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6451209 |
Method and a system for the treatment of water
According to a method and a system for purifying bathing water for a swimming pool ( 1 ), water is passed through a filter ( 2 ) for filtration of the water. A subflow ( 6 ) of the filtered water...
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6436290 |
Method and apparatus for separating mixtures of organic and aqueous liquid phases
The invention disclosed relates to a method and apparatus for separating a mixture containing an aqueous liquid and an immiscible organic phase using microporous hollow fibers. Such mixtures are...
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6432310 |
Methods of running and washing spiral wound membrane module
A spiral wound membrane element is formed by covering a spiral membrane component prepared by winding a plurality of independent or continuous envelope-like membranes around the outer peripheral...
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6426005 |
Sequential descending bed filters with reject/washwater containing impurities being fed to a separate unit for elimination of impurities
A treatment system for treating water/wastewater includes two continuously operating granular media filters that are operated together in series. The water/wastewater to be treated is introduced as...
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6423232 |
Use of a neutral or cationic polymer to prevent activation of the contact phase of blood or plasma in contact with a semi-permeable membrane
A method for preventing activation of the contact phase of blood or plasma which comes into contact with a semi-permeable membrane based on polyacrylonitrile bearing fixed negative charges, which...
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6423230 |
Method for improving the permeate flux of a cross-flow membrane filter
A method for improving the permeate flux of a cross-flow membrane filter having at least two membrane ports through which the feed solution passes and at least two permeate outlets. The method...
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6423022 |
Blood purification apparatus
The ultrafiltration rate of a blood purification apparatus is controlled by a fuzzy control device in dependence on the patient's ( 16 ) blood pressure measured by a blood pressure monitor ( 24 )....
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6420185 |
Water contamination concentration apparatus and process
An apparatus and methods of utilizing a semi-permeable membrane to concentrate contaminants in a portion of an Ultra Pure Water stream to levels which are detectable by an on-line analyzer. This...
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6413430 |
Method and device for demulsifying an oil-containing aqueous emulsion
A process for separation of an oil-containing aqueous emulsion includes mixing the oil-containing aqueous emulsion with carbon-dioxide and subjecting the emulsion and carbon dioxide for a specified...
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RE37759 |
Coiled membrane filtration system
A method and apparatus for achieving reverse osmosis, microfiltration, nanofiltration and ultrafiltration, produces Dean vortices against a membrane surface which is advantageously in a form of a...
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6402955 |
Method for operating a membrane filter having a gas discharge cleaning means
Operation of a membrane filter includes the step of selectively supplying gas into the compartments of a membrane unit 50 composed of an array of membrane elements 51 disposed within a...
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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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6398820 |
Method for washing clothes, in particular working clothes
A process for washing laundry is provided in which a washing alkali component and a surfactant component are combined with water to form a wash liquor, the wash liquor is combined with laundry in a...
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6398964 |
Process for treating aqueous waste containing copper and copper CMP particles
A process for treating aqueous waste comprising a copper plating waste stream, a copper rinse stream containing organic carbon and solid particles, and a copper chemical mechanical planarization...
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6391209 |
Regeneration of plating baths
The present invention provides a system and method for selectively removing organic and inorganic contaminants from plating baths. More particularly, the invented method relates to the use of a...
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6391654 |
Separation and detection of spermatozoa
A kit for testing male fertility comprises a vessel, a base unit, a liquid supply containing liquid and two filters. The first filter is a sample separation filter which forms a hindrance to...
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6391077 |
Apparatus for removing fine particles in exhaust gas and apparatus for cleaning exhaust gas
The present invention discloses a fine particle-removing device connected to an exhaust path for a combustion exhaust gas, for removing fine particles contained in the exhaust gas. The apparatus...
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6383540 |
Method of processing whey for demineralization purposes
A method of treating whey for demineralization purposes, the method comprising a stage of separating out salts by transfer through electrodialysis or nanofiltration membranes, wherein, upstream...
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6383392 |
Process for concentrating epigallocatechin gallate
The present invention is a process for concentrating aqueous epigallocatechin gallate (EGCG) solutions by feeding an aqueous EGCG solution to at least one membrane module under pressure to provide...
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6375856 |
Method of recovering blood filtration residues
The invention provides a method of recovering filtration residues of blood which comprises filtering blood by a blood filtering device comprising a blood filtering material which is a depth...
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6375847 |
Method for operating a cross-flow filtration installation
The method relates to the operation of a cross-flow filtration installation for a product. This installation includes a filtration module ( 6 ), a pipeline ( 3 ) for the inflow of the product, a...
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6372144 |
Method for concentrating or washing macromolecules in a solution and device for carrying out said method
A device for removing or replacing solvent in a liquid sample containing macromolecules includes a concentration chamber having an aperture adjacent to the upper end of the concentration chamber...
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6372139 |
Circuit purification for the papermaking industry
A method for the treatment of process water or effluent from a papermaking process, in which this water is subjected to at least one anaerobic purification step, an aeration step and a solids...
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6361715 |
Method for reducing the redox potential of substances
Apparatus and a method of providing a water-based fluid with active hydrogen having selected characterstics including providing at least one material ( 10 ) having selected characteristics and...
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6358754 |
(Bio)chemical reagent solid phases, process for their production and their applications
Novel solid phase reaction supports are disclosed. The solid phase reaction supports include (a) a solid phase carrier having a multiplicity of NH 2 functional groups; (b) a coupling compound...
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6355173 |
Cleaning method for membranes
Oils, extracted from vegetables and animal tissues contain impurities such as waxes that can be removed in a refining process, including dewaxing of the oils that include removal of oils by...
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6355174 |
Method of separating foetal trophoblasts from maternal blood
A method of separating foetal trophoblasts from maternal blood comprises using a filter by applying a sample of maternal blood to the filter. The filter is configured to permit the passage of...
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6350382 |
Enhancing filtration yields in tangential flow filtration
A system is provided for proceeding with filtration of liquids in a manner having enhanced control characteristics. Yields are enhanced. The system and method can be used to maintain a...
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6340433 |
Water purification using titanium silicate membranes
Aqueous streams containing organic and/or inorganic contaminants are purified by the removal of the contaminant by contacting the aqueous stream with a membrane formed from a porous, crystalline...
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6331253 |
Method and plant for tangential filtration of a viscous liquid
The invention relates to a method of tangential filtration of a viscous fluid or liquid in which a supercritical substance is dissolved in a supercritical state in this viscous fluid or liquid so...
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6331252 |
Methods for priming a blood compartment of a hemodialyzer
A method for priming a hemodialyzer is disclosed. Hemodialyzer comprises a dialysate compartment, a blood compartment, and a dialysis membrane separating the dialysate and blood compartments. The...
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6328894 |
Processes of purifying a dispersion and making inkjet inks
A process to purify and classify a dispersion containing stabilized particles having counterions and ions as well as free species is disclosed. The solution may comprise an aqueous media, a solvent...
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6326044 |
Filter apparatus and method for the production of sterile skimmed milk
The present invention relates to a method for the production of commercially sterile skimmed milk. After separation, the skimmed milk fraction is treated by microfiltration in one or more steps....
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6322698 |
Vibratory separation systems and membrane separation units
A vibratory separation system having a drive mechanism for imparting a vibratory motion to a membrane module to enhance filtration. The membrane module comprises one or more filter elements secured...
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6312655 |
Method for the removal of carbon dioxide from a process gas
The invention relates to the absorption of carbon dioxide from a process gas using a solution of potassium carbonate, potassium bicarbonate, diethanolamine and potassium vanadate, followed by...
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6306609 |
Methods for the detection of nitric oxide in fluid media
In accordance with the present invention, there are provided articles for use in non-invasive measurements of nitric oxide levels in a variety of fluid media, e.g., in mammalian body fluids....
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6303035 |
Immersed membrane filtration process
A filtration process for filtering water with immersed microfiltration or ultrafiltration membranes in a batch mode includes repeated cycles comprising the steps of filling the tank to a level...
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6303036 |
Method and apparatus for efficient hemodiafiltration
An apparatus and method for hemodiafiltration are disclosed. The apparatus includes a first dialyzer cartridge containing a semi-permeable membrane that divides the dialyzer into a blood...
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6299778 |
Catalytically active permeable composite material, method for producing said composite material, and use of the same
The invention relates to a catalytically active, permeable composite material, a method for producing said composite material, and the use of the composite material. The inventive composite...
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6300142 |
Device and apparatus for conducting an assay
A apparatus for assaying glycated proteins and other analytes in biological samples such as blood, in which a sample is presented to the apparatus, includes an inlet port between moveable between...
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6296770 |
Constant concentration at the UF membrane wall UF process control and apparatus
A method and apparatus for ultrafiltration, washing and concentration of photographic emulsion uses the Blatt Stagnant Film Theory using a gelatin-based mass transfer coefficient of the feed,...
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6287347 |
Method for washing clothes
A method of washing textiles in an institutional washing machine wherein soil-containing wastewater is regenerated through a nanofiltration membrane and recycled to the washing process.
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6280626 |
Membrane separator assembly and method of cleaning the assembly utilizing gas diffuser underneath the assembly
A membrane separator assembly for separating solids from water includes opposing enclosure wall structures, a membrane module unit, and a gas diffuser disposed below the membrane module unit. The...
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6277648 |
Process and a device for the isolation of cell components such as nucleic acids from natural sources
Described is a method of isolating cell components, such as nucleic acids, from natural sources by filtering a sample of the digested natural sources such as cells or cell fragments. The method is...
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6267889 |
Rotary drum filter
The invention relates to a filter assembly for producing a paste-like filter cake and a substantially solids free filtrate or permeate. The filter assembly includes a substantially cylindrical...
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6267890 |
Method of operating spiral wound type membrane module
A spiral wound type membrane module is formed of a plurality of membranes wound about an axis of the module to form a roll of the membranes and to form feed water channels between the membranes...
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6261457 |
Method and product for cleaning hollow fiber material and filter
A peracetic acid disinfectant is used to clean particulate inorganic materials such as calcium and magnesium from fibers and filters. The method allows polysulfone filtens in particulate to be...
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6251295 |
Method for recirculation washing of blood cells
A bag or reservoir for recirculation washing of blood cells has a top outlet port and bottom inlet port. A method of recirculation washing of blood cells uses the bag in conjunction with a spinning...
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6252038 |
Method for selectively separating hydrocarbons
A method for separating specific hydrocarbons from a hydrocarbon mixture of hydrocarbons using a membrane made of a fluorine-containing polyimide resin having high separation ability with regard to...
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6248809 |
Ultrafiltration process for the recovery of polymeric latices from whitewater
Polymer is recovered by ultrafiltration from a whitewater waste stream generated during the production of a polymer latex. The whitewater stream is circulated through an ultrafiltration system in...
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