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Title: Tandem Reactions of CO 2 Reduction and Ethane Aromatization

Abstract

Aromatization of light alkanes is of great interest because this can expand the raw materials used to produce aromatics to include fractions of natural gas that are readily available and inexpensive. Combining CO 2 reduction with ethane dehydrogenation and aromatization can also mitigate CO 2 emissions. A one-step process that can produce liquid aromatics from the reactions of CO 2 and ethane using phosphorus (P)- and gallium (Ga)-modified ZSM-5 has been evaluated at 873 K and atmospheric pressure. Here, the addition of P improves the hydrothermal stability of Ga/ZSM-5, reduces coke formation on the catalyst surface, and allows the formation of more liquid aromatics through the tandem reactions of CO 2-assisted oxidative dehydrogenation of ethane and subsequent aromatization. Density functional theory calculations provide insights into the effect of Ga- and P- modification on ethane dehydrogenation to ethylene as well as the role of CO 2 on the production of aromatics.

Authors:
 [1]; ORCiD logo [2];  [1]; ORCiD logo [3]; ORCiD logo [4]
  1. Columbia Univ., New York, NY (United States)
  2. Columbia Univ., New York, NY (United States); Dalian Univ. of Technology, Dalian (China)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)
  4. Columbia Univ., New York, NY (United States); Brookhaven National Lab. (BNL), Upton, 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) (SC-22). Scientific User Facilities Division
OSTI Identifier:
1579503
Report Number(s):
BNL-212413-2019-JAAM
Journal ID: ISSN 0002-7863
Grant/Contract Number:  
SC0012704; AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Journal of the American Chemical Society
Additional Journal Information:
Journal Volume: 141; Journal Issue: 44; Journal ID: ISSN 0002-7863
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY

Citation Formats

Gomez, Elaine, Nie, Xiaowa, Lee, Ji Hoon, Xie, Zhenhua, and Chen, Jingguang G. Tandem Reactions of CO2 Reduction and Ethane Aromatization. United States: N. p., 2019. Web. doi:10.1021/jacs.9b08538.
Gomez, Elaine, Nie, Xiaowa, Lee, Ji Hoon, Xie, Zhenhua, & Chen, Jingguang G. Tandem Reactions of CO2 Reduction and Ethane Aromatization. United States. doi:10.1021/jacs.9b08538.
Gomez, Elaine, Nie, Xiaowa, Lee, Ji Hoon, Xie, Zhenhua, and Chen, Jingguang G. Tue . "Tandem Reactions of CO2 Reduction and Ethane Aromatization". United States. doi:10.1021/jacs.9b08538.
@article{osti_1579503,
title = {Tandem Reactions of CO2 Reduction and Ethane Aromatization},
author = {Gomez, Elaine and Nie, Xiaowa and Lee, Ji Hoon and Xie, Zhenhua and Chen, Jingguang G.},
abstractNote = {Aromatization of light alkanes is of great interest because this can expand the raw materials used to produce aromatics to include fractions of natural gas that are readily available and inexpensive. Combining CO2 reduction with ethane dehydrogenation and aromatization can also mitigate CO2 emissions. A one-step process that can produce liquid aromatics from the reactions of CO2 and ethane using phosphorus (P)- and gallium (Ga)-modified ZSM-5 has been evaluated at 873 K and atmospheric pressure. Here, the addition of P improves the hydrothermal stability of Ga/ZSM-5, reduces coke formation on the catalyst surface, and allows the formation of more liquid aromatics through the tandem reactions of CO2-assisted oxidative dehydrogenation of ethane and subsequent aromatization. Density functional theory calculations provide insights into the effect of Ga- and P- modification on ethane dehydrogenation to ethylene as well as the role of CO2 on the production of aromatics.},
doi = {10.1021/jacs.9b08538},
journal = {Journal of the American Chemical Society},
number = 44,
volume = 141,
place = {United States},
year = {2019},
month = {10}
}

Journal Article:
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This content will become publicly available on October 15, 2020
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