Environmentalists move to nix fly ash from LEED point consideration

Environmentalists’ latest weapon to undermine the use of coal in power generation follows a curious trajectory: The U.S. Green Building Council’s public comment process for LEED [Leadership in Energy and Environmental Design] rating system revisions. A group comprising federal and state environmental and law enforcement agency officials, PEER contends that construction-grade fly ash—the most widely used coal combustion residual (CCR)—should not qualify as a recycled material in the LEED rating system. It conveyed that position to the USGBC, which on January 19 closed the first of two public comment periods this year toward a new LEED version in fall 2012.

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MonierLifetile deploys photocatalytic cement in smog-wise profile

Boral Roofing has turned to titanium dioxide-dosed cement for Smog-Eating Tile, the latest addition to concrete offerings under the MonierLifetile brand. The specialty cement’s photocatalytic properties speed up oxidation of pollutants and contaminants deposited on concrete surfaces. Smog-Eating Tiles are molded with a base and face mixes, the latter bearing the performance powder.

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Lehigh California plants earn Energy Star designation

Lehigh Hanson, Inc.'s Lehigh Cement Co. plants in Redding and Tehachapi, Calif., have earned the U.S. Environmental Protection Agency’s (EPA) prestigious Energy Star, the national symbol for protecting the environment through superior energy efficiency.

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Brazil's Votorantim orders six more vertical mills

FLSmidth has been awarded a contract worth approximately $32 million from Brazil's Votorantim Cimentos, Ltda., to supply six OK mills for cement grinding. The mills will be installed with the new pyroprocessing lines, also purchased from FLSmidth, as announced in July 2010. The contract includes supply of the main equipment, process engineering, and site advisory and commissioning services for four OK 33-4 mills and two OK 36-4 mills.

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