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Spring 2024


Solar Energy Research Group members Jonathan Turnley and Prof. Rakesh Agrawal’s Feature Article “Solution processed metal chalcogenide semiconductors for inorganic thin film photovoltaics” was published in RSC Chemical Communications.

Solar Energy Research Group member Shriya Khandelwal was awarded the Undergraduate Research Award. Congratulations, Shriya.

Solar Energy Research Group member Jonathan Turnley was awarded College of Engineering Outstanding Research Award. Congratulations Jonathan!

In collaboration with Prof. Edgardo Saucedo’s group at UPC Spain, Solar Energy Research Group members Jonathan W. Turnley, and Prof. Rakesh Agrawal’s manuscript “Novel synthesis of semiconductor chalcohalide anti-perovskites by low-temperature molecular precursor ink deposition methodologies” was published in Journal of Materials Chemistry C.

Solar Energy Research Group members Daniel C. Hayes, Samantha A. Langdon, Robert M. Spilker, and Prof. Rakesh Agrawal’s manuscript “Carbon Impurity Minimization of Solution-Processed, Thin-Film Photovoltaics via Ligand Engineering of CuInS2 Nanoparticles” was published in ACS Applied Energy Materials.

Fall 2023


In collaboration with Prof. Lydia Wong’s group at NTU Singapore, Solar Energy Research Group members Ryan Swope, and Prof. Rakesh Agrawal’s manuscript “Efficiency enhancement and doping type inversion in Cu2CdSnS4 solar cells by Ag substitution” was published in Journal of Materials Chemistry A.

Solar Energy Research Group members Shubhanshu Agarwal, Kyle Weideman, David Rokke, Kiruba Catherine Vincent, and Prof. Rakesh Agrawal’s manuscript “Enhancing the optoelectronic properties of solution-processed AgInSe2 thin films for application in photovoltaics” was published in Journal of Materials Chemistry C.

Solar Energy Research Group members Jonathan Turnley, Swapnil Deshmukh, Ryan Ellis, and Prof. Rakesh Agrawal’s manuscript “Molecular Precursor Approach to Sulfur-Free CuInSe2: Replacing Thiol Coordination in Soluble Metal Complexes” was published in ACS Omega.

Solar Energy Research Group member Jonathan Turnley was awarded 2nd place for his presentation at the AICHE Electronic and Photonic Materials: Graduate Student Awards session. Congratulations Jonathan!

Solar Energy Research Group members Apurva Pradhan, Scott McClary, Kyle Weideman, Shriya Khandelwal, Joseph Andler, David Rokke, and Prof. Rakesh Agrawal’s manuscript “Tuning the optoelectronic properties of enargite (Cu3AsS4) solar cells by Ag alloying: A DFT-informed synthesis” was published in Applied Physics Letters.

Solar Energy Research Group members Jonathan Turnley, Swapnil Deshmukh, Robert Spilker, and Prof. Rakesh Agrawal’s manuscript “A selenium-based “alkahest”: reactive dissolutions of metals and metal compounds with n-alkylammonium polyselenide solutions” was published in Inorganic Chemistry Frontiers.

Solar Energy Research Group members Shubhanshu Agarwal, Jonathan Turnley, Apurva Pradhan, and Prof. Rakesh Agrawal’s manuscript “Moderate Temperature Sulfurization and Selenization of Highly Stable Metal Oxides: An Opportunity for Chalcogenide Perovskite” was published in Journal of Materials Chemistry C.

Spring 2023


Separations Research Group Members Tony Mathew, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Relaxing the constant molar overflow assumption in distillation optimization” was published in AIChE Journal.

Solar Energy Research Group member Isabel Panicker was awarded 1st place in the Purdue AICHE undergraduate poster competition. Congratulations, Isabel!

After graduation, Solar Energy Research Group undergraduate Isabel Panicker will be going to Georgia Tech to get a PhD in chemical engineering. Congrats, Isabel!

After graduation, Solar Energy Research Group undergraduate Kevin Ng will be joining Parker Hannifin in their Engineering Leadership Development Program. Congrats, Kevin!

Solar Energy Research Group undergraduate Lily Whitmoyer has accepted a summer internship position with Washington River Protection Solutions. Congrats, Lily!

Solar Energy Research Group members Apurva Pradhan and Kiruba Catherine Vincent presented at the 2023 MRS Spring Meeting and Exhibit in San Francisco, California.

Solar Energy Research Group member Jonathan Turnley presented at the ACS Spring 2023 meeting in Indianapolis, Indiana.

Solar Energy Research Group member Jonathan Turnley presented at the 2023 Gordon Research Conference on Nanomaterials for Applications in Energy Technology in Ventura, California.

The Purdue OTC announced in their March update that Prof. Rakesh Agrawal, Zewei Chen, and Peter Oladipupo received a patent titled “Electrically Heated Dehydrogenation Process“.

Solar Energy Research Group members Apurva Pradhan, Shubhanshu Agarwal, Jonathan Turnley, Shriya Khandelwal, Ryan Swope, and Prof. Rakesh Agrawal’s manuscript “Synthesis of BaZrS3 and BaHfS3 Chalcogenide Perovskite Films Using Single-Phase Molecular Precursors at Moderate Temperatures” was published in Angewandte Chemie International Edition.

Solar Energy Research Group members Kiruba Catherine Vincent, Shubhanshu Agarwal, Jonathan Turnley, and Prof. Rakesh Agrawal’s manuscript “Liquid Flux-Assisted Mechanism for Modest Temperature Synthesis of Large-Grain BaZrS3 and BaHfS3 Chalcogenide Perovskites” was published in Advanced Energy & Sustainability Research.

Fall 2022


In collaboration with ExxonMobil’s Research Group, Separations Research Group Members Tony Mathew, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Advances in distillation: Significant reductions in energy consumption and carbon dioxide emissions for crude oil separation” was published in Joule.

Separations Research Group Members Zheyu Jiang, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Minimum reflux calculation for multicomponent distillation in multi-feed, multi-product columns: Mathematical model” was published in AIChE Journal.

Solar Energy Research Group member Jonathan Turnley presented at the 2022 MRS Fall Meeting and Exhibit in Boston, Massachusetts.

Solar Energy Research Group members Jonathan Turnley, Apurva Pradhan, Daniel Hayes, and Shubhanshu Agarwal presented at the 2022 AIChE Annual Meeting in Phoenix, Arizona.

Solar Energy Research Group members Jonathan Turnley, Kiruba Catherine Vincent, Apurva Pradhan, Isabel Panicker, Ryan Swope, and Prof. Rakesh Agrawal’s manuscript “Solution Deposition for Chalcogenide Perovskites: A Low-Temperature Route to BaMS3 Materials (M = Ti, Zr, Hf)” was published in Journal of the American Chemical Society.

Separations Research Group Members Akash Sanjay Nogaja, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Identifying Heat-Integrated Energy-Efficient Multicomponent Distillation Configurations” was published in I&EC Research Journal.

Separations Research Group Members Radhakrishna Tumbalam Gooty, Prof. Rakesh Agrawal, and Prof. Mohit Tawarmalani’s manuscript “Advances in MINLP to Identify Energy-Efficient Distillation Configurations” was published in Operations Research Journal.

Summer 2022


Separations Research Group Members Jose Adrian Chavez Velasco, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Which separation scenarios are advantageous for membranes or distillations?” was published in AIChE Journal.

Solar Energy Research Group member Kevin Ng was awarded the Best Presentation Award at the Purdue Summer Undergraduate Research Symposium. Congratulations Kevin!

Separations Research Group member Tony Mathew won the 2022 Graduate Student Research Award of the Distillation and Absorption Area of AIChE Separations Division. Congratulations Tony!

Spring 2022


Solar Energy Research Group member Apurva Pradhan was awarded the 2022 ChE Excellence in Safety award. Congratulations Apurva!

Solar Energy Research Group member Isabel Panicker’s poster received 2nd place in the College of Engineering at Purdue’s 2022 Spring Undergraduate Research Conference. Congratulations Isabel!

Solar Energy Research Group member David Rokke successfully defended his thesis and has accepted a position at Applied Materials. Congratulations David!

Solar Energy Research Group members David Rokke, Essam Alruqobah, and Prof. Rakesh Agrawal’s review article “Extrinsic Doping of Ink-Based Cu(In,Ga)(S,Se)2-Absorbers for Photovoltaic Applications” was published in Advanced Energy Materials.

Solar Energy Research Group members Swapnil Deshmukh, Caleb Miskin, Apurva Pradhan, and Prof. Rakesh Agrawal’s manuscript “Solution Processed Fabrication of Se-Te Alloy Thin Films for Application in PV Devices” was published in ACS Applied Energy Materials.

Solar Energy Research Group members Swapnil Deshmukh, Kyle Weideman, Ryan Ellis, and Prof. Rakesh Agrawal’s manuscript “Enabling fine-grain free 2-micron thick CISe/CIGSe film fabrication via a non-hydrazine based solution processing route” was published in Materials Advances.

Solar Energy Research Group members Joseph Andler, Xianyi Hu, Scott McClary, and Prof. Rakesh Agrawal’s manuscript “Analysis of enargite thin films synthesized from carbon-containing and novel carbon-free processing methods” was published in Materials Science in Semiconductor Processing.

Fall 2021


Solar Energy Research Group members Ryan Ellis, Swapnil Deshmukh, Jonathan Turnley, Dwi Sutandar, Jacob Fields, and Prof. Rakesh Agrawal’s manuscript “Direct Synthesis of Sulfide-Capped Nanoparticles for Carbon-Free Solution-Processed Photovoltaics” was published in ACS Applied Nano Materials.

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.



 

Publications – Separations

T. J. Mathew, M. Tawarmalani, R. AgrawalRelaxing the constant molar overflow assumption in distillation optimizationAIChE J2023;e18125. doi:10.1002/aic.18125

T. J. Mathew, S. Narayanan, A. Jalan, L. Matthews, H. Gupta, R. Billimoria, C. S. Pereira, C. Goheen, M. Tawarmalani, & R. Agrawal. (2022). Advances in distillation: Significant reductions in energy consumption and carbon dioxide emissions for crude oil separation. Joule, 6(11), 2500–2512. https://doi.org/https://doi.org/10.1016/j.joule.2022.10.004

Z. Jiang, M. Tawarmalani, R. AgrawalMinimum reflux calculation for multicomponent distillation in multi-feed, multi-product columns: Mathematical modelAIChE J20226812):e17929. doi:10.1002/aic.17929

J. A. Chavez Velasco, M. Tawarmalani, R. AgrawalWhich separation scenarios are advantageous for membranes or distillations? AIChE J20226811):e17839. doi:10.1002/aic.17839

R. Tumbalam Gooty, R. Agrawal, M. Tawarmalani (2022). Advances in MINLP to Identify Energy-Efficient Distillation Configurations. Operations Research. https://doi.org/10.1287/opre.2022.2340

A. S. Nogaja, T. J. Mathew, M. Tawarmalani, R. Agrawal (2022). Identifying Heat-Integrated Energy-Efficient Multicomponent Distillation Configurations. Industrial and Engineering Chemistry Research, 61(37). https://doi.org/10.1021/acs.iecr.2c00870

J. A. Chavez Velasco, Z. Chen, R. Tumbalam Gooty, M. Tawarmalani, R. Agrawal. Energy-efficient membrane cascades for industrial separations. Computer Aided Chemical Engineering, 50 (2021) 359-364. doi: 10.1016/B978-0-323-88506-5.50057-7.

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.

J. A. Chavez Velasco, R. Tumbalam Gooty, M. Tawarmalani, R. Agrawal. Optimal design of membrane cascades for gaseous and liquid mixtures via MINLP. Journal of Membrane Science, 636 (2021) 119514. doi: 10.1016/j.memsci.2021.119514.

R. Tumbalam Gooty, J. A. Chavez Velasco, R. Agrawal. Methods to Assess Numerous Distillation Schemes for Binary Mixtures. Chemical Engineering Research and Design, 172 (2021) 1-20. doi: 10.1016/j.cherd.2021.05.022.

J. A. Chavez Velasco, M. Tawarmalani, R. Agrawal. Systematic Analysis Reveals Thermal Separations Are Not Necessarily Most Energy Intensive. Joule, 5-2 (2021) 330-343. doi: 10.1016/j.joule.2020.12.002.

T. J. Mathew, R. Tumbalam Gooty, M. Tawarmalani, R. Agrawal. Quickly Assess Distillation Columns. Chemical Engineering Progress, December (2020) 27-34.

R. Agrawal, R. Tumbalam Gooty. Misconceptions about Efficiency and Maturity of Distillation. AIChE Journal, 66-8 (2020) e16294. doi: 10.1002/aic.16294

Z. Chen, R. Agrawal. Classification and Comparison of Dividing Walls for Distillation Columns. Processes, 8-6 (2020) 699. doi: 10.3390/pr8060699

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, Z. Chen, J. Huff, A. Shenvi, M. Tawarmalani, R. Agrawal. Global Minimization of Total Exergy Loss of Multicomponent Distillation Configurations. AIChE Journal, 65-11 (2019) e16737. doi: 10.1002/aic.16737

Z. Jiang, R. Agrawal. Process Intensification in Multicomponent Distillation: A Review of Recent Advancements. Chemical Engineering Research and Design, 147 (2019) 122-145. doi: 10.1016/j.cherd.2019.04.023

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

R. Tumbalam Gooty, R. Agrawal, M. Tawarmalani. An MINLP Formulation for the Optimization of Multicomponent Distillation Configurations. Computers and Chemical Engineering, 125 (2019) 13-30. doi: 10.1016/j.compchemeng.2019.02.013

Z. Jiang, G. M. Ramapriya, M. Tawarmalani, R. Agrawal. Process Intensification in Multicomponent Distillation. Chemical Engineering Transactions, 69 (2018) 841-846. doi: 10.3303/CET1869141

R. Tumbalam Gooty, P. Mobed, M. Tawarmalani, R. Agrawal. (2018). Optimal Multicomponent Distillation Column Sequencing: Software and Case Studies. Computer Aided Chemical Engineering, 44 (2018) 223-228. doi: 10.1016/B978-0-444-64241-7.50032-X

G. M. Ramapriya, A. Selvarajah, L. E. Jimenez Cucaita, J. Huff, M. Tawarmalani, R. Agrawal. Short-Cut Methods versus Rigorous Methods for Performance-Evaluation of Distillation Configurations. Industrial & Engineering Chemistry Research, 57-22 (2018) 7726–7731. doi: 10.1021/acs.iecr.7b05214

Z. Jiang, G. M. Ramapriya, M. Tawarmalani, R. Agrawal. Minimum Energy of Multicomponent Distillation Systems Using Minimum Additional Heat and Mass Integration Sections. AIChE Journal, 64-9 (2018) 3410-3418. doi: 10.1002/aic.16189

G. M. Ramapriya, M. Tawarmalani, R. Agrawal, A Systematic Method to Synthesize all Dividing Wall Columns for n‐Component Separation: Part II. AIChE Journal, 64-2 (2018) 660-672. doi: 10.1002/aic.15963

G. M. Ramapriya, M. Tawarmalani, R. Agrawal, A Systematic Method to Synthesize all Dividing Wall Columns for n‐Component Separation: Part I. AIChE Journal, 64-2 (2018) 649-659. doi: 10.1002/aic.15964

U. Nallasivam, V.H. Shah, A.A. Shenvi, J. Huff, M. Tawarmalani, R. Agrawal, Global optimization of multicomponent distillation configurations: 2. Enumeration based global minimization algorithm, AIChE J. 62 (2016) 2071. doi: 10.1002/aic.15204.

G.M. Ramapriya, M. Tawarmalani, R. Agrawal, Thermal coupling links to liquid-only transfer streams: An enumeration method for new FTC dividing wall columns, AIChE J. 62 (2016) 1200. doi: 10.1002/aic.15053.

G. Madenoor Ramapriya, A.A. Shenvi, M. Tawarmalani, R. Agrawal, A New Framework for Combining a Condenser and Reboiler in a Configuration to Consolidate Distillation Columns, Ind. Eng. Chem. Res. 54 (2015) 10449-10464. doi: 10.1021/acs.iecr.5b01701.

V.H. Shah, R. Agrawal, Conceptual Design of Zeotropic Distillation Processes, in: A. Gorak, E. Sorensen (Eds.), Distill. Fundam. Princ. Vol. 1, Elsevier, (2014): pp. 271-303. doi: 10.1016/B978-0-12-386547-2.00007-7

G. Madenoor Ramapriya, M. Tawarmalani, R. Agrawal, New, Useful Dividing Wall Columns for Sustainable Distillation, in: Proc. 10th Int. Conf. Distill. Absorpt., Friedrichshafen, Germany, (2014): pp. 76-81.

G.M. Ramapriya, M. Tawarmalani, R. Agrawal, Modified Basic Distillation Configurations with Intermediate Sections for Energy Savings, AIChE J. 60 (2014) 1091. doi: 10.1002/aic.14324.

G.M. Ramapriya, M. Tawarmalani, R. Agrawal, Thermal Coupling Links to Liquid-Only Transfer Streams: A Path for New Dividing Wall Columns, AIChE J. 60 (2014) 2949. doi: 10.1002/aic.14468.

U. Nallasivam, V.H. Shah, A.A. Shenvi, M. Tawarmalani, R. Agrawal, Global Optimization of Multicomponent Distillation Configurations: 1. Need for a Reliable Global Optimization Algorithm, AIChE J. 59 (2013) 971. doi: 10.1002/aic.13875.

A.A. Shenvi, V.H. Shah, R. Agrawal, New Multicomponent Distillation Configurations with Simultaneous Heat and Mass Integration, AIChE J. 59 (2013) 272. doi: 10.1002/aic.13971.

A.A. Shenvi, V.H. Shah, J.A. Zeller, R. Agrawal, A Synthesis Method for Multicomponent Distillation Sequences with Fewer Columns, AIChE J. 58 (2012) 2479. doi: 10.1002/aic.12752.

V.H. Shah, R. Agrawal, Are All Thermal Coupling Links between Multicomponent Distillation Columns Useful from an Energy Perspective?, Ind. Eng. Chem. 50-3 (2011) 1770-1777. doi: 10.1021/ie101768c.

A.A. Shenvi, D.M. Herron, R. Agrawal, Energy efficiency limitations of the conventional heat integrated distillation column (HIDiC) configuration for binary distillation, Ind. Eng. Chem. Res. 50-1 (2011) 119-130. doi: 10.1021/ie101698f.

V.H. Shah, R. Agrawal, A Matrix Method for Multicomponent Distillation Sequences, AIChE J. 56 (2010) 1759. doi: 10.1002/aic.12118.

Giridhar, R. Agrawal, Synthesis of distillation configurations: I. Characteristics of a good search space, Comput. Chem. Eng. 34 (2010) 73-83. doi: 10.1016/j.compchemeng.2009.05.003.

Giridhar, R. Agrawal, Synthesis of distillation configurations. II: A search formulation for basic configurations, Comput. Chem. Eng. 34 (2010) 84-95. doi: 10.1016/j.compchemeng.2009.05.004.

R. Pathare, R. Agrawal, Design of membrane cascades for gas separation, J. Memb. Sci. 364 (2010) 263-277. doi: 10.1016/j.memsci.2010.08.029.

V.H. Shah, R. Agrawal, Multicomponent Distillation Configurations with Large Energy Savings, in: Proc. Distill. Absorpt., (2010).

R.D. Noble, R. Agrawal, Separations research needs for the 21st century, Ind. Eng. Chem. Res. 44 (2005) 2887-2892. doi: 10.1021/ie0501475.

R. Agrawal, Synthesis of multicomponent distillation column configurations, AIChE J. 49 (2003) 379-401. doi: 10.1002/aic.690490210.

R. Agrawal, A.A. Brostow, D.M. Herron, M.J. Robert, Hybrid Cryogenic Liquefaction Processes, in: Proc. 21st Int. Congr. Refrig., Washington DC, (2003): p. ICR03090.

Z.T. Fidkowski, R. Agrawal, Multicomponent thermally coupled systems of distillation columns at minimum reflux, AIChE J. 47 (2001) 2713-2724. doi: 10.1002/aic.690471211.

R. Agrawal, D.M. Herron, Feed Pretreatment for Binary Distillation Efficiency Improvement, in: R. Gani, S.B. Jorgensen (Eds.), Eur. Symp. Comput. Aided Process Eng. – 11, Elsevier, (2001): p. 339-344. doi: 10.1016/S1570-7946(01)80052-3.

R. Agrawal, Multicomponent distillation columns with partitions and multiple reboilers and condensers, Ind. Eng. Chem. Res. 40 (2001) 4258-4266. doi: 10.1021/ie000315n.

R. Agrawal, Separations: Perspective of a process developer/designer, AIChE J. 47 (2001) 967-971. doi: 10.1002/aic.690470503.

R. Agrawal, Thermally coupled distillation with reduced number of intercolumn vapor transfers, AIChE J. 46 (2000) 2198-2210. doi: 10.1002/aic.690461112.

R. Agrawal, Multieffect distillation for thermally coupled configurations, AIChE J. 46 (2000) 2211-2224. doi: 10.1002/aic.690461113.

R. Agrawal, Z.T. Fidkowski, Improving Efficiency of Distillation with New Thermally Coupled Configurations of Columns, in: Found. Comput. Process Des. AIChE Symp. Ser. No. 323, Vol. 96, (2000): p. 381.

R. Agrawal, A method to draw fully thermally coupled distillation column configurations for multicomponent distillation, Chem. Eng. Res. Des. 78 (2000) 454-464. doi: 10.1205/026387699526449.

R. Agrawal, D.M. Herron, Air Liquefaction: Distillation, Encycl. Sep. Sci. (2000) 1895.

R. Agrawal, Z.T. Fidkowski, More Operable Arrangements of Thermally Coupled Distillation Column, in: M. D. Pritchett, H. Z. Kister (Eds.), Distill. Horizons New Millenn. AIChE Top. Conf. Prepr., (1999): p. 105.

R. Agrawal, Z.T. Fidkowski, Thermodynamically efficient systems for ternary distillation, Ind. Eng. Chem. Res. 38 (1999) 2065-2074. doi: 10.1021/ie980531k.

R. Agrawal, D.M. Herron, Production of Low-Purity Oxygen in the Next Millennium, in: 20th IIR Proc., (1999).

R. Agrawal, Z.T. Fidkowski, New thermally coupled schemes for ternary distillation, AIChE J. 45 (1999) 485-496. doi: 10.1002/aic.690450306.

R. Agrawal, More Operable Fully Thermally Coupled Distillation Column Configurations for Multicomponent Distillation, Chem. Eng. Res. Des. 77 (1999) 543-553. doi: 10.1205/026387699526449.

R. Agrawal, Z.T. Fidkowski, Ternary distillation schemes with partial reboiler or partial condenser, Ind. Eng. Chem. Res. 37 (1998) 3455-3462. doi: 10.1021/ie980063e.

R. Agrawal, Z.T. Fidkowski, Improved direct and indirect systems of columns for ternary distillation, AIChE J. 44 (1998) 823-830. doi: 10.1002/aic.690440407.

R. Agrawal, Z.T. Fidkowski, Are thermally coupled distillation columns always thermodynamically more efficient for ternary distillations, Ind. Eng. Chem. Res. 37 (1998) 3444-3454. doi: 10.1021/ie980062m.

R. Agrawal, Z.T. Fidkowski, More operable arrangements of fully thermally coupled distillation columns, AIChE J. 44 (1998) 2565-2568. doi: 10.1002/aic.690441124.

R. Agrawal, J. Xu, Advanced Cryogenic Air Separation Plants for Carbonaceous Fuel-Based Ammonia Synthesis, in: Cryog. Refrig. Proc. ICCR-98, Hangzhou, China, (1998): p. 538.

R. Agrawal, D.M. Herron, Intermediate Reboiler and Condenser Arrangement for Binary Distillation Columns, AIChE J. 44 (1998) 1316-1324. doi: 10.1002/aic.690440609.

R. Agrawal, D.M. Herron, Efficient Use of an Intermediate Reboiler or Condenser in a Binary Distillation, AIChE J. 44 (1998) 1303-1315. doi: 10.1002/aic.690440608.

R. Agrawal, D.M. Herron, Optimal thermodynamic feed conditions for distillation of ideal binary mixtures, AIChE J. 43 (1997) 2984-2996. doi: 10.1002/aic.690431111.

R. Agrawal, H.C. Rowles, G.E. Kinard, Cryogenic Distillation, in: D. M. Ruthven (Ed.), Encycl. Sep. Technol., Wiley, New York, (1997): p. 379.

R. Agrawal, D.W. Woodward, A.K. Modi, Co-production of High Purity Products Using Thermally-Linked Columns, Distill. Absorpt. 1997, Inst. Chem. Eng. Symp. Ser. 142 (1997) 511.

R. Agrawal, A simplified method for the synthesis of gas separation membrane cascades with limited numbers of compressors, Chem. Eng. Sci. 52 (1997) 1029-1044. doi: 10.1016/S0009-2509(96)00376-4.

R. Agrawal, Z.T. Fidkowski, J. Xu, Prefractionation to reduce energy consumption in distillation without changing utility temperatures, AIChE J. 42 (1996) 2118-2127. doi: 10.1002/aic.690420804.

R. Agrawal, J.G. Xu, Gas-separation membrane cascades utilizing limited numbers of compressors, AIChE J. 42 (1996) 2141-2154. doi: 10.1002/aic.690420806.

R. Agrawal, Z.T. Fidgowski, On the use of intermediate reboilers in the rectifying and condensers in the stripping section of a distillation column, Ind. Eng. Chem. Res. 35 (1996) 2801-2807. doi: 10.1021/ie9601312.

R. Agrawal, Production of Ultra-high Purity Nitrogen Free of Light Impurities, in: Proc. MUST-96, Munich Meet. Air Sep. Technol., (1996): p. 25.

R. Agrawal, J. Xu, A Systematic Procedure for Drawing Gas Separation Membrane Cascades with Limited Number of Compressors, in: Proc. ICOM-96, 1996 Int. Congr. Membr. Membr. Process., Yokohama, Japan, (1996): p. 288.

R. Agrawal, Synthesis of Distillation Column Configurations for a Multicomponent Separation, Ind. Eng. Chem. Res. 35 (1996) 1059-1071. doi: 10.1021/ie950323h.

J. Xu, R. Agrawal, Gas separation membrane cascades I. One-compressor cascades with minimal exergy losses due to mixing, J. Memb. Sci. 112 (1996) 115-128. doi: 10.1016/0376-7388(95)00272-3.

J. Xu, R. Agrawal, Membrane Separation Process Analysis and Design Strategies Based on Thermodynamic Efficiency of Permeation, Chem. Eng. Sci. 51 (1996) 365-385. doi: 10.1016/0009-2509(95)00262-6.

R. Agrawal, Membrane cascade schemes for multicomponent gas separation, Ind. Eng. Chem. Res. 35 (1996) 3607-3617. doi: 10.1021/ie960160c.

R. Agrawal, J. Xu, Gas separation membrane cascades II. Two-compressor cascades, J. Memb. Sci. 112 (1996) 129-146. doi: 10.1016/0376-7388(95)00273-1.

J. Xu, R. Agrawal, Local Thermodynamic Efficiency of Permeation and Strategies for Efficiency Improvement for Membrane Gas Separation, in: 1995 Top. Conf. Recent Dev. Futur. Oppor. Sep. Technol. Am. Inst. Chem. Eng., (1995): p. 351.

R. Agrawal, Production of Ultrahigh-Purity Oxygen: A Distillation Method for the Coproduction of the Heavy Key Component Stream Free of Heavier Impurities, Ind. Eng. Chem. Res. 34 (1995) 3947-3955. doi: 10.1021/ie00038a034.

Z. T. Fidkowski, R. Agrawal, Utilization of Waste Heat Stream in Distillation, Ind. Eng. Chem. Res. 34 (1995) 1287-1293. doi: 10.1021/ie00043a033.

R. Agrawal, D.W. Woodward, Efficient Process to Produce Tonnage Nitrogen, in: 19th Int. Congr. Refrig., The Hauge, The Netherlands, (1995): p. 1011.

R. Agrawal, J. Xu, Separation devices for gas mixing, AIChE J. 41 (1995) 2585-2602. doi: 10.1002/aic.690411208.

R. Agrawal, T.F. Yee, Heat Pumps for Thermally Linked Distillation Columns: An Exercise for Argon Production from Air, Ind. Eng. Chem. Res. 33 (1994) 2717-2730. doi: 10.1021/ie00035a023.

R. Agrawal, D.W. Woodward, T.F. Yee, Argon production from air distillation: Use of a heat pump in a ternary distillation with a side rectifier, Gas Sep. Purif. 8 (1994) 37-43. doi: 10.1016/0950-4214(94)85006-2.

R. Agrawal, D.W. Woodward, K.A. Ludwig, D.L. Bennett, Impact of Low Pressure Drop Structure Packing on Air Distillation, in: Inst. Chem. Eng. Symp. Ser. No. 128, (1992): p. 125.

R. Agrawal, R.M. Thorogood, Production of medium pressure nitrogen by cryogenic air separation, Gas Sep. Purif. 5 (1991) 203-209. doi: 10.1016/0950-4214(91)80025-Z.

R. Agrawal, D.W. Woodward, Efficient Cryogenic Nitrogen Generators – An Exergy Analysis, Gas Sep. Purif. 5 (1991) 139-150. doi: 10.1016/0950-4214(91)80012-T.

R. Agrawal, D.W. Woodward, Impact of Low Pressure Drop Structured Packing on Argon Production and Purification from Air, in: Proc. XVIIIth Int. Congr. Refrig., Montreal, Canada, (1991): p. 162.

R. Agrawal, W.T. Kleinberg, Efficient Processes to Produce Ultra High Purity Nitrogen from Air, in: Proc. XVIIIth Int. Congr. Refrig., Montreal, Canada, (1991): p. 156.

J.S. Choe, R. Agrawal, S.R. Auvil, Membrane/Adsorption Hybrids for Gas Separation, in: AIChE Symp. Ser., Houston, (1991).

R. Agrawal, S.R. Auvil, J.S. Choe, D.W. Woodward, Membrane/cryogenic hybrid scheme for argon production from air, Gas Sep. Purif. 4 (1990) 75-80. doi: 10.1016/0950-4214(90)80031-F.

J.S. Choe, R. Agrawal, S.R. Auvil, R. Srinivasan, R.M. Thorogood, Membrane/Adsorption Hybrids for Gas Separation, in: Proc. 1990 Int. Congr. Membr. Membr. Process., (1990): p. 995.

R. Agrawal, D.W. Woodward, W.T. Kleinberg, K.B. Wilson, Efficient Processes to Produce Nitrogen by Cryogenic Air Separation, in: Proc. Low Temp. Cryog. Conf., Southampton, U.K., (1990): p. 4.

J.M. Abrardo, R. Agrawal, A.R. Smith, D.W. Woodward, Oxygen Plants for IGCC, in: C. F. Gottzmann, L. C. Kun, K. D. Timmerhaus, L. Wenzel (Eds.), Seventh Intersoc. Cryog. Symp., (1989): p. 37.

R. Agrawal, D.C. Erickson, D.W. Woodward, High Efficiency Processes for Cryogenic Air Separation, in: C. F. Gottzmann, L. C. Kun, K. D. Timmerhaus, L. Wenzel (Eds.), Seventh Intersoc. Cryog. Symp., (1989): p. 33.

J.S. Choe, R. Agrawal, S.R. Auvil, T.R. White, Membrane/Cryogenic Hybrid Systems for Helium Purification, in: Proc. Sixty-Seventh Gas Process. Assoc. Annu. Conv., Dallas, Texas, (1988): p. 251.

R. Agrawal, S.R. Auvil, S.P. DiMartino, J.S. Choe, J.A. Hopkins, Membrane/cryogenic hybrid processes for hydrogen purification, Gas Sep. Purif. 2 (1988) 9-15. doi: 10.1016/0950-4214(88)80036-7.

D. L. Bennett, R. Agrawal, P. J. Cook, New Pressure Drop Correlation for Sieve Tray Distillation Columns, AIChE J. 29 (1983) 434-442. doi: 10.1002/aic.690290313.