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7601203 |
Hybrid vacuum system for fuel deoxygenation
A fuel system for a gas turbine engine removes oxygen from fuel with a fuel stabilization unit (FSU). The FSU includes a first vacuum stage, where vacuum pressure is created by an ejector and a...
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7601201 |
Method of removing carbon monoxide from an oxygen carrier and apparatus for removing carbon monoxide
A method of removing carbon monoxide from an oxygen carrier including setting a carbon monoxide bonded oxygen carrier solution across a separation membrane from an oxygen-dissolved solution; and...
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7569146 |
By-products from fermentation still bottoms
The disclosed invention is an improved method for treating ethanol distillation still bottoms by recovering, through solids separation and pressurized membrane filtration, potable water from still...
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7501064 |
Integrated electro-pressure membrane deionization system
An integrated treatment system using electrodialysis and pressure-driven membranes for deionizing and decontaminating liquids to a near-pure quality for use or reuse in industrial or municipal...
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7465398 |
Method for filtering and recovering solids from potato process water
A method for filtering and recovering solids from potato process water that results in a product containing a portion of the solids from the potato process water is presented. In general, the...
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7452405 |
Multi stage sulfur removal system and process for an auxiliary fuel system
A system for producing an auxiliary fuel stream containing a low concentration of sulfur compounds from a primary fuel stream includes a first separation stage to separate a portion of a primary...
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7442359 |
Recovery of sulphuric acid
The invention is directed to a process for the recovery of sulphuric acid from a mixture comprising sulphuric acid and hydrocarbons, in particular carbohydrates. In accordance with the present...
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7442309 |
Methods for reducing boron concentration in high salinity liquid
Methods of treating a high salinity liquid, such as seawater, containing boron are provided, including adjusting the pH of the liquid to about 8 to about 9.5, optionally adding a scale inhibitor to...
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7341663 |
Spiral-wound liquid membrane module for separation of fluids and gases
The present invention is a filtering and chemical separation device that performs the operations of solvent extraction and pervaporation in a single piece of equipment, configured as a spiral-wound...
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7306735 |
Process for the removal of contaminants from water
The present invention provides a method of removing contaminants from water which includes the steps of first providing a water feed exposed to at least one hydrocarbon or chemical process. This...
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7267774 |
Fuel and by-products from fermentation still bottoms
The disclosed invention is an improved method for treating ethanol distillation still bottoms by recovering, through solids separation and pressurized membrane filtration, potable water from still...
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7258767 |
Solar dew tube
The invention pertains to a device for the condensation of water from an aqueous liquid by using a temperature gradient, which device includes:
(a) a vapor chamber that can be brought in...
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7255792 |
Method for modifying an organic composition
There is provided a process for modifying a first organic composition comprising (i) at least one first solvent, (ii) at least one solute, and (iii) optionally, at least one second solvent to...
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7214319 |
Method of separating protein from animal milk
The present invention refers to a method of separating casein from animal milk, especially, after defatting the animal milk as the pretreatment, the processing of the defatted milk aforesaid...
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7150831 |
Method of purifying fischer-tropsch derived water
A process for the production of purified water from Fischer-Tropsch reaction water wherein the purified water is an aqueous stream having a COD of between 20 and 500 mg/l, a pH of between 6.0 and...
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7141171 |
Membrane cascade-based separation
The present invention provides counter flow cascade separation systems useful to separate solute/solute pairs present in a solvent. The separation systems include a series of interconnected stages...
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7077962 |
Method and apparatus for parallel desalting
Parallel desalting (PDS) includes a hybrid membrane softening (MS) system for de-mineralizing water for residential and commercial use. Parallel desalting produces “soft” water without the use...
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7052826 |
Monitoring method, process and system for photoresist regeneration
A monitoring method for photoresist regeneration, a process and a system for the same are provided. In the photoresist regeneration process of the invention, the solid content and viscosity of...
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6939468 |
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters
The present invention relates to the field of synthetic polymeric microfiltration membrane materials that are fabricated to separate liquids from solids contained therein. One aspect of the...
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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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6926833 |
Tangential-flow filtration system
The present invention includes a system and method for transferring a selected solute species from a fluid mixture to a fluid media. The system of the present invention includes a convergent...
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6866784 |
Slurry recycling system and method for CMP apparatus
A slurry recycling system for use in a chemical mechanical polishing (CMP) apparatus for polishing a workpiece by using a slurry containing an abrasive, a pH agent and a deionized water is...
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6866783 |
Module with membrane elements in cross-flow and in a dead-end arrangement
Membrane module for substance-specific treatment of fluids, such that the module has first and second membrane elements arranged with one end pointing toward a distribution space and the other end...
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6841074 |
Method and apparatus of purifying an electrolyte
A method of purifying an electrolyte by bringing the electrolyte into contact with a first effective surface of a separating unit that is permeable to contaminants to be removed from the...
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6830691 |
Processes using solid perm-selective membranes in multiple groups for simultaneous recovery of specified products from a fluid mixture
Economical processes of the present invention are for separation of fluid mixtures to recover desired products using apparatus comprising a plurality of membrane modules disposed in a first product...
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6793825 |
Process for the separation of organic substances from an aqueous mixture
The present invention relates to a process for separating from an aqueous mixture one or more organic substances containing at least one positively charged and/or chargeable nitrogenous group by...
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6706190 |
Method for fractionation of water soluble or dispersible polymers containing amino groups with a broad molar mass distribution
A process for fractionating water-soluble or water-dispersible amino-containing synthetic polymers having a broad molar mass distribution by ultrafiltration, wherein the polymer solution or...
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6663778 |
Process for the treatment of aqueous streams containing inorganics
Disclosed is a method of separating sulfate-ion pair complexes from aqueous streams. The method involves the steps of: (a) concentrating and distilling an aqueous stream containing inorganic...
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6656362 |
Spiral reverse osmosis membrane element, reverse osmosis membrane module using it, device and method for reverse osmosis separation incorporating the module
A spiral reverse osmosis membrane element of the present invention includes a plurality of bag-shaped reverse osmosis membranes, permeated liquid passage members arranged inside the reverse osmosis...
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6656359 |
Method and apparatus for reuse of abrasive fluid used in the manufacture of semiconductors
An apparatus and method recycles the abrasive fluid or slurry effluent used in the polishing step in the manufacture of semiconductors. Agglomerations of abrasive grains built up in the slurry...
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6645383 |
Process and apparatus for blending product liquid from different TFC membranes
A process and apparatus for membrane treatment of a feed liquid to form a product liquid includes feeding a feed liquid, typically an aqueous solution such as tap water, to a primary membrane. The...
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6592763 |
Method and device for treating aqueous flows in a bioreactor, an ultrafiltration unit and a membrane filtration unit
A novel method for purifying, by means of an essentially closed circuit water purification system, an aqueous flow from a processing unit includes the steps of: (a) supplying to a bioreactor, and...
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6555003 |
Potato wastewater treatment method
A method for treating potato wastewater comprising the steps of pretreating a potato wastewater stream including suspended and dissolved solids with an alpha amylase enzyme to hydrolyze starch in...
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6551642 |
Process for removing oil from foodstuffs using a membrane filter
A process and system for extracting a solute from a solid material, such as oil from oil-bearing foodstuffs, utilize a substantially tubular membrane filter to separate a mass of the extracting...
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6508936 |
Process for desalination of saline water, especially water, having increased product yield and quality
A desalination process is disclosed which combining two or more substantially different water treatment processes in a unique manner to desalinate saline water, especially sea water, to produce a...
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6486306 |
Filtration
Filtration methods comprise virus-filtering a solution containing a least one macromolecule. In one embodiment, the total salt content of the solution is within the range of from about 0.2 M to 2...
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6461514 |
High water recovery single stage membrane process
Disclosed is an economical single stage membrane process intended to provide very high overall water recoveries from natural sources or wastewater containing high concentrations of hardness and...
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6416668 |
Water treatment process for membranes
This invention discloses a cost-effective process for separating contaminants and a wide-range of fouling material from surface water, ground water and from industrial effluents. Having undergone...
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6402956 |
Treatment system and treatment method employing spiral wound type membrane module
In a treatment system, a spiral wound type membrane module is provided on a preceding stage of a reverse osmosis membrane separation device for performing pretreatment with the spiral wound type...
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6365051 |
Precipitation-membrane distillation hybrid system for the treatment of aqueous streams
A method of treating an aqueous stream having inorganic material dissolved therein, the method comprising the steps of: (a) adding organic solvent to the aqueous stream in an amount effective to...
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6267891 |
High purity water production using ion exchange
A method of producing high purity water using weak acid cation exchange for dealkalization and a double pass reverse osmosis membrane system having enhanced membrane life.
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6258278 |
High purity water production
A method of producing high purity water using dealkalization and a double pass reverse osmosis membrane system having enhanced membrane life.
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6258276 |
Microporous membranes and uses thereof
Charged membranes comprise a porous substrate and a cross-linked polyelectrolyte or hydrogel located in the pores of the substrate and are useful in a variety of membrane separation processes,...
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6241892 |
Method of reducing the contamination level of a solvent purification system, and such solvent purification system
A solvent purification system and method of reducing the contamination level thereof are provided. Contaminated solvent is directed under pressure across at least one cross-flow membrane unit, and...
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6224766 |
Membrane treatment method and membrane treatment apparatus
In a membrane treatment method, raw liquid is supplied to a circulation tank, and circulation liquid is supplied into an inter-membrane passage between filtration membranes disposed within a...
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6190556 |
Desalination method and apparatus utilizing nanofiltration and reverse osmosis membranes
Apparatus and methods for producing potable water from an aqueous feed such as seawater utilizing a pressure vessel designed for operation in the range of about 250 psig to about 350 psig having...
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6187570 |
Electrodialysis methods for purification and recovery of gluconic acid derivatives
A process for purifying and concentrating a gluconic acid derivative, such as 2-keto-L-gulonic acid, comprising introducing a non-viable and/or acidified fermentation medium or an in-vitro reactor...
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6187200 |
Apparatus and method for multistage reverse osmosis separation
This invention relates to an apparatus and method for a multistage reverse osmosis separation which comprises reverse osmosis membrane module units arranged at multistage with a booster pump...
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6187197 |
Multi-stage engine coolant recycling process
A multi-stage apparatus and a process for recycling used engine coolant employs a combination of filtration, dissolved air floatation, centrifugation (hydrocyclone separation), semi-permeable nano...
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6162361 |
Plating waste water treatment and metals recovery system
A process for removing heavy metal ions or cyanide ions from a waste water stream originating in a metal plating plant or a mine comprising the steps of pretreatment in which the waste water stream...
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