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Title: Combining CO2 Reduction with Ethane Oxidative Dehydrogenation by Oxygen-Modification of Molybdenum Carbide

Abstract

The surface properties that determine the selectivity of Mo2C catalysts in ethane oxidative dehydrogenation with CO2 as a soft oxidant were investigated using a combination of pulse experiments and in-situ spectroscopic methods. Oxygen modification was discovered to be crucial for inhibiting the cleavage of the C–C bond in ethane and enhancing the production of ethylene. Here, the addition of the Fe promoter accelerated the formation of surface oxygen species and stabilized them from reduction by ethane, leading to a shorter induction period, higher ethylene yield, and improved stability.

Authors:
 [1];  [1];  [2]; ORCiD logo [1]; ORCiD logo [3];  [4]; ORCiD logo [5]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Columbia Univ., New York, NY (United States); Xi'an Jiaotong Univ., Xi'an (China)
  3. Stony Brook Univ., Stony Brook, NY (United States)
  4. Columbia Univ., New York, NY (United States)
  5. Brookhaven National Lab. (BNL), Upton, NY (United States); Columbia Univ., New York, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1462423
Report Number(s):
BNL-207911-2018-JAAM
Journal ID: ISSN 2155-5435
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
ACS Catalysis
Additional Journal Information:
Journal Volume: 8; Journal Issue: 6; Journal ID: ISSN 2155-5435
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; carbon dioxide; ethane; oxidative dehydrogenation; oxygen-modified molybdenum carbide; pulse reactor experiment

Citation Formats

Yao, Siyu, Yan, Binhang, Jiang, Zhao, Liu, Zongyuan, Wu, Qiyuan, Lee, Ji Hoon, and Chen, Jingguang G. Combining CO2 Reduction with Ethane Oxidative Dehydrogenation by Oxygen-Modification of Molybdenum Carbide. United States: N. p., 2018. Web. doi:10.1021/acscatal.8b00541.
Yao, Siyu, Yan, Binhang, Jiang, Zhao, Liu, Zongyuan, Wu, Qiyuan, Lee, Ji Hoon, & Chen, Jingguang G. Combining CO2 Reduction with Ethane Oxidative Dehydrogenation by Oxygen-Modification of Molybdenum Carbide. United States. https://doi.org/10.1021/acscatal.8b00541
Yao, Siyu, Yan, Binhang, Jiang, Zhao, Liu, Zongyuan, Wu, Qiyuan, Lee, Ji Hoon, and Chen, Jingguang G. Wed . "Combining CO2 Reduction with Ethane Oxidative Dehydrogenation by Oxygen-Modification of Molybdenum Carbide". United States. https://doi.org/10.1021/acscatal.8b00541. https://www.osti.gov/servlets/purl/1462423.
@article{osti_1462423,
title = {Combining CO2 Reduction with Ethane Oxidative Dehydrogenation by Oxygen-Modification of Molybdenum Carbide},
author = {Yao, Siyu and Yan, Binhang and Jiang, Zhao and Liu, Zongyuan and Wu, Qiyuan and Lee, Ji Hoon and Chen, Jingguang G.},
abstractNote = {The surface properties that determine the selectivity of Mo2C catalysts in ethane oxidative dehydrogenation with CO2 as a soft oxidant were investigated using a combination of pulse experiments and in-situ spectroscopic methods. Oxygen modification was discovered to be crucial for inhibiting the cleavage of the C–C bond in ethane and enhancing the production of ethylene. Here, the addition of the Fe promoter accelerated the formation of surface oxygen species and stabilized them from reduction by ethane, leading to a shorter induction period, higher ethylene yield, and improved stability.},
doi = {10.1021/acscatal.8b00541},
journal = {ACS Catalysis},
number = 6,
volume = 8,
place = {United States},
year = {Wed May 02 00:00:00 EDT 2018},
month = {Wed May 02 00:00:00 EDT 2018}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 45 works
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Figures / Tables:

Figure 1 Figure 1: Catalytic performance of C2H6 ODH reaction on Mo2C with different pretreatments. (A) ethane conversion; (B) ethylene selectivity and (C) ethylene yield.

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Works referencing / citing this record:

Carbon dioxide reduction in tandem with light-alkane dehydrogenation
journal, September 2019


Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.