DOE further funds Cemex testing of solar-powered cement clinker process

The U.S. Department of Energy has awarded $3.2 million to Solar MEAD, a joint project of its New Mexico affiliate, Sandia National Laboratories, Cemex S.A.B. de C.V., and Swiss concentrated solar thermal (CST) technology developer Synhelion. Investigators aim to replace the use of fossil fuels with CST energy to provide the 1,500°C heat required to calcine cement kiln raw feed—limestone,…

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