Characterization and catalytic behavior of EDTA modified silica nanosprings (NS)-supported cobalt catalyst for Fischer-Tropsch CO-Hydrogenation

Abstract

Event Abstract Back to Event Characterization and catalytic behavior of EDTA modified silica nanosprings (NS)-supported cobalt catalyst for Fischer-Tropsch CO-Hydrogenation Abdulbaset M. Alayat1*, Armando G. McDoland1*, David N. Mchhroy2* and Elena Echeverria2* 1 University of Idaho, United States 2 Oklahoma State University, United States The effect of ethylene diamine tetraacetic acid (EDTA) modification on the physico-chemical properties and catalytic performance of silica nanosprings (NS) supported cobalt (Co) catalyst was investigated in the conversion of syngas (H2 + CO) to hydrocarbons by Fischer-Tropsch synthesis (FTS). The unmodified Co/NS and modified Co/NS-EDTA catalysts were synthesized via an impregnation method. The prepared Co/NS and Co/NS-EDTA catalysts were characterized before the FTS reaction by BET surface area, X-ray diffraction (XRD), transmission electron microscopy (TEM), temperature programmed reduction (TPR), X-ray photoelectron spectroscopy (XPS), differential thermal analysis (DTA) and thermogravimetric analysis (TGA) in order to find correlations between physico-chemical properties of catalysts and catalytic performance. FTS was carried out in a quartz fixed-bed microreactor (H2/CO of 2:1, 230 oC and atmospheric pressure) and the products trapped and analyzed by GC-TCD and GC-MS to determine CO conversion and reaction selectivity. The experimental results indicated that the modified Co/NS-EDTA catalyst displayed a more‐dispersed phase of Co3O4 nanoparticles (10.9%) and the Co3O4 average crystallite size was about 12.4 nm. The EDTA modified catalyst showed relatively higher CO conversion (70.3%) and selectivity toward C6-C18 (JP-8, Jet A and diesel) than the Co/NS catalyst (C6-C14) (JP-4). Acknowledgements The authors would like to acknowledge the Al jabal Al gharbi University fellowship, The Dr. Bob Stillinger Scholarship, College of Natural Resources for financial support of the FTIR spectrometer, and the Murdock Charitable Trust for their financial support of the TPR unit. Keywords: silica nanosprings, Fischer-Tropsch synthesis, EDTA, Cobalt catalyst, CO-hydrogenation Conference: National Organization for the Professional Advancement of Black Chemists and Chemical Engineers (NOBCChE) 45th Annual Conference , Orlando, Florida, United States, 17 Sep - 20 Sep, 2018. Presentation Type: Poster Presentation Topic: Enviornmental and Green Chemistry Citation: Alayat AM, McDoland AG, Mchhroy DN and Echeverria E (2019). Characterization and catalytic behavior of EDTA modified silica nanosprings (NS)-supported cobalt catalyst for Fischer-Tropsch CO-Hydrogenation. Front. Chem. Conference Abstract: National Organization for the Professional Advancement of Black Chemists and Chemical Engineers (NOBCChE) 45th Annual Conference . doi: 10.3389/conf.fchem.2018.01.00036 Copyright: The abstracts in this collection have not been subject to any Frontiers peer review or checks, and are not endorsed by Frontiers. They are made available through the Frontiers publishing platform as a service to conference organizers and presenters. The copyright in the individual abstracts is owned by the author of each abstract or his/her employer unless otherwise stated. Each abstract, as well as the collection of abstracts, are published under a Creative Commons CC-BY 4.0 (attribution) licence (https://creativecommons.org/licenses/by/4.0/) and may thus be reproduced, translated, adapted and be the subject of derivative works provided the authors and Frontiers are attributed. For Frontiers’ terms and conditions please see https://www.frontiersin.org/legal/terms-and-conditions. Received: 08 Oct 2018; Published Online: 17 Jan 2019. * Correspondence: Dr. Abdulbaset M Alayat, University of Idaho, Moscow, United States, alay0843@vandals.uidaho.edu Prof. Armando G McDoland, University of Idaho, Moscow, United States, armandm@uidako.edu Prof. David N Mchhroy, Oklahoma State University, Stillwater, Oklahoma, 74078, United States, dave.mcilroy@okstate.edu Dr. Elena Echeverria, Oklahoma State University, Stillwater, Oklahoma, 74078, United States, elena.echeverria@okstate.edu Login Required This action requires you to be registered with Frontiers and logged in. To register or login click here. Abstract Info Abstract The Authors in Frontiers Abdulbaset M Alayat Armando G McDoland David N Mchhroy Elena Echeverria Google Abdulbaset M Alayat Armando G McDoland David N Mchhroy Elena Echeverria Google Scholar Abdulbaset M Alayat Armando G McDoland David N Mchhroy Elena Echeverria PubMed Abdulbaset M Alayat Armando G McDoland David N Mchhroy Elena Echeverria Related Article in Frontiers Google Scholar PubMed Abstract Close Back to top Javascript is disabled. Please enable Javascript in your browser settings in order to see all the content on this page.