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US20090260544 |
Well Treatment Compositions and Methods Utilizing Nano-Particles
Disclosed embodiments relate to well treatment fluids and methods that utilize nano-particles. Exemplary nano-particles are selected from the group consisting of particulate nano-silica,...
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US20090199741 |
Method For Producing A Coated Basic Material For A Hydraulic Composition, Coated Basic Material For A Hydraulic Composition, Additive For A Hydraulic Composition And Method For Producing A Hydraulic Composition
The invention relates to a method for producing a coated basic material for a hydraulic composition ( 11 ) comprising a basic material ( 14, 16 ) and water ( 15 ). According to the invention, the...
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US20090200029 |
Settable Compositions Comprising a Natural Pozzolan and Associated Methods
An embodiment of a method of cementing comprises: introducing a cement composition into a subterranean formation, wherein the cement composition comprises cement kiln dust, a natural pozzolan, and...
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US20090200156 |
Treatment of fly ash from coal combustion to improve its marketability
A system and method for treating unmarketable fly ash and improve its properties as an additive for concrete is disclosed. The method includes the steps of providing a gas stream containing ionized...
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US20090199744 |
SACRIFICIAL AGENTS FOR FLY ASH CONCRETE
A method of producing cementitious mixtures containing fly ash as one of the cementitious components, under air entrainment conditions. The method involves forming a mixture comprising water,...
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US20090158965 |
CONCRETE HAVING HIGH WORKABILITY THROUGH CONTROL OF FINE-TO-COARSE PARTICULATES RATIO
Concrete compositions have a fine-to-coarse particulates ratio optimized for decreased viscosity and increased workability. The concrete compositions include at least water, cement, coarse...
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US20090158969 |
CONCRETE OPTIMIZED FOR HIGH WORKABILITY AND HIGH STRENGTH TO CEMENT RATIO
A concrete composition having a 28-day design compressive strength of 4000 psi and a slump of about 5 inches is optimized to have high workability and a high strength to cement ratio. The concrete...
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US20090151604 |
Cement additive and cement composition
A cement additive contains industrial waste and has the effect of inhibiting formation of monosulfate in a hardened cementitious material. The cement additive contains specifically calcium...
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US20090130452 |
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...
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US20090090276 |
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...
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US20090078161 |
METHODS OF MINIMIZING CONCRETE CRACKING AND SHRINKAGE
A method of reducing plastic shrinkage cracking in concrete compositions that includes a) combining 3-40 volume percent cement, 5-50 volume percent fine aggregate, 5-50 volume percent coarse...
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US20090071374 |
Dry Mix Cement Composition, Methods and Systems Involving Same
A dry mix cement composition including an alkaline multi-phase aluminosilicate material, wherein the alkaline multi-phase aluminosilicate material provides a source of alkaline and soluble silicate...
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US20090071378 |
Ultra high strength fiber-reinforced cement composition, ultra high strength fiber-reinforced mortar or concrete and ultra high strength cement additives
Therefore, the problem to be solved by the present invention is to provide highly general purpose ultra high strength fiber-reinforced mortar or concrete that shows a higher fluidity (workability)...
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US20090071379 |
TREATMENT OF FLY ASH FOR USE IN CONCRETE
A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based...
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US20080314295 |
LIGHTWEIGHT CONCRETE COMPOSITIONS
A lightweight concrete composition containing from 10 to 90 volume percent of a cement composition, from 10 to 90 volume percent of particles having an average particle diameter of from 0.2 mm to 8...
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US20080308012 |
Burnt Product
A burnt product is produced by burning a raw material containing chromium, in which the fine-grained portion is removed. Even in the burnt product produced from a raw material containing chromium,...
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US20080296800 |
Flyash Aggregate
Described in this specification is a formula for a light weight flyash aggregate for concretes, as well as the method for producing the aggregate and the facilities needed to produce the aggregate....
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US20080229978 |
Construction Composition and Method for Making a Construction Product
A construction composition includes: an ash in an amount of 90.0-99.9 wt. %, based on the total weight of the construction composition, wherein the ash is fly ash or bottom ash; an additive...
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US20080196628 |
Cement Compositions Comprising Rock-Forming Minerals and Associated Methods
Of the many methods and compositions provided herein, one method includes placing a cement composition in a subterranean formation, wherein the cement composition includes cement, rock-forming...
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US20080190327 |
Separation Of Cenospheres From Fly Ash
Methods for increasing the amount of cenospheres in a fly ash sample are disclosed. The cenospheres are obtained in a dry state by using air as the “fluid” media for separation. In one version,...
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US20080178770 |
HIGH STRENGTH CEMENT, MORTAR AND CONCRETE INCLUDING INDUSTRIAL BY-PRODUCTS
Cementitious compositions in which the cementitious properties of fly-ash are carefully controlled. The cementitious compositions may be substantially free harsh acids and bases such as citric...
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US20080176967 |
LIGHTWEIGHT STRUCTURAL CONCRETE PROVIDED WITH VARIOUS WOOD PROPERTIES
A lightweight structural concrete with screw-ability and nail-ability similar to wood is composed of a non-structural and ultra lightweight aggregate such as expanded perlite or a combination of...
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US20080163794 |
Fiber Reinforced Concrete and Method of Manufacturing Fiber Reinforced Concrete Member
Fiber reinforced concrete is generated by including fiber in a dispersed manner in a cement matrix including: cement; first pozzolanic reactant particles having a high activity; second pozzolanic...
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US20080156225 |
Rheology modifying additive for cementitious compositions
A cementitious composition including cement, water, and a rheology modifying additive (RMA) is provided. The inclusion of the RMA improves the cementitiuous composition's response to vibration, and...
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US20080156491 |
Extended Settable Compositions Comprising Cement Kiln Dust and Associated Methods
An embodiment of the present invention includes a method of cementing in a subterranean formation comprising: providing an extended settable composition comprising hydraulic cement, cement kiln...
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US20080148996 |
Alpha-Type Calcium Sulfate Hemihydrate Compositions
Disclosed is an improved alpha-type calcium sulfate hemihydrate. Methods of producing an improved powdered calcium sulfate hemihydrate (CaSO 4 .½H 2 O) [alpha-type] compound are disclosed, at...
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US20080141907 |
Screed Comprising Recycled Glass Waste
A screed for applying to eg a concrete slab, etc to give a smooth surface finish comprises recycled glass waste sand residue. In a preferred embodiment the screed comprises (i) recycled glass waste...
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US20080131344 |
Method of Removing Ammonia From Fly Ash and Fly Ash Composition Produced Thereby
A method of treating fly ash and fly ash treated thereby, the method involving contacting ammonia-laden fly ash with an organic base-containing treatment composition, where the organic base causes...
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US20080127863 |
FLEXIBLE CONCRETE COMPOSITIONS AND METHODS FOR MANUFACTURING THEM
The invention concerns the addition of ammonia to cement, thereby increasing the cement's tensile strength and flexibility. More flexible cement, whether used by itself or in conjunction with other...
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US20080078306 |
Method to improve the characteristics of ash from municipal solid waste combustors
In a combustion facility, a portion of the bottom ash (BA) is mixed with substantially all of the fly ash (FA) as necessary to obtain a stabilized material that prevents toxic metals solubility and...
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US20080066651 |
Method of Producing Recycled Hardened Materials Using Waste Gypsum
Disclosed herein is a method for producing a recycled hardened material using waste gypsum. The method comprises treating acidic wastewater generated in the production of copper, zinc or titanium...
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US20080066650 |
Flexible hydraulic compositions
A composition for making flexible articles includes a hydraulic component of at least 50 weight % fly ash, a water-soluble, film-forming polymer and water. Articles are made from this composition...
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US20080028995 |
Geopolymer composition and application for carbon dioxide storage
The invention provides geopolymeric compositions intended for use in carbon dioxide injection or production wells or storage reservoirs and preferably in a supercritical carbon dioxide conditions....
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US20080028994 |
Geopolymer composition and application in oilfield industry
The invention provides geopolymeric compositions, which have controllable thickening and setting times for a wide range of temperatures and a large range of geopolymer slurry densities. The...
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US20080000391 |
Cement Slurry with Low Water to Cement Ratio
A cement slurry comprising a mixture of a cement blend and water, wherein the cement blend comprises at least about 70% by volume of blend of cementitious particulate material and water is present...
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