11 Apr '12, 1am

Zero Carbon Cement Production with Solar Thermal

Zero Carbon Cement Production with Solar Thermal

In a study published in a recent issue of Chemical Communications , a team of researchers from Virginia’s George Washington University explain a revolutionary way to make lime cement that releases zero CO2 emissions – and costs less too. After coal-powered electricity, cement manufacture is the next biggest emitter of greenhouse gases, because cement is ubiquitous in modern life. It is needed for virtually all skyscrapers, bridges and freeway overpasses and many other buildings and structures including nuclear power plants. The world consumes about 3 trillion kg of cement annually. Pound for pound, kilogram for kilogram, ton for ton, every 10 units of cement will release 9 units of CO2. So it is a huge problem for the increasingly unstable climate we are creating for ourselves. Of the two ways that making cement releases carbon dioxide, separating the lime from the limesto...

Full article: http://cleantechnica.com/2012/04/10/zero-carbon-cement-pr...

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