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Nippon Steel Carbon Neutral Vision 2050

As a part of our widespread efforts toward achieving a decarbonized society, by adopting “Nippon Steel Carbon Neutral Vision 2050 – A Challenge of Zero-Carbon Steel” as our own new initiative, Nippon steel will consider and implement various measures as a top priority management issue.

Challenge of Zero-Carbon Steel

We have decided to actively work to achieve zero-carbon steel as a top priority management issue, and have established a new "Key Phrase" to summarize our environmental management and an "Activity Logo" to represent our activities as our "Environmental Brand Mark". We will make a concerted effort to tackle these extremely difficult issues.

Key Phrase

Key Phrase

Activity Logo

Activity Logo

Zero-Carbon Steel: Our CO2 emissions reduction scenario

2030 Target

30% or more reduction in total CO2 emissions vs. 2013

[Means]

  • Actual implementation of the COURSE50 in the existing BF and BOF process
  • Reduction of CO2 emissions in existing processes
  • Establishment of an efficient production framework

Vision 2050

Aim to become carbon neutral

[Means]

  • Mass-production of high-grade steel in large size EAFs
  • Hydrogen reduction steelmaking (by Super-COURSE50 use of BFs; direct reduction of 100% hydrogen)
  • Multi-aspect approach, including CCUS* and other carbon offset measures,
Total CO2 emissions (MT/Y)

Carbon neutral steelmaking process

Carbon neutral steelmaking process

Our roadmap of CO2 emissions reduction measures

Our roadmap of CO2 emissions reduction measures

Technological challenges for ultra innovation and external conditions required

Production of high-grade steel by use of large size EAF

Technological challenges

  • Scrap: Establishment of technology to eliminate harmful elements from hazardous materials, and use of direct-reduced iron at the same time
  • EAF: Increase of productivity, size and efficiency of EAF

External condition

  • Realization of carbon free power at a competitive cost

CO2 emission reduction by hydrogen reduction in BF (COURSE50, Super-COURSE50)

Technological challenges

  • Technology for hydrogen heating and blowing for endothermic reactions during hydrogen reduction
  • Technology for minimizing the use of coking coal to secure the minimum amounts of heating source and gas flows, and use of direct-reduced iron
  • Countermeasures to offset the remaining CO2 emission (CCUS)

External condition

  • Realization of CCU (CO2 reuse technology), CCS (CO2 underground storage technology)
  • Large-scale supply of carbon free hydrogen

100% hydrogen direct reduction process

Technological challenges

  • Establishment of hydrogen direct reduction method

External condition

  • Large-scale supply of carbon free hydrogen

Challenges to realize zero-carbon steel and collaboration with society

Take on the challenge to develop and practically implement ultra-innovative technologies ahead of the other countries to realize zero-carbon steel, as Nippon Steel’s top priority issue, which is essential for Japan’s steel industry to continue to lead the world and to maintain and strengthen the competitiveness of Japanese industry in general.

3 factors to increase costs for the zero-carbon steel project

  • Huge R&D costs
  • Huge CAPEX for practical implementation
  • Increase in operational cost, even if inexpensive carbon free hydrogen and zero-emission power are to be secured

The production cost of crude steel may more than double the current cost.

Images of R&D cost and CAPEX for the zero-carbon steel project

3 collaborations required for realizing zero-carbon steel

  • A national strategy to realize a “virtuous cycle of environment and growth”
    Long-term and continuous government support for R&D in the field of breakthrough innovation etc.
    Establishment of inexpensive and stable large-scale hydrogen supply infrastructure
    Realization of carbon free power at an international competitive cost
    Promotion of national projects for the development and commercialization of CCUS
  • Realization of government’s comprehensive policies to secure equal-footing in international competition, strengthen industrial competitiveness, and lead to business chances
  • Formation of consensus on the issue of cost bearing by society
    Establishing a system for society as a whole to bear the enormous costs of realizing of zero-carbon, such as R&D costs, CAPEX for replacing existing facilities, and significant increase in production costs.
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