Adsorption and desorption on coals for CO2 sequestration

Wang, Zuo-tang, Fu, Zhen-kun, Zhang, Bang-an, Wang, Guo-xiong, Rudolph, Victor and Huo, Li-wen (2009) Adsorption and desorption on coals for CO2 sequestration. Mining Science and Technology, 19 1: 8-13. doi:10.1016/S1674-5264(09)60002-8

Author Wang, Zuo-tang
Fu, Zhen-kun
Zhang, Bang-an
Wang, Guo-xiong
Rudolph, Victor
Huo, Li-wen
Title Adsorption and desorption on coals for CO2 sequestration
Journal name Mining Science and Technology   Check publisher's open access policy
ISSN 1674-5264
Publication date 2009
Year available 2009
Sub-type Article (original research)
DOI 10.1016/S1674-5264(09)60002-8
Volume 19
Issue 1
Start page 8
End page 13
Total pages 6
Place of publication Amsterdam, The Netherlands
Publisher Elsevier BV
Collection year 2010
Language eng
Subject 1906 Geochemistry and Petrology
1909 Geotechnical Engineering and Engineering Geology
2102 Curatorial and Related Studies
Abstract Adsorption and desorption of carbon dioxide, methane and other gases on coals has been investigated experimentally using representative Zhongliangshan coals. Gas adsorption is one of the major concerns for both CO2 sequestration and methane recovery processes. The experiments were carried out using both single and multi-component mixtures at 25 °C and 30 °C with the highest pressure of 12 MPa. The coal was under moisture equilibrated conditions. This provides experimental data from which a predictive assessment of CO2 sequestration and/or methane recovery can be conducted. The results show that for pure gasses the CH4 adsorption capacity is higher than the N2 adsorption capacity but lower than the CO2 adsorption capacity. Injection of CO2 or other gases into the coal significantly affects CH4 desorption. This allows the enhancement of CH4 recovery from the coals, thus supplying more clean energy while sequestering significant amounts of CO2 thereby reducing the greenhouse effect from human beings.
Keyword Adsorption
CO2 sequestration
Greenhouse gas
Multi component
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Engineering Publications
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