Patents
Patents for B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150)
05/2000
05/24/2000EP1001911A1 Method of treating solvent-containing process liquids
05/24/2000EP1001839A1 Hollow fiber co-flow filtration device
05/24/2000CA2254443A1 Housing for a component of a water treatment system
05/23/2000US6066254 Fluid filter assemblies with integral fluid seals
05/23/2000CA2149414C Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate
05/23/2000CA2132285C Photofinishing effluent purifying process and apparatus
05/23/2000CA2048997C Method and apparatus for controlling the relative humidity in concrete and masonry structures
05/18/2000WO2000027756A1 Water treating method
05/18/2000WO2000027513A2 Polymer composition, membrane containing said composition, method for the production and use thereof
05/18/2000WO2000027510A1 Method for filtration with membrane
05/18/2000WO2000009725A3 Method for recovering proteins from the interstitial fluid of plant tissues
05/18/2000DE19852557A1 Verschlußelement Closure member
05/18/2000DE19850707C1 Verteilerplatte für Crossflow-Kassettenfiltrationsgeräte Distribution plate for crossflow filtration cartridge devices
05/18/2000DE19817092A1 Removal of undesirable metal ions in ion exchanger regeneration streams with separate ion exchangers.
05/17/2000EP1000654A2 Spacer plate for use in membrane separation methods
05/17/2000EP1000632A2 Closure element
05/17/2000EP0843650B1 Biofouling reduction
05/16/2000US6063884 Contacting unsaturated monomer solution with a chain transfer agent having specific phosphorus atom degree of oxidation and hydrogen peroxide (h2o2) initiator, in absence of agent(s) which decompose h2o2 to form free radicals or generate them
05/16/2000US6063428 Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color
05/16/2000US6063297 Separation of blood cells from liquid suspension
05/16/2000US6063275 Reverse osmosis system having an accumulator means for preventing contamination of the system air gap
05/16/2000US6062255 Float valve assembly for a water purification system
05/16/2000CA2172323C Staged electrolyte membrane
05/16/2000CA2138153C Electrochemical preparation of dicarboxylic acids
05/16/2000CA2029231C Microfiltration process and apparatus
05/11/2000WO2000025922A2 Multi-well microfiltration apparatus
05/11/2000WO2000025911A1 Use of an adsorbent gel for eliminating and purifying biomolecules
05/11/2000WO2000025903A1 Pressure assisted electrodialysis
05/11/2000WO2000025902A1 Non-isosmotic diafiltration system
05/11/2000WO2000025838A1 Element provided with a fibrin layer, preparation and use thereof
05/11/2000WO2000007940A3 Method and device for separating biomass from water
05/11/2000CA2478306A1 Multi-well microfiltration apparatus
05/11/2000CA2349363A1 Non-isosmotic diafiltration system
05/10/2000EP0999179A2 Method for the production of hydrochloric acids with concentration above the concentration of the water/HCl azeotrope
05/10/2000EP0998971A2 Process for treating aqueous solutions containing bases and organic acids
05/10/2000CN1252738A Modular filtration systems and methods
05/09/2000US6059970 Membrane separation device
05/04/2000WO2000024683A1 Multi-stage engine coolant recycling apparatus and process
05/04/2000WO2000024499A1 A cross-flow filtration apparatus
05/04/2000DE19850565A1 Island sea water desalination plant sub-divided for discrete operation of each stage using only limited wind-generated power
05/04/2000DE19850398A1 Verfahren zur Herstellung von Salzsäuren mit Konzentrationen über der Konzentration des Wasser/HCI-Azeotrops A process for the production of hydrochloric acids with concentrations higher than the concentration of the water / HCl azeotrope
05/04/2000DE19849924A1 Electro-chemical process to remove organic acids from aqueous solution at reduced cost
05/04/2000DE19849922A1 Verfahren zur Behandlung von Basen und organische Säuren enthaltenden wäßrigen Lösungen A method for the treatment of bases and aqueous solutions containing organic acids
05/04/2000DE19848389A1 Two-stage filter has tapping arrangement to test filter integrity at intervals
05/03/2000EP0997437A2 Reactor for treating liquids
05/03/2000EP0997158A2 Systems and methods for separating erythrocytes
05/02/2000US6056967 Ultrafiltration; greater drainage and retention effect in papermaking
05/02/2000US6056878 Method and apparatus for reducing scaling in electrodeionization systems and for improving efficiency thereof
05/02/2000US6055995 Semiconductor manufacture apparatus
05/02/2000CA2207658C Electromembrane processes for the treatment of kraft mill electrostatic precipitator catch
04/2000
04/27/2000WO2000023637A1 Method and device for electrodialytic regeneration of an electroless metal deposition bath
04/27/2000WO2000023382A1 Method and apparatus for preventing scaling in electrodeionization units
04/27/2000WO2000023177A1 Membranes containing sulphonated polyetherketone and another polymer, method for the production and use thereof
04/26/2000EP0995483A1 A cross-flow filtration apparatus
04/26/2000EP0995482A2 Fresh water generator and fresh water generating method
04/26/2000EP0995481A2 Fresh water generator and fresh water generating method
04/26/2000EP0874682B1 Process for desalinating water and a suitable device
04/26/2000EP0832108B1 Process for recovering water-insoluble compounds from a fermentation broth
04/26/2000CN1251538A Method and apparatus for continuous flow isoelectric focusing for purifying biological substances
04/26/2000CN1251352A Water-purifying device and water-purifying method
04/26/2000CN1251317A Water-making device and method thereof
04/25/2000US6054105 Process for the solvent extraction of nickel and cobalt values in the presence of magnesium ions from a solution
04/25/2000US6054051 Tangential-flow filtration system
04/25/2000US6054050 Process for removing organic and inorganic contaminants from refinery wastewater streams employing ultrafiltration and reverse osmosis
04/20/2000WO2000021890A1 Cyclic aeration system for submerged membrane modules
04/20/2000WO2000007702A3 Template-textured materials, methods for the production and use thereof
04/20/2000WO2000000149A3 Absorbent article comprising a liquid handling member that rapidly distributes acquired liquid
04/20/2000DE19847782A1 An electrically conducting membrane useful for direct methane fuel cells and in electrodialysis contains sulfonated alternating polyether ketones with aryl-containing repeating units and optionally fluorinated polymer
04/20/2000CA2286628A1 Reactor for treating liquids
04/19/2000EP0877721B1 Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof
04/19/2000CN1251054A Container
04/18/2000US6051112 Separately controlling optimum voltage of first and second electrostatic fields in which aqueous feed and stripping solutions are broken into small droplets while flowing down through nonpolar carrier fluid having affinity for solute
04/18/2000US6050278 Dialyzer precleaning system
04/18/2000CA2162471C Chlorine dioxide generation for water treatment
04/18/2000CA2132682C Method for the removal of components causing turbidity, from a fluid, by means of microfiltration
04/18/2000CA2001976C Phosphonic acids and their uses in separation
04/13/2000WO2000020093A1 Fluid filtration unit
04/13/2000WO2000020053A1 Biological fluid filter and system
04/13/2000WO2000020052A1 Device and method for perfusing peritoneal dialyzing fluid
04/13/2000CA2346792A1 Fluid filtration unit
04/13/2000CA2346369A1 Device and method for perfusing peritoneal dialyzing fluid
04/13/2000CA2345535A1 Biological fluid filter and system
04/12/2000EP0992476A2 Method for recovering fluoroalcohol
04/12/2000EP0992279A2 Vibrating means for solid phase microextraction
04/12/2000CN1250428A Treatment of effluent streams containing organic acids
04/11/2000US6048727 Cell propagation method that removes metabolic wastes during cell propagation; establishing mass transfer system, pumping nutrient fluid through container, periodically switching the flow of fluid through the container
04/11/2000US6048457 Cast membrane structures for sample preparation
04/06/2000WO2000018497A1 Filtration systems and methods
04/06/2000DE19844227A1 Process to extract crystals from a super-saturated solution creates precisely defined crystallisation conditions
04/06/2000CA2345265A1 Filtration systems and methods
04/05/2000EP0989904A1 Membrane module with unilaterally embedded hollow fiber membranes
04/05/2000EP0989898A1 Antimicrobial filter cartridge
04/05/2000EP0805713B1 Process and apparatus for purification of contaminated acids
04/05/2000EP0796139B1 Modular transfer device for the transfer of material and/or heat from one medium stream to another medium stream, and module therefor
04/05/2000EP0720508B1 Device for dialyzing samples
04/05/2000EP0668793B1 Apparatus for kidney dialysis
04/05/2000CN1249697A Electrochemically assisted ion exchange
04/04/2000US6045684 Separating the sea water into an alkaline aqueous solution and an acidic aqueous solution; adding alkaline solution to brine and electrolyzing while adding oxygen to produce an aqueous solution of hydrogen peroxide; on site; pollution control
04/04/2000US6045675 Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus
04/04/2000CA2015661C Dewaxing of dried oil