| Patents for B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor (2,835) |
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| 12/03/2002 | US6488859 Separation and removal of iron iii ions from sulfuric acid containing metal ii ions, especially cobalt, copper and manganese; optional subsequent reduction to iron ii ions |
| 11/27/2002 | CN1381299A Reversal valve for adsorptive separation procedure |
| 11/14/2002 | WO2002047819A3 Method for purifying ion-exchanger synthetic resins |
| 11/14/2002 | US20020166817 Ion exchange media regeneration method for fluid treatment |
| 11/14/2002 | US20020166772 Maintenance of an electrolyte |
| 11/12/2002 | US6479159 Polymeric membranes functionalized with EGTA ligands |
| 11/06/2002 | EP1177027A4 Water softener tank |
| 11/05/2002 | US6475390 Process for the purification of nutrients from food process streams |
| 10/31/2002 | WO2002085481A2 Polymeric membranes functionalized with egta ligands |
| 10/30/2002 | EP1252855A2 Control system for a water softener device, in particular for household appliances |
| 10/30/2002 | EP1252102A1 Fluorine removal by ion exchange |
| 10/30/2002 | EP1251920A1 Method and apparatus for metal removal by ion exchange |
| 10/30/2002 | CN1376639A Dual-chamber 'fluidized bed in whole chamber' process for desalination |
| 10/29/2002 | US6471867 Electro-regenerating type apparatus for producing deionized water |
| 10/24/2002 | WO2002084230A1 Automatic salt level monitor for a water softening device |
| 10/24/2002 | CA2444183A1 Automatic salt level monitor for a water softening device |
| 10/17/2002 | US20020150652 Chromatographic fractionation of vegetable material |
| 10/17/2002 | US20020149489 Automatic salt level monitor for a water softening device |
| 10/16/2002 | CN1374333A Process for recovering polymer containing fluorine |
| 10/15/2002 | CA2081226C Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide |
| 10/10/2002 | WO2002079097A1 Method and apparatus for separating ions from a fluid |
| 10/10/2002 | WO2002079087A1 Recovery of ammonium nitrogen from wastewater |
| 10/10/2002 | US20020147315 Method for removing endotoxin from the samples containing basic protein |
| 10/01/2002 | US6458272 Molded brine tank |
| 09/26/2002 | WO2002053252A3 A method for mixed mode adsorption and mixed mode adsorbents |
| 09/25/2002 | EP1243673A1 Servicing of an electrolyte |
| 09/25/2002 | EP1242638A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 09/25/2002 | CN1371305A Method and installation for eliminating metal cations from liquid with polyazacloalkane resins grafted on support |
| 09/24/2002 | US6456202 System for monitoring the status of a water softener |
| 09/19/2002 | US20020132866 Using critical temperature, pressure carbon dioxide and cationic surfactant |
| 09/18/2002 | EP1240107A1 Method for recovering fluorinated emulsifiers |
| 09/12/2002 | US20020128335 Process for recovering fluoropolymers |
| 09/12/2002 | US20020125195 High efficiency ion exchange system for removing arsenic from water |
| 09/11/2002 | EP1239002A1 Process for recovering fluoropolymers from fluorine-containing ion exchange membrane |
| 09/11/2002 | EP0745062B1 Desorption process and apparatus |
| 09/10/2002 | US6448299 Forming tetrachloroferrate anions from ferric chloride and hydrochloric acid which displace target anions; washing with dilute hydrochloric acid to decompose tetrachloroferrate and elute resulting ferric ions |
| 09/10/2002 | US6447678 Automatic cleaning of through turbulence and abrasion; rotatable valve plate allowing service, backwash, flush, off and/or bypass operational modes |
| 09/06/2002 | WO2002068452A2 Method of isolating charged compounds, especially peptides and proteins |
| 09/06/2002 | WO2002068116A1 Method for regenerating adsorbent |
| 09/06/2002 | CA2439455A1 Method for regenerating adsorbent |
| 09/05/2002 | US20020121479 Method and apparatus for treatment of drinking water |
| 09/05/2002 | DE10133570C1 Purification of water, especially ground water, contaminated with lead alkyls, especially lead methyl and lead ethyl, comprises passing water through organic cation exchanger |
| 09/04/2002 | EP1235749A1 A method for anion-exchange adsorption and thioether anion-exchangers |
| 09/04/2002 | EP1235748A2 A method for anion-exchange adsorption and anion-exchangers |
| 09/04/2002 | CN1367716A Selective separation of iron by treatment with lon-exchanging resin comprising diphosphonic acid groups |
| 09/03/2002 | US6444127 Water conditioning unit control valve |
| 08/29/2002 | US20020117431 Cylindrical electrolytic cell that permits the production of two distinct and electrically opposite streams electrolytically activated, low concentration saline solutions; treating biofilm |
| 08/27/2002 | US6440381 Continuous production of silica via ion exchange |
| 08/22/2002 | WO2002005959A3 Adsorption method and ligands |
| 08/20/2002 | US6437010 Device and method for the regeneration of mixed ion exchange resin beds |
| 08/20/2002 | US6436294 Water treatment with solution containing citric acid, sodium hydroxide, and sodium azide; said solution capable of forming a complex with metal ions (sodium, potassium, and/or magnesium) for pollution control |
| 08/20/2002 | US6436244 Steam distilling to remove volatile impurities; debonding pure perfluoro alkyl carboxylate or sulfonate from anion exchange resin as free acid, alkali metal salt or ammonium salt in water and organic solvent |
| 08/15/2002 | US20020108909 A self-regenerating water softener, wherein an ion exchange resin, after being depleted through use in water softening, is automatically regenerated by simple act by user of turning water on for purpose of use and turning off after use |
| 08/14/2002 | EP1084097B1 Method for recovering fluorinated alkanoic acids from waste waters |
| 08/08/2002 | US20020104802 System and methods for regeneration of mixed bed demineralizers |
| 08/07/2002 | EP1227866A1 Process for the fractionation of sugar beet pulp |
| 08/01/2002 | US20020100729 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis |
| 07/31/2002 | EP1225979A1 Water softening method and apparatus for use therewith |
| 07/25/2002 | WO2002040405A3 Treatment of nickel-containing waste water on phosphating |
| 07/24/2002 | EP1224026A1 Process for the purification of wash water from the production of aromatic acids |
| 07/18/2002 | US20020092769 Electrodeionization system |
| 07/18/2002 | DE10200537A1 Regelvorrichtung zur Salzdosierung für einen Wasserenthärter und Verfahren zur Regenerierung eines Wasserenthärters Control device for salt dosage for a water softener and process for regenerating a water softener |
| 07/11/2002 | WO2002053288A2 A method for the manufacture of compositions containing low concentrations of salts |
| 07/11/2002 | WO2002053252A2 A method for mixed mode adsorption and mixed mode adsorbents |
| 07/11/2002 | US20020088755 Treating a colored sugar juice with a monodisperse anion exchanger and decolorizing the sugar juice |
| 07/11/2002 | CA2431662A1 A method for the manufacture of compositions containing low concentrations of salts |
| 07/09/2002 | US6416670 Removing hydrocarbons from alkanolamine sweetening solution used to absorb acid gases; by passing water through resin bed at 100 f to 250 f and a pressure of 5 psi to about 150 psi |
| 07/09/2002 | US6416645 Electrolytic process and apparatus for the controlled regeneration of modified ion exchangers to purify aqueous solutions |
| 07/04/2002 | US20020084226 Pair of ion-exchange water softener tanks to supply softened water to the water system, capable of regeneration by flushing with a regeneration solution to replenish depleted ions; preventing system failure due to salt crystallization |
| 07/04/2002 | DE10062056A1 Verfahren zur Reinigung von Ionenaustauscher-Kunststoffharzen A method for purifying ion exchange resins, plastic |
| 07/03/2002 | EP1218104A1 Method and installation for eliminating metal cations from a liquid with polyazacycloalkane resins grafted on a support |
| 07/03/2002 | EP1218079A1 Chromatographic fractionation of vegetable material |
| 06/20/2002 | WO2002048047A2 High efficiency ion exchange system for removing contaminants from water |
| 06/20/2002 | WO2002047819A2 Method for purifying ion-exchanger synthetic resins |
| 06/18/2002 | US6407143 Treating with solution of supercritical carbon dioxide containg quaternary ammonium salt cationic surfactant; ion exchanging perchlorate sites on resin with chloride |
| 06/11/2002 | US6402916 Applying electrical potentials |
| 06/06/2002 | WO2002043863A2 Fractional regeneration of a weakly acidic ion exchanger loaded with bivalent metallic ions |
| 06/06/2002 | CA2429002A1 Fractional regeneration of a weakly acidic ion exchanger loaded with bivalent metallic ions |
| 05/29/2002 | DE10056628A1 Fraktionierte Regenerierung eines mit zweiwertigen Metallionen beladenen schwach sauren Ionenaustauschers Fractional regeneration of a laden with divalent metal ions weakly acidic ion exchanger |
| 05/29/2002 | DE10056193A1 Zuckersaftentfärbung mittels monodisperser Anionenaustauscher Sugar juice using monodisperse anion exchanger |
| 05/23/2002 | WO2002040406A1 Process and apparatus for removal and destruction of dissolved nitrate. |
| 05/23/2002 | WO2002040405A2 Treatment of nickel-containing waste water on phosphating |
| 05/23/2002 | CA2429156A1 Treatment of nickel-containing waste water on phosphating |
| 05/21/2002 | US6391178 Electrodeionization system |
| 05/16/2002 | WO2002038254A1 Method and apparatus for treatment of drinking water |
| 05/16/2002 | US20020058715 Contacting alkali regenerating agent with both strongly acidic cation exchange resin and basic anion exchange resin, and contactingacid regenerating agent with strongly acidic cation exchange resin for regenerating ion exchange resins |
| 05/15/2002 | EP1205560A2 Sugar juice colour removal using monodispersed anion exchangers |
| 05/15/2002 | EP1204364A2 Household appliance using water, namely a washing machine, with improved device for softening the water |
| 05/14/2002 | US6387243 Contactors cationic exchange resin with solvent; circulationdirect current |
| 05/10/2002 | WO2002000551A3 A process and apparatus for brine purification |
| 05/02/2002 | WO2002034675A1 Process for recovering onium hydroxides from solutions containing onium compounds |
| 05/02/2002 | EP1199973A1 Household appliance using water, namely a washing machine, with improved device for softening the water |
| 05/01/2002 | CN1347336A Water softener tank |
| 04/30/2002 | US6379630 For supporting salt above a portion of a concentrated brine solution in a brine tank for use in a water softening system |
| 04/30/2002 | US6379556 Recovery of iodide from chemical process wastewater |
| 04/30/2002 | CA2055206C Method of mixed-bed filtration and demineralization with ion-exchange resins |
| 04/25/2002 | DE10051422A1 Process for adjusting water hardness in water hardening plant and/or process water cycle comprises acquiring actual degree of water hardness at fixed measuring point |
| 04/24/2002 | CN1083294C Method of reducing the influence of the regeneration of ion exchange resin to the section of evaporating caproltam |
| 04/18/2002 | WO2002030570A1 Fluid treating device |
| 04/18/2002 | CA2423005A1 Fluid treating device |