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Title: Direct Capture of CO 2 from Ambient Air

Abstract

The increase in the global atmospheric CO2 concentration resulting from over a century of combustion of fossil fuels has been associated with significant global climate change. With the global population increase driving continued increases in fossil fuel use, humanity’s primary reliance on fossil energy for the next several decades is assured. Traditional modes of carbon capture such as precombustion and postcombustion CO2 capture from large point sources can help slow the rate of increase of the atmospheric CO2 concentration, but only the direct removal of CO2 from the air, or “direct air capture” (DAC), can actually reduce the global atmospheric CO2 concentration. The past decade has seen a steep rise in the use of chemical sorbents that are cycled through sorption and desorption cycles for CO2 removal from ultradilute gases such as air. This Review provides a historical overview of the field of DAC, along with an exhaustive description of the use of chemical sorbents targeted at this application. Solvents and solid sorbents that interact strongly with CO2 are described, including basic solvents, supported amine and ammonium materials, and metal-organic frameworks (MOFs), as the primary classes of chemical sorbents. Hypothetical processes for the deployment of such sorbents are discussed, asmore » well as the limited array of technoeconomic analyses published on DAC. Overall, it is concluded that there are many new materials that could play a role in emerging DAC technologies. Furthermore, these materials need to be further investigated and developed with a practical sorbent-air contacting process in mind if society is to make rapid progress in deploying DAC as a means of mitigating climate change.« less

Authors:
 [1];  [2];  [2];  [2]
  1. School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States, Department of Chemical and Environmental Technology, ESCET, Rey Juan Carlos University, C/Tulipán s/n, 28933 Móstoles, Madrid, Spain
  2. School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
Publication Date:
Research Org.:
Georgia Institute of Technology, Atlanta, GA (United States); Energy Frontier Research Centers (EFRC) (United States). Center for Understanding and Control of Acid Gas-induced Evolution of Materials for Energy (UNCAGE-ME)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1306691
Alternate Identifier(s):
OSTI ID: 1329034
Grant/Contract Number:  
SC0012577
Resource Type:
Published Article
Journal Name:
Chemical Reviews
Additional Journal Information:
Journal Name: Chemical Reviews Journal Volume: 116 Journal Issue: 19; Journal ID: ISSN 0009-2665
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

Sanz-Pérez, Eloy S., Murdock, Christopher R., Didas, Stephanie A., and Jones, Christopher W. Direct Capture of CO 2 from Ambient Air. United States: N. p., 2016. Web. doi:10.1021/acs.chemrev.6b00173.
Sanz-Pérez, Eloy S., Murdock, Christopher R., Didas, Stephanie A., & Jones, Christopher W. Direct Capture of CO 2 from Ambient Air. United States. https://doi.org/10.1021/acs.chemrev.6b00173
Sanz-Pérez, Eloy S., Murdock, Christopher R., Didas, Stephanie A., and Jones, Christopher W. Thu . "Direct Capture of CO 2 from Ambient Air". United States. https://doi.org/10.1021/acs.chemrev.6b00173.
@article{osti_1306691,
title = {Direct Capture of CO 2 from Ambient Air},
author = {Sanz-Pérez, Eloy S. and Murdock, Christopher R. and Didas, Stephanie A. and Jones, Christopher W.},
abstractNote = {The increase in the global atmospheric CO2 concentration resulting from over a century of combustion of fossil fuels has been associated with significant global climate change. With the global population increase driving continued increases in fossil fuel use, humanity’s primary reliance on fossil energy for the next several decades is assured. Traditional modes of carbon capture such as precombustion and postcombustion CO2 capture from large point sources can help slow the rate of increase of the atmospheric CO2 concentration, but only the direct removal of CO2 from the air, or “direct air capture” (DAC), can actually reduce the global atmospheric CO2 concentration. The past decade has seen a steep rise in the use of chemical sorbents that are cycled through sorption and desorption cycles for CO2 removal from ultradilute gases such as air. This Review provides a historical overview of the field of DAC, along with an exhaustive description of the use of chemical sorbents targeted at this application. Solvents and solid sorbents that interact strongly with CO2 are described, including basic solvents, supported amine and ammonium materials, and metal-organic frameworks (MOFs), as the primary classes of chemical sorbents. Hypothetical processes for the deployment of such sorbents are discussed, as well as the limited array of technoeconomic analyses published on DAC. Overall, it is concluded that there are many new materials that could play a role in emerging DAC technologies. Furthermore, these materials need to be further investigated and developed with a practical sorbent-air contacting process in mind if society is to make rapid progress in deploying DAC as a means of mitigating climate change.},
doi = {10.1021/acs.chemrev.6b00173},
journal = {Chemical Reviews},
number = 19,
volume = 116,
place = {United States},
year = {Thu Aug 25 00:00:00 EDT 2016},
month = {Thu Aug 25 00:00:00 EDT 2016}
}

Journal Article:
Free Publicly Available Full Text
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https://doi.org/10.1021/acs.chemrev.6b00173

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