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7608191 |
Production of a fermentation product
A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, wherein the fermentation liquor is produced in a fermentation...
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7595007 |
Amino acid and carbohydrate polymers for use in soil retention, water conservation, water clarification, and dust control
Water-soluble amino acid copolymers, modified polysaccharides, acrylamide polymers, and combinations thereof, are described, for uses including flocculation of solids, particularly flocculation of...
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7595002 |
Use of amino acid and carbohydrate polymers in soil retention, water conservation, and water clarification
Water-soluble amino acid copolymers, modified polysaccharides, acrylamide polymers, and combinations thereof are described for use in flocculation of solids, particularly flocculation of soil,...
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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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7517458 |
Process obtaining landfill disposable wasted from hydrocarbon containing sludge
A method of processing oily sludge to remove a substantial proportion of the water and hydrocarbon content therefrom to form a solid cake of waste material that is suitable for disposal in land...
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7514007 |
Use of water-soluble polymer complexes in aqueous systems
A water-soluble interjacent complex that includes a first water-soluble polymer and one or more water-soluble monomers polymerized to form a second water-soluble polymer in the presence of the...
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7497955 |
Method of dewatering thin stillage processing streams
A method dewatering thin stillage process streams generated in the processing of grain to ethanol comprising adding to the process streams an effective flocculating amount of an anionic copolymer...
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7431845 |
Method of clarifying oily waste water
A method of clarifying oily waste water comprising adding to the waste water an effective clarifying amount of one or more demulsifiers selected from the group consisting of dendritic polyamines,...
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7413681 |
Process to dewater a soot water slurry obtained in a gasification process
A process for partial oxidation of a hydrocarbon gas or liquid, involving the steps of partial oxidation and removal of soot by forming a slurry having water and carbon from the gaseous oxidation...
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7396474 |
Dual injection of two polymeric filtration aids for gypsum removal from phosphoric acid/gypsum slurry
A process to improve the polymeric filtration aid performance used in removal of gypsum from phosphoric acid/gypsum slurry. A synergistic effect has been observed by using a Dual Injection method....
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7384562 |
Treatment of brown grease
The invention is a process for treatment of brown grease, where the brown grease comprises water, food solids and free-oil. This process starts with the collection of the brown grease into a...
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7375173 |
Ecofriendly cationic polyelectrolytes
The invention relates to cationic water-soluble polyelectrolytes, especially terpolymers, which are obtained by polymerising monomers of (meth)acrylamide, a quaternised (meth)acrylamide derivative,...
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7264736 |
Removal of non-water soluble substances from solutions of aqueous metal extracts
The invention relates to methods and a device for the removal of non-water soluble substances from solutions of aqueous metal extracts, by addition of at least one water-soluble cationic...
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7250462 |
Amphoteric water-soluble polymer dispersion and use thereof
The invention relates to an amphoteric water-soluble polymer dispersion containing polymer particles with particle diameters of 100 μm or smaller and produced by dispersion-copolymerization of a...
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7189327 |
Use of anionic copolymers for enhanced recovery of useful coal and potassium chloride from screen bowl centrifuge
A method of enhancing the recovery of useful coal or potassium chloride from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.005 lbs active...
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7157010 |
Polymeric flocculant infused silt fence
A polymeric flocculant infused silt fence assembly comprising two opposing and attached geo-textile sheets, each adapted to filter entrained non-colloidal particles and together encasing a layer of...
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7156999 |
Methods and apparatus for treating animal manure
A method of treating animal manure yielding a final liquid fraction and solid fractions whereby the final liquid fraction has a suspended solids (SS) content of about 3 g/L or lower comprising...
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7153436 |
Method for enhancing cyclonic vessel efficiency with polymeric additives
The present invention is directed to a novel method and system for enhancing the efficiency of hydraulic centrifugal separators (cyclones) in the removal of fine size particles from a liquid...
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7087174 |
Enhanced recovery of useful coal, potassium chloride and borax from screen bowl centrifuge
A method of enhancing the recovery of useful coal or potassium chloride or borax from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.03 lbs...
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7070696 |
Process for flocculating suspensions
A process of flocculating and dewatering an aqueous suspension of suspended solids comprising, introducing into the suspension, (a) substantially linear polymer, (b) structured polymer,...
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7048859 |
Method for treatment of aqueous streams comprising biosolids
A process is provided which can be used to clarify substantially aqueous streams and optionally separate biosolids, especially proteins, from food processing operations which comprises contacting...
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7022194 |
Method of treating a paint booth dry filter
The present invention includes a composition having detackifying and detoxifying properties such that the composition is useful for detackifying and detoxifying paint particles in spray booth water...
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7014774 |
Method of treating oil-containing waste water
A method of treating an oil-containing waste water includes adding, where the waste water has been adjusted to have a pH between eight and twelve and have a temperature not higher than 50° C., a...
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6979405 |
Flocculation of mineral suspensions
A method of dewatering an aqueous mineral suspension comprising introducing into the suspension a flocculating system comprising, a) a substantially non-ionic polymeric flocculant and b) an anionic...
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6926832 |
Method of using water soluble polymers in a membrane biological reactor
A method of conditioning mixed liquor in a membrane biological reactor comprising adding to the mixed liquor an effective coagulating and flocculating amount of one or more water soluble cationic,...
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6858093 |
Method for paint detackification using compositions containing chitosan
A composition and method for treating oversprayed paints in paint spray booths is provided. The composition includes an aqueous solution of a compound such as chitosan, and a complex metal salt,...
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6846416 |
Process for treating chromate waste liquid
The invention relates to a process for treating a chromate waste liquid containing an organic acid component. This process includes (a) adding a chromium precipitation accelerating agent containing...
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6824691 |
Process for treating liquid manure
Process for treating liquid manure, comprising the introduction of homogenized liquid manure into a tank, into which are introduced some polymers/copolymers that bring about an interchange to...
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6821440 |
Treatment of mineral materials
A process in which material comprising an aqueous liquid with dispersed particulate solids is pumped as a fluid then allowed to stand and rigidify and the rigidification is improved whilst...
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6821427 |
Methods for reducing the amount of contaminants in water
In one aspect the present invention provides purification devices for reducing the amount of contaminants in water, each device includes a water-soluble flocculant disposed within a body defining a...
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6818131 |
System and process for CU-CMP wastewater treatment
A system for the treatment of CMP wastewater, including wastewater from a copper CMP process. The wastewater treatment system includes a coagulant supply tank from which an FSC polymer coagulant is...
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6784267 |
Polymers containing hyperbranched monomers
A water-soluble, cationic polymer comprising from about 1 to about 65 mole percent of one or more cationic monomers, from about 99 to about 35 mole percent of one or more nonionic monomers and from...
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6780330 |
Removal of biomaterials from aqueous streams
A process is provided which can be used to treat aqueous streams comprising soluble biomaterials, especially proteins, wherein the concentration of soluble biomaterials is substantially reduced....
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6755973 |
Waste water treatment process for animal processing contaminant removal
A process and system for removing animal processing contaminants and fats, oils, and greases from large volume quantities of waste water. In the process, a waste water stream containing the...
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6733674 |
Method of dewatering sludge using enzymes
A method of dewatering sludge comprising adding an effective amount of one or more cellulolytic enzymes, one or more oxidants and one or more flocculants to the sludge to form a mixture of water...
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6723245 |
Method of using water soluble cationic polymers in membrane biological reactors
A method of conditioning an activated sludge in a membrane biological reactor comprising (i) adding to the activated sludge an effective amount of at least one water soluble cationic polymer to...
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6702946 |
Aqueous dispersions
Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.
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6676840 |
Fat and protein removal from process streams
The precipitation and removal of suspended fat and protein components and other suspended solids from a given solution can be accomplished by the addition of an aluminate to complex with the fat...
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6669852 |
Separation method of goethite-containing red mud
In order to provide a method for effectively separating red mud generated during alumina-extraction treatment of an alumina ore containing goethite as an iron component, the alumina ore containing...
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6627087 |
Method of removing lead from water using a high molecular weight cationic dispersion polymer
A method of removing lead from water comprising a) adjusting the pH of the water to about 7 to about 9; and b) adding to the water an effective amount of a water soluble, high molecular weight...
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6627086 |
Methods of producing polyarylamines and using them for detackifying paint and removing color from aqueous systems
Aqueous suspensions of paints in waste waters can be treated to detackify the paint and facilitate its removal by contacting the paint suspension at a pH of from about 5 to about 14 with a...
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6613230 |
Method for simultaneous removal of arsenic and fluoride from aqueous solutions
A method of removing arsenic and fluoride from aqueous solutions in the same process is provided. Specifically, the pH of the aqueous solution is adjusted to a pH in the range of about 5 to 8. A...
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6610209 |
Use of polymers containing vinylamine/vinylformamide for the treatment of food processing wastewater
A method for clarifying food processing waste water containing suspended solids comprising (iii) adding to the waste water with an effective amount of at least one vinylamine polymer having a...
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6602410 |
Water purifying kits
A kit for purifying water comprises a first container for receiving untreated water, and a second container for receiving purified water and having a dispensing spigot. A water purification...
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6596176 |
Potable water treatable process using hydrogen peroxide and metallic coagulant
A process for the purification of water includes the addition of hydrogen peroxide and metallic coagulants in order to remove organic contaminants. Metallic coagulants increase the oxidative...
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6527959 |
Method of clarifying bayer process liquors using salicylic acid containing polymers
A method of flocculating suspended solids in a Bayer process liquor comprising adding to the liquor an effective amount of a polymer comprising salicylic acid groups.
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6478971 |
Process for removing sulfate from an aqueous salt solution
A simple, effective, cost-efficient method of precipitating sulfate in an aqueous salt solution and removing the precipitate from the solution. The steps of the method include diluting the solution...
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6454961 |
Elixir for inducing high-speed settlement of precipitates
An elixir to aid in the coagulation and flocculation of metal precipitates in wastewater, and to aid in their settling out of the wastewater solution, comprising: 1) a first cationic...
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6454950 |
Separation method utilizing liquid-liquid partition
A method for the separation of a predetermined compound comprising i) partitioning the compound in a two-phase (system A) in which at least one of the phases is rich (phase 1 ) and the other is...
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6454949 |
Highly accelerated process for removing contaminants from liquids
A process for removing metals from wastewater, which comprises the following: measuring the flow rate and oxidation reduction potential of wastewater as it is fed into a first treatment tank,...
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