| Patents for B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor (2,835) |
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| 07/02/1992 | DE4041287A1 Regenerating anion exchange resin loaded with complex contg. arsenic or antimony - by flushing at raised temp. with soln. of quat. ammonium or phosphonium cpd., withdrawing soln. at raised temp. and cooling |
| 06/30/1992 | US5126056 Deionization of water |
| 06/24/1992 | EP0491006A1 Causing liquid/solid interaction |
| 06/24/1992 | EP0324024B1 Process and device for regenerating ion-exchange material |
| 06/23/1992 | US5124362 Method for removing organic foulants from anion exchange resin |
| 06/20/1992 | CA2035186A1 Salt additive composition for inhibiting formation of yellow brine |
| 06/02/1992 | CA1302204C Time control device for water conditioning apparatus |
| 05/27/1992 | EP0487455A1 Process and apparatus for desalinization of aqueous liquids |
| 05/26/1992 | US5116491 Comprehensive water treatment system |
| 05/13/1992 | EP0484984A1 Method of mixed-bed filtration and demineralization with ion-exchange resins |
| 05/09/1992 | CA2049694A1 Regeneration of cationic exchange resins exposed to chlorate |
| 05/06/1992 | EP0483344A1 Method of removing and crystallizing cation resin adsorbed calcium and magnesium |
| 04/28/1992 | US5108616 Water treatment |
| 04/28/1992 | CA1299701C Regeneration sensing device |
| 04/22/1992 | CN2102155U Ion-exchanging treating device |
| 04/16/1992 | WO1992005871A1 Process for ion exchange in aqueous solutions by means of ion exchange resins and installation for implementing the process |
| 04/09/1992 | DE4031526A1 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 |
| 03/25/1992 | EP0477034A1 Low salt level sensor |
| 03/24/1992 | US5098230 Method for withdrawing a particulate solid from a packed, fluidized bed |
| 03/11/1992 | CN1059321A Ion-exchange processing device and its method |
| 03/10/1992 | US5094755 Regeneration of fixed bed |
| 02/18/1992 | US5089140 Comprehensive water treatment system |
| 01/28/1992 | US5084185 Purification of water to remove nitrates by ion exchanging fol lowed by regeneration |
| 01/21/1992 | US5082567 Regeneration of cationic exchange resins |
| 01/16/1992 | DE4022170A1 Ion exchange material regeneration appts. - with ancillary electrode for AC or pulsed DC superimposition |
| 01/14/1992 | US5081159 Mixture of anionic and cationic resins, controlling density of salt solution causing anionic resin to float |
| 01/02/1992 | DE4019900A1 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 |
| 12/27/1991 | EP0462523A1 Apparatus and process for water treatment |
| 12/17/1991 | US5073255 Water treatment apparatus |
| 12/03/1991 | US5069779 Water treatment system |
| 11/28/1991 | WO1991017831A1 Method of removing and crystallizing cation resin adsorbed calcium and magnesium |
| 11/28/1991 | DE4116278A1 Removal of nitrate(s) from drinking water using ion exchange - regeneration pipe connects anion and cation exchange units and regeneration liq. is produced by reverse osmosis |
| 11/28/1991 | DE4017024A1 External regeneration of mixed-bed ion-exchange filter - has intermediate layer to separate bed components in auxiliary vessel, one component returned to filter vessel |
| 11/21/1991 | DE4016000A1 Ion exchange appts. for treating liq. - esp. for metal recovery, with exchanger regeneration by electro-dialysis |
| 11/19/1991 | US5066371 Cycling through liquid treatment containers; countercurrent flow |
| 11/12/1991 | CA1291981C Scavengers for the removal of impurities from arsine and phosphine |
| 11/05/1991 | US5062957 Ion exchange, bacterial denitrification |
| 10/22/1991 | US5060167 Electronic programmable water treatment controller |
| 10/16/1991 | EP0452042A1 Ion exchange process |
| 10/15/1991 | US5058032 Apparatus and method for monitoring a water treatment system |
| 10/08/1991 | CA1290473C Hydration of sulfonated cation exchange resins |
| 09/24/1991 | US5051128 Adsorption of a gold-iodine complex on an ion exchange resin, adding sulfuric acid and sodium nitrite and adding sodium sulf ite |
| 09/18/1991 | EP0447350A2 Comprehensive water treatment process |
| 09/18/1991 | EP0446213A1 Vertical reaction vessel |
| 09/16/1991 | CA2038358A1 Comprehensive water treatment system |
| 08/28/1991 | CN1054019A Method for fully separated mixed resin |
| 08/21/1991 | EP0442849A1 Method for utilisation and regeneration of anionic resins in reflux water systems in dyeworks and similar |
| 08/13/1991 | CA1287598C Electrolytic process for producing extremely low chloride anion exchange resins |
| 07/10/1991 | CA2007487A1 Process for regenerating sugar decolorizing ion exchange resins, with regenerant recovery |
| 06/11/1991 | US5022994 Disk for controlling the sequence of water softener regeneration cycle of an ion exchange resin tank |
| 06/05/1991 | EP0430432A2 Removal of heat stable anions from alkanolamine salts |
| 06/04/1991 | US5021216 Method of removing and crystallizing cation resin absorbed calcium and magnesium |
| 05/29/1991 | EP0429183A1 Regeneration of acidic cationic exchange resin used in the reactivation of spent alkanolamine |
| 05/29/1991 | DE3939071A1 Treating fresh water - by passage through anion exchanger loaded with carbonate ions |
| 05/28/1991 | US5019542 Passing sodium chloride through resin; circulation |
| 05/16/1991 | DE3937201A1 Washing ion-exchange resins with demineralised water - injected directly into original suppliers transport container |
| 05/08/1991 | CN2076443U Ion exchanger capable of regenerating and cleaning resin in situ |
| 05/07/1991 | US5013449 Process for solute recovery utilizing recycle liquids having a stored concentration profile |
| 04/27/1991 | CA2028427A1 Regeneration of acidic cationic exchange resin used in the reactivation of spent alkanolamine |
| 04/27/1991 | CA2027435A1 Removal of heat stable anions from alkanolamine salts |
| 04/24/1991 | WO1991005740A1 Apparatus and method for monitoring a water treatment system |
| 04/24/1991 | EP0423923A1 Water treatment apparatus |
| 04/24/1991 | CA2071841A1 Apparatus and method for monitoring a water treatment system |
| 04/18/1991 | WO1991004792A1 Vertical reaction vessel |
| 04/09/1991 | US5006258 Regeneration of acidic cationic exchange resin used in the reactivation of spent alkanolamine |
| 04/06/1991 | WO1991004791A1 Causing liquid/solid interaction |
| 04/06/1991 | CA2067380A1 Causing liquid/solid interaction |
| 04/06/1991 | CA2024430A1 Water treatment apparatus |
| 02/12/1991 | US4992208 Stabilization of solid sodium chloride against mushing in an aqueous medium |
| 02/05/1991 | US4990245 Sequence controller system for regenerating water treatment units |
| 01/30/1991 | CN1011403B Method for regeneration of ion exchanging resin by co2 |
| 01/29/1991 | US4988737 Process for regenerating ion exchange resins loaded with naphthenic and other organic acids |
| 01/22/1991 | US4987409 Level sensor and alarm |
| 11/28/1990 | EP0399809A1 Process for solute recovery utilizing recycle liquids having a stored concentration profile |
| 11/28/1990 | CN1047269A Reclaiming system for ion exchange resin and products thereof |
| 11/26/1990 | CA2017538A1 Process for solute recovery utilizing recycle liquids having a stored concentration profile |
| 10/18/1990 | WO1990011674A1 A process for removing selenium from wastewater effluent |
| 09/19/1990 | CN1045360A Process for reclaiming ion-exchange resin used in preparing pure water |
| 09/04/1990 | CA1273721A1 Water conditioner backflush device |
| 08/09/1990 | DE3903343A1 Process for waste water purification by ion exchanger resins |
| 05/23/1990 | EP0369831A1 Process for the chemical treatment of regeneration effluents of ion exchange resins from sugar decoloration solutions, and their regenerative use |
| 05/23/1990 | CN1042319A Method for boron reduction in high-concentrated brine by resin |
| 04/24/1990 | US4919314 Time control device for water conditioning apparatus |
| 04/17/1990 | US4917794 Regeneration sensing device |
| 04/10/1990 | US4915928 Process for removing selenium from wastewater effluent |
| 04/03/1990 | US4913803 Particle separation system |
| 03/22/1990 | DE3831811A1 Process and apparatus for controlling the regeneration of water softening units |
| 03/06/1990 | US4906361 Apparatus for treating fluids |
| 02/28/1990 | EP0355966A1 An improved method of ion exchange and apparatus for carrying out said method |
| 02/22/1990 | DE3826857A1 Drinking water filter unit |
| 02/14/1990 | CN1039569A Regeneration process of ion exchange resin by co2 desalting partially |
| 01/16/1990 | US4894168 Process for the removal of cations of an alkaline earth metal species from aqueous solutions with an ion exchanger material |
| 01/16/1990 | US4894167 Regeneration |
| 01/02/1990 | US4891138 On basis of specific gravities |
| 12/27/1989 | EP0347577A1 Process for treating ion-exchanging masses, particularly for regenerating them after the softening and desalting of aqueous solutions |
| 12/27/1989 | CN1006204B Device for continuous contacting of fluids and solids |
| 12/26/1989 | US4889623 Brining system |
| 11/14/1989 | US4880513 Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins |
| 11/02/1989 | DE3912612A1 Verfahren und vorrichtung fuer die intensive gegenstromkontaktierung von teilchenfoermigen feststoffmaterialien mit einer kleinen fluessigkeitsmenge Method and apparatus for the intensive gegenstromkontaktierung of particulate solid materials with a small fluessigkeitsmenge |
| 10/18/1989 | EP0337050A1 Process and apparatus for the partial or total demineralisation of water |