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Title: Catalyst-TiO(OH)2 could drastically reduce the energy consumption of CO2 capture

Abstract

Implementing Paris Climate Accord is inhibited by the high energy consumption of the state-of-the-art CO 2 capture technologies due to the notoriously slow kinetics in CO 2 desorption step of CO 2 capture. To address the challenge, here we report that nanostructured TiO(OH) 2 as a catalyst is capable of drastically increasing the rates of CO 2 desorption from spent monoethanolamine (MEA) by over 4500%. This discovery makes CO 2 capture successful at much lower temperatures, which not only dramatically reduces energy consumption but also amine losses and prevents emission of carcinogenic amine-decomposition byproducts. The catalytic effect of TiO(OH) 2 is observed with Raman characterization. The stabilities of the catalyst and MEA are confirmed with 50 cyclic CO 2 sorption and sorption. A possible mechanism is proposed for the TiO(OH) 2-catalyzed CO 2 capture. TiO(OH) 2 could be a key to the future success of Paris Climate Accord.

Authors:
ORCiD logo; ; ; ; ; ; ;
Publication Date:
Research Org.:
West Virginia, Morgantown, WV (United States)
Sponsoring Org.:
USDOE; USDOE Office of Policy (OP)
OSTI Identifier:
1458838
Alternate Identifier(s):
OSTI ID: 1511588
Grant/Contract Number:  
PI0000017
Resource Type:
Published Article
Journal Name:
Nature Communications
Additional Journal Information:
Journal Name: Nature Communications Journal Volume: 9 Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United Kingdom
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Lai, Qinghua, Toan, Sam, Assiri, Mohammed A., Cheng, Huaigang, Russell, Armistead G., Adidharma, Hertanto, Radosz, Maciej, and Fan, Maohong. Catalyst-TiO(OH)2 could drastically reduce the energy consumption of CO2 capture. United Kingdom: N. p., 2018. Web. doi:10.1038/s41467-018-05145-0.
Lai, Qinghua, Toan, Sam, Assiri, Mohammed A., Cheng, Huaigang, Russell, Armistead G., Adidharma, Hertanto, Radosz, Maciej, & Fan, Maohong. Catalyst-TiO(OH)2 could drastically reduce the energy consumption of CO2 capture. United Kingdom. doi:10.1038/s41467-018-05145-0.
Lai, Qinghua, Toan, Sam, Assiri, Mohammed A., Cheng, Huaigang, Russell, Armistead G., Adidharma, Hertanto, Radosz, Maciej, and Fan, Maohong. Tue . "Catalyst-TiO(OH)2 could drastically reduce the energy consumption of CO2 capture". United Kingdom. doi:10.1038/s41467-018-05145-0.
@article{osti_1458838,
title = {Catalyst-TiO(OH)2 could drastically reduce the energy consumption of CO2 capture},
author = {Lai, Qinghua and Toan, Sam and Assiri, Mohammed A. and Cheng, Huaigang and Russell, Armistead G. and Adidharma, Hertanto and Radosz, Maciej and Fan, Maohong},
abstractNote = {Implementing Paris Climate Accord is inhibited by the high energy consumption of the state-of-the-art CO2 capture technologies due to the notoriously slow kinetics in CO2 desorption step of CO2 capture. To address the challenge, here we report that nanostructured TiO(OH)2 as a catalyst is capable of drastically increasing the rates of CO2 desorption from spent monoethanolamine (MEA) by over 4500%. This discovery makes CO2 capture successful at much lower temperatures, which not only dramatically reduces energy consumption but also amine losses and prevents emission of carcinogenic amine-decomposition byproducts. The catalytic effect of TiO(OH)2 is observed with Raman characterization. The stabilities of the catalyst and MEA are confirmed with 50 cyclic CO2 sorption and sorption. A possible mechanism is proposed for the TiO(OH)2-catalyzed CO2 capture. TiO(OH)2 could be a key to the future success of Paris Climate Accord.},
doi = {10.1038/s41467-018-05145-0},
journal = {Nature Communications},
number = 1,
volume = 9,
place = {United Kingdom},
year = {2018},
month = {7}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1038/s41467-018-05145-0

Citation Metrics:
Cited by: 11 works
Citation information provided by
Web of Science

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