FLUXES/MINERALIZERS FOR CALCIUM SULFOALUMINATE CEMENTS
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United States of America Patent
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Jul 28, 2016
app pub date -
Sep 2, 2014
filing date -
Sep 2, 2014
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Abstract
The present invention relates to a method for the production calcium sulfoaluminate (belite, ferrite, ternesite) clinker using fluxes/mineralizers comprising the following steps —providing a raw meal comprising at least sources of CaO, AI2O3, SO3 —sintering the raw meal in a kiln at 1100 to 1350° C. to provide a clinker, —cooling the clinker, wherein at least one compound containing copper and a glass powder or a glass powder are added prior to sintering. The invention further relates to the clinker obtained, as well as to calcium sulfoaluminate based cements and binders produced from the clinker.
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