Patents for B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor (2,835)
03/1999
03/09/1999US5879559 Valve controller for water conditioning system
03/04/1999DE19838688A1 Water softener for e.g. dishwashers has electrical conductivity sensors
02/1999
02/25/1999DE19736499A1 Purifying and de-coloring plant for hydrophilic solutions especially raw sugar solutions
02/17/1999CN1042098C Treatment device for liquid
02/11/1999DE19752111C1 Water softener process and assembly
02/04/1999WO1999004904A1 Method for minimizing wastewater discharge
02/04/1999WO1999004903A1 Process for the purification of nutrients from food process streams
01/1999
01/19/1999CA2156100C Control mechanism for a water conditioning system
01/12/1999US5858119 Introducing ion exchange resin, cleaning chemicals and water to vessel, drawing off carrier medium without resin, forming recirculating stream of resin and carrier, injecting carrier medium to agitate beads and remove contaminants
01/12/1999CA2090757C Programmable water treatment controller for progressive flow systems
01/07/1999EP0888190A1 Device and method for the regeneration of mixed ion exchange resin beds
12/1998
12/30/1998WO1998059081A1 Separating metal ions absorbed on a resin and installation for recycling photographic effluents including an exchanger and an electrolysis vessel
12/30/1998WO1998058737A1 Process for regenerating ion exchange resin
12/30/1998EP0823866A4 Process for separating multivalent metal ions from autodeposition compositions
12/23/1998WO1998057892A1 Water treatment process
12/22/1998US5851944 Process for performing a swing bed regeneration operation with minimal downstream upsets
12/22/1998US5851372 Process for demineralizing a liquid containing organic matter and salts in solution
12/02/1998EP0760805A4 Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes
11/1998
11/26/1998WO1998052690A1 Controlling recharging of water conditioning apparatus
11/25/1998EP0879085A1 Method and apparatus for minimizing wastewater discharge
11/19/1998WO1998051621A1 Electrochemical treatment of ion exchange material
11/10/1998US5835865 Reducing the amount of radioactive contaminated resin that must be stored by forming anionic complexes from non-radioactive cations, flushing them out, destroying via oxidation to carbon dioxide; reuse until capacity is reached
11/10/1998US5833844 Thermally-driven ion-exchange process for lithium recovery
10/1998
10/29/1998DE19717451A1 Industrial waste water treatment process and assembly
10/15/1998WO1998045852A1 Regenerative lomi decontamination process
10/08/1998WO1998043738A1 Apparatus and method for ammonia removal from waste streams
09/1998
09/29/1998US5814224 Method for complex processing of sea-water
09/23/1998EP0769191B1 Method and device for the disposal of a cation exchanger
09/17/1998WO1998040145A1 Electrochemically regenerated ion neutralization and concentration devices and systems
09/17/1998WO1998032513A3 Method for separating bi-213 from a solution of radionuclides
09/08/1998US5805654 Regenerative LOMI decontamination process
09/02/1998EP0810904B1 Amine heat stable salt removal from type ii anion exchange resin
09/02/1998CN2289783Y Nagative pressure recoil type resin requet organ
08/1998
08/13/1998DE19704805A1 Dish washer water softener
08/12/1998CN1039486C Synergistic catalyst for regeneration maintenance of hard water softening apparatus
08/04/1998US5788933 Support in an ion exchange water softener formed of acrylonitrile-butadiene-styrene terpolymer
08/04/1998US5788864 Ion exchanging with alkali metal hydroxide
08/04/1998US5788826 Electrochemically assisted ion exchange
07/1998
07/30/1998WO1998032525A1 Electrochemically assisted ion exchange
07/30/1998WO1998032513A2 Method for separating bi-213 from a solution of radionuclides
07/29/1998EP0855164A1 Compact water softening device for electrical domestic machine
07/22/1998CN1188023A Rejuvenation of spent acid catalyst resins
07/07/1998US5777165 Process for preparing amides of N-alkyl polyhydroxyalkyl amines
07/07/1998US5776340 Apparatus for minimizing wastewater discharge
07/01/1998CN2285160Y Stainless steel delta-winded filter-cap
06/1998
06/30/1998US5772891 Water treating method for treating waste water by using ion exchange resin
06/24/1998CN2284780Y Double-velocity triangular wire-coiling filtering cap
06/23/1998CA2016562C Elution process for gold-iodine complex from ion-exchange resins
06/17/1998CN1184712A Method for treating resin using sulfuric acid as regenerating agent
06/16/1998US5766442 Electrode regeneration
06/10/1998CN1184005A Electrical ion exchange resin regenerating method and equipment
06/02/1998US5759405 Electrolysis and elution
06/02/1998US5759373 Porous ion exchanger and method for producing deionized water
05/1998
05/27/1998CN1038482C Process for reclaiming ion-exchange resin used in preparing pure water
05/20/1998DE19750346A1 Scale removal unit for use in conjunction with electrical appliances
05/20/1998CN1182379A Process for separating multivalent metal ions from autodeposition compositions
05/13/1998EP0840805A1 Process for regeneration of ion-exchange resins used for sugar decolorization
05/12/1998US5751598 Water softening apparatus with microprocessor control
05/06/1998EP0781255A4 Water treatment process
05/05/1998US5749042 Bismuth generator method
04/1998
04/28/1998CA2123799C Method for controlling the regeneration of a water treatment system
04/14/1998US5738775 Core-sheath structure ion exchange nonwoven fabric substrate for desalting compartment; desalting water, production of pure water in electrical power, including nuclear power, generating industries
04/08/1998EP0675761B1 Method and installation for treating an aqueous solution by ion exchange
04/07/1998US5736052 Ion exchange resin particle separation system
04/01/1998EP0831970A1 Process for preparing amides of n-alkyl polyhydroxyalkyl amines comprising a process for regenerating a strong base ion exchange resin
03/1998
03/25/1998EP0830339A1 Process for preparing amides of n-alkyl polyhydroxyalkyl amines
03/18/1998EP0615556B1 Purifying aqueous solutions of amine-n-oxides
02/1998
02/18/1998EP0823866A1 Process for separating multivalent metal ions from autodeposition compositions
02/17/1998US5718828 Method for minimizing wastewater discharge
02/11/1998EP0822922A1 Water softening apparatus with microprocessor control
02/05/1998WO1998004350A1 Process for controlling the regeneration of a water treatment device and water treatment device using said process
02/05/1998WO1998004349A1 Water treatment device
02/05/1998WO1998004344A1 An enzymatic method for removing contaminants from ion exchange and fractionation resin
02/05/1998CA2261820A1 Process for controlling the regeneration of a water treatment device and water treatment device using said process
02/05/1998CA2261621A1 Water treatment device
01/1998
01/27/1998CA2116277C Salt block release agents
01/13/1998US5707514 Water treating method and apparatus treating waste water by using ion exchange resin
01/08/1998DE19726499A1 Verfahren zur Entfernung von restlichem Wasser aus einem Behälter, der ein Ionenaustauscherharz enthält und Vorrichtung zum Ausführen des Verfahrens A process for removing residual water from a container which contains an ion exchange resin and apparatus for carrying out the method
01/07/1998EP0814908A1 Apparatus for purification of liquids
12/1997
12/31/1997WO1997049492A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions
12/31/1997CA2254881A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions
12/24/1997WO1997048490A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method
12/24/1997CN1168352A Special regeneration agent for boiler water treatment
12/24/1997CA2251807A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method
12/16/1997US5699272 Water softening system with self adjusting rinse cycle
12/10/1997EP0810904A1 Amine heat stable salt removal from type ii anion exchange resin
11/1997
11/06/1997WO1997040938A1 Process and device to treat and modify ion exchange material, and to improve the environmentally-friendly nature of ion exchange processes
10/1997
10/28/1997US5681477 Variations in temperature
10/22/1997EP0802360A2 Rotary flow control valve
10/22/1997EP0801981A1 New regenerant agent for water softeners
10/21/1997US5680055 Method and apparatus to sense changes in the state of a resin bed
10/01/1997EP0745062A4 Desorption process and apparatus
09/1997
09/17/1997CN1159428A Condensate refining treatment ion exchange resin regeneration system and equipment
09/10/1997CN1159177A Water treatment process
08/1997
08/28/1997WO1997030943A1 Water softening apparatus with microprocessor control
08/28/1997WO1997030940A1 Water softening system with self adjusting rinse cycle
08/28/1997WO1997030788A1 Device and method for the regeneration of mixed ion exchange resin beds
08/27/1997CN1157800A Thermally-driven ion-exchange process for lithium recovery
08/19/1997US5658459 Dual velocity strainer
08/13/1997EP0614446B1 Production of alkali metal carbonates
1 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29