Faculty Profile

Asim Riaz
Assistant Professor
PhD

Engr. Dr. Asim Riaz obtained his Ph.D. degree from Sungkyunkwan University, Republic of Korea, in 2019. He is currently serving as an Assistant Professor at the Institute of Chemical and Environmental Engineering at Khawaja Fareed University of Engineering and Information Technology, Rahim Yar Khan. Previously, he worked as a Postdoctoral Researcher in the Renewable Energy Laboratory at the Korea Institute of Energy Research, Republic of Korea. He has extensive experience, spanning five years, in the chemical industry. His research interests include biomass conversion into valuable products and fuels, particularly using supercritical fluid technologies.

  1. A. Riaz, CS. Kim, Y. Kim, J. Kim, “High-yield and high-calorific bio-oil production from concentrated sulfuric acid hydrolysis lignin in supercritical ethanol”, Fuel, 2016, 172, 238-247. (IF: 6.609), DOI: https://doi.org/10.1016/j.fuel.2015.12.051
  2. H. Zeb, A. Riaz, J. Kim, “Understanding the effect of biomass-to-solvent ratio on macroalgae (Saccharina japonica) liquefaction in supercritical ethanol”, Journal of Supercritical Fluids, 2017, 120, 65-74 (IF: 4.577), DOI: https://doi.org/10.1016/j.supflu.2016.10.013
  3. M.J. Hidajat, A. Riaz, J. Park, R. Insyani, D. Verma, J. Kim, “Depolymerization of Concentrated Sulfuric Acid Hydrolysis Lignin to High-yield Aromatic Monomers in Basic Sub- and Supercritical Fluids”, Chemical Engineering Journal, 2017, 317, 9-19 (IF: 13.273), DOI: https://doi.org/10.1016/j.cej.2017.02.045
  4. M.K. Khan, A. Riaz, M. Yi, J. Kim, “Removal of naphthenic acids from high acid crude via esterification with methanol”, Fuel Processing Technology, 2017, 165, 123-130 (IF: 7.033), DOI: https://doi.org/10.1016/j.fuproc.2017.05.015
  5. H. Zeb, A. Riaz, J. Kim, “Effective conversion of the carbohydrate-rich macroalgae (Saccharina japonica) into bio-oil using low-temperature supercritical methanol”, Energy conversion and Management, 2017, 151, 357-367. (IF: 9.709), DOI:https://doi.org/10.1016/j.enconman.2017.08.092
  6. H. Zeb, J. Park, A. Riaz, C. Ryu, J. Kim, “High-yield bio-oil production from macroalgae (Saccharina japonica) in supercritical ethanol and its combustion behavior” Chemical Engineering Journal, 2017, 327, 79-90 (IF: 13.273), DOI:https://doi.org/10.1016/j.cej.2017.06.078
  7. J. Park, A. Riaz, R. Insyani, J. Kim, “Understanding the relationship between the structure and depolymerization behavior of lignin”, Fuel, 2018, 217, 202–210 (IF: 6.609), DOI: https://doi.org/10.1016/j.fuel.2017.12.079
  8. A. Riaz, M.J. Hidajat, J. Kim, “A two-step approach for producing oxygen-free aromatics from lignin using formic acid as a hydrogen source”, Chemical Engineering Journal, 2018, 348,799–810 (IF: 13.273), DOI: https://doi.org/10.1016/j.cej.2018.05.036
  9. A. Riaz, D. Verma, H. Zeb, J.H. Lee, J.C. Kim, S.K. Kwak, J. Kim”, “Solvothermal liquefaction of alkali lignin to obtain a high yield of aromatic monomers while suppressing solvent consumption” Green Chem., 2018, 20, 4957-4974 (IF: 10.18), DOI: https://doi.org/10.1039/C8GC02460J
  10. V. Ranaware, D. Verma, R. Insyani, A. Riaz, S.M. Kim, J. Kim, “Highly-efficient and magnetically-seperable ZnO/Co@ N-CNT catalyst for hydrodeoxygenation of lignin and its derived species under mild conditions” Green Chem., 2019, 21, 1021-1042 (IF: 10.18), DOI: https://doi.org/10.1039/C8GC03623C
  11. J. Park, A. Riaz, D. Verma, H.J, Lee, H.M. Woo, J. kim, “Fractionation of lignocellulosic biomass over core‐shell Ni alumina catalysts with formic acid as a co‐catalyst and hydrogen source”, ChemSusChem., 2019, 12, 1743–1762, (IF: 9.14), DOI: https://doi.org/10.1002/cssc.201802847
  12. R. Mujahid, A. Riaz, R. Insyani, J. Kim, “A centrifugation first approach for recovering high-yield bio-oil with high calorific values in biomass liquefaction: a case study of sewage sludge”, Fuel. 2020, 262, 116628, (IF: 6.609), DOI: https://doi.org/10.1016/j.fuel.2019.116628
  13. U. Mushtaq, J. Park, A. Riaz, V. Ranaware, K. Khan, D. Verma, J. Kim, “High-yield production of deoxygenated monomers from Kraft lignin over ZnO-Co/N-CNTs in water” ACS Sustainable Chem. Eng, 2020, (IF: 8.198), DOI: https://doi.org/10.1021/acssuschemeng.0c08664
  14. U. Azhar, M. S. Bashir, M. Babar, M. Arif, A. Hassan, A Riaz, R. M. Mujahid, M. Sagir, S. Ullah Khan Suri, P. L. Show, J. Chang, K. S. Khoo, M. Mubashir, “Template-based textural modifications of polymeric graphitic carbon nitrides towards wastewater treatment”, Chemosphere. 2022, 302, 134792, (IF: 7.086), DOI:https://doi.org/10.1016/j.chemosphere.2022.134792
  15. A. Javed, A. Hassan, M. Babar, U. Azhar, A. Riaz, R. Mujahid, T. Ahmad, M. Mubashir, H. R. Lim, P. L. Show and K. S. Khoo, “A Comparison of the Exergy Efficiencies of Various Heat-Integrated Distillation Columns”, Energies. 2022, 15, 6498, (IF: 3.252), DOI: https://doi.org/10.3390/en15186498
  16. T. Ahmad, J. Iqbal, M. A. Bustam, M. Babar, M. Bilal Tahir, M. Sagir, M. Irfan, H. M.A. Asghar, A. Hassan, A. Riaz, L. F. Chuah, A. Bokhari, M. Mubashir, P. L. Show, “Performance evaluation of phosphonium based deep eutectic solvents coated cerium oxide nanoparticles for CO2 capture” Environmental Research. 2023, 222, 115314, (IF: 8.431), DOI: https://doi.org/10.1016/j.envres.2023.115314
  17. S. Hafiza, A. Riaz, Z. Arshad, S. T. Zahra, J. Akhtar, S. Kanwal, H. Zeb, J. Kim, “Effect of pyrolysis temperature on the physiochemical properties of biochars produced from raw and fermented rice husks” Korean J. Chem. Eng. 2023, (IF: 3.146), DOI: https://doi.org/10.1007/s11814-023-1465-4

Non-ISI indexed Journal Publications:

  1. A. Riaz, J. Kim, “A Complete, Reductive Depolymerization of Concentrated Sulfuric Acid Hydrolysis Lignin into a High Calorific Bio-oil using Supercritical Ethanol”, Korea Electric Power Corporation,2016, 2, 447-452, DOI: https://doi.org/10.18770/KEPCO.2016.02.03.447
  2. H. Sana, M. A. Hussain, R. Mujahid, A. Riaz, M. S. Akram, B. Haider, A. Ahsan, S. Kanwal, H. Zeb “Cleaning of Thar coal by froth flotation and water washing”. Journal of the Pakistan Institute of Chemical Engineers, 50(2). https://doi.org/10.54693/piche.05024 

Book Chapters:

  1. H. Zeb, A. Riaz, “Introduction to Organic–Inorganic Nanohybrids” Materials Horizons: From Nature to Nanomaterials, 2022, DOI:10.1007/978-981-19-4538-0_1
  2. Cryogenic-fractionation for carbon capture (Accepted), Elsevier Publishers.
  3. Hollow-fiber membranes for carbon capture and separation (Accepted), Elsevier Publishers.
  4. Carbon Dioxide: History, Chemistry, Properties, and Industrial Applications (Submitted), Elsevier Publishers.
  5. M. Babar, U. Shafiq, Q. Abbas, A. Riaz, S. N. Shah, S. Munir. “Nanotechnology for bioenergy production” in “Nanomaterials in Biomass Conversion”
  6. S. Yaseen, U. Azhar, M. Arif, M. Saqib, A. Riaz 1, R. Yaqub “Potential risks, toxicology, stability, economic feasibility, and environmental impacts of biomass conversion” in “Nanomaterials in Biomass Conversion”, Elsevier Publishers.

International Conferences:

  1. A. Riaz, J. Kim, "Depolymerization of Lignin in Supercritical Ethanol to Aromatic Chemicals", 10th International Conference on Separation Science and Technology (ICSST14), November 2014, Nara, Japan
  2. A. Riaz, J. Kim, “Deoxy Liquefaction of Concentrated Sulfuric Acid Hydrolysis Lignin in Supercritical Ethanol”, 23rd European Biomass Conference & Exhibition, June 2015, Vienna, Austria
  3. A. Riaz, J. Kim, “High-yield and high-calorific bio-oil production from concentrated sulfuric acid hydrolysis lignin in supercritical ethanol”, 11th International Symposium on Supercritical Fluids, October 2015, Seoul, Korea
  4. A. Riaz, J. Kim, “A guide to use supercritical alcohols as a reaction media for biomass” International conference on supercritical fluids, January 2018, Nagoya, Japan
  5. J. Kim, J. Park, A. Riaz, “The relationship between the structure and depolymerization behavior of lignin” Gordon Research Conference, August 2018, Stonehill College Easton, Massachusetts.

 

National Conferences:

  1. A. Riaz, J. Kim, “Valorization of strong acid hydrolysis lignin in supercritical ethanol and formic acid”, Korean Society of Chemical Engineers, Spring Conference (2015), Jeju, South Korea
  2. A. Riaz, J. Kim, “Supercritical ethanol assisted depolymerization of lignin into high yield of monomeric phenols”, Korean Society of Chemical Engineers, Fall Conference (2016), South Korea
  3. M.J. Hidajat, A. Riaz, J. Kim, “Depolymerization of Concentrated Sulfuric Acid Hydrolysis Lignin in Basic Sub- and Supercritical Solvents”, Korean Institute of Chemical Engineers. September 2016, South Korea.
  4. A. Riaz, J. Kim, “Non-catalytic depolymerization of lignin to produce high-yield of lignin-derived aromatic monomers with controlled ethanol consumption” Korean Society of Chemical Engineers 2017 Spring General Meeting and Conference, April 2017, Jeju, South Korea
  5. M.J. Hidajat, A. Riaz, J. Kim, “Hydrodeoxygenation of Concentrated Sulfuric Acid Hydrolysis Lignin Bio-oil using Formic Acid as In-situ Hydrogen Generation” Korean Institute of Chemical Engineers. April 2017, South Korea.
  6. J. Kim, J. Lee, J. Kim, S. Kwak, A. Riaz, “Theoretical Study on Depolymerization of Lignin using Supercritical Ethanol and Formic Acid” Korean Institute of Chemical Engineers. Fall 2018, South Korea.
  7. K.W. Waheed, A. Riaz, “Bio-tar production by liquefaction of Kraft lignin in super-and subcritical solvents” Korean Industrial Chemistry Society, October 2019, South Korea
  8. A. Riaz, In-Gu Lee, “Liquefaction of technical lignins in a continuous reactor”. Korean Industrial Chemistry Society, October 2019, South Korea
  9. A. Riaz, In-Gu Lee, “The continuous conversion of oleic acid into light hydrocarbons over mesoporous zeolites. Korean Industrial Chemistry Society, October 2019, South Korea

  • Biomass Conversion
  • Carbon Capture and Utilization
  • Supercritical Fluid Technologies

PEC Registered Engineer

CHEM/08213