| Patents for B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor (2,835) |
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| 02/10/2005 | US20050029087 Regeneration of membrane; dissociation of solution; supplying electric charging; using amine or ammonium compound |
| 02/10/2005 | CA2531063A1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 02/09/2005 | EP0958055B1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions |
| 02/08/2005 | US6852230 Method for the manufacture of compositions containing low concentrations of salts |
| 02/03/2005 | WO2005009578A2 Method for the recovery of acids from hydrometallurgy process solutions |
| 01/27/2005 | WO2005007582A1 Automatic sensing of valid regeneration signal |
| 01/27/2005 | CA2531450A1 Automatic sensing of valid regeneration signal |
| 01/20/2005 | WO2005005323A1 System for reclaiming water softener brine waste |
| 01/19/2005 | EP1497491A1 Washing appliance water softener |
| 01/13/2005 | WO2002014850A9 A process and device for continuous ionic monitoring of aqueous solutions |
| 01/13/2005 | US20050006311 Automatic sensing of valid regeneration signal |
| 01/06/2005 | US20050000902 Intakes; discharging; rinse cycle; polymer bed with drain; reservoirs, compressor, controllers and accumulation pan |
| 01/04/2005 | US6838069 Using metal hydroxides and metal loaded media with regeneration with a weak acid; or using H2SO4 and ZnSO4 and metal loaded media with regeneration with H2SO4 and ZnSO4 |
| 01/04/2005 | CA2199497C Water treatment process |
| 12/29/2004 | EP1490488A2 Purification methods for oligonucleotides and their analogs |
| 12/29/2004 | EP1165443B1 Water purification process |
| 12/29/2004 | CN2666545Y Cation exchange column resin fast changing apparatus in water-vapour central monitoring system of power generation plant |
| 12/29/2004 | CN1558871A Method for recovering lithium chloride from brine and installation for carrying out said method |
| 12/23/2004 | US20040256324 Adsorption method and ligands |
| 12/22/2004 | EP1349640A4 Method and apparatus for treatment of drinking water |
| 12/22/2004 | EP1161291B1 Process for removing hydrocarbons from a liquid mixture with a regenerable filter |
| 12/16/2004 | US20040251207 Method and apparatus for deionizing water |
| 12/16/2004 | US20040251191 Method of liquid purification using ion exchange resin being kept in a compacted state by means of elastic material |
| 12/09/2004 | DE10297525T5 Verfahren zur Verjüngung eines Ionenaustauschers und Verjüngungsmittel für einen Anionenaustauscher Method for rejuvenating an ion exchanger and rejuvenator for an anion exchanger |
| 12/08/2004 | EP1199973B1 Household appliance using water, namely a washing machine, with improved device for softening the water |
| 12/08/2004 | CN1178865C Water purification process |
| 12/07/2004 | US6827858 Method for separating alkali metal ions from alkoxylates |
| 12/07/2004 | US6827856 Using chelating resins for removing copper; displacing absorbed copper by treating resins with hydrochloric acid or sulfuric acid solutions; waste from iodine recovery by copper mineralization of X-ray contrast agent production solutions |
| 12/02/2004 | WO2004103545A2 Regenerant reuse |
| 12/02/2004 | WO2004069369A3 Point-of-use water softener |
| 12/01/2004 | EP1481402A2 Method and apparatus for separating ions of metallic elements in aqueous solution |
| 12/01/2004 | EP1480913A1 Nitrate removal |
| 12/01/2004 | EP1315926A4 Water softener valve |
| 12/01/2004 | CN1177649C Fluid treating device |
| 11/30/2004 | US6823878 Ionic exchange resins, of the thermally regenerable type; in this way, a regular topping up of a regenerating medium is no longer required, since the softening efficiency of the resins is restored when required, by flushing them with hot water |
| 11/25/2004 | WO2004101443A1 Device for softening water |
| 11/25/2004 | WO2004101148A1 Ioxn-exchange process |
| 11/25/2004 | WO2004101147A1 Regeneration method for cation exchangers |
| 11/24/2004 | EP1337470A4 Process for recovering onium hydroxides from solutions containing onium compounds |
| 11/24/2004 | CN1176857C Water softening device |
| 11/18/2004 | WO2004098776A1 Method and apparatus for desorbing material |
| 11/18/2004 | US20040226890 Method for recovering ionic products |
| 11/18/2004 | CA2525274A1 Method and apparatus for desorbing material |
| 11/10/2004 | CN1174924C Method for recovering fluorinated emulsifiers |
| 11/09/2004 | US6814872 Relating the quantity of resin capacity to the value of total hardness to determine whether or not regeneration is needed |
| 11/04/2004 | WO2004094035A1 Water softener |
| 11/03/2004 | EP1194238B1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 10/28/2004 | US20040213718 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 10/27/2004 | EP1204364B1 Household appliance using water, namely a washing machine, with improved device for softening the water |
| 10/27/2004 | CN1541312A In-tank water conditioner valve |
| 10/27/2004 | CN1539751A Appts. of regerating ion exchange resin for demineralized water treatment device and control system thereof |
| 10/27/2004 | CN1172843C Method for producing purified aqueous hydrogen peroxide solution |
| 10/20/2004 | EP1468122A1 Method for the separation of zinc and a second metal which does not form an anionic complex in the presence of chloride ions |
| 10/20/2004 | CN2649175Y Ion-exchange resin device for cleaning iron intoxication |
| 10/20/2004 | CN1171776C Method for producing purified aqueous hydrogen peroxide solution |
| 10/14/2004 | WO2004087586A1 Process for treating concentrated salt solutions containing doc |
| 10/12/2004 | US6802970 Fluid treating device |
| 10/06/2004 | EP1465273A1 Fuel cell system |
| 10/06/2004 | CN1535204A Polymeric membranes functionalized with EGTA ligands |
| 10/05/2004 | US6800203 Catalytic destruction of perchlorate in ferric chloride and hydrochloric acid solution with control of temperature, pressure and chemical reagents |
| 09/30/2004 | US20040192879 removing acidic impurity from solution by contacting solution comprising a macrocyclic oligoester and an acidic impurity with a basic ion exchange resin; ion exchange resins can be regenerated and reused |
| 09/30/2004 | US20040191148 Forming hydrofluoric acid solution by contacting gas with water and passing through resin; regenerating column with ammonium hydroxide producing salt concentrate for disposal |
| 09/30/2004 | US20040188330 Apparatus and system for automatically ordering salt and monitoring the salt in a brine tank |
| 09/23/2004 | WO2004080900A1 Zero brine and rinse water removal of arsenic from water |
| 09/23/2004 | WO2003051494A3 Method and apparatus for separating ions of metallic elements in aqueous solution |
| 09/16/2004 | US20040178148 Absorbing arsenic from water with bed of ion exchange resin, regenerating bed with solution containing concentrated levels of noncontaminant ions present in feed water to displace arsenic, isolating arsenic from spent regenerant solution |
| 09/16/2004 | US20040178132 Liquid-solid circulating fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal |
| 09/14/2004 | US6790362 Efficiency mode for water softener |
| 09/09/2004 | US20040173471 nitrates concentrated by ion-exchange, electrodialysis and/or reverse osmosis; nitrates destroyed by electrolysis operation for nitrate destruction by electrochemical reduction |
| 09/08/2004 | CN1527744A Fractional regeneration of a weakly acidic ion exchanger loaded with bivalent metallic ions |
| 09/02/2004 | US20040170877 Equipped with a water treatment system, such as an ion exchange resin filter for a coolant water cycle or a pure water cycle; protected from performance degradation and damage by determining when an ion exchange resin filter needs replacement |
| 09/01/2004 | CN1164376C Environment protection method for recovering optical discs |
| 08/31/2004 | US6783684 Water softening apparatus and associated method for sensing depletion of salt in a brine tank |
| 08/31/2004 | US6783681 Use of an ion-exchange resin and a membrane filter in a single process tank. the ion-exchange resin is removed from the process tank and regenerated for reuse. |
| 08/31/2004 | US6783666 Water softening device and method for regeneration control thereof |
| 08/26/2004 | US20040164025 Method and apparatus for separating ions of metallic elements in aqueous solution |
| 08/26/2004 | DE19945024B4 Verfahren zur Regeneration eines Ionenaustauscherbetts A process for the regeneration of a ion exchange bed |
| 08/25/2004 | EP1448811A1 Method and device for regenerating ion exchanger, and electrolytic processing apparatus |
| 08/19/2004 | WO2004069369A2 Point-of-use water softener |
| 08/18/2004 | EP1447382A1 Method for measuring the efficiency of water-softeners and the like, as well as water-softener which carries out said method |
| 08/17/2004 | US6776913 Water softening method and apparatus for use therewith |
| 08/12/2004 | WO2004067449A1 Modular device and methods for copper exploitation from waste, flotation waste, mine waters and waste waters |
| 08/04/2004 | EP1067998A4 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water |
| 08/04/2004 | EP0988253B1 Electrochemical treatment of ion exchange material |
| 07/29/2004 | US20040144702 Controller for salt dosage for a water softener and method of regenerating a water softener |
| 07/28/2004 | CN1515497A Bleaching and dyeing textile softened water ion exchange equipment |
| 07/27/2004 | US6766812 Household appliance using water, namely, a washing machine, with improved device for reducing the water hardness |
| 07/22/2004 | US20040140266 Dispersing a magnetic ion-exchange resin in water containing dissolved organic carbon (DOC) to enable adsorption |
| 07/22/2004 | DE19942347B4 Elektrochemisch regenerierbarer Ionenaustauscher Electrochemical regenerable ion exchangers |
| 07/22/2004 | DE10056628B4 Fraktionierte Regenerierung eines mit Nickelionen beladenen schwach sauren Ionenaustauschers Fractional regeneration of a nickel-loaded ion weakly acidic ion exchanger |
| 07/15/2004 | WO2004058854A1 Purification of macrocyclic oligoesters |
| 07/15/2004 | US20040134796 Electrochemical treatment of ammonia in waste-water |
| 07/08/2004 | WO2004056712A1 Method and device for electrolytically removing and recovering metal ions from waste water |
| 07/08/2004 | US20040132840 Methods for preparation of weak acid cation exchange resin, weak acid cation exchange resin, and down stream products made using the resins |
| 07/08/2004 | US20040130851 Fluid deionization system |
| 07/07/2004 | CN1156655C Water softener valve |
| 06/23/2004 | EP1387763A4 Polymeric membranes functionalized with egta ligands |
| 06/17/2004 | US20040112761 Method and device for regenerating ion exchanger, and electrolytic processing apparatus |
| 06/16/2004 | CN1505545A Method for regenerating adsorbent |
| 06/15/2004 | US6749744 Device for regenerating an ion exchange cartridge |