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Towards carbon neut...
Towards carbon neutrality : Transition pathways for the Chinese ethylene industry
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- Li, Zhenxi (author)
- Lund University,Lunds universitet,Miljö- och energisystem,Institutionen för teknik och samhälle,Institutioner vid LTH,Lunds Tekniska Högskola,Environmental and Energy Systems Studies,Department of Technology and Society,Departments at LTH,Faculty of Engineering, LTH
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- Åhman, Max (author)
- Lund University,Lunds universitet,Miljö- och energisystem,Institutionen för teknik och samhälle,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Energiomställningen,LTH profilområden,Environmental and Energy Systems Studies,Department of Technology and Society,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: The Energy Transition,LTH Profile areas,Faculty of Engineering, LTH
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- Nilsson, Lars J. (author)
- Lund University,Lunds universitet,Miljö- och energisystem,Institutionen för teknik och samhälle,Institutioner vid LTH,Lunds Tekniska Högskola,Trafik och väg,CIRCLE,Institutionen för designvetenskaper,LTH profilområde: Energiomställningen,LTH profilområden,Environmental and Energy Systems Studies,Department of Technology and Society,Departments at LTH,Faculty of Engineering, LTH,Transport and Roads,Faculty of Engineering, LTH,Department of Design Sciences,Faculty of Engineering, LTH,LTH Profile Area: The Energy Transition,LTH Profile areas,Faculty of Engineering, LTH
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- Bauer, Fredric (author)
- Lund University,Lunds universitet,Miljö- och energisystem,Institutionen för teknik och samhälle,Institutioner vid LTH,Lunds Tekniska Högskola,CIRCLE,Institutionen för designvetenskaper,Environmental and Energy Systems Studies,Department of Technology and Society,Departments at LTH,Faculty of Engineering, LTH,Department of Design Sciences,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2024
- 2024
- English.
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In: Renewable and Sustainable Energy Reviews. - 1364-0321. ; 199
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Abstract
Subject headings
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- Ethylene is one of the most important products in the emissions-intensive petrochemical industry. Decarbonizing the ethylene industry is thus important for achieving global carbon neutrality. This study is the first to explore future long-term zero-emissions production pathways for the ethylene industry in China, the world's biggest ethylene producer. An optimization model was built in the context of China's carbon neutrality target of 2060. Four scenarios were developed where the policy ambitions for climate mitigation and for plastic management including waste were varied. Based on this, authors assessed the cumulative total emissions, technology options, future geographical location of ethylene production, and policy challenges associated with each scenario. This is also the first time that scope 3 emissions from waste incineration are included, motivated by the short lifetime of most ethylene products. Results show the cumulative CO2 emissions for the scenarios differ considerably, ranging from 4.3 to 7.8 Gt, even if carbon neutrality by 2060 is achieved in all scenarios. The results suggest that ambitious plastic focused policies can result in lower costs and less cumulative emissions compared to ambitious climate focused policies. The results demonstrate the importance of adopting CCS for waste incineration. This reduces cumulative CO2 emissions by up to 2 Gt. However, reduced overall demand and increased recycling rates should be priority options due to CCS challenges. Results suggest Chinese ethylene industry should adopt a mixed portfolio of production technologies, where the share of emission-intensive coal-based methanol-to-olefins is limited. These findings on decarbonization pathways can contribute to achieving the Paris agreement.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Miljöledning (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Environmental Management (hsv//eng)
Keyword
- Aggressive plastic policies
- Ambitious climate policies
- Chinese ethylene
- Petrochemical industry
- Scope 3 emissions
- Transition pathways
Publication and Content Type
- art (subject category)
- ref (subject category)
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