US 2022/0002197 A1

Additive for blended cement compositions, cement produced therefrom and methods related thereto

(22) 14.11.2019

(43) 06.01.2022

(57) The present invention relates to a cement additive for use in a blended cement composition, the additive comprising a precipitated calcium carbonate formed from mineral sequestration of carbon dioxide.

(71) Carbon Capture Machine (UK) Limited, Aberdeenshire (GB)

Issue 2016-9 WO 2016/115398 A1

Controlled process for precipitating calcium carbonate and vaterite precipitated calcium carbonate compositions formed by said process

(22) 14.01.2016 (43) 21.07.2016 (57) A process for converting gypsum into precipitated calcium carbonate including reacting a mixture comprising gypsum and a seed, a mineral acid, or both with at...

Issue 2023-4 WO 2023/054239 A1

Method for fixing carbon dioxide, method for producing calcium carbonate, and method for utilizing waste gypsum board

(22) 26.09.2022 (43) 06.04.2023 (57) The present invention provides a method whereby carbon dioxide can be efficiently fixed and calcium carbonate, which is a valuable, can be efficiently produced...

Issue 2020-7-8 KR20200034144 (A)

Method for capturing storaging and using carbon dioxide in waste gas of cement production comprising the using of waste heat of cement calcination process

(22) 21.09.2018 (43) 31.03.2020 (57) The present invention is a first step of cooling the exhaust gas containing carbon dioxide discharged from the cement kiln and sending it to an absorption tower...

Issue 2023-1 US 2022/0380655 A1

Carbon dioxide sequestered cement for well cementing

(22) 27.05.2022 (43) 01.12.2022 (57) A method of making a cement composite can include contacting an aqueous solution comprising calcium ions with a carbon dioxide source producing a carbonated...

Issue 2023-1 WO 2022/229120 A1

Lime kiln system for burning carbonate rock, and method for converting a GGR shaft kiln into a lime kiln system comprising a shaft kiln

(22) 25.04.2022 (43) 03.11.2022 (57) The invention relates to a lime kiln system (4) comprising at. least. one shaft. kiln (1) for burning and cooling material, such as carbonate rock. The lime kiln...

ZKG 2/2022