期刊
ENERGY & FUELS
卷 23, 期 3-4, 页码 1619-1625出版社
AMER CHEMICAL SOC
DOI: 10.1021/ef800880f
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资金
- New Energy and Industrial Technology Development Organization (NEDO) of Japan [05A45004]
- Japan Society for the Promotion of Science [20246040]
This paper reports the experimental examination of a novel device for the continuous, high-rate formation of a structure-H hydrate. The device is designed such that two precooled liquids, water and a hydrophobic large-molecule guest substance (LMGS), such as methylcyclohexane, are injected in the form of co-planar cylindrical jets into a hydrate-forming gas phase confined in a high-pressure chamber, where LMGS provides guest molecules to fit into the 5 12 6 8 cages of a structure-H hydrate. The liquid jets collide, thereby forming a radially expanding sheet, which, in turn, sprinkles from its rim tiny water/LMGS compound droplets into the gas phase. Using methane and methylcyclohexane as the hydrate-forming gas and the LMGS, respectively, we have performed a series of hydrate-forming experiments to examine the operational function of the twinjet device. The observed hydrate-formation behavior, including the rate of hydrate formation depending upon the degree of the LMGS cooling, is presented and discussed.
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