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Assessment of Greenhouse Gas Emission Reduction on Ethylene Production using By-product Gas from Steelmaking Industry
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철강 부생가스를 이용한 에틸렌 생산기술 개발에 따른 온실가스 감축량 산정 연구

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Type
Academic journal
Author
Jinjoo An (한국화학연구원) Jina Choi (한국화학연구원)
Journal
Korea Society of Energy&Climate Change Journal of Energy & Climate Change Vol.14 No.1 KCI Accredited Journals
Published
2019.6
Pages
22 - 33 (12page)

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Assessment of Greenhouse Gas Emission Reduction on Ethylene Production using By-product Gas from Steelmaking Industry
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Fossil fuel depletion and global warming have encouraged to develop new technologies to produce petrochemicals from alternative sources while reducing greenhouse gas (GHG) emission. Moreover, as the quantitative verification of GHG reduction potential of technologies under development is greatly required, much interest has been developed in GHG emission accounting. This work assessed the greenhouse gas (GHG) reduction potential of ethylene production using Lintz-Donawiz converter gas (LDG) from steelmaking industry and hydrogen gas. We developed two scenarios based on the GHG accounting methodology used in GHG emission trading system: reduction potentials on the organizational boundaries of steelmaking and petrochemical industries respectively and comprehensive reduction potential on the national level. Steelmaking company (LDG supplier) is able to reduce carbon dioxide emission to 31% of baseline emission by substituting LDG for natural gas, which has the lower carbon content than the by-product gas, in power generation plant. In petrochemical company (LDG consumer), GHG reduction isn’t achieved since the developed ethylene production process generates more GHG compared to conventional naphtha steam cracking process. However, it is mostly due to the transport of greenhouse gas (i.e., CO₂) in LDG from steelmaking company boundary to petrochemical company boundary. In conclusion, overall GHG reduction potential on the national level is 1,083,519 tCO₂eq which is 8 tCO₂/tEthylene by introducing this ethylene production process.
#Steelmaking by-product gas #By-product gas conversion #Ethylene #Olefin #GHG reduction accounting #Carbon credits #GHG accounting scenarios

Contents

ABSTRACT
1. 서론
2. 배출권 거래제 및 온실가스 감축량 산정방법
3. 부생가스 전환 에틸렌 생산 탄소자원화 기술
4. 부생가스 활용 탄소자원화 기술의 온실가스 배출량 산정
5. 부생가스 활용 탄소자원화 기술의 온실가스 감축량 산정
6. 결론
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UCI(KEPA) : I410-ECN-0101-2019-453-000895632