Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635)
10/1992
10/29/1992DE4113860A1 Device for cleaning liquids e.g. water for making tea - has filter cartridge with tapered lower part and with outlet filter surface extending into walls to prevent blockages
10/28/1992CN2119958U Double current mixed-bed ion-exchanger
10/27/1992USRE34112 Using mixed bed ion exchanged resin
10/27/1992CA1309219C Electrodialysis membranes comprising sulfonated constituents
10/13/1992US5154809 Process for purifying water
10/06/1992US5152896 Use of grafted cellulose for purifying water
09/1992
09/29/1992US5151192 Removal of protein
09/22/1992CA1307632C Forming membrane structure by applying protein suspension to carrier
09/16/1992EP0503651A1 Electrically regenerable demineralizing apparatus
09/16/1992EP0503589A1 Electrodialysis reversal process and apparatus with bipolar membranes
09/16/1992EP0299971B1 Electrodialysis membranes comprising sulfonated constituents
09/09/1992EP0502629A1 Process of removing from water suspended metal corrosion products insoluble or sparingly soluble in water
09/09/1992EP0502262A1 Ion exchange resin holder
09/09/1992CN1064228A Rotary ion exchanging device
09/08/1992US5145577 Pulsed column with basket lining
09/02/1992EP0501708A1 Method for the combined removal and destruction of nitrate ions
08/1992
08/26/1992CA2061723A1 Method for the combined removal and destruction of nitrate ions
08/21/1992CA2061250A1 Process of removing suspended metal corrosion products insoluble or sparingly soluble in water and condensate treating equipment
08/12/1992CN2112445U Water-filtering cap for connecting pipe
08/08/1992CA2060082A1 Condensate polishing system incorporating a membrane filter
08/05/1992EP0497632A1 Ion exchange apparatus and process
07/1992
07/29/1992EP0496710A1 Filter compound for the steam condensate from a thermoelectric, conventional or nuclear power station
07/29/1992CN1017599B Ion-exchang unit with a tube for input and output of resin
07/29/1992CN1017598B Treating apparatus and technology for sodiumion exchanging water without electric consuming
07/28/1992US5133846 Silver recovery device
07/21/1992US5132019 Method of removing corrosion products in a water circulation system
07/14/1992US5130026 Process and apparatus for removing ammonium from aqueous liquids
07/09/1992WO1992011089A1 Electrodeionization apparatus
07/08/1992EP0139002B1 Mobile fluid purification unit
07/08/1992CN1062514A Method of mixed-bed filtration and demineralization with ion-exchange resins
07/07/1992US5128014 Irradiation of cation exchange membranes
07/07/1992CA1304696C Ammonia separation using ion exchange polymeric membranes and sorbents
07/01/1992EP0483286A4 Method of removing ions
06/1992
06/30/1992US5126056 Deionization of water
06/30/1992US5126052 Condensate polishing system incorporating a membrane filter
06/24/1992EP0491533A2 A method of restoring contaminated solids using ion exchange powder contact
06/24/1992EP0491006A1 Causing liquid/solid interaction
06/23/1992US5124043 Multiple vertical enclosures; large contact area
06/18/1992CA2057703A1 Method of restoring contaminated solids using ion exchange powder contact
06/17/1992EP0477267A4 Process for removing ionizable impurities from non-aqueous fluids
06/16/1992US5122276 For removal of both entrained water and suspended solid particles from nonaqueous fluids
06/09/1992US5120416 Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack
06/03/1992EP0488665A1 Adsorbents for the removal of volatile substances from aqueous systems
06/03/1992EP0487643A1 Precoat septum with a continuous filament yarn.
05/1992
05/31/1992CA2056020A1 Adsorbents for the removal of volatile substances from aqueous systems
05/27/1992EP0487455A1 Process and apparatus for desalinization of aqueous liquids
05/27/1992EP0486934A2 Ion exchange fibers and method for manufacturing the same
05/26/1992US5116512 Adsorption of pinacolyl methylphosphonofluoridate with polydivinylbenzene
05/26/1992US5116511 Regeneration
05/26/1992US5116509 Oxidation of organics, continuous processing
05/13/1992EP0484984A1 Method of mixed-bed filtration and demineralization with ion-exchange resins
05/13/1992EP0484636A1 Process and apparatus for in-situ decontamination of heavy metal charged ground water
05/06/1992EP0483738A1 Apparatus and process for water conditioning
05/06/1992EP0483286A1 Method of removing ions
05/05/1992US5110479 Water purification systems
04/1992
04/28/1992US5109028 Cation exchange fibers
04/22/1992CN2102155U Ion-exchanging treating device
04/21/1992US5106501 Multi-function filter cartridge with flow distribution control
04/16/1992WO1992005872A1 Filtration and liquid/solid interaction
04/16/1992WO1992005871A1 Process for ion exchange in aqueous solutions by means of ion exchange resins and installation for implementing the process
04/15/1992EP0480395A1 Apparatus for separating and purifying material
04/11/1992WO1992006918A1 Purification of hydrogen peroxide
04/11/1992CA2093791A1 Purification of hydrogen peroxide
04/09/1992DE4031526A1 Verfahren zum ionenaustausch an waessrigen loesungen mittels ionenaustauschharzen, sowie anlage zur durchfuehrung des verfahrens A method of ion exchange in aqueous solutions using ion exchange resins, and plant for carrying out the method
04/01/1992EP0477267A1 Process for removing ionizable impurities from non-aqueous fluids
03/1992
03/25/1992CN2099611U Double convective ion exchanger
03/24/1992US5098577 Agitation of composite particles in liquids, flotation and separation
03/19/1992WO1992004114A1 Apparatus for creating intensive contact between a liquid and a particulate solid
03/18/1992EP0475622A1 Process for removing radioactive burden from spent nuclear reactor decontamination solutions using electrochemical ion exchange
03/17/1992US5096548 dissolving ferrochrome in sulfuric acid, crystallization, filtration, precipitation of chromium hydroxide, electrolysis
03/11/1992CN1059321A Ion-exchange processing device and its method
03/04/1992EP0473557A1 Filter compound for the steam condensate from a thermoelectric, conventional or nuclear power station
03/04/1992EP0473087A2 Process for reducing the concentration in solution of a particular ion or a particular group of ions
02/1992
02/25/1992US5091080 Core enclosed by semipermeable membrane
02/20/1992DE4026154A1 Bipolar membrane for sepn. by electrodialysis - comprises anion- and cation-selective layers and intermediate ultra-thin layer of polyelectrolyte complex with excess acid or basic gps.
02/18/1992US5089123 Apparatus for continuous removal of materials from a liquid
02/12/1992EP0470662A1 Process for the fine purification of an aqueous sodium chloride solution for membrane electrolysis
02/11/1992US5087345 Cation exchange membrane having high stability
01/1992
01/21/1992US5082568 Method for removing low concentrations of metal contaminants from water
01/15/1992EP0466178A1 Method and device for removing heparin
01/14/1992US5081159 Mixture of anionic and cationic resins, controlling density of salt solution causing anionic resin to float
01/14/1992CA2046807A1 Method and device for removing heparin
01/10/1992WO1992000799A1 Substance carrying conglomerate
01/07/1992US5078842 Process for removing radioactive burden from spent nuclear reactor decontamination solutions using electrochemical ion exchange
01/02/1992DE4019900A1 Compact ion-exchange filter - in which acid flows upwards in reverse direction through anion unit and is converted to second acid suitable for regenerating cation unit
01/01/1992CN2091714U Tow-stage continuous ion exchanger with outer regeneration
12/1991
12/31/1991US5076912 Ion exchange device with chamber having indicator means
12/27/1991EP0462897A1 Pulsating column with packing in baskets
12/27/1991EP0462523A1 Apparatus and process for water treatment
12/22/1991CA2044912A1 Pulsed column with basket lining
12/04/1991EP0459657A1 Electrodes
12/04/1991EP0459642A1 Electrochemical ion exchange
12/03/1991US5069883 Device for continuous contacting of liquids and solids
12/03/1991CA1292815C Process for removal of fluoride and phosphorous type contaminants from acidic wastewater
11/1991
11/27/1991EP0458389A1 Method for separating organic substances
11/27/1991EP0458241A2 Process and apparatus for separating ammonium from aqueous liquids
11/27/1991CN1056512A Purification ( removal of metallic ion ), decolourization and enhancement in transparency for gelatin
11/27/1991CA2043263A1 Electrodes
11/27/1991CA2042751A1 Electrochemical ion exchange
11/26/1991CA2043019A1 Method for separating organic substances
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