I03 cement June 2010 GSgct IEAETSAP
Cement Production HIGHLIGHTS PROCESSES AND TECHNOLOGY STATUS – The manufacture of cement is a twophase process. Clinker is first produced in a kiln system from calcareous (limestone, chalk or marl) and argillaceous (clay or shale) materials, with addition, in some cases, of small amounts of corrective materials (sand, waste bauxite, iron ore).
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