Education:
  •  Doctor of Philosophy, Indian Institute of Technology Kharagpur, Kharagpur (2004)
  •  M.Ch.E. in Chemical Engineering, Jadavpur University  (1999)
  •  B. Tech. in Chemical Engineering, University of Calcutta (1997)
  •  B.Sc. in Chemistry (Hons), Narendrapur R.K. Mission Res. College, University of Calcutta (1994)
Key Research Areas:
  • Separations with chemical reaction
  • CO2 separation using membrane contactors
  • CO2 seperation by CO2 selective polymeric membranes
  • Natural Gas Purification by CO2 selective silica membranes
  • Wastewater treatment
Present and Past Positions Held:
  • Professor, Department of Chemical Engineering, IIT Guwahati, April 2014 onwards
  • Associate Professor, Department of Chemical Engineering, IIT Guwahati, November 2008 to March 2014
  • Assistant Professor, Department of Chemical Engineering, IIT Guwahati, June 2004 to October 2008
  • Senior Lecturer, Department of Chemical Engineering, IIT Guwahati , September 2003 to May 2004
  • Visiting Research Professor, William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, USA, May – July, 2017
  • Visiting Scientist, William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, USA, June 2006 to June 2007
Invited Lectures:
  • Invited Lecture on “Post-combustion CO2-capture by amine based solvents and Metal Organic Frameworks adsorbents”, Indo-US and Indo-Canada Joint Symposium, CHEMCON 2016, December 27-30, 2016, Chennai, INDIA.
  • Invited Lecture on “Cellulose Acetate/Carbon Nanotube Mixed Matrix Membrane for CO2 Separation”, GIFU-IIT Guwahati Joint Symposium, August 03, 2016, Kyoto, JAPAN.
  • Invited Lecture on “Novel Amine/Chitosan thin-film composite membrane for CO2 separation from flue gas”, GIFU-IIT Guwahati Joint Symposium, August 01-02, 2016, GIFU, JAPAN.
  • Invited Lecture on “Post-combustion CO2-capture by amine based solvents, CO2-selective membranes and Metal Organic Frameworks adsorbents”, March 28, 2016, Thapar University Patiala, Punjab, INDIA.
  • Keynote Lecture on “CO2-selective dense polymer membrane and Metal Organic Frameworks based adsorption processes for CO2-capture: Challenges and Prospects” during 48th Engineers Day-2015 Celebration, September 15, 2015, Numaligarh Refinery Limited, Assam, INDIA.
  • Invited Lecture on “Gaseous Pollutants and Removal Technologies: An Overview”, TEQIP-STC cum Workshop on Emerging Micropollutants in the Environment: Occurrence, Transportation, Monitoring and Treatment, Department of Chemical Engineering, IIT Guwahati, March 02-05, 2015.
  • Invited Lecture on “Mass Transfer in Polymers: Diffusion, Sorption and Gas Permeability”, TEQIP sponsored Short-term Course on Transport Processes and Optimization Techniques in Polymers”, Department of Chemical Engineering, IIT Guwahati, December 15-20, 2014.
  • Invited Lecture on “Application of Membrane on Gas Separation and its Future Directions”, TEQIP sponsored Short-term Course on Membrane Technology and Application, Centre for the Environment, IIT Guwahati, December 09-10, 2014.
  • Invited Lecture on “CO2-selective dense polymer membranes and Metal Organic Frameworks for post-combustion CO2-capture as well as Wastewater Treatment by Adsorption”, International Conference on Chemical Industries (ICCI-2014), August 22-23, 2014, PDPU, Gandhinagar, INDIA
  • Invited Lecture on 'CO2-selective dense polymeric membranes for post-combustion CO2-capture: Challenges and Prospects' in the Symposium on Advances in Sustainable Polymers (ASP-14), January 10-11, 2014 IIT Guwahati, INDIA.
  • Keynote Lecture on 'CO2 Emission Reduction Technologies: Challenges and Prospects' in The Energy System Modeling and Optimization Conference (ESMOC 2013), Dec 9-11, 2013 Durgapur, INDIA.
  • Plenary Lecture on 'Application of Membrane Separation in CO2 Capture' in the Conference 'Carbon Dioxide capture and Sequestration - Challenges for Engineers (NCCS 09)', Gujarat, March 07, 2009.
  • Gas separation and purification for the short-term course in the Department of Chemical Engineering,  IIT Guwahati, Guwahati, India, December, 2007.
  • Advances of amine processes for industrial off gas treating for the short-term course in the Department of Civil Engineering, IIT Guwahati, Guwahati, India, December, 2007.
  • Advances of membrane processes for acid gas purification for the short-term course in the Department of Civil Engineering, IIT Guwahati, Guwahati, India, December, 2007.
  • Cryogenic separation and purification by mass transfer operations for the Short-term Course in the Department of Physics, IIT Guwahati, Guwahati, India, June, 2005.
  • Separation by absorption: modeling and application for the short-term course in the Department of Chemical Engineering, IIT Guwahati, Guwahati, India, December, 2004.
Reviewers of Journal:
  • Environmental Science & Technology, ACS
  • Industrial & Engineering Chemistry Research, ACS
  • Journal of Chemical and Engineering Data, ACS
  • Energy & Fuels, ACS
  • International Journal of Hydrogen Energy, Elsevier
  • Separation and Purification Technology, Elsevier
  • Computers and Chemical Engineering, Elsevier
  • Chemical Engineering Science, Elsevier
  • Journal of Hazardous Material, Elsevier
  • Chemical Engineering Journal, Elsevier
  • Journal of Membrane Science, Elsevier
  • Journal of Molecular Liquids, Elsevier
  • Fluid Phase Equilibria, Elsevier
  • Bioresource Technology, Elsevier
  • Chemosphere, Elsevier
  • Desalination, Elsevier
  • Fuel, Elsevier
  • Thermochimica Acta, Elsevier
  • Microporous & Mesoporous Materials, Elsevier
  • Journal of Environmental Engineering, Elsevier
  • Journal of Chemical Thermodynamics, Elsevier
  • Journal of Industrial and Engineering Chemistry, Elsevier
  • Journal of Taiwan Institute of Chemical Engineers, Elsevier
  • International Journal of Greenhouse Gas Control, Elsevier
  • Journal of the Taiwan Institute of Chemical Engineers, Elsevier
  • AIChE Journal, Wiley
  • Asia-Pacific Journal of Chemical Engineering, Wiley
  • Journal of Applied Polymer Science, Wiley
  • CLEAN- Soil, Air, Water: Wiley
  • Chemical Engineering & Technology, Wiley-VCH
  • Journal of Materials Chemistry A, RSC
  • Physical Chemistry Chemical Physics, RSC
  • Chemical Communications, RSC
  • RSC Advances, RSC
  • Chemical Engineering Communications, Taylor & Francis
  • Separation Science and Technology, Taylor & Francis
  • International Journal of Thermophysics, Springer
  • Korean Journal of Chemical Engineering, Springer
  • Journal of Surfactants and Detergents, Springer
  • Applied Water Science, Springer
  • Chemical Papers, Springer
  • Chemical Product and Process Modeling, Berkeley Electronic Press
  • Canadian Journal of Chemistry, NRC Canada
  • Journal of Environmental Engineering, ASCE
  • Brazilian Journal of Chemical Engineering, BSCE
Member of Professional Bodies:
  • Life Member of Indian Society for Technical Education (ISTE)
  • Life Member of Indian Institute of Chemical Engineers (IIChE)
  • Member, North American Membrane Society (NAMS)