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タイトル: | A preliminary assessment of geological CO[2] storage in Cambodia |
著者: | Mao, Chanrithyrouth Yamada, Yasuhiro Matsuoka, Toshifumi |
著者名の別形: | 松岡, 俊文 |
キーワード: | CO[2] storage Khmer Basin Saline aquifer Hydrodynamic trap Matched storage capacity Cambodia |
発行日: | Nov-2014 |
出版者: | Elsevier Ltd. |
誌名: | International Journal of Greenhouse Gas Control |
巻: | 30 |
開始ページ: | 19 |
終了ページ: | 33 |
抄録: | This study screens and rank Cambodian sedimentary basins in terms of their containment, capacity, and feasibility for the geological storage of CO[2]. The results of the screening and ranking procedure indicate that the Khmer Basin is the most suitable basin, followed by the Kampong Saom and Tonle Sap basins. A quantitative volumetric assessment-based evaluation of CO[2] storage capacity is performed on these three suitable basins. The evaluation yields a range in the national CO[2] storage capacity of 90 Mt (in structural traps) to 45 Gt (in hydrodynamic traps), representing low- and high-case estimates, respectively. The saline aquifers associated with this storage capacity should be considered prospective storage options as hydrodynamic traps because of containment and capacity issues associated with the structural traps. Eight major point sources of CO[2] are identified that have a combined output (estimated for 2008–2024) of 43.1 Mt annually and 82 billion m[3] in place, and the potentially prospective matched storage capacity is assumed. Overall, a combination of the initial suitabilities of the basins and estimates of prospective matched storage capacity shows that the Khmer, Kampong Saom, and Tonle Sap basins may provide a solution to the problem of reducing future atmospheric emissions. The present results should assist both exploration geologists and experts in carbon capture and storage to gain a better understanding of the CO[2]storage resources of Cambodia. However, the results should be regarded as preliminary because of the limited available data on which the assessments were based; future geological and geophysical data should improve the reliability of the estimates of carbon storage capacity reported here. |
著作権等: | © 2014 Elsevier Ltd. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/191190 |
DOI(出版社版): | 10.1016/j.ijggc.2014.08.016 |
出現コレクション: | 学術雑誌掲載論文等 |
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