| Patents for B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor (2,835) |
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| 06/10/2004 | US20040108270 Raw material fluid flow; membrane filtration ; ion exchange resin; membrane filtration; water pollution control |
| 06/09/2004 | CN1503900A Automatic salt level monitor for water softening device |
| 06/03/2004 | US20040104175 Controller and method for controlling regeneration of a water softener |
| 05/27/2004 | US20040099592 Fluid treating device |
| 05/26/2004 | EP1421312A1 In-tank water conditioner valve |
| 05/26/2004 | EP1420884A1 Ion exchange resin with reduced content of adsorbed organic compounds and its preparation methods |
| 05/19/2004 | CN1498193A Treatment of nickel-containing waste water on phosphating |
| 05/06/2004 | WO2004037421A1 Fluid deionization system |
| 04/29/2004 | US20040079702 Removal impurities from aqueous solution; adsorption, desorption |
| 04/28/2004 | CN1491749A Electric suction ionizing pure water regeneration ion exchange resin device |
| 04/27/2004 | US6726822 Electrodeionization process |
| 04/27/2004 | US6726817 Chlorinator controller |
| 04/15/2004 | US20040072332 Method for regenerating adsorbent |
| 04/15/2004 | US20040069707 Method of isolating a charged compound |
| 04/14/2004 | EP1406842A1 Process for the extraction of an organic heavy metal compound from an aqueous medium |
| 04/13/2004 | US6719905 Polymeric membranes functionalized with EGTA ligands, and process of separating ions |
| 04/06/2004 | US6716344 Liquid-solids circulating fluidized bed |
| 03/30/2004 | US6713611 Removing endotoxin from a basic protein; obtain solution containing basic protein, expose to detergent, expose to column, wash, elute basic protein from column |
| 03/24/2004 | EP1400494A2 Electrochemical treatment of ammonia in waste-water |
| 03/24/2004 | CN1483677A Novel technology of application of aluminium type mixing resin and products thereof |
| 03/18/2004 | WO2004022199A1 Control valve assembly |
| 03/18/2004 | US20040054017 Ions selected from zinc, nickel and manganese ions; treated with successive portions of phosphoric acid; product solution enriched with these ions obtained, which can be processed or recycled at low cost, for use in phosphating metal surfaces |
| 03/18/2004 | US20040050794 Method for separating multivalent metal ions |
| 03/18/2004 | US20040050785 Using ion exchange resin; adsorption; membrane filter; separation |
| 03/18/2004 | US20040050784 Method for the manufacture of compositions containing low concentrations of salts |
| 03/17/2004 | EP1397375A1 Alkyl- and/or alkenyloligoglycoside preparations having reduced magnesium salt concentrations |
| 03/17/2004 | CN1142030C Method for regeneration of ion-exchange resin |
| 03/16/2004 | US6706195 High efficiency ion exchange system for removing arsenic from water |
| 03/16/2004 | CA2096875C Water softener salt platform |
| 03/10/2004 | EP1242638B8 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 03/09/2004 | US6702943 Contacting liquid with matrix carrying ligands comprising a positively charged structure and hydrophobic structure, desorbing substance |
| 03/09/2004 | US6702876 Ion exchange scrubber |
| 03/09/2004 | CA2320502C Improved water softener salt formulation |
| 03/03/2004 | CN1140353C Method and apparatus for regenerating ion exchange resin by bipolar membrane hydrolytic dissociation |
| 03/03/2004 | CN1140352C Method and apparatus for eliminating metal cations from liquid with polyazacloalkane resins grafted on carrier |
| 02/26/2004 | US20040037765 Treating a nickel-bearing aqueous solution consisting of phosphating-bath overflow and/or of rinsing water after phosphating, phosphating being effected with an acidic aqueous phosphating solution that contains 3 to 50 g/l phosphate ions |
| 02/24/2004 | US6696966 Automatic salt level monitor for a water softening device |
| 02/24/2004 | US6696963 Method and system for anticipating salt depletion |
| 02/19/2004 | WO2002068452B1 Method of isolating charged compounds, especially peptides and proteins |
| 02/17/2004 | US6693139 Treated ion exchange resin and method for treatment thereof |
| 02/12/2004 | WO2003101617B1 Destruction of perchlorate in ferric chloride and hydrochloric acid solution with control of temperature, pressure and chemical reagents |
| 02/11/2004 | EP1387763A2 Polymeric membranes functionalized with egta ligands |
| 02/05/2004 | US20040020857 Method for mixed mode adsorption and mixed mode adsorbents |
| 02/05/2004 | DE10218193A1 Ion exchange cell for continuous electrochemical treatment with two modified ion exchange electrodes separated by an ion exchange membrane useful for removal of ions from aqueous and organic solutions, and especially for water softening |
| 02/04/2004 | EP1385790A2 High efficiency ion exchange system for removing contaminants from water |
| 02/04/2004 | CN1473068A Method and apparatus for treatment of drinking water |
| 01/22/2004 | WO2004007375A1 Method of treating condensate and apparatus |
| 01/21/2004 | EP1381833A1 Automatic salt level monitor for a water softening device |
| 01/21/2004 | CN1469845A Process for recovering onium hydroxides from solutions containing onium compounds |
| 01/20/2004 | CA2277926C Method for separating bi-213 from a solution of radionuclides |
| 01/15/2004 | US20040010156 Ion exchanging uisng aqueous solution using anionic polymer |
| 01/14/2004 | CN1134304C Method for recovering cation-exchange resin |
| 01/07/2004 | CN1133590C Dual-chamber 'fluidized bed in whole chamber' processfor desalination |
| 12/31/2003 | WO2003080834A3 Purification methods for oligonucleotides and their analogs |
| 12/30/2003 | US6669849 Water treatment process |
| 12/23/2003 | US6666971 Ion exchanging; adjusting concentration; nanofiltration |
| 12/16/2003 | US6663717 Hydrolysis of the sugar beet pulp, solids separation from the hydrolysate as well as fractionation and desalting of aqueous solution of hydrolysate thus obtained into desalted solution enrich in pectin and sugar/oligomers |
| 12/11/2003 | WO2003101617A1 Destruction of perchlorate in ferric chloride and hydrochloric acid solution with control of temperature, pressure and chemical reagents |
| 12/10/2003 | EP1368370A2 Method of isolating charged compounds, especially peptides and proteins |
| 12/09/2003 | US6660099 Chromatographic fractionation of vegetable material |
| 12/04/2003 | WO2002048047A3 High efficiency ion exchange system for removing contaminants from water |
| 12/04/2003 | US20030222031 Decompose perchlorate in a FeCl3/HCl aqueous solution such as would be used to regenerate an anion exchange resin used to remove perchlorate. The solution is mixed with a reducing agent, preferably an organic alcohol and/or ferrous chloride, |
| 12/03/2003 | EP1366817A2 System for generating a high purity eluant by electrolysis of water |
| 12/03/2003 | EP1366810A1 Method for regenerating adsorbent |
| 12/03/2003 | CN1459322A Ion exchange washing device |
| 11/26/2003 | EP1364698A1 Ion exchange scrubber |
| 11/26/2003 | CN1128678C Selective separation of iron by treatment with long-exchanging resin comprising diphosphonic acid group |
| 11/20/2003 | US20030215377 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 |
| 11/20/2003 | US20030213367 Ion exchange scrubber |
| 11/19/2003 | EP1242638B1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 11/18/2003 | US6649139 Process for producing a purified aqueous hydrogen peroxide solution |
| 11/13/2003 | US20030209496 Microporous filtration net; heat, acid and oxidation resistance; sintering silicon carbide grains in binder |
| 11/13/2003 | US20030209449 Flushing after electrodeposition; aeration with carbon dioxide; precipitation as carbonate |
| 11/13/2003 | US20030209439 Electrochemistry confining; chromatography |
| 11/11/2003 | US6644349 Reduces space requirements for system; minimizing leaks |
| 11/06/2003 | US20030206846 Fluorine removal by ion exchange |
| 11/04/2003 | US6642415 Method for recovering fluorinated emulsifiers |
| 10/29/2003 | CN1452513A Fluid treating device |
| 10/29/2003 | CN1125783C Water treatment process |
| 10/23/2003 | WO2003087460A1 Washing appliance water softener |
| 10/23/2003 | WO2003086629A1 Ion exchange regeneration and upw treatment system |
| 10/16/2003 | WO2003084880A1 Separation systems with charge mosaic membrane |
| 10/16/2003 | WO2002068452A3 Method of isolating charged compounds, especially peptides and proteins |
| 10/15/2003 | CN1449299A Method for separating multivalent metal ions |
| 10/09/2003 | WO2003082748A1 Process for regenerating ion-exchange resins |
| 10/09/2003 | US20030188999 Water softener |
| 10/08/2003 | EP1349640A1 Method and apparatus for treatment of drinking water |
| 10/02/2003 | WO2003080834A2 Purification methods for oligonucleotides and their analogs |
| 10/02/2003 | CA2479901A1 Purification methods for oligonucleotides and their analogs |
| 10/01/2003 | CN1446181A Method of separating anionic fluorochemical surfactant |
| 09/30/2003 | CA2128485C Apparatus for providing a regenerant solution to a regenerable liquid treatment medium bed |
| 09/24/2003 | EP1345695A2 A method for mixed mode adsorption and mixed mode adsorbents |
| 09/24/2003 | EP1345694A2 A method for the manufacture of compositions containing low concentrations of salts |
| 09/24/2003 | CN1444729A Process and device for continuous ionic monitoring of aqueous solutions |
| 09/16/2003 | CA2159183C Resin regeneration process |
| 09/12/2003 | WO2003074430A1 Nitrate removal |
| 09/09/2003 | CA2212578C Amine heat stable salt removal from type ii anion exchange resin |
| 09/03/2003 | EP1194212B1 Process for the reclamation of spent alkanolamine solution |
| 09/03/2003 | EP0958056B1 Water treatment device |
| 09/02/2003 | US6613941 Method for recovering fluorinated alkanoic acids from waste waters |