| Patents for B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor (2,835) |
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| 03/02/1994 | EP0584875A1 Device for making brine |
| 03/02/1994 | CN1083025A Three-tower automatic inner pressure type fluidized bed for softening water |
| 02/17/1994 | WO1994003254A1 Treatment device |
| 02/17/1994 | DE4231628C1 Nitrogen elimination purificn. process by ion exchange adsorption of ammonium and ions, and an appts. - by intensive airing and washing with water in a separate nitrification reactor unit |
| 02/16/1994 | EP0582695A1 Fine purification of water and treatment of condensates in an ion-exchange system |
| 02/16/1994 | CN1081940A Process for separating multivalent metal ions from autodeposition compositions and process for regenerating chelating type ion exchange resinsuseful therewith |
| 02/03/1994 | WO1994002418A1 A method of and an apparatus for purifying aqueous suspensions containing organic material and cations |
| 02/03/1994 | WO1994002417A2 Process for the removal of sodium values from sodium contaminated solids |
| 02/03/1994 | CA2132638A1 Process for the removal of sodium values from sodium contaminated solids |
| 02/01/1994 | US5282960 Increasing oil in water interfacial tension by mixing with an ion exchange resin |
| 01/27/1994 | DE4239870C1 Conversion ion exchange plant for the recovery of metals from solns. - with compressed air diaphragm pump and pump stroke counter system |
| 01/12/1994 | EP0578347A1 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 01/07/1994 | CA2099815A1 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 12/28/1993 | US5273070 Water treatment apparatus |
| 12/23/1993 | DE4221013C1 Injector for regeneration of water treatment units, esp. ion exchange units - includes by=pass opening leading to water treatment medium without mixing with regeneration medium |
| 12/15/1993 | EP0573525A1 Method for removing and/or recovering mercury |
| 12/14/1993 | US5270018 Apparatus for withdrawing a particulate solid from a packed, non-fluidized bed |
| 12/14/1993 | US5269936 Process for treating ion exchange resin |
| 12/07/1993 | US5268155 Filtration; anionic exchange resin |
| 12/07/1993 | CA1324877C Vertical reaction vessel |
| 12/01/1993 | EP0571720A1 Water treatment plant |
| 11/24/1993 | EP0570872A1 Water softening device for domestic dishwashing machines |
| 11/09/1993 | US5259936 Purified ion exchange resins and process |
| 10/27/1993 | CN1077662A Method for regeneration of ion exchange resin by varying concentration |
| 10/20/1993 | EP0565876A1 A method of regenerating water softeners and a water softener |
| 10/19/1993 | US5254257 Reclaiming of spent brine |
| 10/06/1993 | CN1076916A Synergistic catalyst for regeneration maintenance of hard water softening apparatus |
| 09/30/1993 | WO1993018857A1 Process and device for the regeneration of a water softening resin |
| 09/29/1993 | CN2142834Y Double-flow ion-exchanger of regenerating on back flow |
| 09/22/1993 | EP0561555A1 Improved countercurrent regeneration process |
| 09/22/1993 | EP0561553A1 Improved counter-current process for the rapid regeneration of ion exchange materials in an unrestrained bed |
| 09/21/1993 | US5246591 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 09/19/1993 | CA2090626A1 Countercurrent regeneration process |
| 09/19/1993 | CA2090625A1 Counter-current process for the rapid regeneration of ion exchange materials in an unrestrained bed |
| 09/16/1993 | WO1993018096A1 Regenerating chelating type ion exchange resins |
| 09/16/1993 | DE4207646A1 Brine and water mixing chamber - contains float and mixt. outlet centrally between upper and lower inflow openings |
| 09/16/1993 | CA2117642A1 Regenerating chelating type ion exchange resins |
| 09/02/1993 | WO1993016959A1 Fine purification of water and treatment of condensates in an ion-exchange system |
| 08/24/1993 | US5239285 Low salt level sensor |
| 08/18/1993 | EP0555426A1 Programmable water treatment controller for progressive flow systems. |
| 08/17/1993 | US5236595 Method and apparatus for filtration with plural ultraviolet treatment stages |
| 08/11/1993 | CN2139934Y Programme controlled float bed sodium ion exchanger |
| 08/10/1993 | US5234601 Apparatus and method for controlling regeneration of a water treatment system |
| 08/03/1993 | US5232953 Method and apparatus for waste brine management in water conditioners |
| 07/28/1993 | CN2139020Y Internal regeneration positive and negative separating ion-exchanger |
| 07/14/1993 | EP0551002A1 Ion exchange resin columns, systems comprising such colums, and processes using such columns |
| 07/14/1993 | CN1074148A Ion exchange resin columns, systems comprising such columns, and processes using such columns |
| 07/11/1993 | CA2086636A1 Ion exchange resin columns, systems comprising such columns, and processes using such columns |
| 07/07/1993 | EP0550138A1 Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide |
| 07/01/1993 | DE4142697A1 Water softening device for dishwashers - includes a salt container in which collecting space is sepd. apart from salt receiving space |
| 06/30/1993 | CN1073662A Production of alkali metal carbonates |
| 06/10/1993 | WO1993011287A1 Purifying aqueous solutions of amine-n-oxides |
| 06/10/1993 | WO1993011071A1 Production of alkali metal carbonates |
| 06/10/1993 | CA2117294A1 Production of alkali metal carbonates |
| 05/27/1993 | WO1993010050A1 Method relating to the flushing of a purification plant |
| 05/26/1993 | CN1072393A Ion-exchange water softening process and equipment thereof |
| 05/19/1993 | DE4136852A1 Ion exchange vessel - has dividing walls to contain ion exchange resin in segments for fluid to be treated to flow in one direction and regenerating fluid flow in opposite direction |
| 05/18/1993 | US5212205 Ion exchange resins |
| 05/18/1993 | US5211823 Passing water flow over resin in multicompartment apparatus and applying electrical voltage |
| 05/06/1993 | DE4136280A1 Regeneration of exhausted water softener appts. in domestic dishwasher - comprises adding citric acid and/or sodium citrate to common salt |
| 05/06/1993 | DE4135637A1 Device for determining degree of exhaustion of filter esp. in drinks machines - in which display unit has three openings and two discs which can be moved to select hardness and rate of consumption and display filter renewal date |
| 04/29/1993 | WO1993007966A1 Rotary flow control valve |
| 04/29/1993 | DE4135304A1 Process to regenerate an ionic exchanger during gas washing with a solvent - used to remove sulphuric acid from process substances |
| 04/21/1993 | EP0537938A1 Process for monitoring and controlling an alkanolamine reaction process |
| 04/15/1993 | DE4131792C1 Ion exchanger regeneration for dishwasher softener - by removing water from ion exchanger, introducing brine into container, and regenerating in part of programme, for improved effect |
| 04/14/1993 | EP0164402B1 Recovery of organic acids, catalysts and water from terephthalic acid manufacture |
| 04/07/1993 | EP0535910A2 Method for improving the demulsibility of base oils |
| 04/06/1993 | US5200628 Method for distinguishing particles in fluid and apparatus for the same including plural sensors and weighting |
| 04/03/1993 | CA2078299A1 Method for improving the demulsibility of base oils |
| 03/31/1993 | CN2128898Y Liquor proportioning meter |
| 03/23/1993 | US5196122 Separation of anionic and cationic resins into layers by flowing backwashing fluid; detecting interface |
| 03/17/1993 | CN2128246Y Dual flow water filtering cap |
| 03/10/1993 | EP0530478A1 Method for treating a strongly basic anion exchange resin |
| 03/02/1993 | US5190659 Contamination removal system employing filtration and plural ultraviolet and chemical treatment steps and treatment mode controller |
| 02/09/1993 | US5185379 Method for regenerating water softener in a washing machine |
| 02/02/1993 | US5183565 Apparatus and process for treating water |
| 01/06/1993 | CN1067595A Intensifying regeneration of waste anion exchange resin (201x7) |
| 12/29/1992 | US5175438 Method of distinguishing particles in fluid and apparatus for the same using dual wavelength reflectivity ratio sensing |
| 12/27/1992 | WO1993000168A1 Programmable water treatment controller for progressive flow systems |
| 12/23/1992 | EP0519504A1 Process for purifying resins utilizing bipolar interface |
| 12/23/1992 | EP0519383A1 Purified amphoteric ion exchange resins and a process for their purification |
| 12/22/1992 | US5173179 Removal of contaminants and recovery of metals from waste solutions |
| 11/24/1992 | US5166220 Water softening process |
| 11/24/1992 | CA1310609C Method and apparatus for generating acid and base regenerants and theuse thereof to regenerate ion-exchange resins |
| 11/10/1992 | US5162084 Process for monitoring and controlling an alkanolamine reaction process |
| 11/10/1992 | US5162080 Rotary flow control valve |
| 10/27/1992 | US5157979 Helix drive for a piston |
| 10/15/1992 | DE4111479A1 Regeneration of ion exchangers for removing hardness of water - by treating with sodium chloride soln. then with chelating agent to remove alkaline earth metal ions |
| 09/17/1992 | WO1992015528A1 Method for removing and/or recovering mercury |
| 09/16/1992 | EP0503651A1 Electrically regenerable demineralizing apparatus |
| 09/15/1992 | US5147531 Salt level monitoring device for water softeners |
| 09/02/1992 | EP0501708A1 Method for the combined removal and destruction of nitrate ions |
| 08/26/1992 | CA2061723A1 Method for the combined removal and destruction of nitrate ions |
| 08/18/1992 | CA1306340C Stabilization of solid sodium chloride against mushing in an aqueous medium |
| 08/12/1992 | CN2112445U Water-filtering cap for connecting pipe |
| 08/05/1992 | EP0496957A1 Method for the regeneration of a water softener in a washing machine |
| 07/29/1992 | CN1017598B Treating apparatus and technology for sodiumion exchanging water without electric consuming |
| 07/21/1992 | US5132669 Level sensor with alarm |
| 07/09/1992 | WO1992011336A1 Salt additive composition for inhibiting formation of yellow brine |
| 07/08/1992 | CN1062514A Method of mixed-bed filtration and demineralization with ion-exchange resins |