Patents
Patents for B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726)
02/2002
02/28/2002WO2001078882A3 Composite membrane and method for making the same
02/28/2002WO2001068533A3 Method and device for purifying water
02/28/2002US20020024663 Method and apparatus for user guidance in optical inspection and measurement of thin films and substrates, and software therefore
02/28/2002US20020023865 Multi-element, reverse osmosis, liquid filter system with flushing and filtering circuits
02/27/2002CN1079690C Improved method for manufacturing of acetate fiber pellicle and medical product thereof
02/26/2002CA2100255C Back flushable filtration device and method of forming and using same
02/21/2002WO2002013981A1 Method for cleaning ultrapure water supplying system
02/21/2002WO2002013954A1 Immersion type membrane filter
02/21/2002US20020020675 Electrolytic cell for generating at least one oxidant, electrolyte reservoir, power source, activator for activating power source
02/21/2002DE10038276A1 Self cleaning membrane for separating materials in water comprises surface with raised areas and depressions, which is in contact with the water
02/20/2002EP1180391A2 Filter device
02/20/2002EP1126905A4 Self-priming dialysis filter
02/20/2002CN1336847A Immersed membrane element and module
02/19/2002USRE37549 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate
02/19/2002US6348175 Membrane apparatus with enhanced mass transfer via active mixing
02/19/2002US6348154 Using an inorganic cross-flow filter, after precipitating out most of the metals as salts; periodic backflow to clean filter of metal buildup
02/19/2002US6348148 Seawater pressure-driven desalinization apparatus with gravity-driven brine return
02/14/2002WO2002011867A1 Hollow yarn membrane module, hollow yarn membrane module unit, and method of producing hollow yarn membrane modules
02/14/2002CA2385946A1 Hollow fiber membrane module, hollow fiber membrane module unit and manufacturing method of hollow fiber membrane module
02/13/2002EP1179841A2 Graphical User Guidance Method and Apparatus for the Optical Measurement of Layers and Substrates and Software
02/07/2002US20020014457 Contacting liquids admixed with water with molecular sieve, characterised in that the molecular sieve is pretreated so as to reduce its acid site concentration
02/07/2002DE10045227C1 Membrane filter for water treatment uses capillary membrane fibre bundle projecting into untreated water and fitting into permeate collection space at opposite end
02/06/2002EP0787275B1 Controlled delivery of filtered cryogenic liquid
02/05/2002US6344142 Sludge settled in a settling tank is returned into a return sludge reaction tank having a settling section in its rear portion; unreacted chemicals contained in returned sludge can be utilized and not discharged as sludge.
01/2002
01/31/2002WO2002007854A1 Blood collection systems and methods using a porous membrane element
01/31/2002WO2000047307A9 Separation devices and processes
01/31/2002US20020011438 Water purification treatment apparatus with large pore size filter membrane unit
01/31/2002CA2416828A1 Blood collection systems and methods using a porous membrane element
01/30/2002EP1176461A1 Process to improve the functioning of a membrane of a nanofiltration device
01/30/2002EP1175253A1 Hollow-fiber membrane devices and methods of assembly
01/30/2002CN1333705A Membrane assembly for solid-liquid separation method of cleaning the same, and detergent
01/30/2002CN1333080A External pressing hollow fibre membrane separator and use method thereof
01/24/2002WO2001060477A3 Filter device, preferably a hollow fibre dialyser, comprising curled hollow fibres
01/24/2002DE10034386A1 Verfahren und Vorrichtung zur Elektrofiltration Method and apparatus for electrostatic precipitation
01/23/2002EP1174177A2 Spiral wound membrane element, spiral wound membrane module and treatment system employing the same as well as running method and washing method therefor
01/23/2002EP1174176A1 Running method and washing method for spiral wound membrane element and spiral wound membrane module
01/23/2002EP1174175A1 Hollow yarn membrane module, potting agent therefor and method for deaeration of liquid chemicals
01/23/2002CN1078092C Hollow fiber filter element
01/17/2002WO2002004100A1 Multi-stage filtration and softening module and reduced scaling operation
01/17/2002US20020005385 Water treatment systems and methods
01/17/2002CA2383962A1 Multi-stage filtration and softening module and reduced scaling operation
01/16/2002EP1172335A1 Process for cleaning candle filters and membrane systems
01/10/2002WO2001030173A3 Methods and systems for forming concentrated consumable extracts
01/10/2002US20020003105 Modular assembly for hollow membrane fiber cartridges
01/09/2002EP1170053A1 Running method and treatment system for spiral wound membrane element and spiral wound membrane module
01/09/2002EP1170052A1 System for withdrawing permeate from a multicomponent liquid substrate
01/08/2002US6337018 Coating porous support with solution of polyfunctional amine and solution of polyfunctional acyl halide which react to form polyamide layer, including step of contacting phosphorous compound with acyl halide before reacting with amine
01/07/2002CA2313740A1 Multi-stage filtration and softening module and reduced scaling operation
01/01/2002US6334955 Fresh water generator and fresh water generating method
01/01/2002CA2149418C High flux hollow fiber membrane
12/2001
12/27/2001US20010054584 Ultrafilteration device and method of forming same
12/25/2001US6332964 Multi-phase solid ion and electron conducting membrane with low volume percentage electron conducting phase and methods for fabricating
12/20/2001WO2001096003A1 Filtering device incorporating a circulation loop
12/20/2001WO2001096002A1 Device for cross-flow filtration of liquids
12/20/2001WO2001096001A1 Filter cartridge for microfiltration and method for manufacture thereof
12/20/2001US20010052494 Chemical cleaning backwash for normally immersed membranes
12/19/2001EP1164109A1 Apparatus for production of potable water
12/18/2001US6331256 Treatment process for fluorine-containing water
12/18/2001US6331251 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
12/18/2001US6331248 Hollow fiber membrane module
12/18/2001CA2276037C Apparatus and method for detecting leakage through filtration membrane
12/13/2001WO2001093994A1 Polyamide membrane exhibiting an increased hydrolysis stability and method for the production thereof
12/13/2001WO2001093980A1 Expansion resistant filter cartridge
12/13/2001WO2001039870A3 Determination of the efficiency of a filter
12/13/2001US20010050252 Composite membrane and method for making the same
12/13/2001US20010050095 Method and apparatus of regenerating filtration membrane cartridge for activated sludge
12/12/2001EP1161981A2 Apparatus and method for multistage reverse osmosis separation
12/12/2001CN1326377A Method and apparatus for removing floating substances and salts from liquid by membrane filtration
12/11/2001US6328886 Gas diffuser for aeration vessel of membrane assembly
12/06/2001WO2001091931A1 Method of cleaning passageways using a mixed phase flow of a gas and a liquid
12/06/2001WO2001091891A1 Method for controlling the integrity of a nanofiltration or reverse osmosis module, or module system
12/06/2001US20010047962 Apparatus and method for cleaning membrane filtration modules
12/06/2001US20010047813 Mixture of water, surfactant, hydrogen peroxide and inert solid particles
12/05/2001EP1159058A1 Method and apparatus for evaluating a membrane
12/05/2001EP0973601B1 Filter device with a flow guide in the closing cap
12/04/2001US6325938 Method of cleaning membrane assembly with detergent
12/04/2001US6325928 Immersed membrane element and module
12/04/2001US6324898 Method and apparatus for testing the integrity of filtering membranes
11/2001
11/29/2001WO2001089669A2 Cross-flow filtration assembly
11/29/2001WO2001089668A1 Crossflow filtration device
11/29/2001WO2001066236A3 Pervaporation apparatus and method
11/29/2001DE10024594A1 Waste water filter membrane pendulum action filter cassette driven by continual supply of rising gas
11/27/2001US6322709 Communicating with an automated control arrangement to establish fluid flow through leukocyte depletion medium, sensing the back pressure and terminating
11/27/2001US6322703 Method for purifying aqueous suspension
11/27/2001US6322698 Vibratory separation systems and membrane separation units
11/22/2001WO2001087484A2 Multiplewell plate with adhesive bonded filter
11/22/2001WO2001087470A1 Method and device for purifying water
11/22/2001WO2001087469A1 Separation module and method for producing the same
11/22/2001US20010042710 Molded plate, sealed filter
11/21/2001EP1154851A1 Water-insoluble linear polysaccharides for filtration
11/20/2001US6319411 Method of maintaining clean vertical skeins of hollow fiber membranes and system therefor
11/15/2001WO2001085295A2 Use of magnetic particles or other particles having relatively high density in a fluid for mixing and/or leak detection
11/15/2001WO2001031078A3 Glass-ceramic seals for ceramic membrane chemical reactor application
11/14/2001EP1152817A1 Filters and method for producing filters
11/14/2001CN1322149A Ultrafiltration and microfiltration module and system
11/14/2001CN1321540A Membrane back-washing equipment of cross-flow type membrane filtration system
11/08/2001WO2001083090A1 Composite membrane
11/08/2001WO2001044115A3 Waste water treatment system
11/07/2001EP0769980B1 Membrane reparation and pore size reduction using interfacial ozone assisted chemical vapor deposition
11/06/2001US6312601 Treating a wastewater stream containing colloidal silica with an organic polymer coagulant, wherein the coagulant reacts with the silica to form a spherical, silica-based particulate which agglomerates to form a cluster
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