Numerical studies on the aquifer storage of CO2 containing N-2
文献类型：会议论文
| 作者 | Wei, N.; Li, X. C. |
| 出版日期 | 2011 |
| 会议日期 | SEP 19-23, 2010 |
| 会议地点 | Amsterdam, NETHERLANDS |
| 关键词 | deep saline aquifer solubility trapping mineralization trapping impure CO2 multi-phase reactive transport simulation |
| DOI | 10.1016/j.egypro.2011.02.382 |
| 页码 | 4314-4322 |
| 英文摘要 | The high cost of CO2 capture is the one of most important barriers to large-scale CCS deployment. Impure CO2 geological storage might be a cost-effective way to cut down the total cost of CCS by lowering the requirement of CO2 capture or revenue-adding impurities. Primary cost analysis shows that injection of CO2 containing some part N-2 might cut down the total CCS cost by lowing the capture requirement of CO2. Based on PVT characters of N-2-CO2 mixture, viscosity, relative permeability, capillary pressure model, hydraulic dispersion, geochemistry and COMSOL-Multiphysics software, the simulation tool is established and the migration process of N-2-CO2 mixture in sandstone core was studied by the tool. The numerical simulation have shown that preferential CO2 solubility in brine compared to that of N-2 results in CO2 being stripped off at the leading edge of the displacement front of fluid mixture containing N-2 that advances through the aqueous phase. The chromatographic partitioning process of CO2 in gas phase can separate nitrogen and trap CO2 in aquifer during preferential flow process, which caused by preferential solubility and mineral trapping during the CO2 displacement process. The impact of N-2 will affect the migration of CO2 plume, especially the migration front a lot underground. (C) 2011 Published by Elsevier Ltd. |
| 会议录 | 10TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES
 |
| 会议录出版者 | ELSEVIER SCIENCE BV |
| 会议录出版地 | AMSTERDAM |
| 语种 | 英语 |
| WOS研究方向 | Energy & Fuels ; Environmental Sciences & Ecology |
| WOS记录号 | WOS:000298299704101 |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/4573]  |
| 专题 | 岩土力学所知识全产出_会议论文 国家重点实验室知识产出_会议论文 |
| 作者单位 | Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn |
| 推荐引用方式 GB/T 7714 | Wei, N.,Li, X. C.. Numerical studies on the aquifer storage of CO2 containing N-2[C]. 见:. Amsterdam, NETHERLANDS. SEP 19-23, 2010. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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