Patents
Patents for B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726)
03/2001
03/28/2001CN1063674C Method and apparatus for using operation pump to conduct semi permeable membrance negative pressure cleaning
03/27/2001US6207209 Method for removing phospholipids from vegetable oil miscella, method for conditioning a polymeric microfiltration membrane, and membrane
03/27/2001US6207053 Thermoplastic, unibody transfer device
03/27/2001US6207052 Method and apparatus for removing air locks within manually operated micro-filtration devices
03/22/2001WO2001019414A1 Cleaning and decontaminating dialyzers by per-compound solutions
03/20/2001US6203714 For filtering drinking-water for domestic use
03/20/2001US6203713 Providing filter assembly comprising depth filter and microporous membrane; determining an optimal fluid velocity by operating identical assemblies at different constant velocities; noting total throughput for such time duration
03/20/2001US6202475 Predicting logarithmic reduction values
03/15/2001WO2001017666A1 A process for the removal of organic substances (toc), pesticides, or other substances from a salt solution
03/15/2001WO2001017664A1 Recovery of olefins from gaseous mixtures
03/08/2001WO2001016036A2 Water treatment systems and methods
03/08/2001WO2001016030A1 System for operation of multiple membrane filtration assemblies
03/08/2001CA2384095A1 Water treatment systems and methods
03/06/2001US6197203 Cleaning a membrane filter in a filtration tank into which air is blown by deactivating algae and spores, decomposing them with microorganisms aerating and filtrating; antifouling agents; swimming pools; water and sewage systems; rivers
03/01/2001WO2001014844A1 Device for detecting leakage in membranes
02/2001
02/28/2001EP1078679A1 Joint structure for filtration membrane module
02/28/2001EP1077754A2 Filter for removing solids from liquids
02/27/2001US6193890 System for maintaining a clean skein of hollow fibers while filtering suspended solids
02/27/2001US6193883 Microfiltration apparatus
02/27/2001US6192900 By introducing cleaning fluid through a needle at a pressure above atmospheric pressure,introducing air and circulating therewith in and draining the waste
02/22/2001WO2001012325A1 Method and apparatus for directly sampling a fluid for microfiltration
02/22/2001WO2001012318A1 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids
02/22/2001WO2001012306A1 Cleaning agent and method for cleaning ultrafiltration membranes in electrophoretic dip coating installations
02/22/2001DE19937300A1 Biofilmvermeidung Biofilm Prevention
02/20/2001US6190557 Spiral wound type membrane element, running method and washing method thereof
02/20/2001US6190556 Desalination method and apparatus utilizing nanofiltration and reverse osmosis membranes
02/15/2001WO2001010540A2 A method of cross-flow filtration and a cross-flow filtration installation
02/15/2001WO2001010218A1 Method for preventing the formation of biological films
02/15/2001DE10004863A1 Separation of solids and liquid from sludge suspension using high efficiency, low cost agitated filter, passes flow of suspended air bubbles tangentially and turbulently past loosely-held filter membrane
02/15/2001CA2378335A1 A method of cross-flow filtration and a cross-flow filtration installation
02/14/2001EP1075453A1 Device and method for molecular polarization in water
02/13/2001US6187200 Can be used for the desalination of brackish water and sea water, treatment of waste water, recovery of valuable material, etc.
02/13/2001US6187195 Use of polyaspartic acids and their mixtures with surfactants and emulsifiers for inhibiting or delaying deposit formation by sparingly soluble organic and inorganic components in the treatemnt of an aqueous feed using at least one membrane
02/13/2001US6187157 Multi-phase solid electrolyte ionic transport membrane and method for fabricating same
02/13/2001US6186341 Integrity testable filtration unit using supported hydrophilic porous membranes
02/08/2001WO2001008791A1 Improvements to chemical washing and, particularly to rinsing of separating membrane devices for solutions and suspension
02/08/2001WO2001008790A1 Chemical cleaning backwash for immersed filtering membranes
02/08/2001WO2001008789A2 Maintenance cleaning for membranes
02/08/2001WO2001008722A2 Filtration unit for a dialysis machine
02/08/2001DE19936194C1 Verfahren und Vorrichtung zur Abwasserreinigung unter Verwendung modifizierter Membranfiltration Method and apparatus for wastewater treatment using a modified membrane filtration
02/08/2001CA2380061A1 Improvements to chemical washing and, particularly to rinsing of separating membrane devices for solutions and suspension
02/08/2001CA2345943A1 Filtration unit for a dialysis machine
02/06/2001US6184321 Dispersing mineral material in aqueous medium, by employing a polymer as a milling agent and/or dispersant
02/06/2001US6183647 Method and apparatus for treatment of liquid
02/06/2001US6183646 Biofouling reduction
02/06/2001US6183543 Apparatus and methods for gas extraction
02/06/2001CA2161055C Device for filtering and separating particularly of biologically organic flow media with filter elements of the type of membrane cushions
02/01/2001DE19938886C1 Reinigungsmittel und Verfahren zur Reinigung von Ultrafiltrationsmembranen in Elektrotauchlackierungsanlagen Cleaning agent and method for cleaning ultrafiltration membranes in electrocoat systems
02/01/2001DE19926372A1 Recognizing leakages in membranes for liquid media comprises providing membrane with swelling fleece which combines electrically conducting conductors or separates them under action of liquid
01/2001
01/30/2001CA2279766A1 Aeration system for submerged membrane module
01/29/2001CA2279087A1 Maintenance cleaning for membranes
01/25/2001WO2001005839A1 Use of surface-active agents in the impurity removal process from solutions containing acetic derivatives using nano-filtration with membranes, in a process to obtain cellulose acetate
01/25/2001WO2001005449A1 Exchanger apparatus and method of manufacture
01/23/2001CA2160330C Apparatus and method for multistage reverse osmosis separation
01/20/2001CA2278085A1 Aeration system for submerged membrane module
01/18/2001WO2001003814A1 Poly(1-trimethysilyl-1-propyne) membrane regeneration process
01/18/2001WO2001003813A1 Filtering unit and method of sealing same
01/18/2001DE19931261A1 Verfahren zur Mikrofiltration A method of microfiltration
01/17/2001EP1068873A1 New method of cleaning and disinfecting hemodialysis equipment using an aqueous solution comprising a surface active agent and an active oxygen generator, as well as a new composition
01/16/2001US6174437 Water treatment system
01/13/2001CA2313870A1 Novel method of cleaning and disinfecting a haemodialysis apparatus with an aqueous solution comprising a surfactant and an active oxygen generator and novel composition
01/11/2001WO2001002084A1 Detachable separation module
01/11/2001WO2000057994A3 Reverse osmosis cartridges and reverse osmosis membranes
01/10/2001EP1067219A1 Microfiltration process
01/04/2001WO2001000307A2 Self cleaning filter
01/02/2001US6168724 Rotating wall perpendicular to filter element
12/2000
12/28/2000WO2000078436A1 Back-flushable spiral wound filter and methods of making and using same
12/28/2000WO2000078429A2 Filtration devices comprising a sealing gasket
12/28/2000DE19928381A1 Waste water purification unit, especially for a car-wash, has a filter which is flushed with ozone- and-or hydrogen peroxide-enriched waste water
12/27/2000EP1061970A1 Modular combined pump, filtration, oxygenation and/or debubbler apparatus
12/27/2000EP1061960A1 Cleaning method utilizing ozonated water and apparatus for producing ozonated water
12/26/2000US6165361 Apparatus for the filtering and separation of flow media with at least one permeate outlet
12/26/2000US6165303 Method of making tubular pressure vessel having an end closure
12/21/2000WO2000076640A1 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
12/20/2000EP1060006A1 Method for controlling the integrity of hollow fibre filtering modules
12/20/2000EP0909210B1 Method and installation for in situ testing of filtering membrane integrity
12/19/2000US6161435 Method and apparatus for determining the state of fouling/cleaning of membrane modules
12/19/2000CA2115069C Method of checking the rate of removal of pyrogenic substances, in particular viruses, from organic material
12/14/2000WO2000075628A1 Method for conducting integrity testing of filter units and a testing device for carrying out the method
12/14/2000WO2000075082A1 Sealing means for electrically driven water purification units and method of manufacturing thereof
12/14/2000WO2000074826A1 Apparatus and method for membrane filtration with enhanced net flux
12/14/2000DE19926002A1 Verfahren zur Integritätsprüfung von Filtereinheiten und Prüfeinrichtung zur Durchführung des Verfahrens A method for testing the integrity of filter units and testing device for performing the method
12/12/2000US6159373 Terminating filtration operation, sealing shell and removing remaining filtrate from lumens, applying source of fluid under pressure to lumens to cause explosive decompression through walls of fibres; washing; resuming filtration
12/12/2000US6159369 Soaking areas of porous hydrophilic filter membrane in hydrophobic polymer material with a solution of hydrophilizing agent containing polyvinylpyrrolidone, peroxodisulfate; washing and drying saturated hydrophilic filter membrane
12/08/2000CA2279201A1 Sealing means for electrically driven water purification units and method of manufacturing thereof
12/07/2000WO2000072949A1 Filtration using pressure vessel with multiple filtration channels
12/07/2000DE19925397A1 Verfahren und Vorrichtung zur Fest-Flüssig-Trennung Method and apparatus for solid-liquid separation
12/06/2000EP1057520A1 Microfilter cartridge
12/06/2000EP1057512A1 Method and apparatus for solid/liquid separation
12/06/2000EP1057493A2 Cartridge holder for a dialysis apparatus
12/06/2000CN1275418A Method for removing inpurity from fluid
12/06/2000CN1275417A Method for removing removed substance from fluid
12/06/2000CN1275416A Apparatus for removing removed substance from fluid
12/05/2000US6156200 Gas-scrubbed hollow fiber membrane module
12/05/2000US6156192 Waste treatment system
11/2000
11/30/2000WO2000071783A1 Portable disinfection and filtration system
11/28/2000US6153102 Disinfection of dead-ended lines in medical instruments
11/28/2000US6152995 Etching to control thickness
11/28/2000CA2016761C Multiple tube series membrane filtration module & method of preparing same
11/23/2000WO2000069547A1 A fluid flow housing
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