(22) 27.02.2017
(43) 16.03.2017
(57) The invention relates to a method and apparatus of removing sulphate and soluble metals such as calcium from water. The invention relates also to a method of...
(22) 01.07.2016
(43) 02.03.2017
(57) Cementitious compositions and methods for preparing and using the cementitious compositions to yield hardened concrete. The cementitious compositions yield...
(22) 23.08.2016
(43) 09.03.2017
(57) A roll crusher of a cooler device is provided which can level out changes over time in the load on the rolls. This roll crusher 15 of a cooler device 1 is provided...
(22) 26.08.2016
(43) 09.03.2017
(57) A method and system for calculating the viscosity of cement slurry used for a primary cementing of an oil or gas well (12) comprises: pumping the cement slurry...
(22) 08.09.2016
(43) 16.03.2017
(57) The invention provides methods and compositions for carbonation of a wet cement mix. The wet cement mix may be carbonated prior to addition of aggregates,...
(22) 04.09.2015
(43) 09.03.2017
(57) A discharge gate is provided for delivering a mixed slurry from a gypsum slurry mixer, and includes a first extractor port configured for generating a first...
(22) 21.11.2016
(43) 09.03.2017
(57) A method for reducing pollution in a cement kiln environment and a system for treating cement kiln exhaust gas are provided. The method includes the steps of:...
(22) 02.09.2016
(43) 09.03.2017
(57) A cement composition and a process are provided for recycling a waste material by using the waste in the manufacture of Portland cement. The process generally...
(22) 06.05.2015
(43) 16.03.2017
(57) In some embodiments, the present disclosure pertains to methods of forming calcium-silicate-hydrate particles by mixing a calcium source with a silicate source. In...
