., Bhattacharyya, D. (2024). Understanding the effect of low-concentrated protic ionic liquids (PILs) on coconut (Cocos nucifera) residues. Biomass Conversion and Biorefinery, Springer, 14(3), pp. 3275-3291. DOI: 10.1007/s13399-022-02572-4

• Jose D, Tawai A, Divakaran D, Bhattacharyya D, Venkatachalam P, Tantayotai P, Sriariyanun M. (2023). Integration of deep eutectic solvent in biorefining process of lignocellulosic biomass valorization. Bioresource Technology Reports, Elsevier, 21. DOI: 10.1016/j.biteb.2023.101365.

• Gundupalli, M. P., Tantayotai, P., Chuetor, S., Cheenkachorn, K., Joshi, S., Bhattacharyya, D., & Sriariyanun, M. (2023). Improvement of Water Hyacinth Bioconversion by Different Organic and Mineral Acid Pretreatment and the Effect of Post-pretreatment Washing. Bioenergy Research, 16(3), 1718–1732. https://doi.org/10.1007/S12155-022-10528-9

• Oruganti, R. K., Pal, D., Panda, T. K., Shee, D., & Bhattacharyya, D. (2023). Green synthesis of calcium oxide nanoparticles impregnated activated carbon from algal–bacterial activated sludge: its application in ciprofloxacin removal. International Journal of Environmental Science and Technology, 20(11), 12379–12396. https://doi.org/10.1007/S13762-022-04662-2

• Oruganti, R. K., Sunar, S. L., Panda, T. K., Shee, D., & Bhattacharyya, D. (2023). Kraft lignin recovery from de-oiled Jatropha curcas seed by potassium hydroxide pretreatment and optimization using response surface methodology. Bioresource Technology Reports, 23. https://doi.org/10.1016/J.BITEB.2023.101572

• Paulraj Gundupalli, M., & Bhattacharyya, D. (2023). Effect of different mineral acids on coconut coir for recovery of reducing Sugar: Process optimization using response surface Methodology (RSM). Materials Today: Proceedings, 80, 2260–2267. https://doi.org/10.1016/J.MATPR.2021.06.225

• Oruganti, R.K, Biji AP, Lanuyanger T, Show PL, Sriariyanun M, Upadhyayula VKK, Gadhamshetty V, Bhattacharyya D. (2023). Artificial intelligence and machine learning tools for high-performance microalgal wastewater treatment and algal biorefinery: A critical review. Science of the Total Environment, Elsevier, 876. DOI: 10.1016/j.scitotenv.2023.162797.

• Bhattacharyya, D., and Sriariyanun, M., (2022). Poly- and Per-fluoroalkyl Substances (PFAS) in Water Environment. Applied Science and Engineering Progress. DOI: 10.14416/j.asep.2021.08.001.

• Shanmugam, K., Gadhamshetty, V., Tysklind, M., Bhattacharyya, D., and Upadhyayula, V.K.K. (2022). A sustainable performance assessment framework for circular management of municipal wastewater treatment plants. Journal of Cleaner Production, Elsevier, 339,130657. DOI: 10.1016/j.jclepro.2022.130657

• Oruganti, R.K., Pal, D., Panda, T.K., Shee, D., and Bhattacharyya, D. (2022). Green synthesis of calcium oxide nanoparticles impregnated activated carbon from algal–bacterial activated sludge: its application in ciprofloxacin removal. International Journal of Environmental Science and Technology. Springer. DOI: 10.1007/s13762-022-04662-2.

• Oruganti, R. K., Katam, K., Show, P. L., Gadhamshetty, V., Upadhyayula, V. K. K., and Bhattacharyya, D. (2022). A comprehensive review on the use of algal-bacterial systems for wastewater treatment with emphasis on nutrient and micropollutant removal. Bioengineered, Taylor & Francis, 13(4), 10412-10453. DOI: 10.1080/21655979.2022.2056823.

• Gundupalli, M.P., Bano, K., Panda, T.K., Sriariyanun, M., and Bhattacharyya, D. (2022). Understanding the effect of low-concentrated protic ionic liquids (PILs) on coconut (Cocos nucifera) residues. Biomass Conversion and Biorefinery, Springer. DOI: 10.1007/s13399-022- 02572-4.

• Gundupalli, M.P., Tantayotai, P., Chuetor, S., Cheenkachorn, K., Joshi, S., Bhattacharyya, D., and Sriariyanun, M. (2022). Improvement of Water Hyacinth Bioconversion by Different Organic and Mineral Acid Pretreatment and the Effect of Post-pretreatment Washing. BioEnergy Research. Springer. DOI: 10.1007/s12155-022-10528-9.

• Oruganti, R.K., Gundupalli, M.P. and Bhattacharyya, D. (2022). Alkaline hydrolysis for yield of glucose and kraft lignin from de-oiled Jatropha curcas waste: multiresponse optimization using response surface methodology. Biomass Conversion and Biorefinery. Springer. DOI: 10.1007/s13399-022-03204-7.

• Gundupalli M.P., Kajiura H, Ishimizu T., and Bhattacharyya D. (2022). Alkaline hydrolysis of coconut pith: process optimization, enzymatic saccharification, and nitrobenzene oxidation of Kraft lignin. Biomass Conversion and Biorefinery. Springer, 12(7), 2349-67 DOI: 10.1007/s13399-020-00890-z.

• Tantayotai, P., Gundupalli, M.P., Panakkal, Sriariyanun, M., Rattanaporn, K., and Bhattacharyya, D.  (2022). Differential Influence of Imidazolium Ionic Liquid on Cellulase Kinetics in Saccharification of Cellulose and Lignocellulosic Biomass Substrate. Applied Science and Engineering Progress. DOI: 10.14416/j.asep.2021.11.003.

• Paulraj Gundupalli, M., Cheng, Y.-S., Chuetor, S., Bhattacharyya, D., and Sriariyanun, M. (2021). Effect of dewaxing on saccharification and ethanol production from different lignocellulosic biomass. Bioresource Technology, Elsevier, 339, 125596. DOI: 10.1016/j.biortech.2021.125596.

• Gundupalli, M.P., and Bhattacharyya, D. (2021). Hydrothermal liquefaction of residues of Cocos nucifera (coir and pith) using subcritical water: Process optimization and product characterization. Energy, Elsevier, 236, 121466. DOI: 10.1016/j.energy.2021.121466.

• Akula, L.K., Oruganti, R.K., Bhattacharyya, D., and Kurilla, K.K. (2021). Treatment of marigold flower processing wastewater using a sequential biological-electrochemical process. Applied Science and Engineering Progress, KMUTNB, 14(3), 525-542. DOI: 10.14416/j.asep.2021.04.001.

• Akula, L.K., Gaddam, V.B., Damaraju, M., Bhattacharyya, D., Kurilla, K.K. (2021). Domestic wastewater treatment in a coupled sequential batch reactor-electrochemical reactor process. Water Environment Research, Water Environment Federation, 93(6), 953-967. DOI: 10.1002/wer.1488.

• Katam, K., Bhattacharyya, D., Soda, S., and Shimizu, T. (2021). Effect of hydraulic retention time on the performance of trickling photo-bioreactor treating domestic wastewater: Removal of carbon, nutrients, and micropollutants. Journal of Industrial and Engineering Chemistry, Elsevier, 102, 351–362. DOI: 10.1016/j.jiec.2021.07.022.

• Katam, K., Tiwari, Y., Shimizu, T., Soda, S., & Bhattacharyya, D. (2021). Start‐up of a Trickling Photo‐bioreactor for the Treatment of Domestic Wastewater. Water Environment Research, Water Environment Federation, 93, 1690–1699. DOI: 10.1002/wer.1554.

• Katam, K., and Bhattacharyya, D. (2021). Improving the performance of activated sludge process with integrated algal biofilm for domestic wastewater treatment: System behavior during the start-up phase. Bioresource Technology Reports, Elsevier, 13, 100618. DOI: 10.1016/j.biteb.2020.100618.

• Damaraju, M., Gupta, V.K., Bhattacharyya, D., Panda, T.K., and Kurilla, K.K. (2021). Improving the performance of a continuous bipolar-mode electrocoagulation (CBME) system, treating a marigold flower processing wastewater, through process modifications. Separation Science and Technology, Taylor & Francis, 56(3), 604-616 DOI: 10.1080/01496395.2020.1725572.

• Katam K. and Bhattacharyya D. (2020). Effect of solids retention time on the performance of algae-activated sludge association in municipal wastewater treatment and biofuel production. Journal of Applied Phycology, Springer, 32, 1803–1812. DOI: 10.1007/s10811- 020-02076-6.

• Pandey, A., Katam, K., Joseph, P., Soda S., Shimizu, T., and Bhattacharyya D. (2020). Micropollutant Removal from Laundry Wastewater in Algal-Activated Sludge Systems: Microbial Studies. Water Air Soil Pollution, Springer, 231, 374. DOI: 10.1007/s11270-020-04749-x.

• Katam K., Shimizu T., Soda S., Shimizu T., and Bhattacharyya D. (2020). Performance evaluation of two trickling filters removing LAS and Caffeine from wastewater: Light reactor (Algal-bacterial consortium) vs Dark reactor (bacterial consortium). Science of the Total Environment, Elsevier, 707, 135987. DOI: 10.1016/j.scitotenv.2019.135987.

• Damaraju, M., Bhattacharyya, D., Panda, T.K. and Kurilla, K.K. (2020). Marigold wastewater treatment in a lab-scale and a field-scale continuous bipolar-mode electrocoagulation system. Journal of Cleaner Production, Elsevier, 245, 118693. DOI: 10.1016/j.jclepro.2019.118693.

• Damaraju, M., Bhattacharyya, D., Panda, T.K. and Kurilla, K.K. (2020). Downstream Processing of Palm Oil Mill Effluent in a CBME Reactor. Journal of Hazardous, Toxic, and Radioactive Waste, ASCE, 24(1), 04019040. DOI: 10.1061/(ASCE)HZ.2153- 5515.0000484.

• Gundupalli, M. P., and Bhattacharyya, D. (2019). Sequential acid hydrolysis and enzymatic saccharification of coconut coir for recovering reducing sugar: Process evaluation and optimization. Bioresource Technology Reports. Elsevier, 6, 70-80. DOI: 10.1016/j.biteb.2019.01.015.

• Gundupalli, M. P., and Bhattacharyya, D. (2019). Ethanol production from acid pretreated food waste hydrolysate using Saccharomyces cerevisiae 74D694 and optimizing the process using response surface methodology. Waste and Biomass Valorization, Springer, vol. 10(3), 701-708. DOI: 10.1007/s12649-017-0077-9.

• Damaraju, M., Muraki, R., Bhattacharyya, D., Panda, T. K., and Kurilla, K. K. (2019). Treatment of a Distillery Wastewater in a Bipolar-mode Electrocoagulation system: Performance Evaluation and Kinetic Analysis. International Journal of Civil Engineering, Springer, 17, 1643-1652. DOI: 10.1007/s40999-019-00448-9.

• Damaraju, M., Yoshihara, H., Bhattacharyya, D., Panda, T. K., and Kurilla, K. K.(2019). Phosphorous Recovery from the Sludge Generated from a Continuous Bipolar Mode Electrocoagulation (CBME) System. Water Science and Technology, IWA, 79(7), 1348-1356.  DOI: 10.2166/wst.2019.131.

• Katam K., Shimizu T., Bhattacharyya D., and Soda S. (2019). Nutrient, Linear Alkyl Benzene Sulfonate, and Caffeine Removal from Synthetic Wastewater with an Algal-bacterial Culture and an Activated Sludge Culture in Batch Mode. Japanese Journal of Water Treatment Biology, Japanese Society of Water Treatment Biology, 55(4), 79-87. DOI: 10.2521/jswtb.55.79

• Katam K., and Bhattacharyya D. (2019). Simultaneous treatment of domestic wastewater and bio-lipid synthesis using immobilized and suspended cultures of microalgae and activated sludge. Journal of Industrial and Engineering Chemistry, Elsevier, 69, 295-303. DOI: 10.1016/j.jiec.2018.09.031.

• Katam K., and Bhattacharyya D. (2018). Comparative study on treatment of kitchen wastewater using a mixed microalgal culture and an aerobic bacterial culture: kinetic evaluation and FAME analysis. Environmental Science and Pollution Research, Springer, 25(21), 20732-20742. DOI: 10.1007/s11356-018-2209-6.

• Babu A., Katam K., Gundupalli M.P., and Bhattacharyya D. (2018). Nutrient Removal from Wastewater using Microalgae: A Kinetic Evaluation and Lipid Analysis. Water Environment Research, WEF, 90(6), 520-529. DOI: 10.2175/106143017X15054988926299.

• Katam K., and Bhattacharyya D. (2018). Biodegradation of Commercial Laundry and Dishwashing Detergents under Aerobic and Anaerobic Conditions: A Kinetic Evaluation. Journal of Hazardous, Toxic, and Radioactive Waste, ASCE, 22(1), 04017023. DOI: 10.1061/(ASCE)HZ.2153-5515.0000377.

• Katam K., Maetani K., Shimizu T., Nakajima J., and Bhattacharyya D. (2018). Study of Aerobic Biodegradation of Surfactants and Fluorescent Whitening Agents in Detergents of a Few Selected Asian Countries (India, Indonesia, Japan, and Thailand). Journal of Water and Environment Technology, Japan Society on Water and Environment, 16(1), 18-29. DOI: 10.2965/jwet.17-007.

• Gundupalli, M. P., Senthilkumar, N., and Bhattacharyya, D. (2018). Process Optimization for Recovery of Reducing Sugar from Coconut Pith Using Sequential Hydrothermal Pretreatment and Enzymatic Saccharification. International Journal of Chemical Engineering and Applications, 9(6), 94-199. DOI: 10.18178/ijcea.2018.9.6.726.

• Katam K., and Bhattacharyya D. (2017). Biodegradation of Laundry Wastewater Under Aerobic and Anaerobic Conditions: A Kinetic Evaluation. Water Environment Research, WEF, 89(12), 2071-2077. DOI: 10.2175/106143017X14902968254638.

• Damaraju M., Bhattacharyya D., and Kurilla K.K. (2017). Removal of Recalcitrant Carbon from an Industrial Wastewater Using Electrocoagulation. International Journal of Civil Engineering, Springer, 15(4), 697-703. DOI: 10.1007/s40999-017-0187-6.

• Bhattacharyya D., Allison M., Webb Z., Zanatta G., Singh K.S., and Grant S. (2013). Treatment of an Industrial Wastewater Containing Acrylic Acid and Formaldehyde in an Anaerobic Membrane Bio-reactor. Journal of Hazardous, Toxic, and Radioactive Waste, ASCE, vol. 17, no. 1, 74-79. DOI: 10.1061/(ASCE)HZ.2153-5515.0000148.

• Bhattacharyya D., and Singh K.S. (2011). Colour removal and the effect of reactive dyes on acid producing anaerobic microorganisms. Water Quality Research Journal of Canada, 46(3), 211-218. DOI: 10.2166/wqrjc.2011.013.

• Bhattacharyya D., and Singh K.S. (2011). Morphology of the bacterial granules developed in an up-flow anaerobic acid reactor. Environmental Technology, Taylor & Francis, 32(13), 1435-1442. DOI: 10.1080/09593330.2010.538931.

• Bhattacharyya D., and Singh K.S. (2010). Textile dye removal in single-phase and two-phase anaerobic bio-treatment systems. Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management, ASCE, 14(4), 250-257. DOI: 10.2166/wst.2008.061.

• Bhattacharyya D., and Singh K.S. (2010). Colour removal and the effect of reactive dyes on growth substrate utilization by an unacclimated ethanol-enriched anaerobic culture. Water Quality Research Journal of Canada, 45(3), 307-315. DOI: 10.2166/wqrj.2010.033.

• Bhattacharyya D., and Singh K.S. (2010). Understanding the Mixing Pattern in an Anaerobic Expanded Granular Sludge Bed Reactor: Effect of Liquid Recirculation. Journal of Environmental Engineering, ASCE, 136(6), 576-584. DOI: 10.1061/(ASCE)EE.1943-7870.0000187.

• Bhattacharyya D., Harmita H., Singh K.S., and Wilson B.G. (2009). Fluidization is an Anaerobic Expanded Granular Sludge Bed (EGSB) Reactor: Analysis of Primary Wakes and Modeling of Sludge Blanket. Journal of Environmental Engineering, ASCE, 135(8), 700-707.

• Bhattacharyya D, and Singh K.S. (2008). Treatment of textile dyes in two-phase and single-phase anaerobic bio-treatment systems. Water Science and Technology, IWA, 57(6), 863-868. DOI: 10.2166/wst.2008.061.

• Singh K.S., LeBlanc M.M., and Bhattacharyya, D. (2008). Polishing of Pretreated Dye Wastewater Using Novel Sequencing Batch Reactors. Water Science and Technology, IWA, 58(2), 407-411. DOI: 10.2166/wst.2008.416.

• Singh K.S., Viraraghavan T., and Bhattacharyya, D. (2006). Sludge blanket height and flow pattern in UASB reactors: Temperature effects. Journal of Environmental Engineering, ASCE, 132(8), 895-900. DOI: 10.1061/(ASCE)0733-9372(2006)132:8(895).

Conferences Proceedings:

• KS, Golakoti., S, Maloth., MK, Kumara., MK Sabavath., S, Areeya., D. Bhattacharyya,, and K, Katam. (2023), "Pharmaceuticals and Agro-Chemicals in Groundwater of Hyderabad, India".  E3S Web of Conferences 428, 02016, DOI: https://doi.org/10.1051/e3sconf/202342802016

• Oruganti, R. K., Kumara, M. K., Tejavath, R., Sriariyanun, M., & Bhattacharyya, D. (2023). Spirulina Cultivation Using Biogas CO2 as the Carbon Source: Preliminary Study on Biomass Growth and Productivity. In E3S Web of Conferences (Vol. 428, p. 01005). EDP Sciences. https://doi.org/10.1051/e3sconf/202342801005

• SK, Duddupudi., SV, Penmetsa., MK, Kumara., NSR, Vasili., D, Bhattacharyya., and K, Katam. (2023). "Non-Target Screening Of Organic Micropollutants In Durgam Cheruvu Lake, India".  Proceedings of the 9th World Congress on New Technologies (NewTech'23), Paper No. ICEPR147 , DOI: 10.11159/icepr23.147

• Katam, K., Ananthula, R., Anumala, S., Sriariyanun, M., Bhattacharyya, D. (2022). The impact of light intensity and wavelength on the performance of algal-bacterial culture treating domestic wastewater. In. Research, Invention, and Innovation Congress, Bangkok.  E3S web of conferences, vol. 355, article no. 02003. DOI: 10.1051/e3sconf/202235502003

• Paulraj, M.G., Sriariyanun, M., Bhattacharyya, D. (2022). Dilute inorganic acid pretreatment of mixed residues of Cocos nucifera (coconut) for recovery of reducing sugar: Optimization studies. In. Research, Invention, and Innovation Congress, Bangkok.  E3S web of conferences, vol. 355, article no. 01004. DOI: 10.1051/e3sconf/202235501004

• Damaraju, M., Bhattacharyya, D., Panda, T. K., & Kurilla, K. K. (2019). Application of a Continuous Bipolar Mode Electrocoagulation (CBME) system for polishing distillery wastewater. In. International Conference on Green Energy and Environment Engineering (CGEEE 2018), Kitahiroshima. E3S web of conferences, vol. 93, article no. 02005. DOI: 10.1051/e3sconf/20199302005

• Gundupalli, M. P., Senthilkumar, N., & Bhattacharyya, D. (2018). RSM Based Modelling for Mineral and Organic Acid Pretreatment of Coconut Pith using High Pressure Batch Reactor (HPBR). In. 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA 2018), 1126-1134. DOI: 10.1109/ICRERA.2018.8567025

• Modi P, Katam K., and Bhattacharyya D. (2017). Aerobic Biological Treatment of Pesticide Industry Effluent: A Kinetic Evaluation. In. ASCE INDIA CONFERENCE 2017 - URBANIZATION CHALLENGES IN EMERGING ECONOMIES Moving Towards Resilient Sustainable Cities and Infrastructure, New Delhi, Dec 13-14. pp. 1-10. ISBN: 978-078448202-5

• Damaraju D., Bhattacharyya D., Panda T.K., and Kurilla K.K. (2017). Enhancement of the performance of a Continuous Bipolar-mode Electrocoagulation (CBME) system treating palm oil mill effluent through modification of process parameters and reactor configuration. In. ASCE INDIA CONFERENCE 2017 - URBANIZATION CHALLENGES IN EMERGING ECONOMIES Moving Towards Resilient Sustainable Cities and Infrastructure, New Delhi, Dec 13-14. pp. 122-129. ISBN: 978-078448202-5

• Gundupalli M.P., Sharma P., and Bhattacharyya D. (2017). Hydrothermal Pretreatment of Tender Coconut Coir and Optimization of Process Parameters Using Response Surface Methodology. In. ASCE INDIA CONFERENCE 2017 - URBANIZATION CHALLENGES IN EMERGING ECONOMIES Moving Towards Resilient Sustainable Cities and Infrastructure, New Delhi, Dec 13-14. pp. 178-188. ISBN: 978-078448202-5

• Katam K., Gundupalli M.P., and Bhattacharyya D. (2017). Production of biofuel from a kitchen wastewater by using a mixed culture of diatoms: Treatment, kinetic evaluation, and lipid analysis. In. ASCE INDIA CONFERENCE 2017 - URBANIZATION CHALLENGES IN EMERGING ECONOMIES Moving Towards Resilient Sustainable Cities and Infrastructure, New Delhi, Dec 13-14. pp. 278-287. ISBN: 978-078448202-5

• Gundupalli M.P., and Bhattacharyya D. (2016). Recovery of Reducing Sugar from Food Waste: Optimization of Pretreatment Parameters Using Response Surface Methodology. In. Biofuels and Bioenergy (BICE2016), Bhopal, Feb 23-25, pp. 161-172. DOI: 10.1007/978-3-319-47257-7

• Allison M., Singh K., Bhattacharyya D., Webb J., and Grant S. (2011). Treatment of acrylic acid production wastewater using an anaerobic membrane bioreactor. Annual Conference – Canadian Society for Civil Engineering, Ottawa, June 14-17, 2011, p 251-257

Book Chapters:

• Kumara, M. K., & Bhattacharyya, D. (2022). Per- and poly-fluoroalkyl substances (PFASs) in drinking water and related health effects. In Current Developments in Biotechnology and Bioengineering: Sustainable Treatment Technologies for Per- and Poly-fluoroalkyl Substances. https://doi.org/10.1016/B978-0-323-99906-9.00016-4 

• Katam, K., & Bhattacharyya, D. (2022). Occurrence, fate, and persistence of per- and poly-fluoroalkyl substances (PFASs) in drinking water treatment systems. In Current Developments in Biotechnology and Bioengineering: Sustainable Treatment Technologies for Per- and Poly-fluoroalkyl Substances. https://doi.org/10.1016/B978-0-323-99906-9.00014-0

• Gundupalli MP, Gundupalli SP, Somavarapu Thomas AS, Jayakumar M, Bhattacharyya D, Gurunathan B. (2022). Hydrothermal liquefaction of lignocellulosic biomass for production of biooil and by-products: Current state of the art and challenges. In: Biofuels and bioenergy: Opportunities and challenges. Elsevier, p 61-84. DOI: 10.1016/B978-0-323-85269-2.00001-0

• Modi P., Katam K., and Bhattacharyya D. (2018). Aerobic Biological Treatment of Pesticide Industry Effluent: A Kinetic Evaluation. Urbanization Challenges in Emerging Economies: Energy and Water Infrastructure; Transportation Infrastructure; and Planning and Financing, 1-10. DOI: https://doi.org/10.1061/9780784482025.001

• Damaraju, M., Bhattacharyya, D., Panda, T. K., and Kurilla, K. K. (2018), Enhancement of the Performance of a Continuous Bipolar-Mode Electrocoagulation (CBME) System Treating Palm Oil Mill Effluent through Modification of the Process Parameters and Reactor Configuration. Urbanization Challenges in Emerging Economies: Energy and Water Infrastructure; Transportation Infrastructure; and Planning and Financing, 122-129. ASCE. DOI: https://doi.org/10.1061/9780784482025.013

• Gundupalli M. P., Parth S., and Bhattacharyya D. (2018). Hydrothermal Pretreatment of Tender Coconut Coir and Optimization of Process Parameters Using Response Surface Methodology. Urbanization Challenges in Emerging Economies: Energy and Water Infrastructure; Transportation Infrastructure; and Planning and Financing, 178-188. ASCE. DOI: https://doi.org/10.1061/9780784482025.019

• Katam K., Gundupalli M. P., and Bhattacharyya D. (2018). Production of biofuel from a kitchen wastewater by using a mixed culture of diatoms: Treatment, kinetic evaluation, and lipid analysis. Urbanization Challenges in Emerging Economies: Energy and Water Infrastructure; Transportation Infrastructure; and Planning and Financing, 278-287. ASCE. DOI: https://doi.org/10.1061/9780784482025.029

• Gundupalli, M. P., and Bhattacharyya, D. (2017). Recovery of reducing sugar from food waste: Optimization of pretreatment parameters using response surface methodology. In Biofuels and Bioenergy (BICE2016), 161-172. Springer. DOI: https://doi.org/10.1007/978-3-319-47257-7_15

• Gundupalli M. P., Katam K., and Bhattacharyya D. (2017). Treatment of Sugarmill Effluent and Simultaneous Production of Ethanol: Effect of pH and Quantity of Seed Sludge. International Conference on Biotechnology & Bioengineering – Trends. Chapter 37. ISBN 978 –93 –85518 –10-2

Conferences Presentations:

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Conferences/Workshops Organized:

• Served as a technical program co-chair of an ASCE-EWRI conference on International Perspectives in Water and Environment (IPWE) - Building Sustainable and Resilient Water Infrastructure and Adapting to Climate Change, January 8-10, 2025, Bhopal, India.

• Organized a symposium on Current Trends in Water and Wastewater Infrastructure Modeling and Treatment, Jan 09, 2023, in association with EWRI-ASCE (Speakers: Mr. Brian Parsons, MD EWRI; Prof. Shirley Clark, President EWRI, Mr. Sri Kamojjala, Sr. Engineer at Las Vegas Valley Water District; Prof. VR Gadhamshetty, South Dakota School of Mines & Technology; Dr. Srinivasa Lingireddy, University of Kentucky; Lee Odell, Chief Engineer at Murrysmith, Portland; Dr. Jejal Reddy Bathi, Univ. of Tennessee; Dr. Krishna Kumar Upadhyayula, Umea University, Sweden)

• Organized a symposium on Recent Advances in Waste and Wastewater Engineering, March 03, 2019. (Speakers: Dr. Venkata Mohan, Indian Institute of Chemical Technology Hyderabad; Prof. Satoshi Soda, Ritsumeikan University; Prof. Ch. Subyamanyam, IIT Hyderabad; Dr. Toshiyuki Shimizu, Ritsumeikan University; Dr. Pritha Chatterjee, IIT Hyderabad; Dr. Debraj Bhattacharyya, IIT Hyderabad)

• Organized a symposium on Wastewater Treatment & Reclamation, Feb 20, 2016. (Speakers: Dr. Futoshi Kurisu, RECWET, University of Tokyo; Dr. Tadashi Nittami, Department of Chemistry, Yokohama National University)

Invited Talks:

• Unit Operations and Processes in Wastewater Treatment: A few Design Aspects, Centre for Environment, Institute of Science and Technology, Jawaharlal Nehru Technological University Hyderabad, Aug. 2018.

• Wastewater Engineering and Research Trend, Center for Urban Development Studies, Dr. MCR HRD Institute, Government of Telangana, Hyderabad, Feb. 2017.

• Anaerobic Expanded Granular Sludge Bed Reactor, Government College of Technology, Coimbatore, Aug. 2015.

• Textile Dye Removal in an Advanced Bioreactor System, Research Center for Water Environment Technology, University of Tokyo, Jan. 2015.

• Treatment of Industrial Wastewater Using Anaerobic Membrane Bioreactors, NIT Calicut, Kozhikode, Jul. 2012.

• Degradation of Textile Dyes and Color Removal in Advanced Bioreactors Systems, NIT Calicut, Kozhikode, Jul. 2012.

• Industrial Plant Location, Thermal Power Plants – EIA studies, CWRDM, Kozhikode, Jan., 2011.