US 2021/0179492 A1

Method for preparing an ettringite binder for
producing construction materials

(22) 07.11.2018

(43) 17.06.2021

(57) A method for preparing an ettringite binder from an aluminosilicate source, a calcium sulfate source and a calcium hydroxide (or slaked lime, CH) source, the binder including a catalyst and/or an activator. Also the use of the ettringite binder produced by the method for producing cement, masonry cement, mortar, concrete, road binders and/or formulated lime.

(71) Hoffmann Green Cement Technologies, Rives de l‘Yon (FR)

(73) Hoffmann Green Cement Technologies, Rives de l‘Yon (FR)

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