日本 - Toshio Isohara新日铁.pdf

1、Copyright Hydrogen Steelmaking Consortium1Hydrogen Utilization in Iron and Steelmaking Project Supported by Green Innovation Fund Decarbonisation Roadmap of Japan1 December 2025 Toshio Isohara,Nippon Steel CorporationWorkshop-Regional Decarbonisation Roadmapsworldsteel Copyright Hydrogen Steelmaking

2、 Consortium2China 31.9%USA 13.2%India 8.0%Russia 4.6%Japan2.9%IndonesiaIranSaudi ArabiaGermanyKoreaCanadaMexicoBrazilS.AfricaTurkeyOthers23.9Global CO2 Emissions35.1Bt-CO22023Source:GLOBAL NOTESource:GLOBAL NOTEIndustries37%Transportation20%Commercial/Service19%Residential16%RefineryPower Plant9%Ste

3、el 14Chemical 6%Machinery 5%Ceramics 3%Paper/Pulp 2%Food 2%Others 6%Energy-relatedCO2 Emissionsin Japan964 Mt-CO2FY2022Source:Challenges towards Carbon NeutralitySource:Challenges towards Carbon NeutralityGlobal and Japanese CO2 Emissions Japan is the fifth largest CO2 emitter in the world,ca.3%.14%

4、of whole domestic CO2 emission is discharged from steel industry in Japan.Since 2008,the Japanese steel industry has been working on technology development aimed at reducing CO2 emissions from steelworks.Copyright Hydrogen Steelmaking Consortium3Development of Hydrogen Reduction Steelmaking Aimed at

5、 reducing CO emissions in Japanhttps:/www.greins.jp/en/message/message01/2008:Launched COURSE50 project to develop blast furnace hydrogen reduction technology.COURSE50 means CO2 Ultimate Reduction System for Cool Earth 50.2017:Confirmed for the first time globally that hydrogen reduction technology

6、can reduce CO2 in blast furnaces by more than 10%using an experimental blast furnace.2021:Started GREINS project(Green Innovation in Steelmaking),a multi-pathway development initiative including following processes:Blast furnace process Direct reduction process Electric arc furnace process Electric