| Patents for B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669) |
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| 03/07/1991 | WO1991002948A1 Combined separator and sampler |
| 03/06/1991 | EP0415287A2 Procedure for removing cholesterol and cholesterol esters from egg-yolk |
| 03/06/1991 | EP0415121A1 A skimming device for oil-extraction equipment for tanks of coolant fluids with oil in suspension |
| 03/06/1991 | CN2072606U Oil and water double separating pump |
| 03/06/1991 | CA2024028A1 Water-in-oil emulsions and their use in the elimination of hydrogen sulphide |
| 03/05/1991 | US4997557 Floating, mixing, aerating and decanting unit |
| 03/05/1991 | US4997555 Fuel filter assembly with heater |
| 03/05/1991 | CA1281034C Oxalkylated polyester-amines, a process for their preparation and their use |
| 02/28/1991 | DE4011400A1 Treating liquids, slurries and pastes - by contact with comminuted organic fibres of high absorption capacity, to produce flowable or plastic material |
| 02/27/1991 | EP0414424A2 Method for breaking emulsions |
| 02/27/1991 | EP0414174A2 Esterified glycidyl ether addition products containing no amine groups and their use |
| 02/27/1991 | CA2023797A1 Process for the removal of cholesterol and cholesterol esters from egg yolk |
| 02/26/1991 | US4995992 Bouyant valve controls fuel flow through conduit; settling |
| 02/26/1991 | US4995989 Separating liquids |
| 02/26/1991 | US4995974 For purification of water and contaminants from aviation fuels and natural gases |
| 02/25/1991 | CA2023465A1 Method for breaking emulsions |
| 02/23/1991 | CA2023685A1 Amine-free esterified glycidyl ether addition products and their use |
| 02/22/1991 | WO1991003041A1 Treatment method for emulsified petroleum wastes |
| 02/21/1991 | DE4024191A1 Concrete oil-water sepn. container with end bulges - holding integral inlet and outlet bores respectively for raw and treated water |
| 02/19/1991 | US4994186 Container for separating liquids |
| 02/19/1991 | US4994184 Ultrafiltration device and process |
| 02/15/1991 | EP0434671A4 Liquid separator. |
| 02/14/1991 | DE4001922C1 Separator or sludge catcher with no limiting sealing ring - comprises concrete sections which are sealed at contact points using perforated injection tube to apply seal |
| 02/13/1991 | EP0412658A2 Separator for the treatment of liquids |
| 02/13/1991 | EP0412273A1 Breaking emulsions of alkanesulfonyl chlorides in aqueous hydrochloric acid |
| 02/12/1991 | CA1280075C Separating oil phase from aqueous phase using an apertured oleophilic sieve in contact with an apertured cylindrical cage wall |
| 02/11/1991 | CA2019673A1 Breaking emulsions of alkanesulfonyl chlorides in aqueous hydrochloric acid |
| 02/07/1991 | DE3925977A1 Device to separate organic materials from liquids, esp. from water - use closed vessel to prevent escape of odours and reduces oxidn. of organic materials |
| 02/06/1991 | EP0411755A1 Hydraulically operated electromagnetic fluid valve |
| 02/06/1991 | EP0238491B1 Cyclone separator |
| 02/05/1991 | US4990265 Method of dewatering oil mud |
| 02/05/1991 | US4990246 Separator for two non-miscible liquids |
| 02/02/1991 | WO1991001945A1 Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges |
| 02/02/1991 | CA2037925A1 Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges |
| 01/31/1991 | DE3930226A1 Internal bleed in multichamber heavy liq separator |
| 01/30/1991 | EP0328555B1 Method and device for separating a dispersed phase |
| 01/29/1991 | US4988427 Liquid/solid separation unit |
| 01/24/1991 | WO1991000765A1 Apparatus for sensing the presence of a conductive liquid in a non-conductive liquid |
| 01/24/1991 | DE3923437A1 Procedure and device for lacquering - in which air is exhausted from lacquering booth through falling liq. curtain to reduce contamination of the booth walls |
| 01/23/1991 | EP0409420A1 Hybrid chromium recovery |
| 01/22/1991 | US4986912 Disposable insert for a fluid filtration canister |
| 01/22/1991 | US4986907 Fuel purifying apparatus |
| 01/22/1991 | US4986903 Induced static single flotation cell |
| 01/20/1991 | CA2017196A1 Hybrid chromium recovery process |
| 01/16/1991 | EP0407999A1 Method of separating liquid |
| 01/16/1991 | CN2069296U 重力分离器 Gravity separator |
| 01/15/1991 | US4985696 Electronic controller by resistivity of water-oil interface |
| 01/15/1991 | US4985148 Improved separator tank construction |
| 01/15/1991 | CA1279020C Apparatus and method for removing a liquid from a mixture of liquids |
| 01/09/1991 | EP0403590A4 Apparatus and methods for liquid treatment |
| 01/09/1991 | EP0179135B1 Separating a component which forms a dispersion in, or which is dissolved in, continuous liquid |
| 01/08/1991 | US4983297 Waste water treating process scheme |
| 01/08/1991 | US4983295 Separator |
| 01/08/1991 | US4983294 Separator |
| 01/08/1991 | US4983287 Water treating using a series coalescing flume |
| 01/08/1991 | US4983284 Heated sump assembly for a grease/oil separator |
| 01/08/1991 | US4983283 Cyclone separator |
| 01/08/1991 | US4983189 Propagating two acoustic waves of different frequencies, superimposing to form pseudo-standing acoustic waves |
| 01/03/1991 | DE3921374A1 Device for discontinuous cleaning of water contg. hydrocarbon(s) - and metals and/or solvents, in a cylindrical vessel contg. a skimmer, and agitator and separate dosing systems |
| 01/03/1991 | DE3920083A1 Low density fluid separator - has a coalescence or filter insert, installed in sections or as a folded, hinged unit which is unfolded when in position |
| 01/02/1991 | EP0406048A1 Method and device for the injection of fluids into a flotation tank |
| 01/02/1991 | EP0405447A2 Fuel filter |
| 01/02/1991 | EP0405169A2 Baffle plate thickener |
| 01/02/1991 | EP0404889A1 Phase-separating element. |
| 01/02/1991 | EP0289602B1 Installation for purification of sewage water |
| 01/02/1991 | CA1278530C Filter apparatus for removing hydro carbon contaminents from water, particularly for purifying oil contaminated water |
| 01/01/1991 | US4981569 Electric-field emulsion-breaking device |
| 12/27/1990 | WO1991000508A1 Method and apparatus for obtaining analytes from liquid menstrua for analysis |
| 12/27/1990 | EP0404370A2 Resolution of emulsions formed in the production of pharmaceuticals |
| 12/27/1990 | EP0403590A1 Apparatus and method for liquid treatment. |
| 12/27/1990 | EP0325607A4 Cyclone separator |
| 12/27/1990 | EP0256014B1 System and apparatus for the separation of multi-phase mixtures |
| 12/27/1990 | CA2035473A1 Method and apparatus for obtaining analytes from liquid menstrua for analysis |
| 12/25/1990 | US4980070 Floating oil separator and process |
| 12/25/1990 | US4980064 Cyclone separator with enlarged underflow section |
| 12/25/1990 | US4980030 Heating to volatilize solvent and cure paint resin; collecting solids; removal |
| 12/19/1990 | EP0403237A2 Process for de-oiling mill scale |
| 12/19/1990 | EP0330659B1 Process for separating hydrocarbons from waste water |
| 12/19/1990 | CN2067597U Floating separator for mixture of oil and water |
| 12/19/1990 | CN1047811A Alkylation catalyst isolation |
| 12/18/1990 | US4978454 Separating a mixture of two dispersed phases into separate streams; ultrafiltration, permeate-retentate recycle |
| 12/18/1990 | US4977915 Demulsifier control system and method |
| 12/18/1990 | CA1277924C Decanting device for separation of phases of different densities |
| 12/13/1990 | WO1990015256A1 Curved fluid translation systems |
| 12/13/1990 | WO1990014892A1 Method of recovery of hydrocarbons from contaminated soil or refuse materials |
| 12/13/1990 | DE4017229A1 Purifying lubricant during non-turbulent movement - between corrugated plate stacks with terminal diffusors providing multiple equal flows |
| 12/13/1990 | DE3918803A1 Cleaning surface water - where rain-water etc. is cleaned in system consisting of sedimentation stage, sepn. of floating matter and biological filtration |
| 12/13/1990 | DE3918343A1 Liq.-liq. separator - comprising gravity separator provided with small opening equalising chamber and heavy liq. outlet |
| 12/12/1990 | EP0402158A2 Apparatus and method for bioremediation of sites contaminated with hazardous substances |
| 12/12/1990 | EP0401276A1 Separating liquids |
| 12/12/1990 | EP0229798B1 Electrode unit to be used for purification of emulsions and polluted waters, especially oil-bearing waters, by means of electrolysis |
| 12/11/1990 | US4976875 Method of and apparatus for separating a medium in different components by means of gravity |
| 12/11/1990 | US4976872 Cyclone separator |
| 12/11/1990 | US4976852 Fuel filter |
| 12/08/1990 | CA2018621A1 Apparatus and method for bioremediation of sites contaminated with hazardous substances |
| 12/07/1990 | WO1990014874A1 Device for separating light liquids |
| 12/05/1990 | EP0400252A1 Apparatus for separating substances from the surface of a fluid |
| 11/22/1990 | EP0398022A1 Method for the separation of oil in water emulsions |
| 11/22/1990 | DE3916030A1 Breaking stabilised emulsion, esp. cutting fluid soldering - from metal working, by organic cationic polymer pre-treated with carbon di:oxide |
| 11/20/1990 | US4971912 Apparatus and method for the separation of immiscible liquids |