WO 2021/001781 A1

Clinker

(22) 02.07.2020

(43) 07.01.2021

(57) The present invention relates to clinker, in particular cement clinker. The invention provides a method of preparing clinker and extends to clinker prepared in accordance with the method of the invention. The method of producing the clinker includes fts‘‘ heat treating a mixture of synthetic gypsum, shale and a carbon reductant.

(71) Circle Seven Trading 997 CC, 14 Wingen Walk, Shallcross, Durban, 4093 Kwazulu-Natal (ZA)

(84) ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, 1E, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)

x

Related articles:

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...

more
Issue 7/2021 WO 2021/148266 A1

Device and method for producing cement clinker

(22) 11.01.2021 (43) 29.07.2021 (57) The present invention relates to a device for the production of cement clinker, said device comprising a preheater (50), a calciner (60) and a cooler (70). Said...

more
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...

more
Issue 7/2021 WO 2021/140077 A1

Integrated method for the commercial and industrial utilisation of calcium sulphate whilst obtaining rare earth elements from the production of phosphoric acid

(22) 05.01.2021 (43) 15.07.2021 (57) The invention relates to a method for producing sulphuric acid and cement clinker and for obtaining rare earth elements using calcium sulphate, which is formed and...

more
Issue 05/2024 CN117385469 A

Method for preparing alpha-semi-hydrated gypsum seed crystal from natural gypsum

(22) 26.09.2023 (43) 12.01.2024 (57) The invention provides a method for preparing an alpha-type semi-hydrated gypsum seed crystal by using natural gypsum, which is characterized by comprising the...

more