0539 CO_2地中貯留におけるトラッピングメカニズム(S52-2 温室効果ガス排出抑制技術(2),S52 温室効果ガス排出抑制技術)

概要

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The global warming is one of the most serious environmental problems of the day and the first promising period of the Kyoto protocol to reduce CO_2 will come in 2008. CO_2 capture and storage (CCS) is one of the most feasible methods among the bridge technologies, which is necessary to use the fossil fuel and to keep the economic activities, and to reduce CO_2 at the atmosphere. In order to store CO_2 into the saline aquifer there need several technological innovations. We have to make clear the CO_2 characteristics in a saline aquifer. CO_2 is injected in supercritical phase to reduce the volume and viscosity and is stored in the layer. Some will be migrated and some will be dissolved. We have less knowledge about the CO_2 in the saline aquifer. This paper shows the result of the geochemical simulation in an equilibrium assumption and the importance of the role of the initial minerals in the saline aquifer, which CO_2 is pressed into.
一般社団法人日本機械学会の論文
2007-09-07