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Carbon capture and storage - new challenges

机译:碳捕集与封存-新挑战

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Researchers at Penn State University investigated properties of porous rocks into which CO_2 is injected - a key hope for those planning carbon capture and storage. The study is reported in the International Journal of Greenhouse Gas Control. They examined limestone and sandstone and concluded that assessing sequestration projects will mean not just examining the chemistry and composition of the rocks, but also the ease with which water and CO_2 can flow through host rocks. "We were interested in examining these rocks because they are widely found underground, but there have been concerns that carbon dioxide may escape once it's injected underground," said associate professor of petroleum and natural gas engineering Li Li. "Even if it doesn't escape to the Earth's surface, there are concerns that it may leak into groundwater drinking aquifers."
机译:宾夕法尼亚州立大学的研究人员研究了向其中注入CO_2的多孔岩的性质-这对那些计划进行碳捕集与封存的人来说是一个重大希望。这项研究发表在《国际温室气体控制杂志》上。他们检查了石灰岩和砂岩,并得出结论,评估螯合项目不仅意味着要检查岩石的化学性质和组成,而且还意味着水和CO_2可以容易地流过宿主岩石。石油与天然气工程副教授李力说:“我们对检查这些岩石很感兴趣,因为它们广泛存在于地下,但人们担心一旦将二氧化碳注入地下,二氧化碳可能会逸出。” “即使它没有逃到地球表面,也有人担心它可能泄漏到饮用地下水的地下水中。”

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    《Brownfield briefing》 |2016年第177期|11-11|共1页
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