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7608190 |
Process for removing barium from water
A method for reducing barium concentration in waste streams. Hydrous manganese oxide (HMO) is formed in solution/slurry and mixed with water containing barium such that the hydrous manganese oxide...
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7540965 |
Process for treating concentrated salt solutions containing DOC
A process for removing DOC (dissolved organic carbon) from a concentrated salt solution containing DOC by contacting the salt solution with a coagulant/flocculant such that the DOC becomes...
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7497877 |
Solvent cleaning process
An improved solvent cleaning process of cleaning a non-aqueous solvent used in a dry cleaning process for fabrics including consecutive wash cycles for washing respective fabrics batches, including...
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7491336 |
Process for treating industrial effluent water with activated media
In a process for treating effluent water, a stream of effluent water is fed to a porous ceramic media filled reactor. Organic and inorganic impurities are absorbed and/or oxidized from the effluent...
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7491335 |
Removal of arsenic from water with oxidized metal coated pumice
The current invention is concerned with methods and compositions for the removal of arsenic contamination from water. A method for binding As to oxidized metal coated pumice and method for making...
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7488423 |
System and method of slurry treatment
Wastewater streams from semiconductor processing operations are treated to reduce the concentration therein of one or more metal species to a satisfactory level. The disclosed systems and technique...
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7449117 |
Filtration unit, installation method for a filtration unit and filtration apparatus
A filtration unit that includes a casing that has a closed bottom and is immersed in a water storage tank (or water storage pond) into which raw water is introduced, the casing being composed of a...
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7404900 |
Ammonium removal system including an electrophysical separation system
An ammonium removal system includes an ion-exchange medium, a brine source, and an electrophysical separation system. The ion-exchange medium may be used to remove ammonium from a waste stream. A...
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7404898 |
Method and installation for the production of lime water from deionised water
A method of producing lime water comprising deionising dilution water by membrane filtration, distillation or an ion exchange resin and adding silicate ions to the deionised water. Thereafter, the...
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7368058 |
Method of generating fresh water and fresh-water generator
The present invention is a water processing method comprising the steps of separating boron-containing water in a reverse osmosis membrane module to provide a permeated water and subjecting a part...
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7344640 |
Urban runoff water treatment methods and systems
The apparatus and methods of the present invention enable efficient and appropriate treatment of Urban Water Runoff, so that the treated Urban water Runoff can be can be introduced into public...
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7314547 |
Fountain solution recycling system for commercial printers
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a...
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7311837 |
Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate
In a process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate, the same are mixed with water and the potassium hydrogentartrate is...
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7306737 |
Inactivation of microorganisms and virus in liquids and sludge
A method of inactivating pathogens contaminating water and sludge, such as sewage sludge from wastewater treatment plants by exposing the contaminated material to an intense alternating mechanical...
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7300743 |
Radiation durable organic compounds with high transparency in the vacuum ultraviolet, and method for preparing
This invention concerns radiation durable organic compositions which are well-suited for use in 157 nm lithography by virtue of their high transparency and excellent radiation durability, and to a...
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7291266 |
Composite filter and method and apparatus for producing high purity water using the composite filter
To compose a composite filter for obtaining water having a high purity usable as water for life and water for medicine from water in which impurities are mixed. Furthermore, to compose an apparatus...
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7288498 |
Transition metal oxide-aluminosilicate purification media
The invention, in its various embodiments, relates to a medium for purifying fluids, particularly consumable fluids like air and water, by removing organic materials from the fluids by contacting...
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7276167 |
Method of adding activated carbon in water purification and method of water purification
When a raw water to be filtered c is fed from a raw water tank 11 reservoiring a raw water (water to be treated) to a membrane module by a raw water pump P 1 , an activated carbon raw material...
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7195923 |
Ratiometric determination of glycated protein
The present invention provides methods for determining a ratio of an amount of a glycated form of a protein to a total amount of the protein in a sample containing the glycated protein, the...
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7172701 |
Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent
A method of treating water including mixing the water with an inorganic powder reagent for reducing the content of organic matter. The water, after being mixed with the inorganic powder reagent, is...
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7144510 |
Method and apparatus for treatment of a fluid stream
A method for treating a fluid by providing a raw fluid to a process tank. The raw fluid may be water having varying degrees of contamination or another type of fluid. The method further consists of...
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7132052 |
System for the purification and reuse of spent brine in a water softener
System and method for purifying and recycling spent brine in a water softener are provided. The system may be made up of a cation exchange resin tank fluidly coupled for passing spent brine...
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7122122 |
Molecular imprinting of solute on cellulose/silica composite, and products and uses thereof
A cellulose/silica composite useful as a filter material is highly selective towards a solute that has been molecularly imprinted upon an inorganic gel coating formed on the cellulose. The filter...
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7112453 |
Retentate chromatography and protein chip arrays with applications in biology and medicine
This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity...
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7112282 |
Fountain solution recycling system for commercial printers
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a...
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7033498 |
Cartridges useful in cleaning dialysis solutions
Cartridges useful in regenerating or purifying dialysis solutions are described as well as methods to regenerate or purify spent dialysis solutions. Dialysis systems using the sorbent cartridges of...
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7025884 |
Method and apparatus for treatment of a fluid system
A method for treating a fluid by providing raw fluid to a process tank, adding an ion exchange resin to the process tank to form a raw fluid/ion exchange resin mixture, removing treated fluid from...
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7014771 |
Process for preparing water having an arsenic level of less than 10 PPB
The present invention relates to a process for the preparation of arsenic free water and an apparatus therefor. The present invention also relates to a porous ceramic useful for pressure filtration...
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6998052 |
Multicolumn selectivity inversion generator for production of ultrapure radionuclides
A multicolumn selectivity inversion generator separation method has been developed in which a desired daughter radionuclide is selectively extracted from a solution of the parent and daughter...
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6987183 |
Method for recovering products
The present invention is directed to a method comprising a multistep process for recovering one or more monosaccharides from a solution containing at least two monosaccharides selected from the...
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6984327 |
System and method for separating heavy isotopes of hydrogen oxide from water
An apparatus and method for separating heavy isotopes of hydrogen from contaminated water. The apparatus includes a treatment chamber with an elongated hollow core fiber (HCF) extending within the...
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6969466 |
Purification of ammonia
Highly pure aqueous solution of ammonia, typically electronics grade for use in semiconductor manufacturing is prepared by passing a solution of ammonia through at least one cation exchange resin...
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6960301 |
Leachate and wastewater remediation system
A compact portable modular wastewater treatment system which integrates several processing technologies to provide a substantially purified water source. A wastewater stream is sent through an...
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6942803 |
Process for purifying an organic acid
A process is disclosed for purifying an aqueous feed stream comprising a product organic acid, such as lactic acid, and a strong contaminant, such as pyruvic acid or oxalic acid. The molar...
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6929748 |
Apparatus and method for continuous electrodeionization
A method of water purification including the steps of passing source water through at least one reverse osmosis unit to produce a product water and reject water, directing the product water from a...
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6881345 |
Disposable fluid changing kit and method of disposing of the same
A fluid change kit for disposing of fluids, such as automotive fluids, includes a container at least partially filled with an absorbent. The fluid change kit typically includes a biodegradable box...
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6878285 |
Ion-exchange based fluid treatment systems
A process for removing soluble and insoluble inorganic, organic, and microbiological contaminants from a fluid stream employing a pretreatment module, a post-treatment module, a recharge stream...
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6858145 |
Method of removing organic impurities from water
In addition to health implications, trihalomethanes (THMs) poses a challenge to the electronic industry where such impurities cannot be tolerated. A process is provided for removing THMs from...
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6855173 |
Use of absorbent materials to separate water from lipophilic fluid
The present invention relates to the use of absorbent materials for separating water from an emulsion comprising water and lipophilic fluid. The methods, systems, and compositions of the present...
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6829319 |
Condensate demineralization
In a demineralization apparatus, a mixed bed of a gel type cation exchange resin having a moisture holding capacity of 41% or less or a degree of crosslinkage of 12% or greater is employed along...
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6827857 |
Control valve and water purification method
The present invention consists of an apparatus and method for supplying purified water to a faucet or other apparatus for use from a purification loop maintaining water in constant motion. The...
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6805801 |
Method and apparatus to remove additives and contaminants from a supercritical processing solution
The present invention pertains to methods and apparatus for removal of one or more solutes from a supercritical process solution. Solute additives and contaminants are removed from supercritical...
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6783681 |
Method and apparatus for treatment of drinking water
An apparatus and method for the treatment and purification of drinking water combines the use of an ion-exchange resin and a membrane filter ( 12 ) in a single process tank. The ion-exchange resin...
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6780328 |
Fluid purification devices and methods employing deionization followed by ionization followed by deionization
The invention provides the continuous, integrated methods and devices for substantially removing ionized and ionizable carbon compounds from an aqueous stream by first deionization step to produce...
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6770204 |
Filter media with enhanced microbiological interception capability
The present invention is directed to a composite filter medium having a pH altering material that can raise the pH of an influent such that microbiological contaminants in the influent remain...
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6764602 |
Process of removing oxygenated contaminants from an olefin composition
Disclosed is a method of controlling water and/or oxygenate concentrations of an olefin stream. The method includes contacting the olefin stream with a liquid absorbent. The liquid absorbent is...
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6745903 |
Methods for the on-line, on-demand preparation of sterile, water-for-injection grade water
A new method is described to produce large volumes of low cost sterile, Water-for-Injection (WFI) grade water on-line, on-demand from potable water in order to meet the needs of dialysis therapies...
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6706193 |
Method for recovering fluorinated emulsifiers from aqueous phases
Fluorinated emulsifiers can be recovered from an aqueous phase containing small amounts of fluoropolymer particles by treating the aqueous phase with a small amount of a nonionic surface-active...
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6692628 |
Process to remove ferric iron impurities from an acidic aqueous solution used in the electro-winning of copper
A process for the removal of primarily iron impurities from acidic aqueous electrolytic solutions used in the electro-winning of copper is described. Strong base Type 1 ion exchange resin is used...
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6685781 |
Fractionation method for sucrose-containing solutions
A method for separating sucrose and a second dissolved component from a sucrose-containing solution, preferably a beet-derived sucrose-containing solution, wherein the solution is subjected to a...
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