METHOD FOR PRODUCING A LOW-CARBON CLINKER
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United States of America Patent
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Sep 22, 2016
app pub date -
Mar 10, 2016
filing date -
Mar 10, 2016
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Abstract
Method for producing a low-carbon clinker with low energy consumption comprising the following stages: pre-calcination of the limestone present in the raw material, along the pre-calciner and in the cyclone tower; start of the clinkering process with the raw material inlet after pre-calcination, at a temperature higher than 1400° C. and with a C3S content above 60%; cooling the material, and finally introduction of 5 to 30% of silico-aluminous materials relative to the mass of material which is here processed in the cooling stage, at the cooler head.
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