Great Umenweke | University of Kentucky College of Arts & Sciences

Great Umenweke

Graduate Research Assistant

Research, Teaching, and Service.

Contact Information

Great.Umenweke@uky.edu

Research Interests

Biorefining
Heterogenous Catalysis
Green Chemistry
Materials

Affiliations

Chemistry
Center for Applied Energy Research

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Selected Publications

Selected Publications:

Great C. Umenweke, Brian Hogston, Olivier Heintz, Gilles Caboche, Robert B. Pace, Eduardo Santillan-Jimenez. ‘Robust engineered catalyst for the conversion of brown grease to renewable diesel via decarboxylation/decarbonylation.’ Chemical Communications 2025, http://dx.doi.org/10.1039/D5CC01451D
Great C. Umenweke, Robert Pace, Thomas Récalt, Olivier Heintz, Gilles Caboche, Eduardo Santillan-Jimenez. 'Support Effects on Fe- or Cu-Promoted Ni Catalysts Used in the Catalytic Deoxygenation of Tristearin to Fuel-like Hydrocarbons.' Catalysts 2025, 15(5), 501. https://www.mdpi.com/2073-4344/15/5/501
Great C. Umenweke, Robert B. Pace, Mathis Metais, Olivier Heintz, Gilles Caboche, Eduardo Santillan-Jimenez. ‘Continuous conversion of tall oil over Ni-Cu/SAPO-11 to a sustainable aviation fuel blendstock with excellent seal swelling properties.’ Fuel 392, 2025, 134695 DOI: 10.1016/j.fuel.2025.134695
Great C. Umenweke and Eduardo Santillan-Jimenez. 'Hydrocarbon Biofuels.' American Chemical Society, 2024. DOI: 10.1021/acsinfocus.7e8011
Parker, J.; Santillan-Jimenez, E.; Harman-Ware, A. E.; Umenweke, G. C.; Heintz, O.; Caboche, G.; Crocker, M. 'Reductive Depolymerization of Lignin to Aromatic Compounds over Promoted Nickel Catalysts in Sub- and Supercritical Methanol.' ChemNanoMat, 2024, e202400222. DOI: https://doi.org/10.1002/cnma.202400222.
Great C. Umenweke, Jude Okolie, Robert B. Pace, Eduardo Santillan-Jimenez. 'Techno-economic and Life-cycle Analyses of Sustainable Aviation Fuel production via integrated catalytic deoxygenation and hydrothermal gasification.' Chemical Engineering Journal, 2023, 452, 2, 139215. https://doi.org/10.1016/j.cej.2022.139215
Mohit Saraf, Monika Roy…... Great Umenweke et al. 'Perspective from the 2022 cohort of the American Chemical Society Summer School on Green Chemistry & Sustainable Energy.' ACS Sustain. Chem. Eng., 2023. https://doi.org/10.1021/acssuschemeng.3c02935
Jude A. Okolie, Jorge Ivan Escobar, Great Umenweke, Waheed Khanday, Patrick U. Okoye. 'Continuous biodiesel production: A review of advances in catalysis, microfluidic and cavitation reactors.' Fuel, 2022, 307, 121821. https://doi.org/10.1016/j.fuel.2021.121821
Great Umenweke*, Zacchaeus Adesanya, Helen Onyeaka and Taghi Miri; 'Modular Biorefinery Simulation of Nesogordonia papaverifera by Fast Pyrolysis (FP): A focus on bio-oil enhancement.' Biomass Conv. Bioref., 2021, https://doi.org/10.1007/s13399-021-01430-z