Renewables-based decarbonization and relocation of iron and steel making: A case study

被引：103

作者：

Gielen, Dolf ^{[1
]}

Saygin, Deger ^{[2
,3
]}

Taibi, Emanuele ^{[1
]}

Birat, Jean-Pierre ^{[4
]}

机构：

[1] Innovat & Technol Ctr IITC, Int Renewable Energy Agcy IRENA, Bonn, Germany

[2] SHURA Energy Transit Ctr, Istanbul, Turkey

[3] Sabanci Univ, Istanbul, Turkey

[4] IF Steelman, Semecourt, France

来源：

JOURNAL OF INDUSTRIAL ECOLOGY | 2020年 / 24卷 / 05期

关键词：

commodity trade; decarbonization; hydrogen; industrial ecology; iron and steel; renewable energy; DIRECT REDUCTION; ENERGY; INDUSTRY; BIOMASS; FUTURE; CO2; TECHNOLOGIES;

D O I：

10.1111/jiec.12997

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The article assesses the future role of hydrogen-based iron and steel making and its potential impact on global material flows, based on a combination of technology assessment, material flow analysis, and microeconomic analysis. Renewable hydrogen-based iron production can become the least-cost supply option at a carbon dioxide (CO2) price of around United States dollars (USD) 67 per tonne. Availability of low-cost renewable electricity is a precondition. Australia is the world's largest producer of iron ore and at the same time a country with significant low-cost renewable electricity potential. A shift to direct reduced iron (DRI) exports could reduce global CO(2)emissions substantially and at the same time increase value added in Australia, while maintaining steel production in countries that are currently processing ore into iron and steel, such as China, South Korea, and Japan. The approach could be expanded to other parts of the world and other energy-intensive industry sectors. Such relocation analysis in a climate context can become a new industrial ecology research area. Iron and steel industry CO(2)emissions can be reduced by nearly a third, around 0.7 gigatonnes (Gt) CO(2)per year. To achieve these emission reductions, investment of USD 0.9 trillion, or 0.7% of the total energy sector investment needs, would be required, global DRI production would have to increase seven-fold from today's level, and the hydrogen energy used would equal 1% of global primary energy supply. Such a shift could develop from 2025 onward at scale, if the right policies are put in place.

引用

页码：1113 / 1125

页数：13

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