Steel Industry Leaps Forward with ‘Bridge’ Technology for Carbon Neutrality – Overcoming Limitations of Electricity, Accelerating Carbon Reduction with Innovative Solutions

The South Korean steel industry is actively adopting ‘bridge technology’ as a new strategy to achieve carbon neutrality goals. Traditional efforts to reduce carbon emissions, limited by the constraints of purely electric-based methods, are now accelerating as innovative technologies that maximize energy efficiency are implemented. This represents a crucial step beyond simple technological improvements, securing the sustainability of the industry and strengthening its future competitiveness.

The Challenge of Carbon Reduction in the Steel Industry: Limitations of Existing Methods

With the increasing importance of energy transition, the steel industry has been under pressure to reduce carbon emissions. Historically, increasing electricity usage has been the primary approach to reducing carbon emissions from the production process. However, this method has revealed limitations from an energy efficiency perspective. Particularly, steel production requires massive energy consumption in high-temperature processes, presenting a realistic challenge in achieving carbon reduction goals solely through electricity.

The Emergence of ‘Bridge Technology’

Currently, ‘bridge technology’ is attracting attention in the steel industry. This refers to technologies that recycle heat energy generated during the production process alongside electricity usage. For example, using waste heat from the production process to operate other processes or produce hot water is utilized. These technologies can reduce carbon emissions while also increasing energy efficiency and contributing to cost reduction in production.

Specific Examples of Waste Heat Recycling Technology

Waste heat recycling technology can be applied in various forms.

• Heat Exchangers: This involves using waste heat from the production process to heat cooling water for other processes.
• Compressed Air Production: This utilizes waste heat to compress air and apply it to pneumatic processes.
• Hot Water Production: This produces hot water using waste heat and supplies it to industrial sites or residential areas.

Accelerated Carbon Reduction Speed: The Role of Innovative Technologies

The introduction of ‘bridge technology’ has dramatically accelerated the carbon reduction speed of the steel industry. It allows a shift from the traditional approach of using electricity to achieve carbon reduction goals, while simultaneously increasing energy efficiency and reducing carbon emissions. This is expected to play a crucial role in securing the sustainability of the steel industry and strengthening its future competitiveness.

Future Outlook: Transition to a Sustainable Steel Industry

In the future, the steel industry is expected to introduce various eco-friendly technologies, including hydrogen direct reduction, carbon capture and utilization, in addition to ‘bridge technology’. Through these technologies, the steel industry can achieve carbon neutrality goals and contribute to a sustainable future.