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)

Issue 5/2021 RU2748328 (C1)

Method for preparing Portland cement binder with addition of high-calcium ash from thermal power plants

(22) 14.09.2020 (43) 24.05.2021 (57) Field: building materials. Substance: invention relates to the field of building materials and can be used in the production of various concrete and mortar...

Issue 06/2024 WO 2024 127241 A1

Method of producing cement clinker from a source of calcium sulfate

(22) 12.12.2023 (43) 20.06.2024 (57) A method of producing cement clinker from a source of calcium sulfate, comprising - a first step of desulfurizing the source of calcium sulfate in the absence of a...

Issue 10/2020 KR20200076340 (A)

Low carbon low burning cement clinker and preparing method thereof

(22) 19.12.2018 (43) 29.06.2020 (57) The present invention is a low-temperature calcined cement clinker comprising Iimit and calcium silicate, the cement clincher is a low-grade limestone having a CaO...

Issue 6/2021 WO 2021/120705 A1

Method for preparing α-hemihydrate gypsum

(22) 07.09.2020 (43) 24.06.2021 (57) Disclosed is a method for preparing ?-hemihydrate gypsum, the method involving using citric acid as a crystal transformation agent to prepare dihydrate gypsum, and...

Issue 5/2021 WO 2021/080870 A2

Method of making purified precipitated calcium carbonate from lime mud

(22) 16.10.2020 (43) 29.04.2021 (57) A method of making a purified precipitated calcium carbonate from lime mud can include admixing a lime mud cake with water and sodium carbonate to form a first...

ZKG 6/2021