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Holcim announces investment in ‘innovative’ Sublime Systems

Holcim has invested in Sublime Systems to help expand its range of low-carbon technology and decarbonisation solutions.

The investment will help Sublime Systems enhance its commercial manufacturing facility in Massachusetts in the USA. As part of this, Holcim will receive a large share of Sublime Cement which is produced at the facility.  

The two companies will establish a team to work together on further facilities which will help scale up and commercialise Sublime Systems’ technology.  

“The Sublime Systems team has developed a unique technology to decarbonise cement, cutting across the entire production process from the use of clean electricity to carbon-free raw materials,” Nollaig Forrest, chief sustainability officer at Holcim, said. 

“We are excited about this technology’s potential and are delighted to be partnering to bring it to market at scale. This investment advances our strategy to decarbonise construction by scaling up the most innovative technologies across our operations.”  

Sublime Systems is currently building a commercial-sized manufacturing facility which will be capable of producing 30,000 tonnes of cement per year from 2026. The company specialises in using “clean electricity” and carbon-free raw materials in its cement production process which is based on a proprietary CO₂-free electrochemical system, according to the company.  

“In the cement industry, scale is everything. We are proud to collaborate with Holcim who supports our mission of swift and massive impact,” Dr Leah Ellis, chief executive officer and co-founder of Sublime Systems, said.  

“By pairing Sublime’s technology with Holcim’s advanced global operations from manufacturing and logistics to commercial distribution, we can scale up our impact together.” 

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