US 2020/0109086 A1

Method for manufacturing cement

(22) 28.05.2018

(43) 09.04.2020

(57) The present invention pertains to a method for manufacturing cement, wherein the gypsum is first calcined separately before being inter-grinded with the clinker so as to minimize the release of water of crystallization of during the inter-grinding stage. The method produces cement of high strength at all ages, better rheology, enables higher use of fly ash, and reduces CO2 emission during manufacturing.

(71) Ravi Kant Ahalawat, Faridabad (IN)

x

Related articles:

Issue 2020-5-6 AU2017426099 (A1)

Improvement of tucco properties through aging at elevated temperatures and high humidity level

(22) 04.08.2017 (43) 20.02.2020 (57) The invention pertains to a method for stabilizing stucco wherein – a fresh stucco is provided; – water is added to the fresh stucco to obtain moistened stucco,...

more
Issue 2018-9 WO 2018/091062 A1

Process and apparatus for calcination of gypsum

(22) 18.11.2016 (43) 24.05.2018 (57) The invention pertains to a process for modifying gypsum, wherein a continuous feed of raw gypsum is provided; the water content of the raw gypsum is determined in...

more
Issue 2020-3 WO 2019/225202 A1

Treatment method for reducing carbon dioxide discharge amount of combustion exhaust gas

(22) 11.04.2019 (43) 28.11.2019 (57) The present invention pertains to an efficient method for refining sodium carbonate using natural sodium carbonate ore comprising Na2CO3 and NaHCO3, and a method...

more
Issue 2019-12 EP3541765 (A1)

Process and apparatus for calcination of gypsum

(22) 18.11.2016 (43) 25.09.2019 (57) Summary of the corresponding patent WO2018091062 (A1): The invention pertains to a process for modifying gypsum, wherein a continuous feed of raw gypsum is...

more
Issue 2015-11 WO 2015/133654 A2

White cement and its manufacturing method

(22) 08.04.2014 (43) 11.09.2015 (57) The present invention relates to white cement made of pencatite and its manufacturing method. The present invention provides white cement manufactured through...

more