Korean Journal of Chemical Engineering

  • 제35권11호
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  • Pages.2150-2156
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  • 2018
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  • 0256-1115(pISSN)
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  • 1975-7220(eISSN)
한국화학공학회 (The Korean Institute of Chemical Engineers)
권호 표지
DOI QR코드

DOI QR Code

Optimization of compression ratio in closed-loop CO2 liquefaction process

  • Park, Taekyoon (School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University) ;
  • Kwak, Hyungyeol (School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University) ;
  • Kim, Yeonsoo (School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University) ;
  • Lee, Jong Min (School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University)
  • 투고 : 2018.04.30
  • 심사 : 2018.07.26
  • 발행 : 2018.11.30
⟨ 이전 논문 다음 논문 ⟩

초록

We suggest a systematic method for obtaining the optimal compression ratio in the multi-stage closed-loop compression process of carbon dioxide. Instead of adopting the compression ratio of 3 to 4 by convention, we propose a novel approach based on mathematical analysis and simulation. The mathematical analysis prescribes that the geometric mean is a better initial value than the existing empirical value in identifying the optimal compression ratio. In addition, the optimization problem considers the initial installation cost as well as the energy required for the operation. We find that it is best to use the fifth stage in the general closed-loop type carbon dioxide multi-stage compression process.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea (NRF), Engineering Development Research Center (EDRC)

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피인용 문헌

  1. Dynamic model and performance of an integrated sorption-enhanced steam methane reforming process with separators for the simultaneous blue H2 production and CO2 capture vol.423, pp.None, 2018, https://doi.org/10.1016/j.cej.2021.130044