Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635)
06/1998
06/10/1998CN1184077A Ion exchange process for producing potassium nitrate
06/10/1998CN1184004A Mixed bed ion exchange resin system and method of preparation
06/04/1998WO1998023375A1 APPARATUS FOR CHANGING pH OF SOLUTIONS
06/04/1998DE19641130C1 Automatic de-aerator for ion exchange vessel
06/03/1998CN2282928Y Ion exchange column
06/02/1998US5759404 Selective partition
06/02/1998US5759373 Porous ion exchanger and method for producing deionized water
05/1998
05/28/1998WO1998022203A1 Desalination apparatus and method
05/27/1998EP0844024A2 Mixed bed ion exchange resin system and method of preparation
05/26/1998CA2055733C Ion exchange fibers and method for manufacturing the same
05/22/1998WO1998020972A1 Electrodeionization apparatus and method
05/20/1998CN1182378A Method and apparatus for producing deionized water
05/14/1998WO1998020573A1 Highly conductive ion exchange polymer and process
05/13/1998EP0769032B1 Bipolar membrane and method for fabricating such bipolar membrane
05/12/1998US5750032 Removal of lithium from polymer cements
05/06/1998EP0781255A4 Water treatment process
05/06/1998EP0779830A4 Sieve system for an ion exchange column
05/05/1998US5748437 Fluid separation system with flow-through capacitor
05/05/1998US5747110 Porous webs
04/1998
04/29/1998EP0837729A1 Method and apparatus for producing deionized water
04/28/1998US5744023 Method for separation and recovery of organogermanium compound
04/28/1998CA2123799C Method for controlling the regeneration of a water treatment system
04/22/1998EP0836553A1 Composite particulate material and process for preparing same
04/15/1998EP0835277A1 Polyarylene sulphides with polymer-bound phosphonium salts and process for producing them
04/14/1998US5738775 Core-sheath structure ion exchange nonwoven fabric substrate for desalting compartment; desalting water, production of pure water in electrical power, including nuclear power, generating industries
04/08/1998EP0834350A1 Endotoxin adsorption system
04/08/1998EP0675761B1 Method and installation for treating an aqueous solution by ion exchange
04/07/1998US5736052 Ion exchange resin particle separation system
04/07/1998US5736023 Polarity reversal and double reversal electrodeionization apparatus and method
03/1998
03/26/1998WO1998011987A1 Electrodeionization apparatus and method
03/26/1998DE19640329A1 Zwitterionic hydrogels useful as water reservoirs, soil improvers etc
03/25/1998EP0830205A1 Water treatment tablet producing potable water
03/18/1998EP0716624B1 Filtering device
03/18/1998CN2276371Y Auto-control dealkalize desalt ion-exchanger
03/10/1998USRE35741 Process for purifying water
03/04/1998EP0761018B1 A modified cation exchange membrane for electrochemical cells and method for the preparation of such membrane
02/1998
02/25/1998CN1174174A Method for breaking down oxidizing substances in aqueous fluids
02/24/1998US5720878 Panel filter system
02/17/1998US5718920 Ion exchanger overcoated with permselective membrane
02/11/1998EP0823278A2 Adsorbent system
02/11/1998CN1172686A Removal of metal compounds from acid solution
02/05/1998WO1998004348A1 Filter sheet and process for purifying photoresist composition employing the filter sheet
02/05/1998CA2261862A1 Filter sheet and process for purifying photoresist composition employing the filter sheet
02/04/1998EP0730494B1 Particles for binding monovalent cations and their use
02/03/1998US5714521 Ion exchange particles embedded in an inert matrix having layer of hydrophilic crosslinked polymer bearing fixed electric charges; anti-polarizing and anti-fouling properties
01/1998
01/28/1998EP0821024A2 Heterogeneous ion exchange membrane and process for its production
01/27/1998US5711867 Electrochemical separation utilizing metalloporphyrins and metallophthalocyanines
01/15/1998WO1998001223A1 Lightweight portable device for converting tap water into a spray of demineralized water
01/14/1998EP0817758A1 Filter for drinking water filtration
01/13/1998US5707536 Multicompartment housings with caps and septums
01/13/1998US5707514 Water treating method and apparatus treating waste water by using ion exchange resin
01/08/1998DE19726499A1 Verfahren zur Entfernung von restlichem Wasser aus einem Behälter, der ein Ionenaustauscherharz enthält und Vorrichtung zum Ausführen des Verfahrens A process for removing residual water from a container which contains an ion exchange resin and apparatus for carrying out the method
01/07/1998EP0816294A2 Process for destroying oxidizing substances in aqueous liquids
01/07/1998EP0814908A1 Apparatus for purification of liquids
01/07/1998EP0814884A1 Improvements in membrane processes including electrodialysis
01/07/1998CN1169791A Radioaotive waste disposal carfridge
01/06/1998US5705050 Electrolytic process and apparatus for the controlled oxidation and reduction of inorganic and organic species in aqueous solutions
12/1997
12/24/1997WO1997048490A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method
12/24/1997CA2251807A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method
12/18/1997WO1997047560A1 Electrode and apparatus for performing electrochemical reactions
12/18/1997WO1997047379A1 Solids separation and solids flow control device
12/11/1997WO1997046492A1 Process for producing deionized water by electrical deionization technique
12/11/1997WO1997046491A1 Process for producing deionized water by electrical deionization technique
12/11/1997WO1997046490A1 Removal of metal salts by electrolysis using an ion exchange resin containing electrode
12/10/1997EP0607185B1 Particle-loaded nonwoven fibrous article for separations and purifications
12/09/1997US5695871 Reduction of openness of material
12/03/1997EP0810024A1 Membrane module assembly
11/1997
11/19/1997EP0807605A2 Device for desalinating and treating water
11/12/1997EP0806244A2 Process for controlling the pH value op liquids used in industrial processes and system for carrying out the process
11/06/1997WO1997041071A1 Electrolytic process and apparatus for controlled oxidation/reduction in aqueous solutions
11/06/1997WO1997040938A1 Process and device to treat and modify ion exchange material, and to improve the environmentally-friendly nature of ion exchange processes
11/06/1997CA2251892A1 Electrolytic process and apparatus for controlled oxidation/reduction in aqueous solutions
10/1997
10/30/1997DE19713977A1 Electrodialysis process for removing ionic impurities from water
10/29/1997EP0803474A2 Electrodeionization apparatus and process for purifying a liquid
10/28/1997US5681477 Variations in temperature
10/28/1997US5681475 Water purification composition, kit and method employing the same
10/28/1997US5681438 Membrane module assembly
10/21/1997US5680055 Method and apparatus to sense changes in the state of a resin bed
10/21/1997US5679482 Fuel cell incorporating novel ion-conducting membrane
10/21/1997US5679281 Gelled material compositions with modified halopolymer
10/21/1997US5679229 Electrodialysis including filled cell electrodialysis (electrodeionization)
10/21/1997US5679228 Removing silica from water by increasing ph, passing through diluting compartments of electrodialysis stack containing ion exchange granules, passing direct current through stack, recovering effluent
10/16/1997DE19614704A1 Sieve base for the dispersal of gases or liquids
10/01/1997CN2263650Y Alternate fluid discharging and charging device
09/1997
09/25/1997WO1997034832A1 Water treatment device with drinking water filter, regeneration device and process for treatment of drinking water
09/25/1997WO1997034696A1 Method and apparatus for producing deionized water
09/24/1997EP0796227A1 Method and device for producing demineralised sterile aqueous phases
09/24/1997EP0593612B1 Polymeric sheet
09/24/1997CN1160362A Process for reducing concentration of multivalent cations in aqueous solutions
09/18/1997DE19610172A1 Wasseraufbereitungsgerät mit Trinkwasserfilter, Regeneriervorrichtung und Verfahren zum Aufbereiten von Trinkwasser Water treatment device with drinking water filters, regenerating and method for producing drinking water
09/17/1997EP0705368B1 Reduction of openness of materials
09/17/1997CN1159427A Single unit prepositioned ion exchange iron-removing and mixing bed dual-purpose equipment
09/10/1997EP0794443A2 Process for fabrication of integrated optical elements by ion exchange with grating mask for planar optical waveguide
09/10/1997CN1159177A Water treatment process
09/09/1997US5665239 Processes for deionization and demineralization of fluids
09/04/1997WO1997031864A1 Anion-exchange resins with at least two different nitrogen containing ion-exchange groups
09/03/1997EP0792896A2 Process for separating lye from condensation resins
08/1997
08/27/1997CN1157800A Thermally-driven ion-exchange process for lithium recovery
08/26/1997US5660709 Electrochemical process and device for the production of metallic hydroxides and/or metallic-oxide hydroxides
08/19/1997US5658459 Dual velocity strainer
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