Co-reactive
Key Facts
| Invested since | 2025 |
| Based in | Erkrath |
About the company
Co-reactive GmbH is a climate-tech start-up founded in 2024, supported by the EXIST program of BMWE and headquartered in Düsseldorf. The company is developing a continuous CO₂ mineralization technology that uses captured CO₂ and magnesium-/calcium-containing silicate minerals such as olivine or metallurgical slags to produce novel, highly reactive supplementary cementitious materials (CO-SCMs). The CO-SCMs have a negative CO₂ footprint and enable a significant reduction of the clinker content in cement and construction materials without compromising performance. Co-reactive works along the entire value chain with CO₂ and raw material suppliers, cement and concrete producers as well as certification bodies to pave the way from pilot plants to
large-scale industrial plants in the 100- to 300-kilotons range. The team combines expertise in CO₂ mineralization, plant engineering, commercialization, and brings experience in scaling sustainable technologies.
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Co-reactive in the news
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Co-reactive secures €6.5 million in seed funding for CO₂-negative construction materials technology
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