메탄 하이드레이트 생성촉진을 위한 노즐 분사효과 연구
Nozzle Effect for the Formation Enhancement of Methane Hydrate
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초록
Methane hydrate is crystalline ice-like compounds which consist of methane gas of 99% and over, and the estimated amount of gas contained in hydrates is about 1 trillion carbon Ton. Therefore, they have the potential for being a significant source for natural gas, and 1m3 solid hydrates contain up to 172Nm3 of methane gas, depending on the pressure and temperature of production. Such large volumes make natural gas hydrates can be used to store and transport natural gas. In this study, the tests were performed on the formation of methane hydrate by a nozzle. The result showed that utilizing nozzles dramatically reduces the time in hydrate formation, the pressure after the injection is decreased to be approximately 90% of experimental pressurethe, and gas consumption is higher about 3 times than that of subcooling test.
Abstract
Methane hydrate is crystalline ice-like compounds which consist of methane gas of 99% and over, and the estimated amount of gas contained in hydrates is about 1 trillion carbon Ton. Therefore, they have the potential for being a significant source for natural gas, and 1m3 solid hydrates contain up to 172Nm3 of methane gas, depending on the pressure and temperature of production. Such large volumes make natural gas hydrates can be used to store and transport natural gas. In this study, the tests were performed on the formation of methane hydrate by a nozzle. The result showed that utilizing nozzles dramatically reduces the time in hydrate formation, the pressure after the injection is decreased to be approximately 90% of experimental pressurethe, and gas consumption is higher about 3 times than that of subcooling test.
참고문헌 (7)
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- Kvenvolden, K, A., "Methane hydrate - a major reservoir of carbon in the shallow geosphere", 71, pp.41~51 (1988), Chem. Geol.
- Chang, D. G., "Simulation of two phase flow in porous media after dissociation of meth ane hydrate", Proceeding of the KSME 2000 Fall Annual Meeting, pp.241~246 (2000), KSME
- Sloan, E. D., "Clathrate hydrates of natur al gases", pp.1~318 (1998), Marcel Dekker, inc., New York
- Okuda, Y., "Exploration research on gas hydrates in Japan", 5th Petroleum explor ation and development symposium, pp.62~98 (1996)
- H. Kanda, "Economics study on natural g as transportation with natural gas hydrate pellets", 23rd world gas conference (2006), A msterdam
- "메탄 하이드레이트 신에너지자원 기술동향" (2001), KISTEP
