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Fall 2021


Energy System Group Members Zewei Chen, Yiru Li, Wasiu Peter Oladipupo, Edwin Rodriguez, Gary Sawyer, and Prof. Rakesh Agrawal’s manuscript “Alternative ordering of process hierarchy for more efficient and cost-effective valorization of shale resources” was published in Cell Reports Physical Science.

Energy System Group Undergraduate Researcher Arsh Bhatia received OUR scholarship for 2021-2022 academic year. Congratulations Arsh!


Summer 2021


Separations Research Group Members Jose Adrian Chavez Velasco, Zewei Chen, Radhakrishna Tumbalam Gooty, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Energy-efficient membrane cascades for industrial separations” was published in Computer Aided Chemical Engineering.

Separations Research Group Members Tony Joseph Mathew, Radhakrishna Tumbalam Gooty, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “A Simple Criterion for Feasibility of Heat Integration between Distillation Streams Based on Relative Volatilities” was published in Industrial & Engineering Chemistry Research.

Separations Research Group Members Jose Adrian Chavez Velasco, Radhakrishna Tumbalam Gooty, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Optimal design of membrane cascades for gaseous and liquid mixtures via MINLP” was published in Journal of Membrane Science.

Separations Research Group member Tony Joseph Mathew successfully defended his thesis. Congratulations Tony!

Separations Research Group Members Radhakrishna Tumbalam Gooty, Jose Adrian Chavez Velasco, and Prof. Rakesh Agrawal’s manuscript “Methods to Assess Numerous Distillation Schemes for Binary Mixtures” was published in Chemical Engineering Research and Design.


Spring 2021


Tony Joseph Mathew and Zewei Chen both gave oral presentations at the 2021 AIChE Spring Meeting

Solar Energy Research Group member Swapnil Dattatray Deshmukh received the Outstanding Research Award 2021 from the College of Engineering. Congratulations, Swapnil!

Separations Research Group Member Jose Adrian Chavez Velasco, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Systematic Analysis Reveals Thermal Separations Are Not Necessarily Most Energy Intensive” was published in Joule.


Fall 2020


Energy Systems Research Group member Zewei Chen received the Bill Murray Fellowship for 2020-21 academic year. Congratulations Zewei!


Separations Research Group members Tony Joseph Mathew, Radhakrishna Tumbalam Gooty, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Quickly Assess Distillation Columns” was published in Chemical Engineering Progress.


Solar Energy Research Group member Swapnil Deshmukh won the Second Place Award in the 2020 AIChE Graduate Student Award Competition in the Inorganic Chemistry Area. Congratulations Swapnil!


Separations Research Group member Radhakrishna Tumbalam Gooty successfully defended his thesis. Congratulations Radhakrishna!


Summer 2020


Tony Joseph Mathew received first place for his Oral Presentation in the Energy and Process Intensification & Biotechnology category, and won the Best Overall award, at the 29th Annual Symposium organized by Chemical Engineering Graduate Student Organization. Congratulations, Tony!


David Rokke received first place for his Oral Presentation in the Material Science category at the 29th Annual Symposium organized by Chemical Engineering Graduate Student Organization. Congratulations, David!


Solar Energy Research Group members David Rokke and Swapnil Deshmukh’s submissions to the 2020 Annual AIChE conference are accepted for an oral presentation and two Graduate Student Award Oral Presentations respectively.


Separations Research Group member Jose Adrian Chavez Velasco successfully defended his thesis. Congratulations Adrian!


Prof. Rakesh Agrawal and Separations Research Group Member Radhakrishna Tumbalam Gooty’s manuscript “Misconceptions about Efficiency and Maturity of Distillation” was published in AIChE Journal.


Separations Research Group member Radhakrishna Tumbalam Gooty is a winner of the 2020 AIChE Separations Division Graduate Student Research Award in the Distillation and Absorption area. Congratulations Radhakrishna!


Solar Energy Research Group member Swapnil Deshmukh is a winner of the best student paper award at the 47th IEEE PVSC. Congratulations Swapnil!


Separations Research Group member Zewei Chen, and Prof. Rakesh Agrawal’s manuscript, “Classification and Comparison of Dividing Walls for Distillation Columns” was published in Processes.


Prof. Rakesh Agrawal is interviewed on the Purdue University College of Engineering’s podcast, “Sounds Like the Future” on Episode 08: Advancing Sustainability Across Disciplines. Prof. Agrawal discusses his research and interests centered around sustainability


Solar Energy Research Group members Swapnil Deshmukh, Kyle Weideman, and Prof. Rakesh Agrawal’s manuscript, “Analyzing and Tuning the Chalcogen–Amine–Thiol Complexes for Tailoring of Chalcogenide Syntheses” was published in Inorganic Chemistry


Spring 2020


Solar Energy Research Group members Ryan Ellis, Jonathan Turnley, David Rokke, Jacob Fields, Essam Alruqobah, Swapnil Deshmukh, and Prof. Rakesh Agrawal’s manuscript, “Hybrid Ligand Exchange of Cu(In,Ga)S2 Nanopartcles for Carbon Impurity Removal in Solution Processed Photovoltaics” was published in Chemistry of Materials


Solar Energy Research Group member Essam AlRuqobah’s and Prof. Rakesh Agrawal’s manuscript, “Potassium Treatments for Solution-Processed Cu(In,Ga)(S,Se)2 Solar Cells” was published in ACS Applied Energy Materials


Solar Energy Research Group member Joseph Andler successfully defended his thesis. Congratulations Joe!


Solar Energy Research Group members, Ryan Ellis and Swapnil Deshmukh’s submissions to IEEE’s 2020 PVSC conference were both selected for (now virtual) oral presentations


Solar Energy Research Group member, David Rokke, is accepted to the National Renewable Energy Laboratory’s (NREL) Hands on Photovoltaic Experience (HOPE) 2020 program, a week long on-site educational program with field experts at NREL


Group member Tony Mathew received the 2020 Estus H. and Vashti L. Magoon Award for Excellence in Teaching by the College of Engineering for his teaching assistantship of CHE660: Chemical Reaction Engineering during the Spring 2019 semester


Prof. Rakesh Agrawal and alumni Xianyi Hu are co-authors of a newly published book, “Sustainable Photovoltaics,” which is an overview of various research projects that were a part of the SERIIUS funding network


Group members Ryan Ellis, Swapnil Deshmukh, and Zewei Chen all receive $1000 travel grants from the Davidson School of Chemical Engineering for conference travel


Solar Energy Research Group members Ryan Ellis and Swapnil Deshmukh’s submissions to the 2020 Spring MRS conference are accepted for oral presentations


Fall 2019


Solar Energy Research Group member Ryan Ellis wins first place in the Electronics and Photonic Materials Graduate Student Awards Session at the 2019 AIChE Annual Meeting for his oral presentation. Congratulations, Ryan!


Prof. Agrawal is an invited panelist for the Meet the Innovators presentation and panel discussion at the 2019 AIChE Annual Meeting


Ryan Ellis, Kyle Weideman, Zewei Chen, Jose Adrian Chavez Velasco, Yiru Li, and Peter Oladipupo all give oral presentations at the 2019 AIChE Annual Meeting


Solar Energy Research Group members Swapnil Deshmukh,* Ryan Ellis,* David Rokke, Dwi Sutandar and Prof. Rakesh Agrawal publish a paper titled, “Versatile Colloidal Synthesis of Metal Chalcogenide Nanoparticles from Elemental Precursors using Amine-Thiol Chemistry” in Chemistry of Materials


Prof. Rakesh Agrawal is awarded the Phillip C. Wankat Graduate Teaching Award in Chemical Engineering recognizing his achievements as an instructor in graduate-level courses. Congratulations, Prof. Agrawal!


Prof. Rakesh Agrawal writes a “Behind the Paper” blog post for Nature Sustainability describing the motivation behind the recently published paper


Prof. Rakesh Agrawal and Prof. Mitch Tunistra write a second blog post on Medium discussing the concept of Aglectric Farming


Prof. Rakesh Agrawal and Prof. Mitch Tunistra write a blog post on Medium featuring the NRT team and their research along with the new Nature Sustainability publication


Group alumni Caleb Miskin and current group members Yiru Li, Ryan Ellis, and Prof. Rakesh Agrawal publish, “Sustainable co-production of food and solar power to relax land-use constraints” in Nature Sustainability


Separations

Graduate Students

Alumni


Graduate Students

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Tony Joseph Mathew

Research Interests

Developing simplified analytical models to accurately capture valuable aspects of a physical system, while keeping complexity low enough for successful implementation in a global optimization program. Analyzing the interactions of variables in simplified models, and deriving new behavioral constraints on variables as a consequence of satisfying the model. Specific application and focus on minimizing energy consumption in multicomponent distillation configurations.

Publications

  • T. J. Mathew, R. Tumbalam Gooty, M. Tawarmalani, R. Agrawal. A Simple Criterion for Feasibility of Heat Integration between Distillation Streams Based on Relative Volatilities. Industrial & Engineering Chemistry Research, 60-28 (2021) 10286–10302. doi: 10.1021/acs.iecr.1c01036.
  • T. J. Mathew, R. Tumbalam Gooty, M. Tawarmalani, R. Agrawal. Quickly Assess Distillation Columns. Chemical Engineering Progress, December (2020) 27-34.
  • T. J. Mathew, R. Tumbalam Gooty, M. Tawarmalani, R. Agrawal. 110th Anniversary: Thermal Coupling via Heat Transfer: A Potential Route to Simple Distillation Configurations with Lower Heat Duty. Industrial & Engineering Chemistry Research, 58-47 (2019) 21671-21678. doi: 10.1021/acs.iecr.9b04689
  • Z. Jiang, T. J. Mathew, H. Zhang, J. Huff, U. Nallasivam, M. Tawarmalani, R. Agrawal. Global Optimization of Multicomponent Distillation Configurations: Global Minimization of Total Cost for Multicomponent Mixture Separations. Computers and Chemical Engineering, 126 (2019) 249-262. doi: 10.1016/j.compchemeng.2019.04.009

Awards and Honors

  • Estus H. And Vashti L. Magoon Award for Excellence in Teaching (2020)
  • Best Overall Oral Presentation at the 29th Annual Symposium organized by Purdue Chemical Engineering GSO

Educational Background

2012 – 2016, B.Tech in Chemical Engineering, Indian Institute of Technology Madras, India.

Contact Information

mathew28(at)purdue(dot)edu

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Akash Sanjay Nogaja

Research Interests

Modelling the search space and finding the minimum energy consuming configurations for separation of multi-component multi-feed systems, thermally integrated systems and hybrid systems (containing membrane and distillation units).

Educational Background

2016 – 2020, B.Tech in Chemical Engineering, Institute of Chemical Technology, Mumbai, India.

Contact Information

anogaja(at)purdue(dot)edu

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Alumni

Krishna 

 

Dr. Radhakrishna Tumbalam Gooty

Dr. Tumbalam Gooty joined the group as a graduate student in Fall 2015. He formulated novel Mixed Integer Nonlinear Programs (MINLPs) for identifying energetically and exergetically efficient distillation configurations. Several instances of the MINLP remain beyond the scope of the state-of-the-art global solvers, so he developed novel reformulation and discretization based solution procedure to solve the MINLP to the desired optimality gap. He successfully defended his Ph.D. thesis in Fall 2020.

Thesis Title: Advances in MINLP for Optimal Distillation Column Sequencing

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Dr. Jose Adrian Chavez Velasco

Dr. Chavez Velasco joined the group as a graduate student in Fall 2016. He worked on the comparison of different separation technologies such as distillation and membranes, developing a framework for general application. He also worked on the comparison of different modes of distillation, such as heat-supplied, heat-pumped, and usages of intermediate reboiler/condenser. He developed an optimization model for determining the minimum work required by a membrane cascade for the separation of binary liquid and gas mixtures. He successfully defended his Ph.D. thesis in Summer 2020.

Thesis Title: Comprehensive Study of the Energy Consumption of Membranes and Distillation

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Dr. Zheyu Jiang

Dr. Jiang joined the group as a graduate student in Spring 2015. He developed new methods and algorithms to synthesize and optimize multi-component distillation systems. In particular, he developed nonlinear programming based global optimization algorithms for multi-component distillation configurations to minimize their total costs and to maximize their thermodynamic efficiency. He also developed the first shortcut based method to accurately calculate the minimum reflux ratio required for multifeed multiproduct columns. He successfully defended his Ph.D. thesis in Fall 2018.

Thesis Title: Multicomponent Distillation – Mathematical Modeling, Global Optimization, And Process Intensification

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Dr. Parham Mobed

Dr. Parham Mobed joined the group as a post doctoral research associate in Fall 2016. His work focused on developing methods and algorithms for optimizing multicomponent distillation configurations by formulating nonlinear programming problems and solving them to global optimum. The developed programs have been consolidated into a user-friendly interface that can be used by industrial practitioners. He also worked on the control of Dividing Wall Column configurations. He graduated from the group in Spring 2018. Currently, he is working at AspenTech

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Gautham Madenoor Ramapriya

Dr. Gautham Madenoor Ramapriya

Dr. Gautham Madenoor Ramapriya joined the group as a graduate student in Fall 2011. He successfully defended his Ph.D. thesis in Fall 2016. He is currently a post doctoral research associate at University of Wisconsin, Madison.

Thesis Title: Low-Cost and Energy-Efficient Solutions for Multicomponent Distillation

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Josh

Dr. Joshua Huff

Dr. Joshua Huff joined the group as a graduate student in Spring 2010. His research focused on applying principles of membrane design and optimization to determine the optimal membrane cascade arrangement for multicomponent separations, as well as using principles of exergy and cost analysis to identify attractive distillation configurations. He successfully defended his Ph.D. thesis in Fall 2014.

Thesis Title: Tools for Efficient Design of Multicomponent Separation Processes

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Haibo

Dr. Haibo Zhang

Dr. Haibo Zhang joined the group as a post doctoral research associate in Spring 2012. His research area focused on capital cost modeling and a mixed-integer formulation for optimizing distillation configurations.

Anirudh

Dr. Anirudh Shenvi

Dr. Anirudh Shenvi joined the group as a graduate student in Fall 2007. Focusing on identifying useful heat integration approaches in distillation and synthesizing energy efficient multicomponent distillation sequences, he successfully defended his Ph.D. thesis in Spring 2012.

Thesis Title: Synthesis of Energy Efficient Distillation Configurations

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Nathan

Dr. Ulaganathan Nallasivam

Dr. Ulaganathan Nallasivam joined the group as a post doctoral research associate in Spring 2010. His research area focused on globally optimal configuration for multicomponent distillation sequences and energy network problems. He graduated from the group in 2011.

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Vishesh

Dr. Vishesh Shah

Dr. Vishesh Shah joined the group as a graduate student in Fall 2006. He developed a systematic mathematical framework to identify energy efficient multicomponent distillation sequences with a focus on thermally coupled distillation sequences. He successfully defended his Ph.D. thesis in Fall 2010.

Thesis Title: Energy Savings in Distillation Via Identification of Useful Configurations

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Rugved

Dr. Rugved Pathare

Dr. Rugved Pathare joined the group as a graduate student in Fall 2005. His research area focused on developing a framework for the design and optimization of membrane separation schemes. He successfully defended his Ph.D. thesis in Summer 2010.

Thesis Title: Design and Optimization of Binary Membrane-Based Separations

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Arun Giridhar

Dr. Arun Giridhar

Dr. Arun Giridhar joined the group as a graduate student in Fall 2005. He developed a method to solve the long-standing problem of synthesizing multicomponent distillation configurations with a focus on reducing the heat duty requirement. He successfully defended his Ph.D. thesis in Fall 2008 and is currently a post-doctoral researcher with the Engineering Research Center for Structured Organic Particulate Systems (ERC-SOPS) at Purdue University. He is working on real-time process control and informatics in particulate and pharmaceutical systems.

Thesis Title: Synthesis of Multicomponent Distillation Configurations

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