Korean Journal of Air-Conditioning and Refrigeration Engineering (설비공학논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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Development of Formation and Transportation Techniques for CO2-Hydrate Slurry

이산화탄소 하이드레이트 슬러리의 생성 및 수송기술개발

  • Prah, Benedict (Department of Mechanical Engineering, Hanbat National University) ;
  • Yun, Rin (Department of Mechanical Engineering, Hanbat National University)
  • ;
  • 윤린 (한밭대학교 기계공학과)
  • Received : 2017.01.09
  • Accepted : 2017.03.09
  • Published : 2017.07.10
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Abstract

Formation and transportation of $CO_2$-hydrate slurry was conducted by circulating saturated water with $CO_2$ through a double-tube type heat exchanger which was cooled down by brine. The inner diameter and circulation length of the heat exchanger were 1 inch and 20 m, respectively. Water in tank was supersaturated by injected $CO_2$ and the operation pressure was maintained at 3,000 to 4,000 kPa with fluid-temperature of less than $9^{\circ}C$. $CO_2$ hydrate mass fraction was calculated based on density of $CO_2$-hydrate slurry mixture. Results showed that the $CO_2$-hydrate slurry could be circulated without blockage for 1 hr. Circulation status of the $CO_2$-hydrate slurry was also visualized.

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References

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