全球钢铁行业碳捕获与封存（CCS）技术的开发与推广.pdf

1、DECEMBER 2025DEVELOPMENT AND ROLLOUT OF CARBON CAPTURE AND STORAGE(CCS)TECHNOLOGIES IN THE GLOBAL STEEL SECTORWORLDSTEEL BREAKTHROUGH TECHNOLOGY CONFERENCEDAVID T.KEARNS PHDCOUNTRY MANAGERAUSTRALIA&NEW ZEALANDGLOBAL CCS INSTITUTETHE GLOBAL CCS INSTITUTEWHO WE AREInternational CCS think tank with off

2、ices around the world.Over 200 members across governments,global corporations,private companies,research bodies,and NGOs,all committed to a net-zero future.WHAT WE DOFact-based influential advocacy,catalytic thought leadership,authoritative knowledge sharing.Accelerating the deployment of CCS for a

3、net-zero emissions future.DECEMBER 2025CCS IN THE GLOBAL STEEL SECTORThe need for CCS in the global steel sectorKey CO2capture technologies for the steel sectorCapture cost driversCCS as pathway to lower cost clean H2for hydrogen-based steelReview of commercial and demonstration CCS projects in iron

4、&steel facilitiesCase studiesCCS AT A GLANCEIndustries such as steel plants produce CO2 in dilute form and at low pressure.CO2 capture separates CO2 from other flue gases to above 95%purity.Conditioning can remove impurities(N2,O2,H2S/SO2,trace metals,particulates)Compress CO2 to high pressure and s

5、tore in secure geological formations.Transport and storage infrastructure can be shared with other industries.Capture is harder for more dilute CO2 streams,easier for more concentrated ones.Todays focus is on capturing CO2 in steel plants and H2 production for new steel facilities.WHY CCS?LARGE GHG

6、FOOTPRINT,YOUNG FLEETSource:IEA 2024;Energy Technology Perspectives 2024,https:/www.iea.org/reports/energy-technology-perspectives-2024,License:CC BY 4.0Typical age of capacity retirement,can continue longerIron/steel industry responsible for 7-9%of global GHG emissionsLarge fraction of global steel