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8986444 Hybrid cement clinker and cement made from that clinker  
A hybrid cement clinker incorporates specific ranges of clinker phases and falls within specific modulus values as set forth and described in this document.
8979997 Concrete mixture and method of forming the same  
A concrete mixture for forming a breathable concrete. The mixture comprises aggregate particles and a paste comprising water, cement or cement substitute, and plasticizer. The plasticizer controls...
8974593 Particle packed cement-SCM blends  
Cement-SCM blends employ particle packing principles to increase particle packing density and reduce interstitial spacing between the cement and SCM particles. Particle packing reduces the amount...
8968464 Plastic refractory material and refractory mortar  
A plastic refractory material or a refractory mortar which harden when dried and which contain at least one light-weight filler, a binder, fibers and/or wollastonite as well as water is...
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...
8945300 Utilization of heavy oil ash to produce high quality concrete  
A concrete mixture that includes aggregates, water and cement can include heavy oil ash instead of or in addition to a portion of the cement. In one embodiment, the heavy oil ash originates from...
8936677 Method and installation for beneficiation of fly ash particles by flash combustion  
The invention concerns a method for beneficiation of fly ash particles comprising: determining the heat value of the fly ash particles;comparing the determined heat value of the fly ash particles...
8932402 Construction materials binders  
Hydraulic binder comprising: at least one first calcium aluminosilicate derivative with a fineness of less than 6000 Blaine,slag microparticles with a fineness of greater than or equal to 6000...
8916277 Low embodied energy wallboards and methods of making same  
Wallboards, as well as other building materials, are produced by methods which use significantly reduced embodied energy, generating far less greenhouse gases when compared with the energy used to...
8911548 Chemically bonded ceramics based on fly ash  
Chemically bonded ceramics and manufacturing processes are described. In one aspect, a manufacturing process of a chemically bonded ceramic is carried out by: (1) combining an acidic liquid and...
8905241 Methods for treating bottom ash generated from waste-to-energy facilities to reduce the dependence on bonding agents such as lime or concrete prior to disposal  
A method to significantly reduce the need for treating bottom ash with a bonding agent, such as lime or concrete, as is typically done by Waste-to-Energy facilities within the United States of...
8895486 Methods and compositions comprising cement kiln dust having an altered particle size  
Methods and compositions are disclosed that comprise cement kiln dust having a mean particle size that has been altered. An embodiment discloses a method of preparing cement kiln dust comprising:...
8888909 Method for upgrading combustion ash  
A method of producing enhanced coal combustion ash for use in pozzolanic applications or cement manufacture, in which the enhanced combustion ash has lower mercury content. A slurry is formed of...
8881909 Recovery and upgrading process of incineratior bottom ash from municipal solid waste  
A process for the recovery of bottom ash is characterized by shredding and physical separation phases. The bottom ash undergoes an oxidation treatment of the amphoteric metals contained therein....
8882905 Recycled compositions for construction, and methods of utilizing and producing the same  
A low density annular grout composition for filling voids. The composition may consist of cementitious fly ash, water, set retarder and cellular foam. The composition may have a compressive...
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...
8876969 Process and plant for lowering the residual carbon content of ash  
A process for lowering the carbon content in ash includes introducing the ash having a carbon content of 1 to 20 wt-% into a reactor where the ash is burnt at a temperature between 700 and 1100°...
8864901 Calcium sulfoaluminate cement-containing inorganic polymer compositions and methods of making same  
Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, and optionally a retardant....
8858703 Set retardant for hydraulic cement compositions and admixtures therefor  
A zinc-oxide based set retardant additive and admixture for use in Portland cement or other hydraulic cement mixtures. The admixture may comprise silica fume, vitreous calcium aluminosilicate,...
8801846 Self-neutralising type of calcium hydroxide preparation for use in dentistry  
The present invention relates to a self-neutralising type of calcium hydroxide (Ca(OH)2) preparation for use in dentistry. More specifically, it relates to a self-neutralising type of calcium...
8795428 Aerated inorganic polymer compositions and methods of making same  
Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, and optionally a retardant...
8784557 Pavement overlay material and method  
A mix design for a polymer modified cement pavement overlay is disclosed along with a method of making and using the mix on a variety of pavement substrates. The mix includes a specific dry...
8747549 Fly ash-based cementitious mixture  
A cementitious mixture for high-volume production of masonry products comprises a hydraulic binder accounting for 20 wt % or more of the cementitious mixture, the hydraulic binder comprising 75 to...
8747547 Foamed compositions for reducing freeze-thaw heave risk, and methods of utilizing and producing the same  
A composition and method for reducing freeze-thaw heave risk over flash-filled voids are disclosed. A composition can include cementitious fly ash, water and cellular foam. The composition can...
8741054 Production of cement additives from combustion products of hydrocarbon fuels and strength enhancing metal oxides  
The present invention provides combustion products of hydrocarbon fuels and controlled amounts of metal oxide strength enhancing materials. The combustion products are useful as additives to...
8741058 By-product treatment via calcium polysulfide  
By-product materials are processed to mitigate undesirable effects. In some embodiments, industrial waste by-products are recycled using calcium polysulfide and used in building materials. In...
8733440 Well cement compositions comprising biowaste ash and methods of use  
Cement compositions containing biowaste ash and methods of cementing in subterranean formations using such cement compositions. Examples of suitable biowaste ash include agricultural waste ash,...
8709150 Composition for building material and a process for the preparation thereof  
The present invention provides a composition and a process for the preparation of chemical activated cold setting fly ash building construction materials. The chemical activator is an alkaline...
8663386 Dry cement mix for forming light concretes with low thermal conductivity, and concretes thus obtained  
A dry cement mix based on a hydraulic binder and a glass aggregate for forming light concretes with low thermal conductivity, characterized in that said glass aggregate comprises a fine fraction...
8657951 Manufactured item for the building industry  
A manufactured item for the building industry is disclosed, made mainly of bottom ash and/or debris coming from incineration processes of municipal solid waste or of waste which may be assimilated...
8657954 Alkali-activated aluminosilicate binder containing glass beads  
The invention relates to a mixture containing an alkali-activated aluminosilicate binder, said mixture, after hardening, containing at least 25% by weight of glass beads, based on the total mass....
8658115 Reducing mercury emissions from the burning of coal  
Sorbent components containing halogen, calcium, alumina, and silica are used in combination during coal combustion to produce environmental benefits. Sorbents such as calcium bromide are added to...
8652580 Manufacturing method of tiles  
A manufacturing method of tiles includes the steps of: preparing mixed powder having a water content of 2 to 7% by mixing 30 to 80 parts by weight of calcium hydroxide powder or dolomite plaster...
8652250 Composition used for high-strength and impermeable concrete  
A composition used for high-strength impermeable concrete. The composition contains sand, stone, cement, water reducer, water and reinforced impermeable sand. The reinforced impermeable sand...
8641818 Well cement compositions comprising biowaste ash and methods of use  
Cement compositions containing biowaste ash and methods of cementing in subterranean formations using such cement compositions. Examples of suitable biowaste ash include agricultural waste ash,...
8636841 Cement manufacturing apparatus and method  
A cement manufacturing apparatus capable of increasing quantity of fly ash used in the apparatus while controlling unburned carbon content in cement within a permissible range. The cement...
8617307 Alkali-activated binder, alkali-activated mortar, concrete products and wet red clay paving material using binder  
The present invention relates to an alkali-activated binder which can be used as a binder for replacing cement, and more particularly, to an alkali-activated binder, and to mortar, concrete,...
8617438 Fly ash-based cementitious mixture  
A cementitious mixture for high-volume production of masonry products comprises a hydraulic binder accounting for 20 wt % or more of the cementitious mixture, the hydraulic binder comprising 75 to...
8617308 Fly ash-based cementitious mixture  
A cementitious mixture for high-volume production of masonry products comprises a hydraulic binder accounting for 20 wt % or more of the cementitious mixture, the hydraulic binder comprising 75 to...
8603419 Method of treating an alkaline granular carbonatable material  
The invention concerns a method of treating an alkaline granular carbonatable material which contains aluminium metal and which has in particular a pH of at least 10. The method comprises an...
8603240 Converting coal ash and electric arc furnace dust into glass-ceramic materials  
A process for control melting a mixture of coal ash, electric arc furnace dust, recycled glass and additives to create a feedstock. The feedstock is quenched or air dried in a mold to create...
8603238 Concrete with a low clinker content  
A dry binder premix includes, in mass proportions: Portland clinker having a Blaine specific surface area comprised from 4500 to 9500 cm2/g, the minimum quantity of the clinker by mass percentage...
8603239 Fiber cement building materials with low density additives  
This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low...
8596363 Oil and gas well cement systems using elemental sulfur  
A cement composition for cementing an oil or gas well includes Portland cement, water and a sulfur component. The cement composition may be used to cement a well bore by creating a cement slurry...
8580029 Reduction of carbon dioxide in the manufacturing of composite construction materials  
Disclosed are a system, a method and/or composition of reduction of carbon dioxide in the manufacturing of cement and concrete. In one embodiment, a method of producing a concrete, includes...
8574358 Geopolymeric particles, fibers, shaped articles and methods of manufacture  
Shaped geopolymeric particles, fibers, and articles incorporating at least one geopolymer are provided; the geopolymeric particles, fibers, and articles having a structure that is solid, foamed,...
8574360 Cementitious formulations and products  
Cementitious formulations and their products with enhanced reactivity are provided. Formulations in certain embodiments may include at least one calcium source, a reactant and a filler in a...
8568527 Processed mineral additive for reducing concrete permeability and increasing strength  
A durable concrete composition includes a cementitious material comprising cement and ground expanded perlite, coarse aggregate, fine aggregate, and sufficient water for adequate workability. The...
8562735 Incinerator fly ash geopolymer and method  
A geopolymer concrete formed by mixing about 3% to about 43% by weight incinerator fly ash, about 3% to about 35% by weight coal fly ash, about 7% to about 38% by weight alkaline activator liquid,...
8562734 Low calcium cementitious material and method of manufacturing low calcium cement  
A low-calcium-cementitious material having a calcium oxide content less than or equal to 10 wt % which is processed at room temperature into a low calcium cement mainly composed of mullite and a...

Matches 1 - 50 out of 432 1 2 3 4 5 6 7 8 9 >