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8961684 Production of coal combustion products for use in cementitious materials  
A method and system for producing modified coal combustion products are disclosed. The additives reduce the particle sizes of the coal combustion product and may reduce the amount of un-burned...
8882906 Method for recycling waste water from a stainless steel slag treatment process  
The present invention relates to a method for recycling waste water from a stainless steel slag treatment process wherein stainless steel slag is brought into contact with water, in particular to...
8858705 Process for the production of binders  
The invention relates to a process for the production of binders by calcinating mineral raw material mixtures. In order to improve the process and the quality of the binders, it is proposed that...
8795616 Method for the treatment of waste gas with a dual-purpose reactor integrated within cement production facility and the system thereof  
A system and method of using a double-effect-reactor to dispose incinerated flue gas and improve cement yields. The double-effect-reactor features an incinerated reaction chamber and a gas-solid...
8677913 Method and device for incinerating combustion material  
A method and apparatus for incinerating combustion material in the form of combustible waste during cement production is provided. The method includes introducing combustion material in the form...
8636840 Process for utilizing organic waste materials  
In a process for utilizing organic waste materials, in particular cellulose-containing, moist, organic waste materials, in a clinker production process in which the waste materials are introduced...
8523998 Process for producing geopolymers  
A process for producing a geopolymer includes combusting at least one of oil shale and mineral residues originating from a production of oil using the oil shale so as to produce a combustion...
8474387 Method and apparatus for incineration of combustible waste  
A method and apparatus for incinerating different types of combustible waste in a cement manufacturing process. Two combustion chambers for incinerating waste are arranged in series, with first...
8317917 Green cement for sustainable construction  
“Green” cements, which can be carbon neutral or negative, can be prepared at lower temperatures (450° C.-500° C.) by utilizing feed compositions comprising (i) TiO2, TaOxNy, TiOxNy, RuO2, Pt, TaO,...
8268073 System and method for making cement and cement derived therefrom  
Integrated cement production systems and methods implementing the systems are disclosed, where the integrated cement production systems include a burnable fuel supply subsystem, a cement raw...
8246740 Method and product for varying the thickening time of a class G cement used in completing a subterranean wellbore  
Spent Claus catalyst having a high alumina content is used as an ingredient in the manufacture of Portland cements in place of all or a portion of a conventional source of alumina. The spent Claus...
8187374 Process for manufacturing clinker with controlled CO2 emission  
The invention relates to a process for manufacturing clinker from a raw mix, implementing the following: preheating of the raw mix by combustion flue gases; precalcination of the raw mix; and...
8141501 Method and facility for disposing wet sludge  
A wet sludge disposal facility is capable of smoothly transferring wet sludge to a kiln inlet part of a dry process kiln by a low feeding pressure and without substantially increasing the moisture...
8110039 Cementitious material  
A method of manufacturing a hydratable cementitious material, which includes: a) providing at least one waste material containing calcium, silica, magnesium, aluminium, and/or iron; b) thermally...
8075686 Method for reducing organic chlorine compounds in cement production facility, and cement production facility  
The method for reducing organic chlorine compounds in cement production facility is a method by which a quantity of organic chlorine compounds contained in powder is reduced in the cement...
8038791 Clinker, system and method for manufacturing the same  
A cement product is disclosed. The cement product includes clinker defined by a feedstock material and a ladle metallurgical facility slag material derived from a ladle metallurgical facility...
8029618 Manufacture of Portland cement using spent claus catalyst  
Spent Claus catalyst having a high alumina content is used as an ingredient in the manufacture of Portland cements in place of all or a portion of a conventional source of alumina. The spent Claus...
7906028 Hydraulic cements comprising carbonate compound compositions  
Hydraulic cement compositions that include a carbonate compound composition, e.g., a salt-water derived carbonate compound composition containing crystalline and/or amorphous carbonate compounds,...
7744691 Energy conserving pozzolan compositions and cements incorporating same  
Pozzolan compositions incorporate glassy, amorphous particulates derived from byproducts of processes in which substantial energy was invested in generating those byproducts, at least one of which...
7736432 Ready-mix concrete using recycled concrete aggregate  
A ready-mix concrete and method for making the ready-mix concrete having mix proportions that include at least 70% course recycled aggregate and fly ash is provided. The ready-mix concrete...
7735274 Hydraulic cements comprising carbonate compound compositions  
Hydraulic cement compositions that include a carbonate compound composition, e.g., a salt-water derived carbonate compound composition containing crystalline and/or amorphous carbonate compounds,...
7722717 Hydraulic composition  
A hydraulic composition including: a ground burned product A having a hydraulic modulus (H.M.) of 1.8 to 2.3, a silica modulus (S.M.) of 1.3 to 2.3 and an iron modulus (I.M.) of 1.3 to 2.8; and a...
7708825 Sialite binary wet cement, its production method and usage method  
The technical field of the invention belongs to concrete and cement. The invention relates to a sialite binary wet cement and its package, transportation, storage and application. The sialite...
7699930 Apparatus and method for feeding materials to a cement mill  
A flow enhanced calcium sulfate product includes a calcium sulfate source material, such as a flue gas desulphurization by-product, is pre-blended with a granular feedstock exhibiting good...
7611576 Method and plant for processing waste  
A municipal or like refuse is crushing, mixing with crushed limestone, dry up in two stages—by hot air and by part of solid products of pyrolysis which other part goes on washing out and...
7481878 Activated clays from oil contaminated drill cuttings  
A method for the preparation of activated clays and cement additives from contaminated drill cuttings is provided. The substrate can be mixed with a mineral acid in a first reactor. The acidified...
7265254 Waste processing method, waste processing system, integrated waste processing method, and integrated waste processing system  
Chlorine-containing waste is processed inside a heating device, an alkali metal compound and a calcium compound are given into the heating device while the temperature of a solid phase inside the...
7258737 Method for recycling concrete waste  
A method for recycling concrete waste includes the steps of: a) heating the concrete waste to provide a measure of fragility to the concrete waste; b) milling and sieving the heated concrete waste...
7189074 Method and process for co-combustion in a waste to-energy facility  
The co-combustion process may comprise the following unit operations: routing of hot gas (10) generated in the clinker cooling process to a rotary kiln (1); use of part of the rotary kiln exhaust...
7135068 Method for oxidizing treatment of steel works slag and resulting LD slag  
A treatment method includes injecting oxygen into the liquid steel works slag, adding and dissolving in the slag alumina and lime sources, and optionally silica and iron sources and cooling the...
7037368 Mid-kiln injection of waste-derived materials  
A method for the production of cement clinker comprises the introduction of non-traditional materials into the kiln, preferably at a mid-kiln locations. The non-traditional materials are materials...
6908507 Process and a plant for the production of Portland cement clinker  
A process is disclosed for producing cement clinker, comprising the steps of: a) providing a mixture of ground calcareous materials and ground argillaceous materials; b) heating the mixture of...
6875267 Process and device for feeding dispersible solid fuels into the calcinator of a cement clinker production line  
In order to make sure, for cement clinker production lines with blown injection of dispersible solid fuels such as, for example, coal dust, into the calcinator which is provided with fuel, that an...
6855302 Method for emission control of dioxin and/or furan waste gas pollutants in a cement clinker production line  
In order to provide a comparatively simple and cost-effective method for cement clinker production lines where especially raw materials and/or fuel/secondary fuel containing chlorine compounds and...
6764544 Process for incorporating coal ash into cement clinker  
A method of cement clinker manufacture comprises feeding a clinker feed material containing a source of calcium carbonate into a feed end of a cement kiln, the feed material is heat processed in...
6752865 Process for manufacturing of high iron hydraulic cement clinker  
The present invention describes a process for manufacture of high iron hydraulic cement clinker in production of cement and cementation binder for application in construction activity and in...
6740157 Method for cement clinker production using vitrified slag  
A method for the production of cement clinker comprises the introduction of vitrified slag into the feedstock stream prior to the clinkering zone. The addition of vitrified slag can increase the...
6733583 Process for producing a blended cement having enhanced cementitious properties capable of combination with class C fly ash  
The present invention provides a method of producing a blended cement capable of meeting ASTM C-595 and C-1157 standards. The blended cement of the present invention contains portland cement...
6709510 Process for using mill scale in cement clinker production  
A process for forming cement clinker using mill scale that may have hydrocarbons associated therewith. Normal feedstock material is preheated and then transferred to a combustion area. The mill...
6709509 Portland cement manufacture from slag from the production of magnesium metal  
A process for the production of Portland cement and white Portland cement using magnesium furnace slag, a waste product from the manufacture of magnesium metal, as a primary starting material. The...
6695909 Concrete with improved freeze/thaw characteristic  
An improved freeze/thaw characteristic is achieved in concrete by substituting crumb rubber for entrained air. The percent by volume of entrained air for concrete prescribed for a given set of...
6695911 Method and installation for production of cement clinker  
In the production of cement clinker or cement with the addition of a cement additive (40), such as for example slag, which is ground in a closed-circuit grinding installation into slag meal (32)...
6685771 Introducing an additive to portland cement  
The present invention provides methods and systems of incorporating a mineral based particulate into Portland cement including agglomerating a particulate material and an agglomerating material to...
6593262 Porosifying, solidification-accelerating additive for binding agent building materials, and process of producing  
A porosifying, solidification-accelerating additive for binding agent building materials consisting of Al2O3, 50-90%; MgO, 4-20%; SiO2, 0.5-15%; AlN, 0.1-5%; Fe2O3, 0.1-5%; CaO, 0.1-5%; F, 0.1-5%;...
6514334 Cementitious mixture  
A process for making a hydraulic cementitious mixture, which process comprises the steps of: (i) providing a first granular composition (A) comprising expressed in terms of weight percent on an...
6491751 Method for manufacturing cement using a raw material mix including finely ground steel slag  
A method is provided for manufacturing cement from a raw material mixture which includes finely ground steel slag. Selected quantities of steel slag and other raw materials are mixed with each...
6488766 Aggregate using recycled plastics  
The present invention comprises an aggregate for use in cementitious building materials which-successfully incorporates plastic such as recycled plastic scrap of diverse types and a abrasive,...
6478870 Process aid for preparing a flowable slurry  
A process for preparing a flowable slurry comprising mixing 25-70 wt. % water; an alkaline material selected from the group consisting of chlorosilicon manufacturing byproducts, direct process...
6471767 Process for recycling gypsum-based waste material into readily crushable members for use in the manufacture of cement and crushable members formed thereby  
A process for forming crushable, “synthetic” rocks from waste gypsum involves collecting natural and synthetic gypsum waste in the form of flue gas desulfurization (“FGD”). The gypsum waste has a...
6468345 Process for producing both steam power and cement clinker simultaneously in one apparatus its products, apparatus and use  
The present invention discloses a process for producing both steam power and the fast-burnt cement clinker/fast burnt modified coal ash simultaneously in one apparatus, the fast-burnt cement...

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