Patents
Patents for B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150)
05/1988
05/17/1988US4744900 Reverse osmosis membrane container
05/17/1988US4744220 Thermoelectric heating and/or cooling system using liquid for heat exchange
05/11/1988DE3637643A1 Method for the arsenic decontamination of aqueous solutions
05/10/1988US4743378 Rapid vapor transport through unwetted porous barriers
05/10/1988US4743372 Ultrafiltration membrane cartridge separation system
05/10/1988US4742870 Heat exchanger
05/04/1988EP0266204A2 Pressure dependent anisotropic transport membrane system
05/04/1988EP0266187A2 Production of hydroxylamine nitrate by dialysis
05/04/1988EP0266059A2 Production of hydroxylamine nitrate by dialysis
05/03/1988US4741832 Dialysis
05/03/1988US4741831 Process and composition for removal of metal ions from aqueous solutions
05/03/1988US4741823 Flow control manifold for cross-flow membrane system
05/03/1988EP0180599A4 High flux membrane.
05/03/1988CA1236047A1 Preparation of alkali metal silicates
04/1988
04/27/1988EP0264993A1 Process for selectively winning germanium and/or arsenic from aqueous solutions
04/27/1988EP0264931A2 A membrane for the separation of blood plasma components
04/27/1988EP0264695A2 Device and method for purifying blood
04/27/1988EP0264594A2 Device for the support of a metallic microfilter foil
04/27/1988CN87106982A Recovery of acid from wastewater containing acids and salts
04/26/1988US4740313 Method of filtering using a rotating and oscillating spinner
04/26/1988US4740309 Methods and apparatus for determining the rate of movement of a study substance through a membrane
04/26/1988US4740281 Recovery of acids from materials comprising acid and salt
04/26/1988CA1235621A1 Hollow fiber membrane type artificial lung and method for manufacture thereof
04/21/1988WO1988002652A1 Recovery of acids from materials comprising acid and salt
04/21/1988WO1988002651A1 Flushing of desalinating apparatus equipped with reverse osmotic membrane module, and apparatus therefor
04/20/1988EP0264113A1 Pervaporation of phenols
04/20/1988EP0263953A1 Process for the separation of rhodiumcomplexes from aqueous solutions
04/19/1988US4738781 System and process for processing used emulsion coolant
04/19/1988US4738764 Electrodialysis membranes comprising sulfonated constituents
04/14/1988DE3713973A1 Apparatus having a membrane module
04/14/1988DE3633523A1 Process for separating off ammonia from waste waters
04/13/1988EP0263791A2 Separation and purification of pigment and pigment intermediate suspensions using a membrane technique
04/12/1988US4737309 Quaternary mamonium salt complexing agents
04/12/1988US4737283 Process and apparatus for clarifying liquids
04/12/1988US4737260 Membrane stack unit for multi-chamber electrodialysis
04/12/1988US4737251 Net migration by use of longer time or higher voltage in one direction than other, polar macromolecules
04/12/1988US4737166 Separation of hydrogen sulfide and carbon dioxide from hydrogen, carbon monoxide and hydrocarbon gases; supported polymer
04/07/1988DE3641899C1 Electro-ultrafiltration method with continuously increasing filtration efficiency and stepwise establishment of maximum current strengths for analysing the nutrients or the pollutants in soils, composted waste, sewage sludge etc.
04/06/1988EP0262656A2 A membrane for the separation of blood plasma components
04/06/1988CN87103721A Various electrode devices of indoor damp-removing
04/05/1988US4735727 Dialysis equipment
04/05/1988US4735726 Plasmapheresis by reciprocatory pulsatile filtration
04/05/1988US4735722 Desalination of seawater or brackish water
04/05/1988US4735716 Quick-change filter cartridge and head therefor
04/05/1988US4735634 Pillared cobalt complexes for oxygen separation
04/05/1988US4735193 Separation of a monosaccharide with mixed matrix membranes
03/1988
03/31/1988DE3632350A1 Method for carrying out electro-ultrafiltration (EUF)
03/30/1988EP0261728A1 Manufacture of bundles of semi-permeable hollow fibres
03/29/1988US4734192 Multiwell membrane filtration apparatus
03/29/1988US4734112 Liquid membrane
03/22/1988US4732673 For pressurized water nuclear reactor primary fluid
03/15/1988US4731181 Apparatus for membrane separation
03/10/1988WO1988001529A1 Cleaning of hollow fibre filters
03/09/1988EP0259109A2 Permeable membranes having high flux-density and low fouling propensity and processes including their use
03/09/1988EP0258884A1 Method for separating and concentrating an organic component from an aqueous solution containing same
03/08/1988US4729833 Proous membrane
03/08/1988US4729829 Hollow fiber plasmapheresis module
03/08/1988CA1233754A1 Ultrafiltration of a nuclear reactor's pressurized cooling water
03/03/1988EP0203084A4 Adaptive filter concentrate flow control system and method.
03/02/1988EP0257877A1 Liquid treatment apparatus
03/01/1988US4728496 Through dialyzer
03/01/1988US4728431 Pervaporation method for separating liquids in mixture
03/01/1988US4728429 Membrane permeation process for dehydration of organic liquid mixtures using sulfonated ion-exchange polyalkene membranes
03/01/1988US4728397 Apparatus for desalinating salt water by membrane distillation
02/1988
02/25/1988WO1988001193A1 Blood cell washing systems and methods
02/24/1988EP0256576A1 A continuous process for the production of dichlorohydrin
02/24/1988EP0256105A1 Filter, in particular for a paint recycling installation
02/23/1988US4726938 Liquid/liquid extraction/purification of impure solutions of rare earth values
02/23/1988US4726381 For equilibrating dialyzable components for analysis for adding components
02/23/1988CA1233128A1 Control for use with reverse osmotic treatment system
02/18/1988DE3626498A1 Method for preventing the formation of secondary membranes in ultrafiltration, especially of milk
02/17/1988CN86104888A Concentration of solids in suspension
02/16/1988US4724900 Apparatus for effecting mass and/or heat transfer
02/15/1988EP0239624A4 Field-inversion gel electrophoresis.
02/10/1988EP0255756A2 Method for producing high purity quaternary ammonium hydroxides
02/10/1988EP0255747A1 Process for separating a fluid feed mixture hydrocarbon oil and an organic solvent
02/10/1988EP0255669A1 Process and installation for the dip-coating of objects with liquid coatings and subsequent rinsing using an ultrafiltrate
02/09/1988US4724080 Warming the wine above a temperature threshold that produces a definite increase in filter performance
02/09/1988US4724079 Ion exchange adsorption, filtration, reverse osmosis, closed holding system
02/03/1988EP0254758A1 Pervaporation process and membrane
01/1988
01/27/1988EP0254359A1 Process for separating a fluid mixture containing hydrocarbons and an organic solvent
01/27/1988EP0254303A2 Dehydration method and dehydration system
01/26/1988CA1231985A1 Selective extraction solvent recovery using regenerated cellulose membrane under reverse osmosis conditions
01/26/1988CA1231914A1 System for diaphragm distillation
01/21/1988DE3622848A1 Apparatus for membrane filtration
01/20/1988EP0253749A1 Continuous electrophoresis separation process and electro-osmosis of electrically charged pulverized solids
01/20/1988EP0253287A1 Combined membrane and sorption process for selective ion removal
01/20/1988EP0181656B1 Apparatus for separating liquid mixtures by pervaporation
01/20/1988CN87104231A Ultrafiltration apparatus
01/20/1988CN87102881A Method for removal of monovalent ions from znso4 electrolyte by electrodialysis
01/14/1988DE3716364A1 Pressure-equalisation valve
01/14/1988DE3716363A1 Method for the continuous filtration of a liquid and a device for carrying out the method
01/12/1988US4719016 Reduced pressure on one side of solution diffusion membrane causes evaporation; condensation and recirculation
01/12/1988US4718985 System for diaphragm distillation
01/07/1988EP0251691A2 Effluent treatment
01/07/1988EP0251620A2 Spiral wound membrane filtration device and filtration method using such device
01/07/1988EP0251511A1 Bipolar membranes and method of making same
01/07/1988EP0251495A1 Filter units having welded cellulose filters
01/07/1988EP0250666A1 Process for selective dialysis using polymeric affinity adsorbents and size selective membranes
01/05/1988US4717480 Method for separation of liquid mixture