Gul Afreen

Postdoctoral Fellow with extensive knowledge of catalysis, chemical reactor and reaction engineering, sustainability and renewable energy, and waste management. Adaptable and hardworking individual with excellent problem-solving skills. Self-directed and motivated professional with highly-ethical, meticulous and thorough approach.

Three-phase formic acid production from carbon dioxide conversion in flow reactor, G4039JP01, Filed, 2022, Nitto Denko Corporation and TU Delft collaborative work

• G. Afreen, S. Upadhyayula, Alkylation of phenol and substituted phenols with C1–C4 alcohols/olefins as an upgrading route for bio-oil oxygenates: A review, Renew. Sustain. Energy Rev., 2021, 147, 111189 (I.F. 16.8)
• G. Afreen, J.A. Lara-Ramos, N.A. Vidwans, V. Atla, V. Kumar, S. Vaddiraju, S. Upadhyayula, M. Sunkara, Bulk production of porous TiO2 nanowires by solvo-plasma approach for combating biotic and abiotic contaminants in waste water, J. Mater. Sci: Mater. Electron, 2021, 32 (I.F. 2.5)
• G. Afreen, S. Pathak, S. Upadhyayula, Gas phase alkylation of biomass-derived m-cresol with iso-propanol over zinc modified HY zeolite: Elucidating reaction mechanism and kinetics including deactivation, Chemical Eng. J., 2020, 400, 125824 (I.F. 16.7)
• G. Afreen, D. Mittal, S. Upadhyayula, Biomass derived phenolics conversion to C10-C13 range fuel precursors over metal ion-exchanged zeolites: Physicochemical characterization of catalysts and process parameter optimization, Renewable energy J., 2020, 149, 489-507 (I.F. 8.7)
• G. Afreen, M. Shoeb, S. Upadhyayula, Effectiveness of reactive oxygen species generated from rGO/CdS QD heterostructure for photodegradation and disinfection of pollutants in waste water, Mater. Sci. and Engg. C, 2020, 108, 110372 (I.F. 7.3)
• G. Afreen, S. Upadhyayula, Disruption of the Faujasite framework by incorporation of zinc and their effect on thymol formation, Mat. Letters, 2019, 254, 320-323 (I.F. 3.4)
• G. Afreen, S. Upadhyayula, Mechanistic insights into upgrading of biomass-derived phenolic compounds: comparative study of reaction mechanism over FAU zeolite and metal loaded FAU zeolite, Chemical Eng. J., 2019, 377, 120236 (I.F. 16.7)
• G. Afreen, M. Sunkara, S. Upadhyayula, TiO2 nanowires as efficient heterogeneous photocatalysts for waste-water treatment, International J. of Chemical and Molecular Engg., 2019, 13(11), 511-515
• G. Afreen, T. Patra, S. Upadhyayula, Thermodynamic insights into valorization of biomass-derived oxygenates and reconciliation with experimental study, ACS J. Chem. Eng. Data, 2018, 63, 2197-2210 (I.F. 3.2)
• G. Afreen, T. Patra, S. Upadhyayula, Zn-loaded HY zeolite as active catalyst for iso-propylation of biomass-derived phenolic compounds: A comparative study on the effect of acidity and porosity of zeolites, Molecular catalysis, 2017, 441, 122-133 (I.F. 4.6)
• T. Patra, G. Afreen, F. Parveen, S. Bahri, K. Kumar, S. Upadhyayula, Synergistic Bronsted-Lewis acidity effect on upgrading biomass-derived phenolic compounds: Statistical optimization of process parameters, kinetic investigations and DFT study, Chemistry select, 2018, 3, 634-647 (I.F. 2.4)
• M. Shoeb, B.R. Singh, M. Mobin, G. Afreen, W. Khan, A.H. Naqvi, Kinetic study on mutagenic chemical degradation through three pot synthesized graphene@ZnO nanocomposite, PloS One, 2015, 10(8), 1-23 (I.F. 3.7)
• G. Afreen, P.K. Rakshit, R.K. Voolapalli, S. Upadhyayula, Ethanol as an eco-friendly alternate fuel produced from acetic acid over supported Co-Pt and Ni-Pt catalysts, 2023, Communicated in Sustain. Energy Fuel

• G. Afreen, S. Upadhyayula, A review on Friedel-Crafts alkylation of aromatics with alcohols and transalkylation reactions: From solid acid catalysts to green ionic liquids, Eliva Press, Andrew Melnic, 978-1636480268, 2020
• G. Afreen, S. Upadhyayula, Ultrasonic wastewater treatment, CRC Press, Taylor and Francis Publications, Upadhyayula and Chaudhary, 978-0367686161, 2021
• G. Afreen, S. Upadhyayula, Heterogeneous photocatalytic oxidation of phenols and substituted phenols from wastewater, Nova Science Publishers, Inc. (NOVA), Patricia Villegas, 978-1685070069, 115-127, 2021

• Poster presentation on “Development of a packed bed reactor system for CO2 hydrogenation to formic acid using ruthenium PNP pincer catalyst” at Europacat held on August 27-September 01, 2023 in Prague, Czech Republic.
• Poster presentation on “Development of a packed bed reactor system for CO2 hydrogenation to formic acid” at NCCC held on March 6-8, 2023 in Leeuwenhorst, Netherlands
• Oral presentation on “Catalytic upgradation of bio-oil derived phenolic compounds to fuel precursors” at UK Catalysis Conference held on January 7-9, 2020 in Loughborough, UK.
• Oral presentation on “Catalytic conversion of biomass-derived phenolics to fuel precursors” at ChemCon19 held on December 15-19, 2019 in New Delhi, India.
• Oral presentation on “Conversion of biomass-derived phenolics into C10-C13 fuel precursors and value-added chemicals over green heterogeneous catalysts” at 22nd International Conference on Green Chemistry and Technology held on November 18-19, 2019 in Paris, France.
• E-poster presentation on “TiO2 nanowires as efficient heterogeneous photocatalysts for waste-water treatment” at International Conference on Chemistry and Heterogeneous Catalysis held on November 20-21, 2019 in Paris, France.
• Oral presentation on “Experimental and mechanistic insights into upgrading of biomass-derived phenolic compounds” at International Conference on Catalysis and Chemical Engineering held on April 08-10, 2019 in Dubai, UAE.
• Poster presentation on “Catalytic biofuel upgradation for selective thymol production” at ISHHC-18 held on July 22-25, 2018 in Sydney, Australia.
• Poster presentation on “Catalytic upgradation of biomass-derived phenolic compounds via C-C coupling with small oxygenates” at ISCRE25 held on May 20-23, 2018 in Florence, Italy.
• Poster presentation on “Catalytic upgradation of biomass-derived phenolic compounds” at Open House held on April 20, 2018 in Indian Institute of Technology Delhi, India.
• Workshop on “Introduction to Gaussian: Theory and Practice” organized by SCUBE Scientific Software Solutions Pvt. Ltd., held on January 16-20, 2017 in New Delhi, India.