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I obtained my PhD in Chemical Engineering from West Virginia University (WVU) in 2012. I have since worked as a post-doctoral research fellow in the Department of Chemical Engineering at WVU. The researches I have been involved in include the following: Mathematical modeling and simulation of Entrained flow-type coal gasifier for use in plant-wide IGCC power plant models, Developing MEA-based CO2 capture models for integration in a SCPC plant, Developing promising CO2 utilization process models as a means of mitigating the enormous CO2 emissions from the traditional large point sources, Performing Techno-Economic optimization studies to evaluate the economic and technical performance of the CO2 utilizing process models when integrated with the SCPC plant. The modeling and simulation activities have been performed in a multi-software environment utilizing such software as: The Aspen Plus® process modeling suite which include Aspen Plus, Aspen Custom Modeler (ACM), Aspen Dynamics etc., modeFrontier® optimization software, Matlab® and MS Excel®.
Education:
Ph.D. Chemical Engineering, West Virginia University, Morgantown, WV, 2007 - 2012
M.Sc. Chemical Engineering, Clarkson University, Potsdam, NY, 2005 - 2007
B.Sc. Industrial Chemistry, Makerere University, Kampala, Uganda, 1999 - 2002
Post-Doctoral Research
Post-Doctoral Research
In the current study, a 1D transient model of a single-stage downward-firing entrained flow General Electric Energy (GEE)/Texaco-type gasifier has been developed. The model comprises mass, momentum and energy balances for the gas and solid phases. A detailed energy balance across the wall of the gasifier has been incorporated in the model to calculate the wall temperature profile along the gasifier length. This balance considers a detailed radiative transfer model with variable view factors between the various surfaces of the gasifier and with the solid particles. The model considers the initial gasification processes of water evaporation and coal devolatilization. In addition, the key heterogeneous and homogeneous chemical reactions have been modeled. The resulting time-dependent PDE model is solved using the method of lines in Aspen Custom Modeler®, whereby the PDEs are discretized in the spatial domain and the resulting differential algebraic equations (DAEs) are then integrated over time using a variable step integrator.
Publications
Publications
Kasule J, Turton R, Bhattacharyya D, Zitney S E, “One-Dimensional Dynamic Modeling of a Downward-Firing Entrained-Flow Gasifier”, Energy & Fuels, 28, 4949-4957, 2014
Kasule J, Turton R, Bhattacharyya D, Zitney S, “Mathematical Modeling of a Single-Stage, Downward-Firing, Entrained-Flow Gasifier”, Industrial & Engineering Chemistry Research, 51, 6429-6440, 2012
Kasule J, Bhattacharyya D, Turton R, Zitney S E, “On the Dynamic Modeling of an Entrained Gasifier Using Aspen Custom Modeler,” Proc. of the 29th Annual International Pittsburgh Coal Conference, Pittsburgh, PA, October 15-18 (2012)
Kasule J, Bhattacharyya D, Turton R, Zitney S E “Steady-State Modeling of a Single-Stage, Downward-Firing, Entrained-Flow Gasifier,” Proc. of the 28th Annual International Pittsburgh Coal Conference, Pittsburgh, PA, September 12-15 (2011)
Presentations
Presentations
Kasule J, Bhattacharyya D, “Optimal Synthesis of CO2 Utilization Processes Integrated with a Supercritical Pulverized Coal Power Plant”, Paper 584b, AIChE Annual Meeting, Atlanta, GA, November 16-21, 2014
Kasule J, Bhattacharyya D, Turton R, Zitney S E, “Techno-Economic Optimization of Process and Energy Plants with Integrated CO2 Capture and Utilization Processes”, #83, 12th International Conference on Carbon Dioxide Utilization, Alexandria, VA , June 23-27, 2013
Kasule J, Turton R , Bhattacharyya D, Zitney, S E, “A one-dimensional transient model of a single-stage downward-firing, entrained-flow gasifier”, Paper 529e, AIChE Annual Meeting, Pittsburgh, PA, October 28- November 2, 2012
Kasule J, Bhattacharyya D, Turton R, Zitney S E, “On the dynamic modeling of an entrained gasifier using Aspen Custom Modeler,” Session 21 Gasification: Modeling-1, 29th Annual International Pittsburgh Coal Conference, Pittsburgh, PA, October 15-18, 2012
Kasule J, Turton R , Bhattacharyya D, Turton R, Zitney, S E, “Rigorous modeling of an entrained-flow gasifier considering a heuristic recirculation model and a detailed energy balance”, Paper 199e, presented at AIChE Annual Meeting, Minneapolis, MN, October 16-21, 2011
Kasule J, Bhattacharyya D, Turton R, Zitney, S E, “Steady-state modeling of a single-stage, downward-firing, entrained-flow gasifier”, Session 14 Gasification: Modeling-1, 28th Annual International Pittsburgh Coal Conference, Pittsburgh, PA, September 12-15, 2011
Kasule J, Turton R, Bhattacharyya D, Zitney S, “On the Modeling of a Single-Stage, Entrained-Flow Gasifier using Aspen Custom Modeler”, Paper 624d, AIChE Annual Meeting, Salt Lake City, UT, November 7-12, 2010
Kasule J, Bhattacharyya D, Turton R, Zitney S, “On the Modeling of a Single-Stage, Downward-Firing, Entrained-Flow Gasifier using Aspen Custom Modeler”, 85th West Virginia Academy of Science Meeting, Morgantown, WV, April 10, 2010
Kasule J, Bhattacharyya D, Turton R, Zitney S, “ Mathematical modeling of a transient 1D entrained-flow TEXACO gasifier using Aspen Custom Modeler”, Paper 73d, AIChE Annual Meeting, Nashville, TN, November 8-13, 2009
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