Synthesis, Characterization and Catalytic Performance of Samarium Sesquioxide supported Cobalt Catalyst for Methane Dry Reforming to Syngas

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Abstract

This study focuses on the synthesis, characterization and performance of 20wt%Co/80wt%Sm2O3 catalyst in methane dry reforming for the production of syngas. The20wt%Co/80wt%Sm2O3 catalyst was synthesized via wetimpregnation method and characterized by TGA, FTIR, XRD, FESEM, EDX, N2 physisorption and H2-TPR. The performance of the catalyst in the methane dry reforming reaction was studied in a stainless steel fixed-bed continuous flow reactor at feed (CH4:CO2) ratio of 1.0, temperature ranged 923-1023K and GHSV of 30000 h-1. The 20wt%Co/80wt%Sm2O3 catalyst showed promising catalytic performance evident from the highest CH4 and CO2 conversion of ~71% and ~72% as well as the highest H2 and CO yield of ~62% and ~73%, respectively. Moreover, the methane dry reforming over the 20wt%Co/80wt%Sm2O3 catalyst produces H2: CO ratio close to unity, hence suitable for use as a chemical intermediate for synthesis of oxygenated fuels. The characterization of the used 20wt%Co/80wt%Sm2O3 catalyst used after 4 h of time-onstream confirmed the presence of amorphous carbon which can easily be gasified.

Item Type: Conference or Workshop Item (Speech)
Uncontrolled Keywords: Methane dry reforming; Cobalt: Samarium sequioxide; Syngas
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Institute of Postgraduate Studies
Depositing User: Noorul Farina Arifin
Date Deposited: 15 Nov 2016 07:27
Last Modified: 28 Aug 2019 07:14
URI: http://umpir.ump.edu.my/id/eprint/15313
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