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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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7591952 |
Water treatment mixture and methods and system for use
A product and apparatus for cleaning water or industrial and sewage waste water includes a mixture of diatomite that is heated and stirred to impart an enhanced negative electrical charge to the...
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7582215 |
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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7560031 |
Process for treating pond water
A process for the treatment of phosphoric acid plant pond water facilitating the recovery of phosphorus values from the input pond water. In certain aspects the process recycles solids from a later...
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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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7510660 |
Contaminant removal method for a body of water
Pollutants, such as heavy metals, phosphorus, and pathogenic organisms, are removed from water by adding a chemical coagulant to water within an enclosure. With mixing, coagulation and flocculation...
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7507344 |
Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid
A mobile apparatus and method for recycling an invert emulsion based drilling fluid, in which the invert emulsion based drilling fluid includes an oleaginous component and an aqueous component. The...
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7497956 |
Method for stabilizing and conditioning urban and industrial wastewater sludge
The invention concerns a method for stabilizing and conditioning wastewater sludge. The invention is characterized in that it consists in treating sludge in an acid environment (3.0≦pH≦5.0),...
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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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7468137 |
Wastewater treatment process
A wastewater treatment process for treating wastewater comprising a water-based dispersion containing a surfactant, a colorant and silica, as well as other solid matter, wherein the wastewater is...
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7455997 |
Production of fermentation product
A process of producing fermentation product comprising the steps of, (i) forming an acidified suspension of particulate plant derived material comprising a first polysaccharide which is more...
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7442311 |
Emulsion and effluent treatment processes
An emulsion and affluent process which treats and breaks very tight emulsions and separates dissolved solids from associated fluids produced in industry, whereby solids and fluids are separated...
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7422692 |
Raw influent treatment processes eliminating secondary biological treatment
Presently no chemicals are added in the pulp/paper mills wastewater treatment. There is a loop hole with the Biological Oxygen Demand test utilized. Regulators depend on the Biological Oxygen...
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7419604 |
Use of boron compounds to precipitate uranium from water
A method is provided for removing uranium from water. The method includes the mixing of a boron reagent with water contaminated with uranyl dication ions, leading to removal of the uranium from...
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7419602 |
Selenium removal from water
A process for removing selenium from a water stream, in particular a waste water stream, by: 1) the addition thereto of a ferric salt, followed by 2) the addition of a cupric salt and pH adjustment...
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7410589 |
Hog manure treatment method
The invention relates to a method of treating manure such that odor from the manure is significantly reduced or eliminated and producing therefrom recyclable water, value-added biosolids and...
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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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7390416 |
Method for the removal of metals, including a co-precipitation of molybdenum, from wastewater
An improved method to remove metals, including molybdenum, from industrial wastewater, by chemical precipitation of the metals, followed by settling and dewatering of the precipitate.
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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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7374690 |
Processes for removing oil from solid wellbore materials and produced water
Processes for removing oil from a solid wellbore material such as drill cuttings or water such as produced by a subterranean formation include contacting the solid material/water with an...
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7374687 |
Method of decolorizing stock-raising treatment water
A decolorization treatment method in which not only can a liquid that has been obtained by treating raw water that is stock-raising treatment water in a purifier tank be decolorized swiftly with...
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7371328 |
Method for treating hog and animal waste
An animal treatment method comprises flushing the animal waste from a barn to a holding tank where the waste is mixed with an alkaline solution to kill pathogens. After neutralization, the solution...
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7344648 |
Use of silicones for causing or facilitating the flow of dispersions of solid particulates in liquids
A method for causing or facilitating the flow of dispersions of solid particulates in liquids, having characteristics of high viscosity or resistance to flow, with particular reference to sludges...
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7344647 |
Process for treating waste water to remove contaminants
Recycled waste water is treated to remove contaminants and produce a sludge cake with a high percentage of solids and to produce a treated recycled waste water that can be discharged into a...
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7335309 |
Method for removing metal compounds from waste water
A method for removing metal compounds from waste water comprising the steps of adjusting the pH of the water to from 5 to 12 and preferable 6 to 9; aerating the waste water; adding a flocculating...
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7311841 |
Method for treating water by ballasted flocculation and decantation
The invention concerns a water treatment method which consists in introducing coagulated water in a flocculation zone, to enable flocculation of microflocs in the presence and around a ballast;...
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7300585 |
Method of treatment of effluent stream
A method for treating an effluent stream containing material which it is desired to remove from the effluent stream comprises treating the effluent stream with a solution of an acid and a first...
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7297278 |
Methods for removing metals from water
A device for separating metal components from a colloidal suspension or solution uses a vessel for holding the colloidal suspension or solution. A membrane impermeable to the selected metal...
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7291275 |
Method for clarifying industrial wastewater while minimizing sludge
Methods are described for removing contaminates from aqueous industrial wastewater process streams, specifically industrial laundries to yield a less contaminated aqueous effluent for discharge to...
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7285222 |
Method for recycling sludge during waste-water treatment
A method for recycling sludge during waste-water treatment firstly utilizes a process of chemical coagulation to produce sludge rich in copper ions. The sludge is then leached in a sulfuric acid...
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7267777 |
Method for the removal of contaminant metal ions from waste water
Method for removal of heavy metal ions from aqueous wastes, which are produced during electroplating and other industrial processes. The method comprises a precipitation process that is conducted...
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7264734 |
Method for treating dredged material
The present invention provides a method for treating dredged material in which liquid is first added to the dredged material, and dewatering the dredged material to obtain a filtrate and a solid...
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7264729 |
Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina
This invention relates to a process for reducing the contaminants in condensate resulting from the conversion of bauxite to alumina.
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7255795 |
Process for selectively removing molybdenum from liquid mixtures containing it together with vanadium
Process for selectively removing molybdenum from liquid mixtures containing it, in a quantity greater than (200) mg/l, together with vanadium characterized in that it comprises the following steps:...
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7244362 |
Water treatment by ballasted flocs and degreasing
The invention concerns the use of a coagulation-flocculation-decantation device for water treatment to degrease water inside the device itself so as to eliminate therefrom more than 20% of...
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7244361 |
Metals/minerals recovery and waste treatment process
A metals/minerals recovery and waste treatment process comprising a main separation stage in which a metal/mineral-bearing ore is slurried with water and separated into an enriched fraction and an...
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7198722 |
Process for pre-treating and desalinating sea water
Water containing dissolved salts, such as calcium sulfate, calcium chloride, magnesium sulfate, magnesium chloride, sodium carbonate, sodium chloride, sodium sulfate, calcium bicarbonate, and...
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7182873 |
Method of fluoride-containing wastewater treatment
First, a primary fluoric ion concentration detection process is performed, and a primary calcium salt addition process is performed to add calcium salt in a first reaction tank, wherein the dosage...
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7166227 |
Method of treating digested sludge
A method of treating, in wastewater purification, sludge containing organic matter, divalent iron and phosphorus, in which
the sludge that is treated is made to contain dissolved iron and...
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7160470 |
Method of clarifying industrial laundry wastewater using cationic dispersion polymers and anionic flocculent polymers
Methods are described for removing contaminates from aqueous industrial wastewater process streams, specifically industrial laundries to yield a less contaminated aqueous effluent for discharge to...
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7157009 |
Method for removing Cryptosporidium oocysts from water
A method for stabilizing and removing Cryptosporidium oocysts or Giardia cysts from water. The method comprises adding chitosan, a salt or solution of chitosan to water containing ...
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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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7115201 |
Method of treating mine drainage
A method of treating mine drainage water including the step of adding a scale control agent to the mine drainage water and, optionally, adding an oxidizing agent to the mine drainage water and/or...
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7108792 |
Process for cleaning wash water
Agents are used as cleaning agents and also as agents to purify the water in water treatment plants. The agents are a mixture of phosphates and fatty acid salts. Precipitation agents are used such...
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7105094 |
Method for the removal of heavy metals from acidic wastewater and chemical solutions
A method which uses a process reactor having three separate reaction stages to remove high concentrations of heavy metals from acidic wastewater and chemical solutions. During each of three stages...
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7087171 |
Method for selective recovery and dewatering sewage sludge by using sludge-coal-oil co-agglomeration
Disclosed herein is a method for dewatering sewage sludge by using sludge-coal-oil co-agglomeration (“SOCA”) which comprises the steps of physically, chemically or biologically conditioning...
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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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7048854 |
Apparatus for the removal of heavy metals from acidic wastewater and chemical solutions
An apparatus which uses a process reactor having three separate reaction stages to remove high concentrations of 3000 mg/l heavy metals from acidic wastewater and chemical solutions. During each of...
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7048852 |
Method and apparatus for treating water or wastewater to reduce organic and hardness contamination
A method of treating liquid including mixing coagulant with the liquid, introducing mixed coagulant and liquid into a primary reaction zone, containing an agitator, of a reactor which is...
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