مصنع الأسمنت ccr operater الشغور indubai; How is cement made? Bayt Specialties. Cement is made by heating limestone (calcium carbonate) with small quantities of other materials (such as clay) to1450 °C in a kiln, in a process known as calcination, whereby a molecule of carbon dioxide is liberated from the calcium carbonate to form calcium oxide, or quicklime, which is then ...
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