Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01J - Chemical or physical processes, e.g. catalysis, colloid chemistry; Their relevant apparatus › B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor
Patents for B01J 49 - Regeneration or reactivation of ion-exchangers; Apparatus therefor (2,835)
09/2003
09/02/2003US6613235 Method of detecting sample ions by continuous electrochemical regeneration of a stationary phase
08/2003
08/28/2003WO2003070361A1 Low boron desalted water production
08/27/2003EP1337472A1 Process and apparatus for removal and destruction of dissolved nitrate.
08/27/2003EP1337471A2 Treatment of nickel-containing waste water on phosphating
08/27/2003EP1337470A1 Process for recovering onium hydroxides from solutions containing onium compounds
08/27/2003EP1337335A2 Fractional regeneration of a weakly acidic ion exchanger loaded with bivalent metallic ions
08/19/2003US6607651 Flushing solution
08/14/2003WO2003066186A2 Integration of at least two processes to re-use acid
08/14/2003US20030152502 Method and apparatus for separating ions of metallic elements in aqueous solution
08/14/2003US20030150814 Treatment of alkali metal-containing solution of the alkoxylate with a cationic exchanger in order to obtain a alkali metal-free solution of the alkoxylate, and removing the solvent
08/14/2003US20030150810 Water purification system and water purification method
08/13/2003EP1333924A1 Fluid treating device
08/13/2003CN1117634C Method and apparatus for minimizing waste water discharge
08/05/2003CA2418202A1 Point-of-use water softener
07/2003
07/31/2003WO2003062478A1 Method for the separation of zinc and a second metal which does not form an anionic complex in the presence of chloride ions
07/30/2003EP1331203A2 Method and apparatus for monitoring the status of a water softener
07/24/2003US20030136718 Ion exchange resin plant
07/23/2003EP1329261A1 Ion exchange resin plant
07/22/2003US6596159 Automatic regeneration valve for water softener
07/17/2003US20030132848 Method and system for anticipating salt depletion
07/17/2003US20030132164 Programmed ion exchange resin that receives hard water ions from hard water and releases them during regeneration
07/09/2003EP1240107B1 Method for recovering fluorinated emulsifiers
07/09/2003CN1113697C Regenerating agent for sodium or ammonium ionic resin
07/08/2003US6589491 Salt platform
07/02/2003EP1323677A1 Method of separating anionic fluorochemical surfactant
07/02/2003EP1322943A1 A process and device for continuous ionic monitoring of aqueous solutions
07/02/2003CN1426967A Water softening device
06/2003
06/26/2003WO2003051494A2 Method and apparatus for separating ions of metallic elements in aqueous solution
06/26/2003US20030116492 Modular water softener system
06/26/2003CA2470738A1 Method and apparatus for separating ions of metallic elements in aqueous solution
06/25/2003EP1321433A1 Water softener
06/19/2003WO2003049859A1 A method of liquid purification using ion exchange resin being kept in a compacted state by means of elastic material
06/12/2003WO2003047754A1 Method for recovering activity of ion exchanger and agent for use in recovering activity of anion exchanger
06/11/2003CN1422809A Method for separating rhenium
06/05/2003WO2003046263A1 Method and device for regenerating ion exchanger, and electrolytic processing apparatus
06/04/2003EP1315926A2 Water softener valve
06/04/2003CN1110351C Electrochemically assisted ion exchange
05/2003
05/28/2003EP1313536A1 Method for separating multivalent metal ions
05/22/2003DE19934409C2 Verfahren zur Entfernung von Ammonium A process for the removal of ammonium
05/15/2003WO2003022432A8 Ion exchange resin with reduced content of adsorbed organic compounds and its preparation methods
05/15/2003US20030089666 Ethyleneglycol-bis-( beta -aminoethylether)-N,N,N,N'-tetra acetic acid (egta); removing, separating, and/or concentrating divalent metal ions in solution from other ions
05/15/2003US20030089202 Elution with a concentrated aqueous hydrochloric acid solution and an oxidizer; extend the life of ion exchangers; one step process
05/14/2003EP1310459A1 Process for recovering Rhenium
05/13/2003US6561387 Material transport system and apparatus for conveying water softener salt to a brine tank
05/09/2003CA2411345A1 Process for isolating rhenium
05/08/2003WO2003037794A1 Method for recovering lithium chloride from brine and installation for carrying out said method
05/06/2003US6558643 Method for ammonia removal from waste streams
05/06/2003US6558551 Electrochemically modifying the retention of a species on a chromatography material; detecting sample ions
05/01/2003WO2002043863A3 Fractional regeneration of a weakly acidic ion exchanger loaded with bivalent metallic ions
04/2003
04/17/2003WO2002026383A3 Systems and methods for regeneration of mixed bed demineralizers
04/16/2003EP1301279A2 Adsorption method and ligands
04/09/2003EP1299309A1 Improved electrodeionization system
04/09/2003EP1094884B1 Spent brine reclamation
04/03/2003US20030062296 Accessible well for brine tank
03/2003
03/27/2003US20030057161 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
03/26/2003CN1405095A Water-softening apparatus and regeneration control method
03/26/2003CN1103743C Water treatment method and apparatus for treating waste water by using ion exchange resin
03/25/2003CA2242010C Method for eluting antimony adsorbed on chelating resin
03/20/2003WO2003022432A1 Ion exchange resin with reduced content of adsorbed organic compounds and its preparation methods
03/20/2003US20030052060 Ion exchange resin is located within the regeneration tank for exchanging hardness ions in hard water with sodium or potassium ions
03/13/2003US20030050350 Treated ion exchange resin and method for treatment thereof
03/12/2003CN1401432A Method and apparatus for regenerating ion exchange resin by bipolar membrane hydrolytic dissociation
03/11/2003US6531050 Water purification process
03/06/2003WO2003019059A1 In-tank water conditioner valve
03/06/2003US20030044335 Using oxidizer
03/06/2003US20030041908 In-tank water conditioner valve
02/2003
02/26/2003EP1285017A1 Method for separating alkali metal ions from alkoxylates
02/26/2003EP1117466A4 Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same
02/26/2003CN2537701Y Low pressure plastic ion exchanger
02/20/2003WO2002085481A3 Polymeric membranes functionalized with egta ligands
02/18/2003US6521132 Ion exchange water softener and method
02/12/2003CN2535401Y Barrier-free fluidized filtering truncated cone of anion-cation resin separation for condensate precision treatment
02/05/2003EP1252102A4 Fluorine removal by ion exchange
01/2003
01/30/2003WO2003008339A1 Process
01/30/2003US20030023005 Method of preconditioning a resin for hydrogen peroxide purification, resin prepared therefrom and method of purifying hydrogen peroxide
01/29/2003EP1149051B1 Sludge-free treatment of copper cmp wastes
01/29/2003CN1393295A Environment protection method for recovering optical discs
01/23/2003WO2003006383A1 Method for purifying water
01/21/2003US6508940 Process for recovering onium hydroxides from solutions containing onium compounds
01/21/2003US6508939 Contacting alkali regenerating agent with both strongly acidic cation exchange resin and basic anion exchange resin, and contactingacid regenerating agent with strongly acidic cation exchange resin for regenerating ion exchange resins
01/15/2003EP1275335A1 System for controlling the hardness of the washing water in a washing machine and control method thereof
01/15/2003CN1390646A Composite regenerant for resin
01/09/2003WO2000072932A3 Water softener valve
01/08/2003EP1273414A1 Method for recycling compact disks
01/08/2003CN1389296A Weak-acid cation exchange resin preparation
01/03/2003WO2003000710A1 Alkyl- and/or alkenyloligoglycoside preparations having reduced magnesium salt concentrations
01/02/2003EP1270072A2 Detecting device of the resins state of a system for reducing the water hardness required for a user apparatus
01/01/2003CN1097485C Stepped resin separator
12/2002
12/26/2002US20020195403 Hardness is detected with lapse of time; brine analysis; ion exchanging
12/26/2002CA2391064A1 Water softening device and method for regeneration control thereof
12/25/2002CN1387498A Method for recovering fluorinated emulsifiers
12/19/2002US20020193453 Preparation of weak acid cation exchange resins
12/19/2002US20020189606 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
12/18/2002EP1266690A2 Preparation of weak acid cation exchange resins
12/17/2002US6495014 Electrodeionization substrate, and device for electrodeionization treatment
12/12/2002WO2002053288A3 A method for the manufacture of compositions containing low concentrations of salts
12/10/2002US6491964 Iron ammonium hydroxypolycarboxylic acid complex as anticaking additive; salt licks, water softener salt products; prevents caking at lower pressures (during transport and storage), but allows shaping at high pressures; iron ammonium citrate
12/05/2002US20020179533 Ion exchanging; adjusting concentration; nanofiltration
12/04/2002CN1382836A Maintenance method of electrolyte
12/04/2002CA2387552A1 Preparation of weak acid cation exchange resins
1 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ... 29