Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635)
10/1994
10/26/1994EP0621072A2 Demineralization apparatus comprising a diluting chamber packed with a cloth
10/18/1994US5356572 Melt spinnign sheath of polybutadiene and core of polypropylene (or copolymers0, sulfonation
10/11/1994US5354476 Method of treating water
10/11/1994US5354460 Fluid transfer system with uniform fluid distributor
09/1994
09/27/1994US5350714 Point-of-use purification
09/15/1994DE4312580C1 Small water treatment unit based on ion exchanger with the facility for regeneration and thermal disinfection
09/14/1994EP0614401A1 Method for controlling the regeneration of a water treatment system
09/14/1994CN2176825Y Ion exchanger with single septum to part anions and cation
09/14/1994CN1092000A Control system of ion exchange column group
09/13/1994US5346624 Method and apparatus for treatment of aqueous solutions
09/07/1994EP0613453A1 Process for the removal of sodium values from sodium contaminated solids
08/1994
08/24/1994EP0611595A1 Process for water desalinization
08/17/1994EP0611066A1 Continuous separation and purification of materials
08/17/1994EP0595993A4 Isolation of charged particles from fluids
08/09/1994US5336704 Process for insolubilizing absorbed metal ions
08/02/1994US5334451 Continuous filament yarn precoat septum
08/02/1994CA1331254C Ion-exchange composition employing resin attachment to dispersant and method for forming the same
07/1994
07/27/1994EP0607998A2 Chromatographic adsorbent particles, methods of their preparation, and their use as a solid phase matrix in a fluid bed reactor
07/27/1994EP0607185A1 Particle-loaded nonwoven fibrous article for separations and purifications
07/27/1994CN2172676Y Air cushion type counter-current regenerated ion exchanger
07/20/1994CN2172156Y Self-top-pressure reversing flow regenerating ion exchanger
07/20/1994CN2172155Y High effect resin trap
07/13/1994EP0605826A1 Adsorption/reaction equipment
07/12/1994US5328758 Particle-loaded nonwoven fibrous article for separations and purifications
07/12/1994CA1330672C Method for varying the capacity of an ion exchanger for a specific chemical element
07/07/1994WO1994014538A1 Method and installation for treating an aqueous solution by ion exchange
07/06/1994CN2170943Y Ion exchanger
06/1994
06/28/1994US5324752 Ion-exchange composition employing resin attachment to dispersant and method for forming the same
06/23/1994DE4236509A1 Prevention of infection and stabilising of ion exchange bed
06/22/1994EP0251469B1 Method for converting substances
06/14/1994CA1330241C Method of and apparatus for controlling ph and electric conductivity of water using ion exchange resin
06/01/1994EP0599003A1 Apparatus and process for regeneration of an ion-exchange installation
06/01/1994DE4306426A1 Regeneration of resin in ion-exchange plant
05/1994
05/31/1994US5316637 Electrodeionization apparatus
05/25/1994EP0598249A1 Process and apparatus for desalination of aqueous solutions with ion exchange masses
05/25/1994CN1087027A Treatment device
05/24/1994US5314922 Ion exchange fibers and method for manufacturing the same
05/18/1994EP0597062A1 Device for removing undesirable substances from a fluid
05/11/1994WO1994009904A1 Method and device for treatment and disposal of spent ion-exchange resin
05/11/1994EP0595993A1 Isolation of charged particles from fluids
05/11/1994CN1086495A Fluid-bed water-treating apparatus for desalting
05/03/1994US5308876 Cation exchange resins
05/03/1994US5308467 Electrically regenerable demineralizing apparatus
05/03/1994US5308466 Electrodeionization apparatus
04/1994
04/28/1994WO1994002417A3 Process for the removal of sodium values from sodium contaminated solids
04/27/1994EP0593612A1 Polymeric sheet.
04/26/1994US5306400 Method for the combined removal and destruction of nitrate ions
04/26/1994US5306399 Electrochemical exchange anions in decontamination solutions
04/21/1994CA2108854A1 Sludge collection and detoxification apparatus
04/20/1994EP0593213A1 An improved instrumentation and control scheme for implementing a boron isotopic enrichment process
04/20/1994CN2162290Y Automatic sodium ion exchanger with plane multifunction integrated valve
04/20/1994CN1085567A Fluorinated polymers
04/20/1994CN1085467A Stationary anion (cation) exchange cellulose column for industrial production
04/19/1994US5304309 Cyclic process for selective coagulant recovery from clarifier sludge
04/14/1994WO1994007602A1 Method for controlling the regeneration of a water treatment system
04/13/1994EP0592370A1 Process for conditioning ion-exchange resins
04/06/1994CN1024126C Method for boron reduction in high-concentrated brine by resin
03/1994
03/31/1994WO1994007274A1 Ion exchange membrane having increased efficiency in proton exchange processes
03/31/1994WO1994006548A1 Modules for electrodeionization apparatus
03/31/1994WO1994003503A3 Fluorinated polymers
03/31/1994CA2143211A1 Ion exchange membrane having increased efficiency in proton exchange processes
03/29/1994US5297683 Process and apparatus for processing resins
03/15/1994US5294652 Process for recovering silver from photographic chemical effluent
03/15/1994US5294305 Heating to dissolve oligomers; ion exchanging, distilling
03/12/1994CA2078031A1 Methods and apparatus for continuous removal of materials from a liquid
03/09/1994EP0585860A2 Process for restoring permeance of an oxygen-permeable ion transport membrane utilized to recover oxygen from an oxygen-containing gaseous mixture
03/08/1994US5292439 Flow through regenerated ion exchange resin containing copolymer of a poly- and and mono-vinyl compound as matrix
03/08/1994US5292422 Modules for electrodeionization apparatus
03/03/1994WO1994004271A1 Composite ion-exchange material, preparation and use thereof
03/02/1994EP0429661B1 Method of water treatment
03/02/1994CN1083025A Three-tower automatic inner pressure type fluidized bed for softening water
03/02/1994CA2104821A1 Process for restoring permeance of an oxygen-permeable ion transport membrane utilized to recover oxygen from an oxygen-containing gaseous mixture
02/1994
02/17/1994WO1994003503A2 Fluorinated polymers
02/17/1994WO1994003254A1 Treatment device
02/16/1994EP0582695A1 Fine purification of water and treatment of condensates in an ion-exchange system
02/16/1994CN1023792C Internal high speed cleaning apparatus
02/08/1994US5284981 For preparation of bisphenol polycarbonate intermediates
02/08/1994CA1326936C Cation exchange resins incorporating antioxidants
02/03/1994WO1994002418A1 A method of and an apparatus for purifying aqueous suspensions containing organic material and cations
02/03/1994WO1994002417A2 Process for the removal of sodium values from sodium contaminated solids
02/03/1994WO1994002240A1 Gelled material compositions with modified halopolymer
02/03/1994CA2132638A1 Process for the removal of sodium values from sodium contaminated solids
02/02/1994CN2154742Y Control system of ion exchange column group
01/1994
01/18/1994US5279744 Method for purification of an amino acid using ion exchange resin
01/13/1994DE4222109A1 Highly pure hydrogen peroxide prodn. for use in semiconductor technology - by removing inorganic impurities in distilled soln. with membrane of ion exchange resin particles in desensitising polymer matrix
01/11/1994US5277931 Composite ion-exchange material, preparation and use thereof
01/11/1994US5277915 Gel-in-matrix containing a fractured hydrogel
01/11/1994US5277822 Purification by anionic ion exchange resin
01/06/1994WO1994000237A1 Ion exchange resin
01/06/1994CA2138760A1 Ion exchange resin
12/1993
12/21/1993US5271837 Drinking water filtration system
12/09/1993WO1993024217A1 Unit for treating liquid
12/07/1993CA1324877C Vertical reaction vessel
11/1993
11/23/1993US5265135 Instrumentation and control scheme for implementing a boron isotopic enrichment process
11/23/1993US5264093 Irradiation of cation exchange membranes to increse current efficiency and reduce power consumption
11/16/1993US5262024 Using microwaves ultrasonic energy, electromagnetic waves to remove radioactive materials adsorved to the soil
11/11/1993WO1993022021A1 Device for removing undesirable substances from a fluid
11/11/1993DE4214951A1 Charging and regenerating coarse ion exchanger granules in cage - which is permeable for liquids and fines, used e.g. for efficient prodn. of potassium sulphate from gypsum with min. loss
11/11/1993CA2110515A1 Device for removing undesirable substances from a fluid
11/09/1993US5259936 Purified ion exchange resins and process
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