2-2-2 低温・低圧下のガスハイドレート生成 : 超音波霧化法による生成速度向上の検討-4(2-2 ガスハイドレート1,Session 2 天然ガス・メタンハイドレート等,研究発表)

概要

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CO_2 hydrate was synthesized from different sized small ice particles(0.6〜0.9μm) under low-temperature and low-pressure condition (-20°C, 0.7MPa) using the bench scale hydrate formation apparatus with ultrasonic mist generator. Average diameters of synthesized hydrate particles were measured by optical microscope with low-temperature sample stage. Thickness of hydrate layer and target particle size of micro ice were calculated from conversion and average size of hydrate particles. Thickness of hydrate layer was 0.22〜0.26μm. It suggest that "aimed micro ice size", which is the particle size of micro ice when the conversion will reach 100%, should be around 0.4μm(0.38〜0.44μm).
2010-08-02