Patents
Patents for B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669)
11/1990
11/20/1990US4971703 Treatment method for emulsified petroleum wastes
11/20/1990US4971692 Settler for liquid-liquid extractors
11/15/1990WO1990013349A1 Apparatus for multiple fluid phase separation
11/15/1990WO1990013343A1 Water repellent fabric containing an absorbing agent for collecting at the water surface non miscible fluid substances
11/13/1990US4969774 Water pollution control; agglomeration
11/13/1990CA1276080C Bs&w measurement apparatus and method
11/06/1990US4968449 Crude oil emulsions
11/06/1990CA1275959C Method and apparatus for treating oil-water-solids sludges and refinery waste streams
11/01/1990WO1990012925A1 Apparatus and method for concentrating materials
10/1990
10/31/1990EP0216780B1 Cyclone separator
10/31/1990CN2064676U Oil-gas-water separating box in crude oil separators
10/30/1990US4966714 Flocculation, separation of latex or synthetic resins with mixture of calcium oxide, magnesium oxides and silica
10/30/1990US4966703 Cyclone separator
10/30/1990US4966693 Apparatus for processing coolant
10/25/1990DE4012104A1 Separator system for machinery coolant-lubricants has alarm system - indicating excessive pressure difference across filter and need for cleaning
10/25/1990DE3912820A1 Cleaning water - contaminated with halogenated hydrocarbon(s), esp. per-chloroethylene, by passing through sedimentation tank and activated carbon filter
10/24/1990EP0393933A2 Paint detackification using an improved oil-in-water emulsion with dibasic esters
10/23/1990US4964994 Hydrocyclone separator
10/21/1990WO1990012633A1 Method of separating oil-in-water emulsions
10/21/1990CA2053227A1 Process for the separation of oil-in-water emulsions
10/18/1990WO1990011810A1 Process for separating two non-miscible organic liquids using a fibre bed as an aid to coalescence
10/17/1990EP0392697A2 Demulsifiers for resolving emulsions formed in the production of pharmaceuticals
10/17/1990EP0392434A2 Process for the evacuation of a separation tank and device for the separation of settling and/or floating materials from spent water
10/17/1990CN2063841U Removing device for floating oil
10/17/1990CA2007222A1 Paint detackification using an improved oil-in-water emulsion with dibasic ester
10/16/1990US4963272 Oil spills
10/16/1990US4963252 Decanter device
10/15/1990WO1990012923A1 Oil arrester
10/15/1990CA2031200A1 Oil arrester
10/11/1990DE3910842A1 Process and appliance for cleansing finely particulate mineral material such as sand or soil from pollutants such as oil
10/10/1990EP0391456A2 Separator
10/09/1990US4962268 Multicompartment separation vessel minimizes spillage
10/09/1990US4961858 Process for the demulsification of oil/water emulsions using organic demulsifiers and the use of said process
10/09/1990CA1275069A1 Separation of dispersed phase from continuous phase
10/09/1990CA1275021A1 Separating oil emulsions
10/02/1990US4960513 Separator for liquids of different densities
10/02/1990CA1274784A1 System for separating liquids
09/1990
09/26/1990EP0389346A1 Device for the separation of two non-miscible liquids and its application for the desalting of a hydrocarbon batch
09/26/1990EP0389276A2 Liquid separating apparatus and method thereof
09/26/1990EP0389275A1 Skimming apparatus
09/25/1990US4959160 Process for the treatment of contaminated emulsion
09/25/1990US4959141 Fuel filter with positive water shutoff
09/22/1990CA2012734A1 Liquid skimming apparatus
09/22/1990CA2012733A1 Liquid separating apparatus
09/19/1990EP0387780A2 Liquid separator
09/19/1990EP0266348B1 Cyclone separator
09/12/1990EP0387235A1 Process for the recuperation of spent motor vehicle oils, and device for carrying out same
09/11/1990US4956099 Methods for treating hydrocarbon recovery operations and industrial waters
09/05/1990EP0385119A2 Mixture components separation and recovery process through evaporation
09/05/1990EP0332641A4 Cyclone separator
09/05/1990EP0258359B1 Method of separating a medium in different components by means of gravity
09/04/1990US4954266 Method and system for recovering free floating liquids from ground water
09/03/1990WO1990009833A1 Method for separating oil and water emulsions
08/1990
08/29/1990EP0384457A1 Apparatus for the separation of non-miscible liquids
08/29/1990EP0384242A1 Process and apparatus for the treatment of glass-containing cooling water
08/28/1990US4952315 Method, system and emulsifier substance for treatment of materials containing harmful substances
08/28/1990CA1273362A1 Quaternary oxalkylated polycondensates, a process for their preparation and their use
08/23/1990WO1990009414A1 Process for the absorption of organic pollutants
08/23/1990DE3904698A1 Method for processing animal raw materials
08/23/1990DE3904364A1 Separating off individual components from liquid mixtures by layer formation in accordance with density
08/22/1990EP0383641A1 Composition and process for absorbing harmful products
08/22/1990EP0383640A1 Process for absorbing harmful organic products
08/22/1990EP0383522A1 Separation technique for oil ontaminated sludge
08/22/1990CA2007987A1 Alkylation catalyst isolation
08/18/1990WO1990009415A1 Composition and process for the absorption of pollutants
08/16/1990EP0381874A1 Method and apparatus for water decontamination
08/15/1990CN1044636A Method and apparatus for water decontamination
08/14/1990US4948517 Progessive cavity motor with brake to regulate fluid flow into separator
08/14/1990US4948512 Multistep method for separating dissolved organic compounds from a solution
08/14/1990US4948493 Enclosure surrrounding the tank containing oil; heating, adding a coagulant, precipitating impurities
08/14/1990US4948476 Using electrolytic oxidation cell and coupled transport module
08/14/1990US4948393 Preheating of production fluid prior to entry in first stage by mixing with heated produced effluent water
08/14/1990US4947885 Brine monitor
08/13/1990CA2009801A1 Unique and effective separation technique for oil contaminated sludge
08/08/1990EP0380818A1 Fuel purifying apparatus
08/07/1990US4947340 Instrument for the measurement and determination of chemical pulse column parameters
08/07/1990CA1272465A1 Electrostatic mixer/separator
08/02/1990DE3930155A1 Oil sepn. from horizontally flowing liq. - with transverse barrier of flow-directing apertured plate preceded by mesh structure
07/1990
07/26/1990DE3902155A1 Waste water purification apparatus
07/25/1990EP0379021A1 Process for working up the raffinate fraction obtained in the extractine distillation of hydrocarbon mixtures
07/24/1990US4943370 Method and apparatus for monitoring material in a liquid
07/24/1990US4943352 Filters, evaporator plate and head, heater
07/17/1990US4941977 Cross-flow separator for separating component suspended in a liquid
07/17/1990US4941962 Electrostatic adsorptive fluid filtering apparatus
07/17/1990US4941959 Solvent extraction, countercurrent flow, emulsification
07/10/1990US4940544 Decentral wastewater treatment process
07/10/1990US4940539 Grease trap construction
07/05/1990DE3941016A1 Cyclone filter - having housing, deflection plates, screw conduit, partition wall, central opening, slots, screw-insert, pptn. chamber etc.
07/04/1990EP0139003B1 Filter assembly
07/03/1990US4938878 Immiscible separating device
07/03/1990US4938877 Unique and effective separation technique for oil contaminated sludge
07/03/1990US4938876 Method for separating oil and water emulsions
06/1990
06/28/1990EP0370026A4 Liquid separator.
06/28/1990EP0365537A4 Liquid separator.
06/27/1990EP0374278A1 Method of recovering amine in a process for breaking emulsions and sludges
06/27/1990EP0374277A1 Method for removing amine from oil
06/26/1990US4936990 Apparatus for multiple fluid phase separator
06/26/1990US4936986 Oil/liquid separation filter system
06/21/1990DE3842860A1 Process and plant for treating waste waters laden with light liquids
06/20/1990EP0373174A1 Process and device for purifying degreasing solutions