EP3224219 (A1)

Clinker substitute material made of aluminium silicate and dolomite

(22) 17.11.2015

(43) 04.10.2017

(57) Summary of the corresponding patent WO2016082936 (A1): The invention relates to a method for producing a clinker substitute material comprising the steps: providing a starting material containing dolomite and aluminium silicate, converting the starting material to the clinker substitute material by burning the starting material in the temperature range from >800 to 1100 °C or by burning the starting material in the temperature range from 725 to 950 °C in the presence of a mineraliser, and cooling the clinker substitute material. The invention further relates to a binder comprising cement and to the ground clinker substitute material.

(71) HeidelbergCement AG (DE)

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