Circular Economy

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CSN Group is a leader in promoting the circular economy, integrating mining, steelmaking, and cement production to reuse co-products across its value chains. The company’s commitment to sustainability is further strengthened by its self-generated renewable energy and efficient logistics.

Production model based on circular economy

In the steel sector, blast furnace slag is reused by CSN Cimentos in cement manufacturing, and steel aggregate has various applications, such as paving, agricultural soil correction, and civil construction. Since 2023, non-hazardous waste has also been used to restore degraded areas in Pinheiral, Rio de Janeiro. The reuse of metallic scrap contributes to the circularity of steel.

The ESG Committee’s Thematic Group on Circular Economy drives innovative solutions, while the Special Sales Management team handles the commercialization of co-products, generating R$ 324.7 million in net revenue in 2024. As a result, 96% of the group’s waste was directed toward sustainable treatment.

Circular Economy

In 2024, the Special Sales Management (GVS) team played a key role in reducing waste sent to landfills and promoting the reuse of these materials, which resulted in a net revenue of R$ 324.7 million.

Revalora

Revalora is CSN Cimento's platform that transforms industrial and urban waste into alternative fuels, promoting a circular economy and reducing CO₂ emissions. In 2024, the company achieved a 100% coprocessing rate at its integrated plants, expanding the sustainable use of waste.

Circula+ Platform

The Circula+ platform, created by CSN Inova in 2022, connects sellers and buyers of co-products through a digital marketplace. It also provides consulting to optimize waste management. In 2024, the platform expanded its operations with customized solutions for waste reduction and environmental compliance.