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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Economic Comparison of Various Turquoise Hydrogen Production Processes

다양한 청록수소 생산 공정에 대한 경제성 분석

  • SOOYONG LEE (Department of Energy Engineering, Korea Institute of Energy Technology (KENTECH)) ;
  • VAN-TIEN GIAP (Department of Zero-carbon Fuel and Power Generation, Korea Institute of Machinery & Materials) ;
  • MUJAHID NASEEM (Department of Energy Engineering, Korea Institute of Energy Technology (KENTECH)) ;
  • JONGHWAN KIM (Department of Energy Engineering, Korea Institute of Energy Technology (KENTECH)) ;
  • YOUNG DUK LEE (Department of Energy Engineering, Korea Institute of Energy Technology (KENTECH))
  • 이수용 (한국에너지공과대학교 에너지공학부) ;
  • 잡반티엔 (한국기계연구원 무탄소연료발전연구실) ;
  • 무자히드 나심 (한국에너지공과대학교 에너지공학부) ;
  • 김종환 (한국에너지공과대학교 에너지공학부) ;
  • 이영덕 (한국에너지공과대학교 에너지공학부)
  • Received : 2023.05.22
  • Accepted : 2023.06.07
  • Published : 2023.06.30
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Abstract

Hydrogen production can be classified based on the energy source, primary reactor type, and whether or not it emits carbon dioxide. Utilizing color representation proves to be an effective means of expressing these distinctive characteristics. Among the various clean hydrogen production techniques, there has been a growing interest in turquoise hydrogen production, which involves the decomposition of methane or other fossil fuels. This method offers advantages in terms of large-scale production and cost reduction through the sale of solid-carbon byproduct. In this study, an extensive literature review was conducted to select and analyze several promising candidates for turquoise hydrogen production processes. The efficiency and economics of these processes were evaluated using stream data reported in the literature sources. The findings indicate that the levelized cost of hydrogen production (LCOH) is significantly influenced by the sales of byproducts, specifically the solid-carbon and carbon monoxide byproducts.

Keywords

Acknowledgement

본 연구는 한국전력공사의 사외공모 기초연구(과제번호: R22XO02-12)와 산업통상자원부 한국에너지기술평가원(과제번호: 20213030020280)의 연구비 지원에 의해 수행되었습니다.

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