• Professor, Department of Chemical Engineering & Technology, IIT (BHU) Varanasi, August 2022 - Till Date

• Associate Professor, Department of Chemical Engineering & Technology, IIT (BHU) Varanasi, November 2019 - August 2022

• Associate Professor, Department of Chemical Engineering, IIT Guwahati, December 2016 - November 2019

• Assistant Professor, Department of Chemical Engineering, IIT Guwahati, July 2010 - December 2016

Patents

• Device For On-Site Generation of Ultra-Pure Hydrogen and Method Thereof Application No.: 202211068058

• A Trimetallic Catalyst for Generation of Hydrogen and A Method of Preparation Thereof Application No.: 202311057308 

• A Catalyst for Methane Steam Reforming Application No.:  202411074005

• A System for Hydrogen Separation and Utilization in A Pd-Ag/Cu Membrane Application No.: 202411081858

Book Chapters

• Book Chapter on "Measurement Techniques: Cold Flow Studies" in Coal and Biomass Gasification, Authors: Premkumar and Rajesh Kumar Upadhyay Editors: Santanu De, Avinash Kumar Agarwal, V.S. Moholkar, Bhaskar Thallada, Publisher: Springer 2017, ISBN: 978-981-10-7334-2

• Book Chapter on "Design of a Membrane Reactor for On-Site High Hydrogen Production" in Dynamics and Control of Energy Systems, Authors: Richa Sharma and Rajesh Kumar Upadhyay Editors: Achintya Mukhopadhyay, Dipankar Narayan Basu, Sirshendu Mondal, Swarnendu Sen, Publisher: Springer 2020.

• Book Chapter on “Steam Reforming Catalyst for Membrane Reformer” in Catalysis for Clean Energy and Environmental Sustainability, Author: Rajesh Kumar Upadhyay, Editors: K.K. Pant, S.K. Gupta, E. Ahmad, Publisher: Springer 2021

• Book Chapter on “Mass Transfer by Molecular Diffusion” in Nanotechnology for CO2 utilization in oilfield applications, Author: Somya Mishra, Rajesh Kumar Upadhyay, Editors: Tushar Sharma, Krishna Raghav Chaturvedi and Japan J. Trivedi, Publisher: ELSEVIER 2022

• Book Chapter on “Development of Reforming Catalyst for Hydrogen Production and Its Suitability for Proton Exchange Membrane Fuel Cell” in Sustainable Energy Generation and Storage, Authors: Punampriya Borgohain, Pankaj Tiwari, Rajesh K. Upadhyay, Editors: Vijayanand Suryakant Moholkar, Kaustubha Mohanty, Vaibhav V. Goud, Publisher: Springer 2023

In Refereed Journals
 

• Anjali Boudh, Rahul Sharma, Sweta Sharma, Rajesh Kumar Upadhyay, “Effect of Lanthanum and Iron Doping on Nickel‐Based Alumina and Ceria Supported Catalysts for Steam Reforming of Methane”, Chemistry Select, 9(19), e202401393, 2024. 

• Roushni Kumari, B. Kasina, R. Gupta, Rajesh Kumar Upadhyay, “Effect of Novel Mixed Impeller on Local Bubble Size and Flow Regime Transition in Pilot Scale Gas-Liquid Stirred Tank Reactor”, Chemical Product and Process Modeling, 19, 229, 2024

• Trilokpati Tribedi, Pankaj Tiwari, Harish Jagat Pant, Rajesh Kumar Upadhyay, “Solid Flow Mapping at the Bottom Section of a Pilot-Plant Scale Riser with the Help of a Radioactive Particle Tracking Technique”, Industrial & Engineering Chemistry Research, 62, 19133, 2023.

• Musaddique Mahfuz Ahmed, Rajesh Kumar Upadhyay, Pankaj Tiwari, “Techno economic comparison of combustor integrated steam reforming and sorption enhanced chemical looping steam reforming of methanol”, Chemical Engineering Research and Design, 192, 299, 2023. 

• Trilokpati Tribedi, Pankaj Tiwari, Harish Jagat Pant, Rajesh Kumar Upadhyay, “Solid Phase Macromixing Study in a Pilot-Scale Geldart Group B Circulating Fluidized Bed Riser Using Single Particle RTD and RPT Measurements”, ACS Engineering Au, 3, 165, 2023.

• Premsagar Pillajetti, Raghvendra Gupta, Sunil Goswami, Harish Jagat Pant, Nirvik Sen, Krishna Kumar Singh, Kalsanka Trivikram Shenoy, Rajesh Kumar Upadhyay, “Investigation of Velocity Field Inside a Single-Phase Pulsed Sieve Plate Column Using Radioactive Particle Tracking,” Industrial & Engineering Chemistry Research, 61, 15423, 2022.

• Trilokpati Tribedi, Premsagar Pillajetti, Roushni Kumari, Harish Jagat Pant, Pankaj Tiwari, Rajesh Kumar Upadhyay, “Measurements of Solid Velocity in a Pilot-Scale Geldart’s Group B Circulating Fluidized Bed Using a Radioactive Particle Tracking Technique”, Industrial & Engineering Chemistry Research, 61, 9110, 2022. 

• Somya Mishra, Rajesh Kumar Upadhyay, “Review on biomass gasification: gasifiers, gasifying mediums, and operational parameters,” Materials Science for Energy Technologies, 4, 329, 2021.

• Richa Sharma, Amit Kumar, Rajesh K Upadhyay, “Characteristics of a Multi-pass Membrane Reactor to Improve Hydrogen Recovery”, International Journal of Hydrogen Energy, 46, 14429, 2021.

• Jayashree Biswal, Sunil Goswami, Rajesh Kumar Upadhyay, Harish Jagat Pant, “Methods of Preparation of Microparticles for Radioactive Particle Tracking Experiments”, Applied Radiation and Isotopes, 168, 109380. 2021
• Lipika Kalo, H.J. Pant, Rajesh K. Upadhyay, “Validation of the Glicksman Scaling Law for Gas–Solid Conical Fluidized Beds Using the Radioactive Particle Tracking Technique”, Industrial & Engineering Chemistry Research, 59, 20943, 2020

• Lipika Kalo, P. Kamalanathan, H.J. Pant, M.C. Cassanello, Rajesh K. Upadhyay, “Mixing and regime transition analysis of liquid-solid conical fluidized bed through RPT technique”, Chemical Engineering Science, 207, 702-712, 2019.

• Richa Sharma, Amit Kumar, Rajesh K Upadhyay, “Bimetallic Fe‐Promoted Catalyst for CO‐Free Hydrogen Production in High‐Temperature‐Methanol Steam Reforming”, ChemCatChem, 11, 4568-4580, 2019.

• Rajesh K. Upadhyay, H.J. Pant, Shantanu Roy, “Experimental validation of design and performance parameters of radioactive particle tracking (RPT) experimentation”, Applied Radiation Isotope, 153, 108814, 2019.

• Lipika Kalo, H.J. Pant, M.C. Cassanello, Rajesh K Upadhyay, “Time series analysis of a binary gas-solid conical fluidized bed using radioactive particle tracking (RPT) technique data”, Chemical Engineering Journal, 377, 119807, 2019.

• Richa Sharma, Amit Kumar and Rajesh K Upadhyay, “Characteristic of a Multi-pass Membrane Separator for Hydrogen Separation through Self-Supported Pd Ag Membranes”, International Journal of Hydrogen Energy, 43, 5019-5032, 2018.

• Richa Sharma, Amit Kumar and Rajesh K Upadhyay, “Performance Comparison of Methanol Steam Reforming Integrated to Pd-Ag Membrane: Membrane Reformer vs. Membrane Separator”, Separation and Purification Technology, 183, 194-203, 2017.

• P. Kamalanathan, L. Kalo, H.J. Pant, Rajesh K. Upadhyay, “Effect of Dynamic Bias on Accuracy of Radioactive Particle Tracking (RPT) Measurement at Different Data Acquisition Frequencies”, Applied Radiation Isotopes, 128, 13-21, 2017.

• Varsha Jain, Lipika Kalo, Deepak Kumar, Harish J. Pant and Rajesh K. Upadhyay, "Experimental and Numerical Investigation of Liquid-Solids Binary Fluidized Bed: Radioactive Particle Tracking (RPT) technique and DDPM Simulations" Particuology, 33, 112-122, 2017.

• Richa Sharma, Amit Kumar and Rajesh K. Upadhyay, "Catalytic Sol Assisted Dense Pd/gamma-Al2O3 Membrane using Modified Electroless Plating: Effect of Process on Surface Morphology", Chemical Product and Process Modeling, 12, 10-28, 2016.

• Jayashree Biswal, Sunil Goswami, Harish J. Pant, Y R Bamankar, Tadipatri V Vittalrao, Rajesh K. Upadhyay, Ashutosh Dash, “Synthesis, Characterization, Neutron Activation and Application of Scandium Oxide Microsphere in Radioactive Particle Tracking Experiments”, Industrial and Engineering Chemistry Research,55(1),3-12, 2016.

• S. Jain, P. Saraswat, V. Jain, H.J. Pant, R.K. Upadhyay, “Investigation of Liquid-Solids Fluidized Bed of Different Particle Size through Radioactive Particle Tracking Technique”, Journal Radioanalytical and Nuclear Chemistry, 302 (3), 1309-1313, 2014.

• Rajesh K. Upadhyay, Shantanu Roy, H.J. Pant, “Liquid Flow Patterns in Rectangular Air-Water Bubble Column Investigated with Radioactive Particle Tracking”, Chemical Engineering Science, 96, 152-164, 2013.

• G. K. Veluswamy, Rajesh K. Upadhyay, R. P. Utikar, M. O. Tade, G.M. Evans, M. Glenny, Shantanu Roy and V. K. Pareek, “Hydrodynamic Study of Fluid Catalytic Cracker Unit (FCCU) Stripper”, Industrial and Engineering Chemistry Research, 52 (12), 4660-4671, 2013.

• Rajesh K. Upadhyay, Shantanu Roy, H.J. Pant “Benchmarking Radioactive Particle Tracking (RPT) with Laser Doppler Anemometry (LDA)”, International Journal of Chemical Reactor Engineering, 10 (1), S4, 2012.

• G. K. Veluswamy, Rajesh K. Upadhyay, R. P. Utikar, M. O. Tade, G.M. Evans, M. Glenny, Shantanu Roy and V. K. Pareek, “Hydrodynamics of a fluid catalytic cracking stripper using γ-ray densitometry”, Industrial and Engineering Chemistry Research (I&EC), 50 (10), 5933-5941, 2011.

• Rajesh K. Upadhyay and Shantanu Roy, “Investigation of Hydrodynamics of Binary Fluidized Beds via Radioactive Particle Tracking and Dual Source Densitometry”, Canadian Journal of Chemical Engineering, 88, 601-610, 2010.

• G. K. Veluswamy, Rajesh K. Upadhyay, R. P. Utikar, M. O. Tade, Shantanu Roy and V. K. Pareek, “ Hydrodynamic Study of Fluid Catalytic Cracker Unit (FCCU) Stripper”, ICMF 2010.

• Rajesh K. Upadhyay, Jayant Kaim and Shantanu Roy, “Investigation of Downflow Bubble Columns: Experiments and Modeling”, JCEJ, 42(1), s151-s161, 2009.

• H.J. Pant, V.K. Sharma, G. Singh, S.K. Saxena, K.V. Vimalnath, K.C. Jagdeesan, R.K. Upadhyay, S. Roy, “Preparation and application of single radioactive particles for particle tracking experiments in industrial flow systems”, Proceedings of DAE-BRNS symposium on nuclear and radiochemistry, 2009

• Rajesh K. Upadhyay and Shantanu Roy, “Simulation of Photon Emission Transmission and Detection for Radioactive Particle Tracking Experiments”, ICMM 2006, B.K. Kanungo, Minati Baral, Ram Pal Eds. 424-429, 2006.

 
 Conference (International)

• “Next Generation Radioactive Particle Tracking System: Experimental Validation of Resolution and Sensitivity”, Rajesh K. Upadhyay, Shantanu Roy and H.J. Pant, GLS-8, New Delhi, India, 16-19 December 2007. 

• “Investigation of Downflow Bubble Columns: Experiments and Modeling”, Rajesh K. Upadhyay, Jayant Kaim and Shantanu Roy, The 20^th International Symposium on Chemical Reaction Engineering, Kyoto, Japan, September 7-10, 2008.

• “Experimental Investigation of Binary Fluidized Beds Using Densitometry and Radioactive Particle Tracking ”, Rajesh K. Upadhyay and Shantanu Roy, CAMURE-7 and ISMR-6,  Montreal, Canada, 23-27 August 2009. 

• “Investigation of Binary Fluidized Beds”, Rajesh K. Upadhyay and Shantanu Roy, (A Keynote Lecture) GLS-9, Montreal, Canada, 23-27 August 2009.

• “Resolution, Sensitivity and Accuracy of the Radioactive Particle Tracking Technique”, Rajesh K. Upadhyay and Shantanu Roy, WCCE8, Montreal, Canada, 23-27 August 2009.

• “Tracking Solids in Gas-Solids Systems via Experiments and Modeling: RPT and DEM Studies”, Rajesh K. Upadhyay, S. Vaishali, Shantanu Roy, APT 2009, New Delhi, India, 14-16 September 2009. 

• “Hydrodynamic Study of Fluid Catalytic Cracking Unit (FCCU) Stripper”, G.K. Veluswamy, R.K. Upadhyay, R.P. Utikar, M.O. Tade, S. Roy, V.K. Pareek, ICMF 2010, Tampa, FL, May 30 – June 4, 2010.

• “Hydrodynamics of Binary Fluidized Beds: Dem Simulations and Experimental Validation”, Ashish Abhinit, Rajesh K. Upadhyay, Shantanu Roy, GLS-10, Braga, Portugal, 26-29 June 2011.

• “Application of the Radioactive Particle Tracking Technique to Pilot Plant Scale Vessels”, Rajesh K. Upadhyay, H.J. Pant, V. K. Sharma, Shantanu Roy, GLS-10, Braga, Portugal, 26-29 June 2011.

• “Investigation of Liquid Hydrodynamics in Two-Dimensional Air-Water Bubble Column with Radioactive Particle Tracking”, Rajesh K. Upadhyay, H.J. Pant, Shantanu Roy GLS-10, Braga, Portugal, 26-29 June 2011.

• “DEM-CFD Simulations for Liquid-Solids Binary Fluidized Bed with Experimental Validation by Using Radioactive Particle Tracking (RPT) Technique”, Varsha Jain, Deepak Kumar, Lipika Kalo, Rajesh K. Upadhyay, ISCRE 23 & APCRE 7, Bangkok, Thailand, 7-10 September 2014.

• “Numerical and Experimental Investigation of Conical and Cylindrical Gas-Solids Fluidized Bed with Head to Head Comparison”, Lipika Kalo, H.J. Pant and Rajesh K. Upadhyay, ISCRE 23 & APCRE 7, Bangkok, Thailand, 7-10 September 2014.

• “DDPM and Euler-Euler Simulations of Circulating fluidized bed and Experimental Validation through Radiotracer Techniques”, Premkumar Kamalanathan, H.J. Pant and Rajesh K. Upadhyay, ISCRE 23 & APCRE 7, Bangkok, Thailand, 7-10 September 2014.

• “Comparative Study on Pd Based Membrane Separator and Reformer: Effect of Membrane Stacking”, Richa Sharma, A. Kumar and R. K. Upadhyay, ISCRE 23 & APCRE 7, Bangkok, Thailand, 7-10 September 2014.

• “Numerical and Experimental Investigation of Circulating Fluidized Bed (CFB) at High Solid Fluxes”, Premkumar Kamalanathan, Rajani Kant Baro and Rajesh K Upadhyay, CAMURE-9 & ISMR-8, Lyon, France, 7-10 December 2014.

• “Hydrogen Recovery from a Palladium Membrane Reformer: Optimizing Reaction and Separation Effect”, R. Sharma, A. Kumar and Rajesh K. Upadhyay, CAMURE-9 & ISMR-8, Lyon, France, 7-10 December 2014.

• “Experimental and Numerical Investigation of Gas-Solid Fluidized Bed with Nozzle Spray from Side Wall”, J.S. Rawat, S. K.Baheshwar, Pankaj Tiwari, Rajesh K. Upadhyay, CAMURE-9 & ISMR-8, Lyon, France, 7-10 December 2014.

• “Experimental and Numerical Investigation of Mono and Binary Gas-Solids Conical Fluidized Bed”, Lipika Kalo, Rajesh K. Upadhyay, CAMURE-9 & ISMR-8, Lyon, France, 7-10 December 2014.

• “Hydrodynamic Characteristics of Liquid Solids Binary Fluidized Bed through Radiotracer Techniques and Euler-Lagrangian Simulation”, Lipika Kalo, Deepak Kumar, Varsha Jain, Rajesh K. Upadhyay, 12^th International Conference on Gas-Liquid & Gas-Liquid-Solid Reactor Engineering (GLS 12), New York, USA, June 28- July 1 2015.

• “Advanced CFD Modelling of Liquid-Solids Mono and Binary Conical Fluidized Bed with Experimental Validation Using Radiotracer Technique”, Lipika Kalo, Rajesh K. Upadhyay, 12^th International Conference on Gas-Liquid & Gas-Liquid-Solid Reactor Engineering (GLS 12), New York, USA, June 28- July 1 2015.

• “Insights of Liquid Cooled Pebble Bed Reactor through Experiments and CFD Simulations”, Rupesh Verma, Avinash Bombarde, H.J. Pant, Rajesh K. Upadhyay, 12^th International Conference on Gas-Liquid & Gas-Liquid-Solid Reactor Engineering (GLS 12), New York, USA, June 28- July 1 2015.

• “Experimental Study of Circulating Fluidized Bed Using Radioactive Particle Tracking Technique” Premkumar Kamalanathan, Trilok Tribedi, Rajesh K. Upadhyay, 12^th International Conference on Gas-Liquid & Gas-Liquid-Solid Reactor Engineering (GLS 12), New York, USA, June 28- July 1 2015.

• “A Comparative Study of Integration Approaches in a Palladium Membrane Reformer for Ultra-Pure H₂ Production” Richa Sharma, Amit Kumar, Rajesh K. Upadhyay, 4^th International Hydrogen & Fuel Cell Conference, AGRA 6-8 December 2015.

• “Methanol fed On-board Hydrogen Generator: Design, Material Synthesis and Integration”, Richa Sharma, Amit Kumar, Rajesh K. Upadhyay, 3rd INDO GERMAN WORKSHOP, Guwahati, 23-26 February 2016. (Awarded 2^nd Prize)

• “Investigation of circulating fluidized bed using radioactive particle tracking and Euler - Euler simulations”, Premkumar Kamalanathan, Trilokpati Tribedi and Rajesh K. Upadhyay, 3rd INDO GERMAN WORKSHOP, Guwahati, 23-26 February 2016. (Awarded 3^rd Prize)

• “Hydrogen separation using dense supported palladium membranes in a multi-tubular in-house membrane reactor”, Richa Sharma, Amit Kumar, Rajesh K. Upadhyay, SESTEC 7, Guwahati, 17-20 May 2016. (Best Paper Award)

• “CFD Simulation of Nozzle Assisted Gas-Solids Fluidized Bed with Experimental Validation” Jitendra Singh Rawat, P. Tiwari, Rajesh K. Upadhyay, CAMURE-10 and ISMR-9, Qingdao, China, 7-10 July 2017. (Best Poster Award)

• “Experimental Investigation of Nozzle Assisted Gas-Solid Fluidized Bed Using Gamma-ray Densitometry and Radioactive Particle Tracking Technique” Jitendra Singh Rawat, P. Tiwari, Rajesh K. Upadhyay, CAMURE-10 and ISMR-9, Qingdao, China, 7-10 July 2017.

• “Investigation of Gas-Solids Flow Behavior of Circulating Fluidized Bed Riser Using Pressure Fluctuations” Trilokpati Tribedi, Premkumar K, Rajesh K Upadhyay, CAMURE-10 and ISMR-9, Qingdao, China, 7-10 July 2017.

• “Investigation of Conical Gas-Solid Fluidized Bed through Radiotracer Technique: Time Series Analysis” Lipika Kalo, H.J. Pant, Rajesh K Upadhyay, CAMURE-10 and ISMR-9, Qingdao, China, 7-10 July 2017.

• “Low Temperature Methanol Steam Reforming using Cu-Fe Bi-metallic Catalysts” Richa Sharma, Amit Kumar, Rajesh K Upadhyay, CAMURE-10 and ISMR-9, Qingdao, China, 7-10 July 2017.

• “Integration of Synthesized Catalysts and Membrane in Packed and Fluidized Bed Membrane Reformer for Production of Hydrogen through Steam Reforming” Richa Sharma, Amit Kumar, Rajesh K. Upadhyay, 17 AIChE Annual Meeting, Minneapolis, USA, 29 Oct-3 Nov, 2017.

• “Membrane Reformers: Optimization of Catalysts and Membranes for Production of Ultra-Pure Hydrogen through Steam Reforming of Methanol” Richa Sharma, Amit Kumar, Rajesh K. Upadhyay, 17 AIChE Annual Meeting, Minneapolis, USA, 29 Oct-3 Nov, 2017.

• “Time Series Analysis of a Binary Gas-Solid Conical Fluidized Bed Using Radioactive Particle Tracking (RPT) Technique Data”, Lipika Kalo, H.J. Pant, Miryan C. Cassanello, Rajesh K Upadhyay, ISCRE 25, Florence, Italy 20-23 May 2018.

• “High Throughput Membrane Reactor for On-board Hydrogen Generation”, Richa Sharma, A. Kumar, Rajesh K Upadhyay, ISCRE 25, Florence, Italy 20-23 May 2018.

• “Effect of Single/Multiple Nozzle Injection through Sidewall on Flow Field of Gas-Solids Fluidized Bed”, Jitendra Singh Rawat, P. Tiwari, Rajesh K. Upadhyay, ISCRE 25, Florence, Italy 20-23 May 2018.
• ​“High Pressure Methanol Steam Reforming Catalyst for Membrane Reformer Application” Punampriya Borgohain, Pankaj Tiwari, Rajesh K. Upadhyay, APCAT-8, Bangkok Thaiand 4-7^th August 2019. (Oral Presentation)
• “Low Temperature Catalyst for Steam Reforming of Methanol” Punampriya Borgohain, Pankaj Tiwari, Rajesh K. Upadhyay, APCAT-8, Bangkok Thaiand 4-7^th August 2019. (Poster Presentation)

• “Investigation of Two-Phase Pulsed Sieve Plate Column through Experimental and Numerical Techniques” Pillajetti Premsagar, Raghavendra Gupta, H.J. Pant, Rajesh K Upadhyay, ISCRE-26, New Delhi India 5-8th December 2021. 

• “Preparation of Pd Alloy Al2O3 Membrane Using Hybrid Elctroless Plating and Magnetic Sputtering Methods for Separation of Ultra-Pure Hydrogen” Keshav Kumar, Amit Kumar, Rajesh Kumar Upadhyay, ISCRE-26, New Delhi India 5-8th December 2021.

• “Detailed Analysis of Solid Phase Velocity in a Pilot Plant Scale Circulating Fluidized Bed Riser Using Radioactive Particle Tracking Technique” Trilokpati Tribedi, Pankaj Tiwari, H.J. Pant, Rajesh Kumar Upadhyay, ISCRE-26, New Delhi India 5-8th December 2021.

• “Investigation of Gas-Solids Binary Fluidized Bed through Radioactive Particle Tracking Technique” Angela Tiwari, Rajesh Kumar Upadhyay, ISCRE-26, New Delhi India 5-8th December 2021. 

• “Experimental and Numerical Investigation of Gas-Liquid Stirred Tank Reactor with Dual Impeller” Roushni Kumari, Angela Tiwari, Raghvendra Gupta, Rajesh K. Upadhyay, H. J. Pant, ISCRE-26, New Delhi India 5-8th December 2021.
   

  
Conference (National)

• “Simulation of Photon Emission Transmission and Detection for Radioactive Particle Tracking Experiments”, Rajesh K. Upadhyay and Shantanu Roy, ICMM 2006, Sangrur, India, 3-4 March 2006.

• “Preparation and Application of Single Radioactive Particles for Particle Tracking Experiments in Industrial Flow Systems”, H.J. Pant, S.K. Saxena, Rajesh K. Upadhyay, Shantanu Roy, V.K. Sharma, Gursharan Singh, NUCAR 2009, Mumbai, India, 7-10 January 2009. 

• “Study of Pebble Bed Reactor: DPM Simulation and Experimental Validation” Bhanwar S. Chauhan, Mahesh S. Sangade, H.J. Pant and Rajesh K. Upadhyay, CHEMCON 2011, Bangalore, India, 26-30 December, 2011.

• “DPM Simulations and Experimental Validation of Liquid Cooled Pebble Bed Reactor”, T. K. Bulchandani, B. Singh, H.J.Pant, N.K.Maheshwari, I.V.Dulera and Rajesh K. Upadhyay, CHEMCON 2012,  Jalandhar, India, 27-30 December, 2012.

•  “Euler-Euler Simulation and Experimental Validation of Turbulent Model in Bubble Column Using Gamma-Ray Densitometry”, S. Basak, Rajesh K. Upadhyay, CHEMCON 2012, Jalandhar, India, 27-30 December, 2012.

• “Performance of Palladium Membrane Based Hydrogen Generator cum Separator”, Richa Sharma, Amit Kumar and Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013. (Best Paper Award)

• “Bubble column Euler-Euler simulation: Hydrodynamic parameter investigation”, Karan Malik and Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013.

• “Conical vs. Cylindrical fluidized bed: CFD Simulations and Experimental Validation”, Lipika Kalo, Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013.

• “Comparative Studies of Conventional and EMMS based Drag Closures for Prediction of Meso- scale Structures in Circulating Fluidized Bed”, Premkumar.K and Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013.

• “Assessment of Hydrogen Production from Underground Coal Gasification”, Sonit Balyan, PankajTiwari and Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013.

• “Investigation of Liquid-Solids Fluidized Bed of Different Particle sizes through Radioactive Particle Tracking Technique”, Shubham Jain, Priyam Saraswat, Varsha Jain, Rajesh K. Upadhyay, NAC V, Mumbai, India, 20-24 January, 2014.

• “Investigation of Liquid Cooled Pebble Bed Reactor through CFD Simulations”, Rupesh Verma, Avinash bombarde, H. J. Pant and Rajesh K. Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.

• “Investigation of the Material Distribution of Solids in Gas-Solid Fluidized Bed Column with Side Wall Nozzle Assembly”, J.S. Rawat , Pankaj Tiwari, Rajesh K. Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.

• “Investigation of Liquid Cooled Pebble Bed Reactor through Gamma-ray Densitometry Techniques”, Avinash Bombarde , Rupesh Verma  and Rajesh Kumar Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.

• “Study of Binary Liquid-Solids Fluidized Bed Using Radioactive Particle Tracking (RPT) Technique”, Deepak Kumar, Lipika Kalo and Rajesh Kumar Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.

• “Process Optimization of Palladium Membrane Performance for Hydrogen Separation”, R. Sharma, A. Kumar and R. K. Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.

• “Experimental Verification of EMMS Drag Model for Heterogeneous Gas-Solid Flows in a CFB Riser with Gamma Densitometry”, Rajani Kant Baro, Premkumar Kamalanathan and Rajesh Kumar Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.

• “Experimental and Numerical Investigation of Underground Coal Gasification (UCG)”, P. Premsagar, Sonit Balyan, Pankaj Tiwari, Rajesh Kumar Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.

• “Integration Approaches in a Palladium Membrane Reactor for Ultra-Pure H2 Production” Richa Sharma, Amit Kumar, Rajesh K. Upadhyay, CHEMCON 2015, Guwahati, India, 27-30 December, 2015.

• “Dense discrete phase model (DDPM) simulations of circulating fluidized bed riser”, Premkumar Kamalanathan, Trilokpati Tribedi and Rajesh K. Upadhyay, CHEMCON 2015, Guwahati, , India, 27-30 December, 2015.

• “Application of Radiotracer Technique to Analyze Flow Dynamics of Gas-Solids Reactors” T. Tribedi, L. Kalo, H.J.Pant, P. Tiwari, R.K. Upadhyay, RRU-2022, Mumbai, India, 6-7th May 2022. 

• “Application of Gamma-Ray Densitometry Technique on Gas-Liquid Reactors”, Roushni Kumari, P. Premsagar, Rajesh Kumar Upadhyay, 

• “Applications of Radioactive Particle Tracking Technique for Flow Visualization in Industrial Process System” D. Jaiswal, H. J. Pant, R. K. Upadhyay, RRU-2022, Mumbai, India, 6-7th May 2022.
   

Sponsored

• Development of a 10 kW Membrane Reformer Prototype for Production of Fuel Cell Grade Green-Hydrogen for Power Generation in Year 2023 to 2025, Department of Science and Technology, Amount: INR 396.02 Lakhs

• Study of Solid Hydrodynamics in an Elevated Temperature Gas-Solid Fluidized Bed with Secondary Gas Injection through Side Wall Pneumatic Nozzles in Year 2023 to 2026, Board of Research in Nuclear Sciences, Amount: INR 89.6 Lakhs

• Preparation of Dense Pd/Pd-Alloy Membrane and Optimization of Multi-Pass Membrane Separator to Separate Ultra-Pure Hydrogen for Onsite Application in Year 2021 to 2024, Agency: SERB, Amount: 42.576 Lakhs

• Development of Natural Gas Based Membrane Reformer for Fuel Cell Grade Hydrogen Production in Year 2021 to 2023, Agency: GAIL (India) Limited, Amount: 121.54 Lakhs  

• Measurement of gas holdup in Gas-Solid and Gas-Liquid system by Using Gamma-ray Densitometry in Year 2019 to 2021, Agency: IIT (BHU) Varanasi, Amount: INR 10 Lakhs

• Investigation of Flow Behaviour of Pulsed Sieve Plate Column through Radiotracer Based Techniques in Year 2018 to 2021, Agency: Board of Research in Nuclear Sciences, Amount: INR 33.755 Lakhs

• Design and Development of a Membrane Reformer Prototype for Production of Ultra-Pure Hydrogen from Methanol for Fuel Cell Based Vehicle and Power Generators in Year 2016 to 2020, Agency: Department of Science and Technology, India, Amount: INR 115 Lakhs

• Studies on shear thickening suspensions for liquid body armor applications in Year 2016 to 2018, Agency: Defence Research Development Organisation, India, Amount: INR 40 Lakhs

• Dense Palladium membrane preparation using porous SS and ceramic supports for an in-house membrane test rig in Year 2015 to 2016, Agency: Defence Research Development Organisation, India, Amount: INR 10 Lakhs

• Application of Radiotracer Techniques in Design of Circulating Fluidized Bed (CFB)/FCCU for Higher Production of Propylene in Year 2014 to 2017, Agency: Board of Research in Nuclear Sciences, Amount: INR 25 Lakhs

• Study of Interaction between Pneumatic Spray Nozzle and Bubbling Gas Fluidized Bed Using Radioactive Particle Tracking (RPT) and Gamma-ray Densitometry in Year 2014 to 2017, Agency: Board of Research in Nuclear Sciences, Amount: INR 32 Lakhs

• Visualization of Pebbles Movement in IHTR by Using Radioisotope Techniques in Year 2011 to 2014, Agency: Board of Research in Nuclear Sciences, Amount: INR 25 Lakhs

• Design and fabrication of Palladium membrane-based hydrogen separation system in Year 2011 to 2014, Agency: Defence Research Development Organisation, India, Amount: INR 50 Lakhs

• Development of Gamma-ray Densitometry for Studying Multiphase Flows in Year 2010 to 2013 Agency: IIT Guwahati, Amount: INR 5 Lakhs

 
Consultancy

• Experimental Study for Generation of Green Hydrogen through Sea Water Electrolysis, Year 2024-2026, Agency: Sun Petrochemicals Pvt. Ltd. Mumbai, Amount: INR 70.17 Lakhs

• Production of Methanol from Natural Gas by Direct Method, Year 2023-2025, Agency: Sun Petrochemicals Pvt. Ltd. Mumbai, Amount: INR 50.35 Lakhs

• Production of Blue Hydrogen from Heavy Oil, Year 2023-2025, Agency: Sun Petrochemicals Pvt. Ltd. Mumbai, Amount: INR 26.75 Lakhs

• Separation of Nitrogen being Produced with Natural Gas, Year 2023-2024, Agency: Sun Petrochemicals Pvt. Ltd. Mumbai, Amount: INR 18.88 Lakhs

• Design and Operation of Fluidized Bed Reactor for Methane Pyrolysis, Year 2022-2024, Agency: Clean Hydrogen Technology, USA, Amount: INR 60 Lakhs 

• Possibility of Replacing Coal with Hydrogen in Cement Industry, Year 2022-2023, Agency: Johnson Prism Cement, Amount: 7.5 Lakhs

• Screening of Catalyst for Natural Gas Pyrolysis, Year 2022-2023, Agency: Clean Hydrogen Technology, USA, Amount: INR 7.5 Lakh

• Laboratory Studies for Chemical and CO₂ EOR Flooding Scheme to maximize recovery from the reservoir in OIL’s Operation Area  in Year 2019 to 2021 Agency: OIL India Ltd., Amount: INR 49 Lakhs

• Development of Methodology for production of Ammonium bicarbonate from Urea in Year 2017 to 2018, Agency: M/S North East Chemicals, India, Amount: INR 7.79 Lakhs

• Kinetic Study for producing HCl, Sodium Bi-Carbonate & Ammonium Sulfate from NaCl, H₂SO₄ & Ammonium Bi-Carbonate in Year 2016 to 2017, Agency: M/S Garima Industries, India, Amount: INR 15.87 Lakhs

• QIP STC on “Decoding the Decoding the Flow Behavior of Multiphase Flow Reactors through Experimental and Numerical Tools” in January 2021.

• Organized GIAN course on “Density Functional Theory for Heterogeneous Catalysis” in the year 2018

• Organized QIP STC on “Multiphase Flow Reactors Insights through Experimental and CFD Techniques” in the year 2014

• Organized TEQIP STC on “Multiphase Flow in Oil and Gas Industries” in the year 2016

• Developed two MOOCs Courses on “Multiphase Flows” and Measurement Techniques in Multiphase Flows”

Awards

• IFFCO Chair Professor, 2024

• 1994 Alumni Research Excellence Fellowship Award, 2022

• Mokshagundam Vishweshwarayya Engineers Award, 2019

• Best Poster Award in CAMURE-10 and ISMR-9 International Conference Held in Qingdao, China from 7-10 July 2017.

• 2^nd and 3^rd Best Poster Award in 3rd Indo German Workshop on "Advances in Materials, Reaction & Separation Processes", 23-26 February, 2016

• Best Paper Award in SESTEC 2016, May 17-20 2016, India.

• Department of Science and Technology Young Scientist Travel Award in Year 2015

• Best Paper Award in CHEMCON 2013, Mumbai, India, 27-30 December, 2013.

• Silver Medal in under-graduate study (first rank in class of 60).

• Two Times Best Project Award in Chemical Engineering Department’ in Year 2008 and 2009

Invited Talks

• Invited Lecture in International Conference SESTEC -7 on “Palladium Based Membrane Separator for Generation of Ultra-Pure Hydrogen: Design, Preparation and Testing”, 2016

• Invited Lecture in International Workshop on Aspects of Fluidized Bed Technology on “Investigation of Flow Behavior of Circulating Fluidized Bed (CFB) at Two Different Scales”, 2016                            

• Invited Lecture in Malaviya Lecture Series on "Advances in Chemical Engineering", IIT BHU, March, 2015                                                  

• Invited Lecture in BRNS Workshop on "Applications of Radioisotopes and Radiation Technology in Industry and Healthcare", October 2015

• Invited Lectures in IAEA/RCA Course on Radioactive Particle Tracking in New Delhi, India, October 2011.

• Invited Lecture in Indo-US Workshop on “Emerging Issues in Energy and Environmental Security: Challenges and Research Opportunity”, December 2011.

• Invited Lecture in AICTE Sponsored QIP-STC program on “Introduction to Multiphase Flow: Computation & Experimental Validation” December 2010.

Current Ph.D. Students

• Sachin Kumar Vishwakarma 
• Anjali Boudh 
• Abhishek Kumar
• Roushni Kumari
• Trilokpati Tribedi
• Keshav Kumar
• Punam Borgohain
• Premsagar Pillajetti 

Current M.Tech Students

• Ashutosh Pandey
• Vishal Kumar Rajabhai Khernar
• Meenakshi Garjola
• Omkar Pratape