A review of different solvents, mass transfer, and hydrodynamics for postcombustion CO 2 capture

There is a growing environmental concern regarding carbon dioxide (CO 2 ) emissions from human activities that result in global warming or climate change. To tackle this potential problem, it is crucial to develop CO 2 capture technologies. This paper reviews the current status of postcombustion car...

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Bibliographic Details
Published in:Reviews in chemical engineering 2015-12, Vol.31 (6), p.521-561
Main Authors: Mirzaei, Somayeh, Shamiri, Ahmad, Aroua, Mohamed Kheireddine
Format: Article
Language:English
Subjects:
Climate change
Emissions
Fluid mechanics
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Summary:There is a growing environmental concern regarding carbon dioxide (CO 2 ) emissions from human activities that result in global warming or climate change. To tackle this potential problem, it is crucial to develop CO 2 capture technologies. This paper reviews the current status of postcombustion carbon capture by absorption in packed column using different solvents. The major concerns with the selection of absorbent, such as absorption rate, CO 2 absorption capacity, CO 2 solubility, environmental cost, and toxicity, are discussed. The hydrodynamics and mass-transfer performance of CO 2 absorption in a packed column are reviewed. The determinant factors of CO 2 absorption, including effective interfacial area and mass-transfer coefficients in different contactors, are discussed. Liquid holdup and pressure-drop models are investigated.
ISSN:0167-8299
2191-0235
DOI:10.1515/revce-2014-0045