利用甲烷化工艺开发碳回收直接还原工艺.pdf

1、Copyright 2025 JFE Steel Corporation.All Rights Reserved.Steel Research LaboratoryDevelopment of Carbon Recycling Direct Reduction Process using Methanation Process1Breakthrough Technology Conference 2025 Singapore02/12/2025Steel Research LaboratoryCarbon Neutral Process Research DepartmentY.Shimura

2、,K.Terui,K.Moriya,T.Nouchi,S.Ozawa,S.Hosohara,A.MuraoCopyright 2025 JFE Steel Corporation.All Rights Reserved.Steel Research Laboratory2ContentsBackgroundTechnical challenge for carbon neutrality Methanation test planning Current status of reduction tests using shaft furnaceCopyright 2025 JFE Steel

3、Corporation.All Rights Reserved.Steel Research Laboratory3ContentsBackgroundTechnical challenge for carbon neutrality Methanation test planning Current status of reduction tests using shaft furnaceCopyright 2025 JFE Steel Corporation.All Rights Reserved.Steel Research Laboratory4JFE Steels Transitio

4、n to Low-carbon Processes+CCUCO2CO2CO2Small-scale testsMid-scale demonstration testsDevelop large-scale furnaces LNG injection HBI Oxygen blast furnacesEAF iron sourceDouble-slagrefining processDRP technologyUpgrade Sendai EAFLarge,high-efficiency EAF(possibly in Kurashiki District)Carbon-free hydro

5、genCCSCarbon-free electricityUse of scrapEAFExpand use of scrapSustainable market based on actual environmental valueCarbon recycling blast furnaceDirect reductionExternal conditions Carbon-free electricity Carbon-free hydrogen CCUSGreen steelRoll out based on hydrogen supply volumeHigh-grade HBIUse

6、 in existing blast furnaces Low-grade ore Carbon recycling technologyDirect-reduced iron made with blast furnace-grade ore(Fe65%)Transition to carbon-free hydrogenTransition to carbon-free electricityStore CO2 in slag/concreteTodays Topic202418%less CO2203030%or moreInnovation PeriodTransitionPeriod