Promising Utilization of CO2 for Syngas Production over Mg2+- and Ce2+-Promoted Ni/γ-Al2O3 Assisted by Nonthermal Plasma

Ray, Debjyoti and Chawdhury, Piu and Subrahmanyam, Challapalli (2020) Promising Utilization of CO2 for Syngas Production over Mg2+- and Ce2+-Promoted Ni/γ-Al2O3 Assisted by Nonthermal Plasma. ACS Omega, 5 (23). pp. 14040-14050. ISSN 2470-1343

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Abstract

Dry reforming of methane is conducted in a catalyst packed-bed dielectric barrier discharge (DBD) reactor aiming to improve the reaction efficiency. The MgO- and CeO2-promoted Ni/γ-Al2O3 catalyst is tested to carry out the reaction. An interesting observation is that Ni/MgO_Al2O3 integration provides ∼35 and 13% conversion of CH4 and CO2, respectively. The highest syngas ratio of 0.94 is obtained with Ni/MgO_Al2O3, whereas the ratio is only 0.57 with Ni/CeO2_Al2O3 and 0.64 with bare DBD. In addition, Ni/CeO2_Al2O3 offers the highest selectivity (68%) of CO due to the oxygen buffer property of CeO2. Finally, the optimal acid/base property is highly desirable for the dry reforming reaction.

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IITH Creators:
IITH CreatorsORCiD
Ray, DebjyotiUNSPECIFIED
Chawdhury, PiuUNSPECIFIED
Subrahmanyam, Challapallihttps://orcid.org/0000-0002-2643-3854
Item Type: Article
Uncontrolled Keywords: Utilization of CO2for Syngas Production,Mg2+- And Ce2+-Promoted Ni/γ-Al2O3
Subjects: Chemistry
Divisions: Department of Chemistry
Depositing User: . LibTrainee 2021
Date Deposited: 12 Jul 2021 06:02
Last Modified: 12 Jul 2021 06:02
URI: http://raiith.iith.ac.in/id/eprint/8234
Publisher URL: http://doi.org/10.1021/acsomega.0c01442
OA policy: https://v2.sherpa.ac.uk/id/publication/31790
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