3621 二酸化炭素深海貯留のための国際共同実験の成果(S51 温室効果ガス排出抑制技術)

概要

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For the purpose of examining feasibility of COSMOS (CO_2 Sending Method for Ocean Storage), we conducted seven in situ CO_2 storage experiments off California in the United States. As a result, we confirmed that liquid CO_2 could be stored stably without 'overflow' at the depth of 3,960m, and that surface of stored CO_2 was almost always protected from dissociation into seawater by thick layer including CO_2 hydrate membrane at natural flow condition. Also, we found that hydration rate of CO_2 molecules was slower than their diffusion rate at various depths, and that the hydration rate varied according to pressure.
社団法人日本機械学会の論文
2005-09-18