Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01J - Chemical or physical processes, e.g. catalysis, colloid chemistry; Their relevant apparatus › B01J 47 - Ion-exchange processes in general; Apparatus therefor
Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635)
03/1999
03/18/1999WO1999012628A1 Resin filter cartridge
03/17/1999EP0836553A4 Composite particulate material and process for preparing same
03/17/1999CN1210848A Method and device for removing formic acid and acetic acid from water of glycol production
03/17/1999CN1210816A Detecting method of anion-cation resin trausport interface for fine treatment of condensed water
03/10/1999EP0900176A1 Electrolytic process and apparatus for controlled oxidation/reduction in aqueous solutions
03/10/1999CN1210476A Modular apparatus for demineralization of liquids
02/1999
02/25/1999WO1999008768A1 Filtration method and device for liquid purification
02/25/1999DE19736499A1 Purifying and de-coloring plant for hydrophilic solutions especially raw sugar solutions
02/17/1999CN1042098C Treatment device for liquid
02/11/1999WO1999006132A1 Adsorption or desorption of dissolved constituents in liquids and apparatus therefor
02/11/1999DE19752111C1 Water softener process and assembly
02/09/1999US5868915 Electrodeionization apparatus and method
02/03/1999CN2306072Y Special structure ion exchange column
02/02/1999US5866006 Coated single particles and their use in fluid bed chromatography
01/1999
01/28/1999WO1999003582A1 Electrochemical ion exchange using carbollide systems
01/27/1999EP0893160A1 Loaded ion-exchange resins, their preparation and uses
01/27/1999EP0892677A1 Electrodeionization apparatus and method
01/26/1999US5863438 Processes for deionization and demineralization of fluids
01/20/1999EP0891952A1 Apparatus for indicating the depletion of a purification medium
01/19/1999CA2243415A1 A device for indicating the depletion of a purifying agent
01/12/1999US5858191 Alternating layers of anion and cation exchange resins are positioned in an ion depleting compartment
01/12/1999CA2059758C Filter device
01/07/1999WO1999000331A1 Single orifice bottle water filter
01/07/1999WO1999000192A1 Fresh air filter
01/07/1999EP0888247A1 Water treatment device with drinking water filter, regeneration device and process for treatment of drinking water
01/07/1999DE19727295A1 Filter für Reinluft Filter for clean air
01/06/1999CN2302845Y Continuous flowing fludised-bed for prodn. of xylose
01/05/1999US5855790 Magnetic core overcoated with fibers in binder
12/1998
12/30/1998WO1998058727A1 Fluid purification devices and methods employing deionization followed by ionization followed by deionization
12/29/1998CA2095199C Process for removing oxidizable substance or reducible substance, composite containing metal oxide or hydroxide, and process for production thereof
12/17/1998WO1998056504A1 METHOD FOR THE DEIONIZATION OF SUBSTANCES THAT ARE NOT STABLE AT ACIDIC pH
12/17/1998DE19826702A1 Ion-exchange membrane for alcohol-based fuel cell
12/16/1998EP0883574A1 Anion-exchange resins with at least two different nitrogen containing ion-exchange groups
12/16/1998CN1041177C Control system of ion exchange column group
12/10/1998WO1998055219A1 Generating inorganic polymer electret in colloidal state
12/10/1998CA2293420A1 Generating inorganic polymer electret in colloidal state
12/09/1998EP0882508A2 Ion-exchange resins, their preparation and uses
12/09/1998CN1200960A Electric deionization pad material and apparatus thereof
12/03/1998WO1998054088A1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange with recirculation
12/03/1998WO1998054086A1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange in beds with defined h/d ratio
12/02/1998EP0830205A4 Water treatment tablet producing potable water
12/02/1998EP0760805A4 Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes
11/1998
11/19/1998WO1998051621A1 Electrochemical treatment of ion exchange material
11/19/1998WO1998051620A1 Purification of a liquid stream
11/10/1998US5833844 Thermally-driven ion-exchange process for lithium recovery
11/05/1998DE19717054A1 Water container with filter cartridge
11/04/1998EP0874689A1 Electrodeionization apparatus having geometric arrangement of ion exchange material
11/03/1998US5830921 For electrochemistry cells
11/03/1998US5830604 Polymeric sheet and electrochemical device using the same
11/03/1998US5830367 Method of using indicator means for liquid purification filter
11/03/1998US5830362 Cyclic polyethers with polythiophene or polypyrrole end groups
10/1998
10/29/1998DE19717451A1 Industrial waste water treatment process and assembly
10/21/1998EP0872278A1 Electrosorption membrane
10/15/1998WO1998045017A1 Recirculating bed adsorption/desorption method and system
10/14/1998EP0870533A1 Apparatus for producing deionized water
10/13/1998CA1340086C Organic polymeric material and ion-exchange membrane produced therefrom
10/10/1998CA2234185A1 Apparatus for producing deionized water
10/08/1998WO1998043718A1 Method for exchanging materials between two liquid phases
10/08/1998CA2285361A1 Method for exchanging materials between two liquid phases
09/1998
09/30/1998EP0867224A2 Method for producing deionized water
09/29/1998US5814197 Electrodialysis including filled cell electrodialysis (electrodeionization)
09/24/1998WO1998041674A1 Robust technetium removal method and system
09/23/1998EP0865816A2 Apparatus for producing deionized water
09/22/1998US5811012 Deionized water or high purity water producing method and apparatus
09/16/1998EP0655952B1 Composite ion-exchange material, preparation and use thereof
09/15/1998US5807488 Blow molded, one-piece; upright arrangement; photography waste treatment
09/09/1998EP0862942A2 Apparatus for producing deionized water
09/08/1998US5804057 Method of removing metal salts from solution by electrolysis an electrode closely associated with an ion exchange resin
09/02/1998EP0861460A1 Device and process for adjusting ion concentrations
09/02/1998EP0861114A1 Non-fouling, flow-through capacitor, system and method of separation
09/02/1998EP0647160B1 Ion exchange resin
09/02/1998CN2289601Y Ion-exchanger filter unit
08/1998
08/27/1998WO1998036831A1 Composite material based on zeolite and active carbon, preparation and use thereof in water treatment
08/27/1998WO1998036830A1 Composite material based on zeolite and active carbon, preparation and use thereof in water treatment
08/26/1998EP0758261B1 Chemically modified solid phase extraction particles and articles containing same
08/18/1998US5795471 Shower head having a water purifying function
08/06/1998WO1998033572A1 An adsorption/separation method and a medium for adsorption/separation
08/05/1998EP0643617B1 Unit for treating liquid
08/05/1998CN2287050Y 浮动床离子交换器 Floating bed ion exchanger
08/05/1998CN1189451A On-site manufacture of ultra-high-purity hydrogen peroxide
08/04/1998US5788826 Electrochemically assisted ion exchange
07/1998
07/30/1998WO1998032525A1 Electrochemically assisted ion exchange
07/28/1998US5785857 Mobile process for the recovery of spent heat transfer fluids
07/23/1998WO1998032011A1 Acid or base generator and method of use
07/22/1998EP0853972A2 Electrodeionization apparatus and module
07/22/1998CN1188444A Composite particulate material and process for preparing same
07/21/1998US5783608 Heat bonded fabics from sheath-core fibers exposed to ionizing radiation and grafted with polymerizable monomer
07/14/1998US5779891 Non-fouling flow through capacitor system
07/07/1998CA2018667C Preparation of i5- polyiodide disinfectant resins
07/01/1998CN2285159Y Double-chamber float ion exchanger
06/1998
06/30/1998US5772891 Water treating method for treating waste water by using ion exchange resin
06/25/1998WO1998026851A1 Biosorption system
06/24/1998EP0848993A2 Method for evaluating performance of chemical filter for cleaning gas
06/24/1998CN2284781Y Stainless triangular wire-coiling water intake device
06/23/1998US5770677 Process for the removal of alkali from condensation resins
06/23/1998US5770631 Production process of connected microgel particles and articles treated with connected microgel particles
06/23/1998US5770070 Elongated vertical chamber containing ion exchange resin(s) arranged between frit beds which maintain a fluid flow head above upper frit to keep resin wet for uniform extraction of wastes, i.e., radiolabelled dna
06/18/1998WO1998025682A1 Indicator means for liquid purification filter
06/16/1998US5766442 Electrode regeneration
06/16/1998CA2092837C Charge mosaic membrane and production process thereof
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