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Received July 3, 2012
Accepted August 23, 2012
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이산화탄소 수송을 위한 압축 및 액화 공정 설계 및 비용 평가
Process Design and Cost Estimation of Carbon Dioxide Compression and Liquefaction for Transportation
서울대학교 화학생물공학부, 151-744 서울시 관악구 대학동 관악로 1 1한국전력기술, 446-713 경기도 용인시 기흥구 용구대로 2354
Seoul National University, Gwanak-ro 1 Daehak-dong, Gwanak-gu, Seoul 151-744, Korea 1KEPCO E&C, 2354 Younggudaero, Giheung-gu, Yongin-si, Gyeonggi 446-713, Korea
chhan@snu.ac.kr
Korean Chemical Engineering Research, December 2012, 50(6), 988-993(6), 10.9713/kcer.2012.50.6.988 Epub 29 November 2012
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Abstract
이산화탄소 포집 및 저장 기술 중에서 수송 단계를 위한 전처리 과정인 초임계 압축 및 액화 공정에 대해서 압축 방법에 따른 에너지와 그 때의 비용의 평가가 이루어졌다. 이산화탄소를 초임계상까지 직접 압축하는 경우(공정 1-1), 액화 후 펌프로 초임계상을 만드는 경우(공정 1-2), 이산화탄소의 가압 팽창으로 액화하는 경우(공정 2), 다른 냉매를 사용하면서 그 냉매를 가압, 팽창으로 얻는 경우(공정 3-1), 냉매를 흡수 냉각법으로 얻는 경우(공정 3-2), 캐스케이드 방법을 사용한 경우(공정 4)에 대해서 각각 공정 모사되었으며 그 때의 비용이 평가되었다. 비용은 $4~7/ton으로 추정된다.
Energy and cost analysis of the preprocessing for carbon capture and storage transportation such as supercritical compression and liquefaction is done using chemical simulation model. Direct compression to supercritical phase (process 1-1), liquefaction and pumping (process 1-2), carbon dioxide compression and expansion as a refrigerant itself (process 2), usage of other refrigerant with compression and expansion (process 3-1), with absorption chiller (process 3-2), cascade refrigeration (process 3-2) have been simulated and evaluated. The specific cost is about 4 to 7 $/ton.
Keywords
References
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The 5th Basic Plan for Long-term Electricity Supply and Demand. Ministry of Knowledgy Economy Korea Power Exchange (2010)
G. G., The energetics of carbon dioxide capture in power plants. US Department of Energy 2004.
Aspelund A, Jordal K, International Journal of Greenhouse Gas Control., 1(3), 343 (2007)
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Mortazavi A, Somers C, Alabdulkarem A, Hwang Y, Radermacher R, Energy, 35(9), 3877 (2010)
Romeo LM, Bolea I, Lara Y, Escosa JM, Appl.Therm. Eng., 29(8-9), 1744 (2009)
de Visser E, Hendriks C, Barrio M, Mølnvik MJ, de Koeijer G, Liljemark S, Le Gallo Y, International Journal of Greenhouse Gas Control.., 2(4), 478 (2008)
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Darwish NA, Al-Hashimi SH, Al-Mansoori AS, Int. J. Refrig., 31(7), 1214 (2008)
Lee JH, Kwak NS, Lee IY, Jang KR, Shim JG, Korean Chem. Eng. Res., 50(2), 365 (2012)
KEPCO, General Design Standards of Sinboryeong Power Plant, KOMIPO (2012)
