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Jones Group

Chemical and Biomolecular Engineering at Georgia Tech

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Claudia Okonkwo

Email: okonkwo.c@gatech.edu

Favorite TV show/movie? Power

Education Background

BS Chemical Engineering, Northeastern University, 2015

Project

Hydrogen Sulfide Capture Using Amine-Modified Mesoporous Oxides

The primary objective is to investigate the effects of amine type, support type and humidity on the adsorption of H2S. I aim to explore the selectivity (vs. methane) and stability of amine-modified mesoporous oxides and identify and quantify the species that are formed from H2S-amine interactions. The rationale of this research is that by developing amine-H2S-oxide structure-property relationships for these materials, the requisite fundamental understanding of the adsorption process will be obtained such that the rational design of improved adsorption materials, tailored for H2S interactions, will be possible.

Publications

  1. C.N.Okonkwo, C.Okolie, A. Sujan, G.Zhu, C.W.Jones, “Role of Amine Structure on Hydrogen Sulfide Capture from Dilute Gas Streams Using Solid Adsorbents.” Energy Fuels 2018, 32, 6, 6926-6933
  2. G. Zhu, J.-M. Y. Carrillo, A. Sujan, C. N. Okonkwo, S. Park, B. G. Sumpter, C. W. Jones, R. P. Lively, “Molecular Blends of Methylated-Poly(ethylenimine) and Amorphous Porous Organic Cages for SO2Adsorption.” J. Mater. Chem. A. 2018, 6 22043-22052
  3. F. Liu, K. Huang, C.J. Yoo, C. Okonkwo, D. Tao, C.W. Jones, S. Dai, “Facilely synthesized meso-macroporous polymer as support of poly(ethyleneimine) for highly efficient and selective capture of CO2.” Chem. Eng. J. 2016, 314, 466-476

Group News

January 2021-

Four new PhD students join the group!  Anu Osibo will work on depolymerization catalysis and Yoseph Guta will study amine adsorbent stability.  Both will be co-advised by Prof. Sievers.  MinGyu Song will study DAC under unconventional conditions, and will be co-advised by Prof. Lively.  Laura Proano will evaluate catalytic sorbents for CO2 capture and conversion in a single, intensified process.

December 2020-

The group welcomes the arrival of new postdoctoral fellow Pranjali Priyadarshini, who recently completed her PhD at the University of Illinois.

October 2020-

We bid farewell to postdoctoral fellow Dharam Kumar and visiting PhD student Wei Zhou.  We welcome the arrival of new postdoctoral Fellow Gabriel Short, who recently completed his PhD in chemistry at the University of Florida.

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