Cement Process & Energy Savingof Raw Materials and Cement Product. 37-59. 26-41. Gypsum. 40-90. Iron-ore . required for production of 1 ton of Cement. 1,095 .. 1)Use of industrial waste.gypsum used to produce 1 tonne of cement,What is the proportion of cement constituents (that is line and .Generally, the composition for cement is in the region of 67% CaO, 22% . 1 Recommendation .. Moreover laterite can be used in cement production as clay.cement raw materials - British Geological SurveyThis covers five main types of cement used for concrete (Table 1.1.1) and indicates the relative proportions . and ideally close by other major raw materials (clay and gypsum). . per tonne of cement produced by 2010, from a 1990 baseline.
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