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7553423 |
Method for treating aqueous sludge, material so produced and the use thereof
The invention relates to a method for the accelerated dehydration of sludges in sludge disposal areas, especially of sludges from rivers and harbors, by the exclusive use of anionic polymer...
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7517405 |
Composition for solidifying soil and industrial waste
Disclosed herein is a composition for solidifying soil and industrial waste. The solidifying composition contains 16-24 wt % of straight asphalt, 0.06-0.10 wt % of an emulsifier for asphalt,...
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7387674 |
Method for solidifying soil and industrial waste, and solidified materials prepared thereby
Disclosed herein are a method for solidifying soil and industrial waste and a solidified material prepared thereby. The solidified material of soil and industrial waste is prepared by adding 2-6...
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7294193 |
Cementitious materials including slag and geopolymers
Cementitious materials including slag and geopolymer can be added to conventional cement compositions, such as Portland cement, as a partial or total replacement for conventional cement materials....
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7232482 |
Method for making a road base material using treated oil and gas waste material
The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material....
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7141112 |
Cementitious materials including stainless steel slag and geopolymers
Cementitious materials including stainless steel slag and geopolymer can be added to conventional cement compositions, such as Portland cement, as a partial or total replacement for conventional...
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7138012 |
Recycled waste as air entrainment admixtures
Use of waste generated as a byproduct of a first manufacturing process as an air entraining admixture (AEA) in a second product. In some instances, the waste materials can be used as an AEA during...
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7128780 |
Process for producing building materials from raw paint sludge
A process for producing building materials, such as asphalt, cement, concrete, mortar, or plaster board from liquid paint sludge containing water and paint solids produced from overspray in...
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7118624 |
Method for making a road base material using treated oil and gas waste material
The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and...
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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...
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6890507 |
Ozone treatment of fly ash
Carbon-containing fly ash has been treated with optimum amounts of ozone. There is homogenous treatment of the fly ash with ozone and over saturation with ozone is avoided. In a further embodiment...
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6869475 |
Calcium silicate insulating material containing blast furnace slag cement
An asbestos free, calcium silicate insulating material, suitable for use in applications where a tough, fire resistant, heat insulating, electrical insulating, and corrosion resistant material is...
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6869473 |
Cementicious materials including stainless steel slag and geopolymer
Cementicious materials including stainless steel slag and geopolymer can be added to conventional cement compositions, such as Portland cement, as a partial or total replacement for conventional...
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6843844 |
Modified cellulose aggregate material
A process and method is disclosed for producing a cellulose modified aggregate cement. The process and method advantageously applies a fortifying solution to a dry cellulose material so as to...
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6746532 |
Lightweight concrete with increased strength and method for producing the same
A method for producing lightweight concrete is disclosed which comprises mixing foamed particles, aggregates, and cement slurry to create a strong, lightweight concrete. The foamed particles can be...
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6743287 |
Concrete
A concrete in which the aggregate of sand and stones in at least partially replaced by crushed glass. The sand fraction may be replaced by a glass of grain size 0-5 mm, a non-alkali reactive...
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6730160 |
Method of manufacture of structural insulating building materials
A fire retardant building material composed of a mixture of water and cellulose fibers, both of which can be comprised of readily available materials at the job site, such as the available water...
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6699321 |
Concrete composition
A concrete composition contain glass, including ordinary recycled glass is provided. The invention also relates to methods of producing the concrete compositions of the invention. A concrete...
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6669773 |
Fly ash/mixed plastic aggregate and products made therefrom
The present invention is directed at a synthetic lightweight aggregate composition comprising fly ash and a mixture of two or more polymer components. More specifically, the present invention is...
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6599357 |
Detoxifying agent for use in disposal of noxious wastes that is conducted by solidifying them with cement
A detoxifying agent for use in disposal of noxious wastes that is conducted by solidifying them with cement, consisting essentially of an aqueous solution which comprises as main components (a)...
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6488762 |
Composition of materials for use in cellular lightweight concrete and methods thereof
A more economical and light-color cellular concrete is provided by the replacement of Portland cement with ground glass powder in a cellular lightweight concrete mixture and the resulting method to...
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6488761 |
Hydraulic hardened foamed product and a method of producing the same
A method of making a composite product such as a building board, includes the steps of mixing together finely divided lignocellulosic fibres, a hydraulic binder, and water optionally containing a...
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6419738 |
Process for rendering waste inert by cladding in a hydraulic binder and pre-mix for practicing this process
Waste is rendered inert, by cladding the waste in a cement base hydraulic binder including sulfoaluminate cement comprised by at least 30% by weight of the phase 3CaO.3Al 2 O 3 .CaSO 4 (C 4 A 3 S)....
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6402833 |
Binder for mine tailings
A binder for mine tailings and aggregate used as a backfill for an underground void comprises ferrous slag, and cement kiln dust, optionally with lime kiln dust; the binder displays strength...
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6293731 |
Method for treatment of dredged materials to form a structural fill
A method for treating materials dredged from a waterway, such as a harbor or channel, and forming a mixture suitable for beneficial re-use as structural fill. The dredged materials (28) may be...
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6231663 |
Method for new concrete from old concrete
A method is described for making concrete mixture by blending new batch cement and fly ash with recycled concrete material (curb & gutter, sidewalk, brick, block, asphalt & various other concrete...
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6174275 |
Processes for immobilizing waste using bagasse
A process for solidifying and stabilizing waste, the process comprising (a) combining bagasse and a liquid medium having a pH below about 4 or above about 10 to form a mixture, (b) heating the...
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6142303 |
Interim storage and permanent disposal of medical sharps
Apparatus and method for the interim sanitary storage of medical sharps and subsequent inurnment of them to a condition acceptable in commercial landfills. A receptacle contains dry calcium...
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5997631 |
Hardener composition for producing waste-containing shaped cement articles and process for producing shaped cement articles using the hardener composition
A hardener composition useful for producing shaped cement articles while utilizing wastes such as waste incineration ash or papermaking sludge incineration ash and broken concrete; and a process...
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5980627 |
Production of commercially useful materials for waste gypsum boards
A commercially useful material is produced from waste gypsum boards containing calcium sulfate dihydrate, by a method comprising the steps of (a) grinding the waste gypsum boards to obtain...
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5897700 |
Apparatus and integrated process for reclaiming paper mill sludge and producing useful products therefrom
Paper mill sludge is reclaimed and useful products produced therefrom. A predetermined amount of paper mill sludge is continuously discharged from a storage reservoir onto a mixer/conveyor to...
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5866754 |
Method and apparatus for processing and exploiting waste by transforming it into materials that are non-polluting and reusable
According to the invention, apparatus for processing and exploiting previously ground-up waste (1) that has had any ferrous metal content cleared therefrom and that has a water content lying in a...
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5853474 |
Use of stabilized EAFD as a raw material in the production of a portland cement clinker
A method for producing portland cement includes adding stabilized electric arc furnace dust (EAFD) to the raw materials fed into the feed end of a rotary cement kiln to form a cement clinker. The...
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5851281 |
Waste material composites and method of manufacture
A process to manufacture a waste material composite and article is described. One embodiment comprises waste material particles or fibers mixed with water to form a mash, blending a chemical binder...
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5849075 |
Cementitious composition containing bottom ash as pozzolan and concretes and mortars therefrom
Ground bottom ash, a waste material derived from combustion of coal, which presents a disposal problem, replaces part of the cement in a cementitious material useful in concretes and mortars and...
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5843223 |
Method for producing mineral products having a great heat content from waste materials and slurries and resulting products
The method for producing mineral products having a great heat content from waste materials and slurries and resulting products comprises the steps of: submitting the waste materials and slurries to...
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5820302 |
Stabilizing soil and aggregate mixtures and structures
A method of stabilizing soil and aggregate for structural purposes including the step of mixing with water: (a) a soil aggregate base material; (b) a stabilization composition comprising: (i) an...
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5779787 |
Well cement compositions containing rubber particles and methods of cementing subterranean zones
The present invention provides resilient cement compositions and methods which are particularly useful in the construction and repair of oil and gas wells. The compositions have improved expansion...
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5769938 |
Waste-treating agent
To treat waste containing harmful netals such as lead, cadmium, mercury, chromium, copper, nickel, zinc, etc., the waste is mixed with a treating agent containing, as the essential constituent...
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5762702 |
Mechanical disintegration of whole discarded tires used as aggregates for concrete compositions
Whole waste tires are shredded and ground down to particulates and used as aggregates for concrete compositions in the construction field.
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5707443 |
Grouting materials and their use
A grouting material which is self-dispersing when brought into contact with a volume of water containing liquor or slurry and is settable to a solid mass after such dispersion, the material being...
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5690448 |
Landfill closure system
A landfill closure system comprising (a) a vegetated top layer comprising an effective among of an iron containing solids component; (b) a drainage layer; and (c) a low-permeability layer is...
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5669969 |
Process for forming aggregate; and product
A process for forming an ash aggregate is provided. The process involves mixing a cellulose sludge material with an ash component. The ash component may comprise fly ash or sanitary waste ash in...
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5649894 |
Compositions and methods for waste treatment
Methods for waste treatment and compositions of stabilized waste elements are provided, typically for the disposal of arsenical wastes. Arsenic trioxide waste produced as a by-product of metal...
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5626664 |
Waste treatment process
In a process for the treatment of at least one mixture of solid and liquid waste substances which contains at least one metal such as Fe and/or compounds thereof, for example oxides, the mixture...
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5624490 |
Process for treating metal chlorides
A process for preparing high strength, rock-like, water-resistant aggregates by high intensity mixing of acidic metal chlorides and alkaline/cementitious materials in the presence of a low water...
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5595561 |
Low-temperature method for containing thermally degradable hazardous wastes
A low-temperature method for producing coated hazardous waste pellets which re used as the aggregate in a concrete wasteform is characterized by combining hazardous waste with a chemically setting...
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5584792 |
Method of stabilizing industrial wastes and fly ash compositions useful in same
A method for stabilizing wet, oily petroleum refinery wastes and other similar wastes without the need for Portland cement. The waste is combined with at least 5 weight percent of a novel...
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5573587 |
Process for producing building materials from paint sludge
An process for manufacturing a admixture for concrete, mortar or asphalt out of paint sludge is discussed; The preferred embodiment utilizes the chemical drying of paint sludge through the addition...
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5569153 |
Method of immobilizing toxic waste materials and resultant products
A method of immobilizing toxic waste material slurries is disclosed wherein aggregates are formed containing the toxic waste and the aggregates admixed with and embedded in a sulfur cement to form...
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