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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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A Study on the Estimation of Carbon Dioxide Generation During High Purity Hydrogen Production According to Natural Gas Composition

천연가스 조성에 따른 수소 생산 시에 발생하는 이산화탄소 배출량 산출에 대한 연구

  • CHO, JUNGHO (Department of Chemical Engineering, Kongju National University) ;
  • NOH, JAEHYUN (Department of Chemical Engineering, Kongju National University) ;
  • KIM, DONG SUN (Department of Chemical Engineering, Kongju National University)
  • 조정호 (공주대학교 공과대학 화학공학부) ;
  • 노재현 (공주대학교 공과대학 화학공학부) ;
  • 김동선 (공주대학교 공과대학 화학공학부)
  • Received : 2019.11.19
  • Accepted : 2019.12.30
  • Published : 2019.12.30
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Abstract

Hydrogen is known to be a clean fuel which does not generate a green house gas during the combustion. However, about 8 kg of carbon dioxide is generated during the course of producing 1 kg of hydrogen through reforming, water gas shift reaction and pressure swing adsorption in order to obtain a high purity hydrogen over 99.999% by volume. In this work, carbon dioxide generation is estimated according to four kinds of natural gas compositions supplied by Korea Gas Corporation and regarding natural gas as pure methane. For the simulation of the modeling, PRO/II with PROVISION V10.2 at AVEVA was utilized and Peng-Robinson equation of state with Twu's alpha function was selected.

Keywords

References

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