Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Separation of Electronic Grade Highly Pure Carbon Dioxide Using Combined Process of Membrane, LNG Cold Heat Assisted Cryogenic Distillation

분리막 공정과 LNG 냉열 및 심냉 증류를 이용한 전자급 고순도 이산화탄소의 분리

  • YOUNGSOO KO (Department of Chemical Engineering, Kongju National University) ;
  • KYUNGRYONG JANG (Mal Eun Environmental Industrial Co., LTD.) ;
  • JUNGHOON KIM (Korea Research Institute of Chemical Technology) ;
  • YOUNGJOO JO (Department of Chemical Engineering, Kongju National University) ;
  • JUNGHO CHO (Department of Chemical Engineering, Kongju National University)
  • 고영수 (국립공주대학교 화학공학부) ;
  • 장경룡 (맑은환경산업(주)) ;
  • 김정훈 (한국화학연구원) ;
  • 조영주 (국립공주대학교 화학공학부) ;
  • 조정호 (국립공주대학교 화학공학부)
  • Received : 2024.01.30
  • Accepted : 2024.02.13
  • Published : 2024.02.28
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Abstract

In this paper, a new technology to obtain electronic grade, highly pure carbon dioxide by using membrane and liquefied natural gas (LNG) cold heat assisted cryogenic distillation has been proposed. PRO/II with PROVISION release 2023.1 from AVEVA company was used, and Peng-Robinson equation of the state model with Twu's alpha function to predict pure component vapor pressure versus temperature more accurately was selected for the modeling of the membrane and cryogenic distillation process. Advantage of using membrane separation instead of selecting absorber-stripper configuration for the concentration of carbon dioxide was the reduction of carbon dioxide capture cost.

Keywords

Acknowledgement

이 논문은 공주대학교 연구년 사업에 의하여 연구되었음.

References

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