Patents
Patents for B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669)
05/1994
05/03/1994US5308506 Collection tube, separator element movable within tube, optical monitoring
05/03/1994US5308497 Using a sorbent of crosslinked phenolic resin and fibrous material containing cellulose and polyester
04/1994
04/28/1994WO1994009088A1 Separation of oils from solids
04/28/1994WO1994008902A1 Process for separating a hydrophobic liquid from a liquid contaminated therewith
04/28/1994WO1994008687A1 Enhanced yield platelet collection systems and methods
04/28/1994DE4235454A1 Emulsion and fluid mixt. separator - has wedge shaped zones to break material down into its components for separate removal
04/28/1994CA2147143A1 Process for separating a hydrophobic liquid contaminated therewith
04/28/1994CA2081485A1 Acoustical broom
04/27/1994EP0593434A1 Fuel filter.
04/26/1994CA1328826C Means for dewatering lubricating oils
04/21/1994DE4234582A1 Splitting emulsion by treatment with carbonate or bi-carbonate and carbon di:oxide - esp. for used coolant lubricants from metal working or wash water from degreasing
04/20/1994EP0593102A1 Liquid separator
04/19/1994US5304311 Absorption by an ethylene-alpha-olefin copolymer
04/19/1994US5304303 Apparatus and method for separation of immiscible fluids
04/19/1994CA1328652C Article and process for absorbing polluting products
04/19/1994CA1328629C Separator
04/12/1994US5302294 Separation system employing degassing separators and hydroglyclones
04/12/1994US5301749 Dual pump floating layer recovery apparatus
04/07/1994DE4331687A1 Filter insert unit
04/06/1994EP0590631A1 Alkylation catalyst regeneration
04/06/1994EP0590075A1 Process for recovering organics from liquid streams
04/05/1994US5300222 Water clarification method and apparatus
04/05/1994CA1328230C Versatile filtering apparatus
03/1994
03/31/1994WO1994006533A1 Inexpensive flow controller
03/31/1994DE4323570A1 Sepn. of light liq components, e.g. mineral oils, from contaminated liquids - has sedimentation chamber with coagulation device and second fine filter chamber provided with removable container for different filter materials.
03/31/1994DE4312725C1 Continuous gravity or centrifugal sepn of emulsion, esp oil sludge - involves passage through liq jet pump before sepn
03/30/1994EP0332641B1 Cyclone separator
03/29/1994US5298167 Using gravity separator, then cyclone separator
03/24/1994DE4231880A1 Vehicle washing station waste water cleaning assembly
03/24/1994DE4231790A1 Vehicle washing station waste water cleaning - has angled blades for water to flow upwards to separate floating matter
03/23/1994EP0588778A1 Installation for purification of wash water, especially in vehicle washing installations
03/23/1994EP0588035A2 Separator for with oil and fat polluted sewage
03/23/1994EP0587832A1 Method for testing blood units for viral contamination
03/22/1994US5296153 Method and apparatus for reducing the amount of formation water in oil recovered from an oil well
03/22/1994US5296150 Water oil separator
03/17/1994WO1994005867A1 Discharge device
03/17/1994WO1994005602A1 Liquid to liquid coalescing separator and method
03/17/1994WO1994005601A1 Immiscible liquids separator apparatus and method
03/17/1994WO1994005396A1 Conical coalescing filter
03/17/1994DE4230765A1 Recycling used oily emulsions, esp machine tool lubricants - by filtering emulsion, treating with flotation agent, electrolysing and removing floating oil and particles
03/17/1994CA2143284A1 Discharge device
03/17/1994CA2143123A1 Liquid to liquid coalescing separator and method
03/16/1994EP0586468A1 Treatment of emulsions
03/15/1994US5294352 Polymer alloy
03/15/1994US5294347 Dispersion polymers for ethylene quench water clarification
03/15/1994US5293887 Robotic tank cleaning system and method
03/10/1994DE4325745A1 Coalescence separator for separation of fine oil water mixtures
03/09/1994EP0586107A1 Method of removing water soluble organics from oil process water
03/09/1994EP0585689A1 Coalescence separator
03/09/1994EP0485524B1 Absorbent materials and use thereof
03/09/1994CN1083416A Alkylation catalystregeneration
03/08/1994US5292430 Oil spill recovery and storage ship
03/05/1994CA2105642A1 Coalescence separator
03/04/1994WO1993004759A1 Wastewater treatment process
03/03/1994WO1994004464A1 Method and device for the separation of a contaminated top layer
03/03/1994DE4228096A1 Sepn. of emulsified oil from bath waste water - uses activator and additive to float emulsified oil mixt. for removal and disposal with recycling of cleaned water.
03/02/1994EP0584760A1 Alkylation catalyst regeneration
03/02/1994EP0584708A1 Polyfunctional demulsifiers for crude oils
03/02/1994EP0584380A1 Separator for waste waters polluted with directly separable floating matters
03/02/1994EP0584305A1 Method for purifying a non-electrically conductive liquid
02/1994
02/23/1994EP0583247A1 High efficiency, anti-flush light liquid separator
02/23/1994EP0501998B1 Device for filtering contaminated liquids, in particular water
02/22/1994US5288391 Deoiling, solvent extraction, separation; biodegradable solids; fuels
02/17/1994WO1994003249A1 Material for extracting hydrophobic components dissolved in water
02/15/1994US5286383 Water-oil emulsion separator
02/15/1994US5286375 Oil recoery apparatus
02/10/1994DE4321023C1 Recovery of fats and oils with improved purity from emulsions or dispersion - comprises adding alkyl sulphate and then separating by known methods
02/09/1994EP0582314A2 Method and apparatus for separation by agglomeration
02/09/1994EP0582056A2 Device for purifying exhaust air
02/08/1994US5284635 Process for the elimination of hydrogen sulfide by using water-in-oil emulsions
02/08/1994US5284048 Liquid hydrocarbon skimmer systems and methods of monitoring leaks in hazardous liquid tanks
02/08/1994CA1326937C Method and apparatus for treating waste paint sludge
02/08/1994CA1326934C Hydrophobically functionalized cationic-polymers
02/02/1994EP0581213A1 Oil separation device
02/01/1994CA1326696C Apparatus and method for the separation and/or formation of immiscible liquid streams
01/1994
01/29/1994CA2080939A1 Fluid treatment process using dynamic microfiltration and ultrafiltration
01/27/1994DE4324770A1 Device for sepn. of liquids of different densities, esp. oil and water - comprising pipe divided radially into two chambers and contg. conveying screw whose pitch decreases from inlet to outlet end
01/27/1994DE4320980A1 Waste water cleaning assembly - has insert in concrete container to separate grease and oil from vehicle washing station waste water
01/27/1994DE4223832A1 Recovering contaminated machining lubricants and cooling liq.
01/26/1994EP0579682A1 Separator for at least two substances having different densities, at least one of which is a liquid
01/26/1994CN1081118A Method and apparatus for separation of toxic contaminants by nebulization
01/20/1994WO1994001368A1 Process and system for purifying waste water
01/20/1994DE4223503A1 Appts. for disposal of slurries contg. oil or other grease - comprises slurry press whose filtrate is segregated into oil, water and oil slurry phases
01/20/1994CA2139412A1 Process and system for purifying waste water
01/13/1994DE4320814A1 Gravity sepn. of oil from liq. mixt. - esp. oil-contaminated machining coolant
01/12/1994EP0578039A1 Method for the treatment of oil-in-water emulsions
01/12/1994EP0577948A2 Plant for separating floating and/or suspended matters from contaminated waste waters
01/12/1994EP0471720B1 Water repellent fabric containing an absorbing agent for collecting at the water surface non miscible fluid substances
01/11/1994US5277827 Oil water separator system
01/11/1994US5277803 Water clarification method and apparatus
01/11/1994US5277797 Oil and water separator for the bilge of a boat
01/11/1994CA1325995C Process for the separation of hf via azeotropic distillation
01/11/1994CA1325974C Device and method for depletion of the leukocyte content of blood and blood components
01/06/1994WO1994000757A1 Phase partition separation method
01/06/1994WO1994000540A1 Process for operating a centrifugal separator and attachment therefor
01/06/1994WO1994000216A1 Passive circulation in electrolytic fluid treatment systems
01/06/1994CA2138162A1 Passive circulation in electrolytic fluid treatment systems
01/05/1994EP0577007A2 Vehicle door
01/05/1994EP0576624A1 Discharge valve for dissolved air flotation
01/05/1994DE4307046A1 Car wash water cleaner - has container and sepn. systems to recirculate water without sludge basins and purificn. plant