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석탄 합성가스 제조를 위한 pilot급 가스화 시스템 운전특성
정석우(Chung, Seok-Woo),정우현(Jung, Woo-Hyun),이승종(Lee, Seung-Jong),윤용승(Yun, Yong-Seung) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.11
Gasification has been regarded as a very important technology to decrease environmental pollution and to obtain higher efficiency, The coal gasification process converts carbon containing coal into a syngas, composed primarily of CO and H₂. And the coal syngas can be used as a source for power generation or chemical material production. This paper illustrates the operation characteristics and results of pilot-scale coal syngas production facilities. The entrained-bed pilot scale coal gasifier was operated normally in the temperature range of 1,300{sim}1,400^{cdot}C, 2{sim}3kg/cm² pressure. And Indonesian KPC coal produced syngas that has a composition of 46{sim}54% CO, 20{sim}26% H₂, and 5{sim}8% CO₂.
상용급 바이오수소 제조 플랜트에서의 폭발성 가스에 의한 피해영향 평가
정석우(Seok-Woo Chung),김수현(Soo-Hyun Kim),유영돈(Young-Don Yoo),방부형(Boo-Hyoung Bang) 한국에너지기후변화학회 2018 에너지기후변화학회지 Vol.13 No.2
In this study, a computational analysis was performed to evaluate the damage effects caused by explosive gas leakage in a commercial scale bio-hydrogen production plant. The gas diffusion-explosion analysis was conducted in three scenarios. It was found that when the explosive gas was leaked in the bio-hydrogen transport pipeline and then spread in the pipeline direction, the explosion pressure was increased by increasing the burning rate during ignition. And in order to evaluate the damage effect by explosive gas, the maximum explosion pressure at the accident in the commercial scale bio-hydrogen plant was checked. As a result, the maximum explosion pressure of the scenario 1 was 0.003 bar , the scenario 2 was 0.02 bar, and the scenario 3 was 0.029 bar. Therefore, when the structure is located 12 m from the boundary of the bio-hydrogen production plant, the impact of the explosion pressure is 0.015 bar, which may cause local damage such as glass rupture, but the entire building will not be damaged.