13.06.2013 - The coal in the wind turbine
Do we also know that Coal Combustion Products (CCPs)--by-products generated from coal-fired power plants—also help in saving the environment? Fly-ash, a by-product of coal can be used to substitute or supplement cement in construction! And cement, as we have seen, is a vital ingredient in the production of concrete, second only to water in total volumes consumed yearly. It takes 200 kilogram of coal to produce 1 ton of cement...............................................Full Article: Source
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