Capitol Aggregates Cement to Build Carbon Capture Plant

Texas-based cement producer Capitol Aggregates Cement, in conjunction with Austin-based Skyonic Corporation, is preparing to retrofit the world’s first commercial-scale carbon capture and mineralization plant at its San Antonio facility. The plant is expected to account for the profitable removal of more than 300,000 tons of carbon dioxide.

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Settlement with Ash Grove to Reduce Emissions

Ash Grove Cement Co. agreed to pay a $2.5 million penalty and invest approximately $30 million in pollution-control technology at its nine Portland cement manufacturing plants to resolve alleged violations of the Clean Air Act, announced the U.S. Environmental Protection Agency (EPA) and the Department of Justice.
The agreement will reduce more than 17,000 tons of harmful nitrogen oxides (NOx) and sulfur dioxide (SO2) pollution each year across plants located in Foreman, Ark.; Inkom, Idaho; Chanute, Kan.; Clancy, Mont.; Louisville, Neb.; Durkee, Ore.; Leamington, Utah; Seattle; and Midlothian, Texas.

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Mexico’s Housing Construction Crisis Lowers Cement Demand

Holcim Mexico considers the housing construction crisis in Mexico will take another two years to overcome, with negative effects in the construction industry in general and the cement industry in particular, said the company director in an interview with El Financiero.

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Scientists Discover Formula to Turn Cement into Metal

A team of scientists from Japan, Finland and Germany have discovered the formula to turn liquid cement into liquid metal. This makes cement a semi-conductor and opens up its use in the consumer electronics marketplace for thin films, protective coatings and computer chips.

Previously only metals have been able to transition to a metallic-glass form. Cement does this by a process called electron trapping, a phenomena only previously seen in ammonia solutions. Understanding how cement joined this exclusive club opens the possibility of turning other solid, normally insulating materials into room-temperature semiconductors.

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