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Title: Reforming and oxidative dehydrogenation of ethane with CO2 as a soft oxidant over bimetallic catalysts

Abstract

An efficient mitigation of abundantly available CO2 is critical for sustainable environmental impact as well as for novel industrial applications. Using ethane, CO2 can be catalytically converted into a useful feedstock (synthesis gas) and a value-added monomer (ethylene) via the dry reforming pathway through the C–C bond scission and the oxidative dehydrogenation pathway through the C–H bond scission, respectively. Results from the current flow-reactor study show that the precious metal bimetallic CoPt/CeO2 catalyst undergoes the reforming reaction to produce syngas with enhanced activity and stability compared to the parent monometallic catalysts. In this paper, in order to replace Pt, the activities of non-precious CoMo/CeO2 and NiMo/CeO2 are investigated and the results indicate that NiMo/CeO2 is nearly as active as CoPt/CeO2 for the reforming pathway. Furthermore, FeNi/CeO2 is identified as a promising catalyst for the oxidative dehydrogenation to produce ethylene. Finally, density functional theory (DFT) calculations are performed to further understand the different pathways of the CoPt/CeO2 and FeNi/CeO2 catalysts.

Authors:
 [1];  [2];  [3]; ORCiD logo [4];  [5]
  1. Univ. of Delaware, Newark, DE (United States). Dept. of Chemical and Biomolecular Engineering
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Chemistry
  3. Tsinghua Univ., Beijing (China). College of Materials Science and Engineering
  4. Univ. of Illinois, Urbana, IL (United States). Dept. of Chemistry
  5. Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Chemistry; Columbia Univ., New York, NY (United States). Dept. of Chemical Engineering
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Contributing Org.:
Univ. of Delaware, Newark, DE (United States); Tsinghua Univ., Beijing (China); Univ. of Illinois, Urbana, IL (United States); Columbia Univ., New York, NY (United States)
OSTI Identifier:
1341673
Alternate Identifier(s):
OSTI ID: 1398839
Report Number(s):
BNL-113401-2017-JA
Journal ID: ISSN 0021-9517; R&D Project: CO035; KC0302010
Grant/Contract Number:  
AC02-98CH10886
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Catalysis
Additional Journal Information:
Journal Volume: 343; Journal ID: ISSN 0021-9517
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Reforming; Oxidative dehydrogenation; Synthesis gas; Ethylene; CeO2 supports

Citation Formats

Myint, MyatNoeZin, Yan, Binhang, Wan, Jie, Zhao, Shen, and Chen, Jingguang G. Reforming and oxidative dehydrogenation of ethane with CO2 as a soft oxidant over bimetallic catalysts. United States: N. p., 2016. Web. doi:10.1016/j.jcat.2016.02.004.
Myint, MyatNoeZin, Yan, Binhang, Wan, Jie, Zhao, Shen, & Chen, Jingguang G. Reforming and oxidative dehydrogenation of ethane with CO2 as a soft oxidant over bimetallic catalysts. United States. https://doi.org/10.1016/j.jcat.2016.02.004
Myint, MyatNoeZin, Yan, Binhang, Wan, Jie, Zhao, Shen, and Chen, Jingguang G. Fri . "Reforming and oxidative dehydrogenation of ethane with CO2 as a soft oxidant over bimetallic catalysts". United States. https://doi.org/10.1016/j.jcat.2016.02.004. https://www.osti.gov/servlets/purl/1341673.
@article{osti_1341673,
title = {Reforming and oxidative dehydrogenation of ethane with CO2 as a soft oxidant over bimetallic catalysts},
author = {Myint, MyatNoeZin and Yan, Binhang and Wan, Jie and Zhao, Shen and Chen, Jingguang G.},
abstractNote = {An efficient mitigation of abundantly available CO2 is critical for sustainable environmental impact as well as for novel industrial applications. Using ethane, CO2 can be catalytically converted into a useful feedstock (synthesis gas) and a value-added monomer (ethylene) via the dry reforming pathway through the C–C bond scission and the oxidative dehydrogenation pathway through the C–H bond scission, respectively. Results from the current flow-reactor study show that the precious metal bimetallic CoPt/CeO2 catalyst undergoes the reforming reaction to produce syngas with enhanced activity and stability compared to the parent monometallic catalysts. In this paper, in order to replace Pt, the activities of non-precious CoMo/CeO2 and NiMo/CeO2 are investigated and the results indicate that NiMo/CeO2 is nearly as active as CoPt/CeO2 for the reforming pathway. Furthermore, FeNi/CeO2 is identified as a promising catalyst for the oxidative dehydrogenation to produce ethylene. Finally, density functional theory (DFT) calculations are performed to further understand the different pathways of the CoPt/CeO2 and FeNi/CeO2 catalysts.},
doi = {10.1016/j.jcat.2016.02.004},
journal = {Journal of Catalysis},
number = ,
volume = 343,
place = {United States},
year = {Fri Feb 26 00:00:00 EST 2016},
month = {Fri Feb 26 00:00:00 EST 2016}
}

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