Patents
Patents for B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669)
03/1992
03/25/1992CN1015962B Distributing charge composite electrode and desalt system
03/24/1992US5098994 Heat exchanging, reversing the flow and recovering the solvent
03/24/1992US5098668 HF alkylation unit with acid evacuation system
03/24/1992US5098605 Demulsification of an oil in water emulsion using a P-hydroxystyrene polymer derived from P-acetoxystyrene or a copolymer
03/24/1992US5098584 Method for separating oils from scum
03/24/1992US5098560 Apparatus for heating and demoisturizing diesel fuel
03/24/1992CA1297904C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/24/1992CA1297756C Method of recovering amine in a process for breaking emulsions and sludges
03/19/1992WO1992004125A1 Hydrocyclone having a high efficiency area to volume ratio
03/19/1992WO1992004124A1 Liquid/liquid hydrocyclone
03/19/1992WO1992004123A1 High efficiency liquid/liquid hydrocyclone
03/18/1992EP0475467A1 Swirl chamber separator
03/18/1992EP0475115A1 Method and apparatus for liquid components separation
03/18/1992CN1015874B Precipitate box of liquid-liquid extraction apparatus
03/17/1992US5095758 Water cut monitoring means and method
03/17/1992CA1297424C Expandable bed fibre filter and coalescer
03/10/1992US5094674 Device for separation of air from flotation slush
03/10/1992CA1297044C Three-phase separation device using doubly-canted decanter
03/10/1992CA1296968C Thickening of gold process slurries and slimes
03/05/1992WO1992003383A1 Interfacial float and skimming device
03/05/1992DE4128320A1 Processing plant for oil-contg. sludges
03/05/1992CA2047379A1 Floatation separation system
03/04/1992EP0472967A1 Device for removing volatile contaminants from groundwater
03/03/1992US5093029 Passing through layer of alkanesulfonyl chloride and/or bed of carbon
03/03/1992US5093006 Liquid separator
03/03/1992US5092998 Device for treating oil sludge and oil-containing waste water
03/03/1992CA1296693C Apparatus and method for separating phases of blood
02/1992
02/26/1992EP0471720A1 Water repellent fabric containing an absorbing agent for collecting at the water surface non miscible fluid substances.
02/25/1992US5091096 Marine oil spill recovery apparatus and method
02/25/1992US5091088 Liquid separating apparatus
02/25/1992US5091085 Portable
02/25/1992US5091083 Flotation separation system
02/25/1992CA1296263C Oil-water separator
02/20/1992WO1992002461A1 Waste water treatment system
02/20/1992DE4125038A1 Sepn. appts. for removing starch from waste water - has gravity fed drinking water to reservoir with pump for high pressure spray head which breaks down foam formation
02/18/1992US5089619 Methods for treating hydrocarbon recovery operations and industrial waters
02/18/1992US5089227 Inhibiting corrosion and scaling with (poly)dithiocarbamates
02/12/1992CN1015421B Equipment for recovering and concentrating oil in water
02/06/1992DE4119549A1 Emptying of liq. separators, in separator system - where water is pumped from one separator into another operating in parallel, before first separator is emptied of sepd. material
02/05/1992EP0469582A1 Process and apparatus for the treatment of polluted liquids
02/05/1992EP0468991A1 Method of separating oil-in-water emulsions
02/05/1992CN1058351A Process for removing impurities from olefin polymer or heavy oil
02/04/1992WO1992002297A1 Liquid-absorbing block
02/04/1992CA2067391A1 Liquid absorbent block
02/04/1992CA1295279C Extraction of oil from stable oil-water emulsions
01/1992
01/30/1992DE4119532A1 Removing materials from separator esp. fat separator - by breaking up solid material using stationary, angled water jets, and then mixing and pumping off
01/29/1992EP0468954A2 Method for breaking emulsions
01/29/1992EP0468095A2 Use of oxyalkylated alkylpolyglycosides as demulsifying agents for breaking mineral oil emulsions
01/28/1992WO1992002459A1 Cleaning waste water contaminated with oil and grease
01/28/1992US5084189 Method and apparatus for separating fluids having different specific gravities
01/28/1992US5084177 Oil Skimmer
01/28/1992US5084170 Fuel filter
01/28/1992CA2088142A1 Cleaning waste water contaminated with oil and grease
01/28/1992CA2047921A1 Demulsifiers for breaking petroleum emulsions
01/28/1992CA1294918C Apparatus for dehydrating oil and composite electrode used in such apparatus
01/23/1992WO1992000789A1 Reclamation system for contaminated material
01/23/1992DE4023273A1 Sepn. of oils from waste water - uses appts. where anaerobic reaction in water is prevented by pumping air into sepg. tanks contg. circulated water
01/22/1992EP0466744A1 Process for separating two non-miscible organic liquids using a fibre bed as an aid to coalescence.
01/20/1992WO1992001516A1 Separator
01/20/1992CA2085609A1 Separator
01/15/1992EP0465485A1 Method for separating oil and water emulsions.
01/14/1992US5080802 Induced gas liquid coalescer and flotation separator
01/14/1992US5080792 Apparatus and method for separating fluids
01/14/1992US5080782 Apparatus for bioremediation of sites contaminated with hazardous substances
01/14/1992US5080781 Down-hole hydrocarbon collector
01/14/1992US5080780 Single cell vertical static flow flotation unit cross-reference to related applications
01/08/1992EP0464957A2 Hydrophobically functionalized cationic polymers
01/08/1992CN2092538U 油水分离机 Oil Skimmer
01/07/1992US5078875 Device for removing solid particles and liquids of higher density from a liquid of lower density
01/07/1992US5077900 Fat skimming ladle
01/02/1992EP0463442A1 Process and device for preparing wastes from machining by removal of ferromagnetic materials
01/02/1992EP0417114A4 Separating constituents of a mixture of particles
01/02/1992DE4119590A1 Appts. for evaporative treatment of water contaminated with oil - comprising vapour compressor to heat from compressed vapour is reused in evaporator and in water pre-heaters
01/02/1992DE4119154A1 Device for treating wastewater, comprises sludge trap chamber for collecting sludge and solids contained in the wastewater, filter chamber for collecting floats and immiscible light liquids, inlet, outlet and coalescence filter box
01/02/1992DE4019791A1 Skimming system for incorporation in hull or floating body - for two=stage removal of oil or chemicals from water surface with improved performance at lower cost
01/01/1992CN2091706U Coalescence-type separator of oil from water
12/1991
12/31/1991US5076937 Method for removal of fat, oil and grease from laundry wash water
12/31/1991US5076934 Desalination of brackish water from oil wells
12/31/1991US5076895 Process and apparatus for recovering clean water and solids from aqueous solids using mechanical vapor recompression evaporators
12/27/1991EP0462856A2 Oil-water separation apparatus
12/27/1991EP0462852A1 Process and apparatus for the separation of a continuous fluid phase and a disperse phase and their application
12/24/1991US5075002 Fluid pick-up assembly
12/24/1991CA1293468C Treatment of slop oils
12/17/1991US5073266 Apparatus for separating commingling heavier and lighter immiscible
12/17/1991US5073261 Method and apparatus for separating oil from water and storing the oil
12/17/1991US5073258 Apparatus for removing contaminants from a liquid reservoir
12/12/1991WO1991018655A1 Rotating sleeve hydrocyclone
12/12/1991DE4017972A1 Device for sepg. and pumping oily bilge water from ships - comprises containers with water level probes and non return valves in bottom connections to containers, etc.
12/11/1991EP0267187B1 Cyclone separator
12/10/1991US5071564 Fine-mesh textile bag of agglomerated powdered polymer of bicyclo 2.2.1!-2-heptene; oil spills
12/10/1991US5071557 Liquid/liquid hydrocyclone
12/10/1991US5071556 Hydrocyclone having a high efficiency area to volume ratio
12/05/1991CA2043428A1 Ultrafiltration device and process
12/04/1991EP0459444A1 Method and system for in situ decontamination of ground water mixed with hydrocarbons
12/04/1991CN1014977B Method for separating the hydrocarbon from waste water
12/03/1991US5069795 Process for separating hydrocarbons from waste water
12/03/1991US5069780 Ultrafiltration device and process
11/1991
11/27/1991EP0458015A1 Process for the treatment of coolant-lubricant emulsions contaminated with extraneous oils
11/27/1991EP0457951A1 Device for the flow separation of oil from water with flow in meander form
11/27/1991CN1014871B Separator for separating two mixed liquids having different specific weight