Inevitable Circular Solutions for Heavy Industry with Cocoon
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Jan 16, 2025 Eliot Brooks, CEO and co-founder of Cocoon, is reshaping the heavy industry by transforming steel slag into a sustainable cement source. He discusses the challenges steel decarbonization poses for cement production and how electric arc furnaces are crucial for this transition. Eliot shares insights on building a circular economy, Cocoon's innovative business model, and their recent $5.4 million funding round. With experiences from diverse industries, he emphasizes the need for collaboration and advanced technology to tackle climate challenges in heavy manufacturing.
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Steel Decarbonization's Impact on Cement
- Steel decarbonization, through a shift to electric arc furnaces, impacts cement production.
- The slag byproduct changes, disrupting the circular supply chain between the industries.
Slag Suitability
- Traditional blast furnace slag is used in cement, but electric arc furnace slag isn't suitable.
- This reduces the availability of low-carbon supplementary cementitious materials (SCMs).
Cocoon's Transformation Process
- Cocoon's process transforms steel slag into a usable material for cement by addressing the high iron content.
- They work with molten slag, enabling better process economics and material performance.