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| 題 名 | 深部鹽水層砂岩在碳封存環境機理下反應之研究=A Study of Reaction of Deep Saline Sandstone in a Carbon Dioxide Storage Environment |
|---|---|
| 作 者 | 郭俊志; 王建力; | 書刊名 | 臺灣鑛業 |
| 卷 期 | 70:3 2018.09[民107.09] |
| 頁 次 | 頁44-48 |
| 分類號 | 441.103 |
| 關鍵詞 | 二氧化碳地質封存; 深部鹽水層; 砂岩; Carbon dioxide geological storage; Deep saline aquifer; Sandstone; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 二氧化碳地質封存是研究如何減少溫室氣體排放的選項之一,在深部鹽水層進行長期封存從地質的範圍、性質、及儲存位置等都是評估要點,而二氧化碳地質封存面臨的困難之一為超臨界二氧化碳與深部地質礦物的反應與遷移情況如何定量化。本研究為了評估深部鹽水層砂岩與超臨界二氧化碳之間的相互反應,已完成在圍壓20MPa、溫度攝氏70度超臨界二氧化碳富含鹽水環境下與深部砂岩之反應84天之實驗。實驗結果表明反應84天過後,其砂岩鈣長石結晶相明顯削減並以石英與矽酸鈣為主,整體孔隙率有微升之情況。 |
| 英文摘要 | Carbon dioxide geological storage is an option for studying how to reduce greenhouse gas emissions. Geological ranges, properties, and storage location in a geological deep saline aquifer are factors to be considered regarding long-term storage. One of the difficulties encountered in carbon dioxide storage is the reaction of supercritical CO_2 with deep underground minerals and the quantification of the migration. To assess the interaction between deep saline sandstone and supercritical CO_2, this study tested the reactions of deep saline sandstone in a supercritical CO_2 environment with a confining pressure of 20 MPa and a temperature of 70℃ for 84 days. The results showed that, after 84 days, the sandstone's anorthite crystal phase, mainly quartz and CaSiO_3, decreased significantly while the overall porosity slightly increased. |
本系統中英文摘要資訊取自各篇刊載內容。