Dr. H.R. Ghatak




Chemical Engineering

Educational Qualification

PhD: (2011) SLIET Longowal
M.E.: (1991) University of Roorkee (Now IIT Roorkee)
B.E.: (1989) University of Roorkee (Now IIT Roorkee)


Professor: SLIET Longowal since November 2014
Associate Professor: SLIET Longowal from January 2006 to November 2014
Assistant Professor: SLIET Longowal From March 1999 to December 2005
Lecturer : SLIET Longowal From July 1995 to March 1999
Shift Incharge: Nepa Ltd. July 1991 to July 1995

Book authored

1. Ghatak H.R.; “Isolation of lignin from alkaline pulping liquors”; in Paterson, R.J., Ed. “Lignin: properties and applications in biotechnology and bioenergy”. Nova Science Publishing Inc.; New York, USA. ISBN 978-1-61122-907-3, pp 257-278.
2. Ghatak H.R.; “Reaction Engineering Principles”. CRC Press, Taylor and Francis Publication. ISBN 9781498758567.


“Process for large scale hydrogen production from renewable sources”. Indian patent No. 261567


International Journals (Science Citation Indexed)
1. Reddy,
I.A.K., and Ghatak H.R., “Low-temperature thermal degradation behaviour of non-wood soda lignins and spectroscopic analysis of residues”; Journal of Thermal Analysis and Calorimetry (Springer publication), In press, DOI 10.1007/s10973-017-6912-1. Imp. Factor 1.953.
2. Singh,
S., and Ghatak H.R., “Process optimization of lignin conversion into value added chemicals by thermochemical pretreatment and electrooxidation on a stainless steel anode”; Holzforschung (De Gruyter publication), In press, DOI 10.1515/hf-2017-0108. Imp. Factor 1.868.
3. Tripathi,
S.K., Bhardwaj, N.K., and Ghatak H.R., “Determination of main parameters affecting ozone bleaching of wheat straw pulp using Plackett–Burman design”; Ozone: Science and Engineering (Taylor & Francis publication), In press, DOI 10.1080/01919512.2017.1352483. Imp. Factor 0.892.
4. Singh,
S., and Ghatak H.R., “Vanillin formation by electrooxidation of lignin on stainless steel anode: kinetics and byproducts”; Journal of Wood Chemistry and Technology (Taylor & Francis publication), 37: 407-422; 2017. Imp. Factor 1.549.
5. Ghatak H.R., “Comparative removal of commercial diclofenac sodium by electro-oxidation on platinum anode and combined electro-oxidation and electrocoagulation on stainless steel anode”; Environmental Technology (Taylor & Francis publication), 35(19): 2483-2492; 2014. Imp. Factor 1.751.
6. Ghatak H.R., “Advanced oxidation processes for the treatment of biorecalcitrant organics in wastewater”; Critical Reviews in Environmental Science & Technology (Taylor & Francis publication), 44(11): 1167-1219; 2014. Imp. Factor 5.790.
7. Ghatak H.R., “Iron complexated lignin from electrolysis of wheat straw soda black liquor and its characterization”; Industrial Crops and Products (Elsvier publication), 43:738-744; 2013. Imp. Factor 3.181.
8. Ghatak H.R., “Biorefineries from the perspective of sustainability: Feedstocks, products, and processes”; Renewable and Sustainable Energy Reviews (Elsvier publication), 15(8): 4042-4052; 2011. Imp. Factor 8.050.
9. Ghatak, H.R., Kundu, P.P. and Kumar, S., “Thermochemical comparison of lignin separated by electrolysis and acid precipitation from soda black liquor of agricultural residues”; Thermochimica Acta (Elsvier publication), 502(1-2): 85-89; 2010. Imp. Factor 2.236.
10. Ghatak, H.R.; “Economic potential of black liquor electrolysis as a treatment option for small agro based mills”; TAPPI Journal (USA), 8(11): 4-11; 2009. Imp. Factor 0.788.
11. Ghatak, H.R.; “Reduction of organic pollutants with recovery of value added products from soda black liquor of agricultural residues by electrolysis”; TAPPI Journal (USA), 8(7): 4-10; 2009. Imp. Factor 0.788.
12. Ghatak, H. R., Kumar, S., and Kundu, P.P.; “Electrode processes in black liquor electrolysis and their significance for hydrogen production”; International Journal of Hydrogen Energy (Elsvier publication), 33(12): 2904-2911; 2008. Imp. Factor 3.582.
13. Ghatak, H. R.; “Spectroscopic comparison of lignin separated by electrolysis and acid precipitation of wheat straw soda black liquor”; Industrial Crops and Products
(Elsvier publication), 28(2): 206-212; 2008. Imp. Factor 2.468.
14. Ghatak, H. R.; “Electrolysis of black liquor for hydrogen production: some initial findings”; International Journal of Hydrogen Energy (Elsvier publication), 31(7): 934-938; 2006. Imp. Factor 3.582.
15. Ghatak, H. R.; “A comminution model for laboratory beating”. APPITA Journal (Australia), 58(2): 127-129; 2005. Imp. Factor 0.437.
16. Ghatak, H.R.; “Analysis of Laboratory Beating by fiber settling time frequency distributions”; TAPPI Journal (USA): 2(11): 3-6; 2003. Imp. Factor 0.788.
17. Ghatak, H.R.; “Paper making potential of Congress Grass: Pulpability and Fiber characteristics”; TAPPI Journal (USA): 1(1): 24-27, 2002. Imp. Factor 0.788.


Ongoing projects:
“Synthesis of value added organic chemicals by electrolytic oxidation of soda agroresidue black liquor”. Sponsored by CSIR, Govt. of India.

Research interests:
• Industrial Pollution Control and Cleaner Production
• Hydrogen energy
• Energy from industrial wastes and biomass
• Biorefineries