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Carbon Dioxide Mineral Carbonation Through pH-swing Process: A Review.
- Source :
- Energy Procedia; 2014, Vol. 61, p2783-2786, 4p
- Publication Year :
- 2014
-
Abstract
- The promotion of carbon dioxide (CO 2 ) reduction methods is due to the fact that the CO 2 concentration has been increasing rapidly in 21 st century. In order to prevent further damage of the environment caused by greenhouse gases, CO 2 concentration should be stabilized by increasing CO 2 fixation, which can reduce CO 2 emission into the atmosphere. Mineral carbon sequestration or mineral carbonation is the process of utilizing minerals, mostly rich in calcium and magnesium (Ca/Mg) as the feedstock in reaction with CO 2 to produce stable solid carbonates. Mineral carbonation through indirect pH swing process is a very effective method for producing calcium and magnesium carbonates. The Ca/Mg ions are extracted out of feedstock using suitable solvents at low pH condition and then in the second step the leached Ca/Mg ions are carbonated at elevated pH condition. In this paper the state-of-the-art of the carbonation involving pH swing method is updated. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 18766102
- Volume :
- 61
- Database :
- Supplemental Index
- Journal :
- Energy Procedia
- Publication Type :
- Academic Journal
- Accession number :
- 100412192
- Full Text :
- https://doi.org/10.1016/j.egypro.2014.12.311