Journal ArticleDOI
The role of carbon capture, utilization and storage in realizing China's carbon neutrality: A source-sink matching analysis for existing coal-fired power plants
Jing-Li Fan,Luan N. T. Huynh +1 more
- Vol. 178, pp 106070-106070
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TLDR
Based on a CCUS source-sink matching analysis, the authors investigates the role of CO2 emissions reduction of existing coal-fired power plants in realizing China's carbon neutrality, and the best window for retrofitting China's existing CFPPs is quite short and will soon be closed, because the cumulative mitigation potential will drop by 3.76-17.14% if the deployment time is delayed by 10 years from 2025.Abstract:
China's carbon neutrality target before 2060 requires a significant CO2 emissions reduction for the power industry. The application of carbon capture, utilization and storage (CCUS) technology in coal-fired power plants (CFPPs) can significantly reduce the CO2 emissions while avoiding stranded assets loss; however, its contribution to carbon neutrality remains unclear. Based on a CCUS source-sink matching analysis, this paper investigates the role of CO2 emissions reduction of existing CFPPs in realizing China's carbon neutrality. This research yielded several important findings. (1) During 2020–2060, China's existing 584 CFPPs (670 GW) will totally lock in associated CO2 emissions of 60.87 Gt CO2, and have the CCUS retrofitting potential of 136–560 GW, contributing to the cumulative CO2 emissions reduction of 5.46–38.48 Gt depending on different deployment time (2025, 2030, and 2035) and maximum transport distance (100 km, 250 km, and 800 km); (2) The best window for retrofitting China's existing CFPPs is quite short and will soon be closed, because the cumulative mitigation potential will drop by 3.76–17.14 Gt (over 40%) if the deployment time is delayed by 10 years from 2025; (3) The geographical consistency of matched CFPPs and storage sites provides great opportunities for the development of CCUS clusters in Bohai Bay Basin, South Huabei Basin, Subei Basin, Songliao Basin, and Junggar Basin; (4) Jiangsu, Henan, Anhui, Hebei, Xinjiang, Heilongjiang, and Tianjin are identified as the highest priority for large-scale CCUS deployment considering that they have low-cost opportunities for CO2 transportation; (5) CFPPs in Heilongjiang, Shanxi and Jilin are more sensitive to the injection rate capacity of nearby storage sites; (6) 300 km are highly suggested to be the upper limit of transport distance especially for those CFPPs targeting deep saline aquifers (DSA) sites. This study provides low-cost CCUS opportunities for provinces and even power plants, as well as support government policymaking, especially in the appropriate length of onshore pipelines and the locations of CCUS hubs. read more
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References
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TL;DR: China’s carbon emissions are re-evaluated using updated and harmonized energy consumption and clinker production data and two new and comprehensive sets of measured emission factors for Chinese coal, finding that total energy consumption in China was 10 per cent higher in 2000–2012 than the value reported by China's national statistics, and that emission factors are on average 40 per cent lower than the default values recommended by the Intergovernmental Panel on Climate Change.
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Committed emissions from existing energy infrastructure jeopardize 1.5 °C climate target
Dan Tong,Dan Tong,Qiang Zhang,Yixuan Zheng,Yixuan Zheng,Ken Caldeira,Christine Shearer,Chaopeng Hong,Yue Qin,Steven J. Davis,Steven J. Davis +10 more
TL;DR: A comprehensive assessment of ‘committed’ carbon dioxide emissions—from existing and proposed fossil-fuel-based infrastructure—finds that these emissions may exceed the level required to keep global warming within 1.5 degrees Celsius.
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A scalable infrastructure model for carbon capture and storage: SimCCS
TL;DR: A scalable infrastructure model for CCS (simCCS) is introduced that generates a fully integrated, cost-minimizing CCS system that is able to aggregate CO2 flows between sources and reservoirs into trunk pipelines that take advantage of economies of scale.
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U.S. DOE methodology for the development of geologic storage potential for carbon dioxide at the national and regional scale
Angela Goodman,J. Alexandra Hakala,Grant Bromhal,Dawn Deel,Traci Rodosta,Scott M. Frailey,Mitchell J. Small,Doug Allen,Vyacheslav Romanov,Jim Fazio,Nicolas J. Huerta,Dustin L. McIntyre,Barbara Kutchko,George D. Guthrie +13 more
TL;DR: A detailed description of the United States Department of Energy (US-DOE) methodology for estimating CO 2 storage potential for oil and gas reservoirs, saline formations, and unmineable coal seams is provided in this article.
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