Patents for B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor (2,835)
06/2000
06/06/2000US6071416 Poly N-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions
06/06/2000CA2188723C Thermally-driven ion-exchange process for lithium recovery
06/02/2000WO2000030750A2 Method for operating a water softening ion exchanger system with regenerative unit by measuring in situ the water hardness by means of an ion-selective sensory mechanism and arrangement for carrying out such a method
05/2000
05/24/2000EP1002582A1 Method of operating a ion exchanger
05/24/2000CN1253911A Regeneration method of effluent brine and its device
05/23/2000US6066257 Water treatment
05/09/2000US6059974 Water treatment process
05/09/2000US6059967 Distributor device for water conditioner backflush apparatus
05/04/2000DE19854651C1 Water softener regeneration monitoring process and assembly maximizes use of the regeneration agents and minimizes the use of water
05/03/2000EP0997194A2 Salt grid for water softening system brine tank
04/2000
04/28/2000CA2287102A1 Salt grid for water softening system brine tank
04/26/2000CN1051725C Fixed double-layer-bed ion exchange resin regenerating method and apparatus thereof
04/19/2000CN1250748A Regeneration of water treatment medium
04/12/2000EP0992459A2 Rotatable valve unit for water treatment device
04/12/2000EP0991786A1 Separating metal ions absorbed on a resin and installation for recycling photographic effluents including an exchanger and an electrolysis vessel
04/12/2000EP0977620A4 Electrochemically regenerated ion neutralization and concentration devices and systems
04/05/2000CN1249697A Electrochemically assisted ion exchange
04/04/2000US6046124 Process for performing a swing bed regeneration operation with minimal downstream upsets
03/2000
03/29/2000EP0988253A1 Electrochemical treatment of ion exchange material
03/28/2000US6042729 Regeneration of water treatment media
03/22/2000CN1247774A Method of reducing the influence of the regeneration of ion exchange resin to the section of evaporating caproltam
03/15/2000CN2368600Y Small size apparatus for resin cleaning and regenerating
03/14/2000US6037381 Transesterification with alcohols in presence of sodium-containing catalyst; hydroxylation, catalysis
03/08/2000EP0983117A1 Controlling recharging of water conditioning apparatus
03/02/2000WO2000010926A1 Device for water treatment, method for the regeneration of such device, as well as flow rate regulator which can be applied therewith
02/2000
02/24/2000WO2000009266A1 Device for water treatment
02/15/2000US6024850 Membranes or particles with permanently attached counter ions acting as semiconductor junctions
02/09/2000EP0977620A1 Electrochemically regenerated ion neutralization and concentration devices and systems
02/08/2000CA2077312C Condensate polisher regenerant system
02/02/2000EP0976437A2 Liquid treatment media regeneration apparatus and process
01/2000
01/27/2000WO2000003791A1 Spent brine reclamation
01/26/2000EP0974148A1 Regenerative lomi decontamination process
01/19/2000EP0971790A1 Apparatus and method for ammonia removal from waste streams
01/19/2000EP0822922A4 Water softening apparatus with microprocessor control
01/19/2000EP0758922B1 Process for the demineralization of a liquid containing dissolved organic substances and salts
01/13/2000WO2000001458A1 Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same
01/12/2000EP0969908A2 Method for separating bi-213 from a solution of radionuclides
01/05/2000CN1048032C Process for forming smooth organic emulsoid resin coating on metal surface and the ion exchange resin regeneration process used for said process
12/1999
12/29/1999EP0966914A2 Process and domestic appliance for water softening
12/29/1999EP0751826B1 Porous ion exchanger and method for producing deionized water
12/21/1999US6004464 Regeneration of brines used in water softeners
12/21/1999CA2079720C Process for monitoring and controlling an alkanolamine reaction process
12/16/1999DE19825981A1 Verfahren und wassführendes Haushaltsgerät zur Wasserenthärtung Procedures and wassführendes household appliance for water softening
12/09/1999WO1999062858A1 Method for recovering fluorinated alkanoic acids from waste waters
12/09/1999DE19824614A1 Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern Process for the recovery of fluorinated alkane acids from wastewater
12/09/1999CA2334105A1 Process for the recovery of fluorinated alkanoic acids from wastewater
11/1999
11/25/1999WO1999059923A1 Method and device for purification of wastewater
11/24/1999EP0958056A1 Water treatment device
11/24/1999EP0958055A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions
11/24/1999CN1235876A Stepped resin separator
11/23/1999US5989430 Adsorption of antimony cations from electrolyte solution onto anionic polymer ion exchange resin, desorption with acidic solution, neutralization of effluent to precipitate antimony hydroxide for recovery
11/10/1999CN1234296A Method for recovering cation-exchange resin
10/1999
10/27/1999EP0951936A1 Method for regenerating adsorbent and/or functionalized polymers
10/13/1999EP0888190B1 Device and method for the regeneration of mixed ion exchange resin beds
09/1999
09/30/1999WO1999048586A1 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water
09/30/1999CA2325987A1 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water
09/29/1999EP0945099A1 Improved device for preparing brine for use in an electric household appliance
09/21/1999US5955510 Process for the regeneration of ion exchange resins in a fixed double-bed type apparatus
09/21/1999US5954937 Efficient electrostatic purification of fluid flowing through serpentine channel formed between anode and cathode members
09/15/1999EP0941968A2 Modular control apparatus for a water treatment system
09/14/1999US5951874 Method for minimizing wastewater discharge
09/07/1999US5948264 Electrolyte circuits
09/06/1999CA2263844A1 Modular control apparatus for a water treatment system
08/1999
08/31/1999US5945170 Process for separating multivalent metal Ions from autodeposition compositions and process for regenerating ion exchange resins useful therewith
08/25/1999EP0614401B1 Method for controlling the regeneration of a water treatment system
08/25/1999CN1226844A Process for controlling regeneration of water treatment device and water treatment device using said process
08/25/1999CN1226843A Enzymatic method for removing contaminants from ion exchange and fractionation resin
08/24/1999CA2027275C Process and apparatus for treating ion exchange resin
08/12/1999WO1999040033A1 Ion exchange and regeneration process
08/11/1999EP0934775A1 Method and apparatus for using potassium chloride in a water softener
08/11/1999CN1225294A Method for reactivation of ion-exchange resin
08/10/1999US5935496 Compacting fine crystals in a roll type briquetting press or block press mold box
08/10/1999US5935443 Electrochemically regenerated ion neutralization and concentration devices and systems
08/03/1999US5932106 Process for regeneration of ion-exchange resins used for sugar decolorization, using chloride salts in a sucrose solution alkalinized with calcium hydroxide
07/1999
07/30/1999CA2238808A1 Method and apparatus for using potassium chloride in a water softener
07/28/1999EP0930940A1 Process for controlling the regeneration of a water treatment device and water treatment device using said process
07/22/1999WO1999036358A1 Continuous production of silica via ion exchange
07/21/1999EP0930272A2 Method for partial demineralization of water
07/15/1999CA2257450A1 Process for the partial desalination of water
07/14/1999EP0763199A4 Apparatus/method for electrochemically modifying chromatographic material
07/07/1999EP0927732A2 Method of producing polytetrahydrofuranehaving terminal hydroxyl groups using ion exchangers.
07/07/1999CN1222098A Method for removing residual water from container which contains ion exchanger resin,and device for carrying out said method
07/01/1999WO1999032675A1 A process for recovering zinc values as complex zinc cyanide solution and use of the same for stripping copper from loaded anion exchange material
07/01/1999DE4042633C2 Compact ion-exchange filter
06/1999
06/30/1999EP0925833A1 Process and device for brine production for a water softening installation
06/19/1999CA2225370A1 A process for recovering zinc values
06/16/1999EP0922677A2 Device for the regulation of the quantity of regeneration water supplied to ion-change resins preferably in machines for washing
06/10/1999WO1999028036A1 Method for optimising the operating cycle of a water treatment unit
06/03/1999WO1999026716A1 Hydraulic magnetically actuated seat valve, especially for motor vehicle braking systems
06/02/1999DE19750988A1 Apparatus to determine extent to which ion-exchange unit is exhausted
05/1999
05/27/1999DE19841568A1 Automatic regeneration of washing up machine water softener
05/19/1999EP0915734A1 An enzymatic method for removing contaminants from ion exchange and fractionation resin
05/19/1999CN2319114Y Water distribution appts.
05/12/1999EP0914859A1 Brine device
05/06/1999WO1998045852A9 Regenerative lomi decontamination process
05/05/1999CN1043214C Production of alkali metal carbonates
04/1999
04/13/1999US5893976 Method for treatment of water
04/07/1999EP0906156A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method
04/07/1999CN1213328A Method and apparatus for minimizing wastewater discharge
03/1999
03/10/1999EP0900765A2 Device for water softening
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