Clay Processing for the Cement Industry

Dr. Allistair Wilkinson

The cement industry is responsible for approximately 8% of total global CO2 emissions annually. This is largely due to high temperature processing of limestone as the main raw material in the production of clinker. Clay, typically shale, can also account for approximately 10% of the raw material used in cement production, providing important chemical compounds necessary for producing high-quality clinker.…

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imi, Cemex Veteran Lyons Takes Helm at SCM Developer Terra CO2

Pete-Lyons

Colorado supplementary cementitious materials process developer Terra CO2 Holdings LLC has appointed Pete Lyons as chief executive officer, a title he held through late-2025 at Indiana aggregate and ready mixed concrete producer Irving Materials Inc (imi).  He arrives with Terra CO2 six months into construction of its first commercial scale facility — a 240,000-tpy capacity operation in Cleburn, Texas, dedicated…

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