During calcination in the kiln for making clinker, a powder used to make cement, CO2 is released from raw materials.
Alternative cement-binding materials (or "clinkers") can eliminate these emissions, but there's currently no mature alternative clinker that can significantly reduce emissions at an affordable cost.
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How to make sustainable choices in everyday life
Identifying ways to reduce waste and conserve resources
Understanding the impact of human actions on the environment
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Similar ideas to Global Warming: Cement
Luckily, chemists are inventing a new way of making cement that cuts down on the release of that CO2.
L.C 3 uses Calcine clay: it is heated to around 800 degrees Celsius, (significantly lower than the 4050 needed to produce cement.) and th...
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