| Patents for B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669) |
|---|
| 11/27/1991 | CN1014866B Method and unit for oil-water separation |
| 11/26/1991 | US5068035 Coalescing plate packing system |
| 11/21/1991 | EP0457359A1 Method of extracting organic compounds from water |
| 11/21/1991 | DE4110091A1 Light-liq. separator using sedimentation and gravitational sepn. |
| 11/21/1991 | DE4015955A1 Light material separator - in which liq. flows radially through vertical, hollow coalescence insert, useful for gravity sepn. of light particles from waste water |
| 11/21/1991 | DE4015640A1 Ring-chamber oil separator - where inclined floor with spray nozzles and moving chain system allows deposits to be automatically removed from the base of the separator |
| 11/19/1991 | US5066407 Removal, Separation And Recovery Of Petrochemical Oils From The Surface Of Bodies Of Water |
| 11/19/1991 | US5066386 Utilizes A Volatile Solvent Which Is Liquefied Under Pressure |
| 11/15/1991 | CA2025354A1 Giant jem wing skimmer and seperator for oil and other floating materials, liquids |
| 11/14/1991 | WO1991017228A1 Improved bitumen emulsions |
| 11/13/1991 | EP0456455A1 Phase transfer catalyst recovery |
| 11/13/1991 | EP0456057A1 Separator for light liquids |
| 11/13/1991 | EP0401276A4 Separating liquids |
| 11/12/1991 | US5064448 Surge dampening three-phase production separator |
| 11/08/1991 | EP0465485A4 Method for separating oil and water emulsions. |
| 11/08/1991 | CA2040098A1 Phase transfer catalyst recovery |
| 11/05/1991 | US5063077 Adsorption |
| 11/05/1991 | US5062955 Rotating sleeve hydrocyclone |
| 11/05/1991 | US5062953 Belt type oil skimmer with horizonital rollers |
| 11/05/1991 | US5062940 Electrolytic liquid purification apparatus |
| 11/05/1991 | US5062926 Solvent recovery apparatus |
| 10/31/1991 | WO1991016117A1 Method and apparatus for predicting hydrocyclone performance |
| 10/30/1991 | EP0454356A2 Process for separating extractable organic material from compositions comprising oil-in-water emulsion comprising said extractable organic material and solids |
| 10/29/1991 | CA1291441C Electrode unit with adjustable electrodes for purification of liquids |
| 10/24/1991 | CA2040173A1 Process for separating extractable organic material from compositions comprising oil-in-water emulsions comprising said extractable organic material and solids |
| 10/22/1991 | US5059332 Method and device for treating oil sludge and oil-containing waste water |
| 10/22/1991 | US5059312 Skimming device for oil-extraction equipment for tanks of coolant fluids with oil in suspension |
| 10/17/1991 | DE4011611A1 Demulsifier compsns. contg. opt. substd. vinyl- sulphonic acid - for breaking oil-in-water or water-in-oil emulsions |
| 10/16/1991 | EP0451430A1 Plant to depollute waste water, particularly water from olive crushers |
| 10/15/1991 | US5057227 Usin permeable barrier containing peat |
| 10/15/1991 | CA1290644C Fluid filter drain assembly |
| 10/09/1991 | EP0450109A1 Liquid reservoir with a drain |
| 10/09/1991 | CN1055124A Method for separation of oil from water and oil purification equipment |
| 10/08/1991 | US5055610 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
| 10/08/1991 | US5055202 Method and apparatus for maintaining predetermined cyclone separation efficiency |
| 10/08/1991 | US5055191 Substance spill pick-up device |
| 10/03/1991 | WO1991014603A1 Process and installation for supplying (washing) water and use of filter papers therefor |
| 10/03/1991 | WO1991014492A1 Method and apparatus for separating liquid components from a liquid mixture |
| 10/02/1991 | EP0448821A1 Process for breaking oil-in-water emulsions |
| 10/01/1991 | US5053145 Dual direction transfer system for tramp oil collection |
| 10/01/1991 | US5053120 Arrangement for draining water collecting in the container of a water separator of an internal-combustion engine |
| 09/28/1991 | CA2038907A1 Process for the separation of oil-in-water emulsions |
| 09/28/1991 | CA2027660A1 Emulsion breaking using cationic quaternary ammonium starch/gums |
| 09/25/1991 | EP0448535A1 A seal device |
| 09/25/1991 | EP0447887A1 Apparatus for the separation of air from flotation turbid liquids |
| 09/25/1991 | CN2085249U Static electric quasi-liquid film combination baffle-electrode assembly |
| 09/25/1991 | CN1014029B Deemulsifying method of sulphur-bearing sewage at top of fractionating column for catalytically cracking heavy oil |
| 09/24/1991 | US5051192 Solutions of surfactants in a viscosity modifier, water and a hydrocarbon solvent |
| 09/24/1991 | CA1289510C Centrifugal separation of dispersed phase from continuous phase with electrostatic charges |
| 09/23/1991 | CA2038766A1 Seal device |
| 09/22/1991 | CA2012782A1 Method and apparatus for reducing the danger of vapour flash in oil, water and gas separators |
| 09/19/1991 | DE4009650A1 Continuous treatment for sepn. of water, oil and oil sludge - in mass flow systems in petroleum industries provides simple, through separation |
| 09/17/1991 | US5049277 Cyclone separator |
| 09/12/1991 | DE4007599A1 Suction system for removing separate layers of liq. - such as creamy emulsion of used coolant-lubricant from tank |
| 09/11/1991 | EP0445576A2 Toroidal chamber separator |
| 09/10/1991 | US5047153 Method for removing amine from solids |
| 09/10/1991 | US5047150 Settled solids removal mechanism |
| 09/10/1991 | US5047083 Process for de-oiling mill scale |
| 09/05/1991 | WO1991012926A1 System for preparing cooling lubricants |
| 09/05/1991 | WO1991012893A1 Improvements relating to hydrocyclone systems |
| 09/04/1991 | EP0444515A1 Condensation products useful as demulsifying agents for oil-in-water emulsions |
| 09/04/1991 | EP0246316B1 Treatment of emulsions |
| 09/03/1991 | US5045473 Apparatus and method for the separation and/or formation of immicible liquid streams |
| 09/03/1991 | US5045218 Method of separating a lighter dispersed fluid from a denser liquid in a hydrocyclone having flow-modifying means |
| 09/03/1991 | US5045212 Process for the separation of oil-in-water emulsions |
| 09/03/1991 | US5045187 Regeneration system for water conditioners such as water softeners |
| 08/29/1991 | DE4005627A1 Aufbereitungssystem fuer kuehlschmierstoffe Treatment system for kuehlschmierstoffe |
| 08/29/1991 | DE4005520A1 Evaporator for water purificn. - has vertical plastic, metal alloy, graphite etc. heat exchanger pipes used to provide energy for integrated electro-coagulator |
| 08/29/1991 | CA2037208A1 Condensates suitable as demulsifiers for oil-in-water emulsions |
| 08/27/1991 | CA1288058C Separation of viscous hydrocarbons and minerals particles from aqueous mixtures by oleophilic adhesion |
| 08/22/1991 | DE4005251A1 Removing suspended particles from liq. by settlement - while slowly moving through one compartment of interconnected series |
| 08/21/1991 | EP0441938A1 Process and installation for extracting fat and/or protein-containing material from fat-containing liquid material, in particular from slaughter deposits and waste. |
| 08/21/1991 | CA2036543A1 Liquid recycling system |
| 08/14/1991 | EP0441512A2 Oil- absorbent polymer and use therefor |
| 08/14/1991 | EP0441198A2 Application of trialkanolaminpolyether as demulsifier for oil-in-water-emulsions |
| 08/14/1991 | EP0441175A2 Process and apparatus for purifying, recovering and recycling hot aqueous degreasing baths and spray washers |
| 08/14/1991 | EP0440679A1 Filter for removing hydrophobic substances from electrophoretic enamel coatings |
| 08/14/1991 | DE4003737A1 Direct current oil-emulsion breakdown electrode - has carbon-fibre layers in corrugated laminar structure |
| 08/13/1991 | US5039450 Demulsifying with a reaction product of a polyoxyalkylene glycol block polymer and a polyglycidyl ether of a phenol-for-maldehyde novolak |
| 08/13/1991 | US5039425 Separating air, settling, removing floating contaminants, draining, pressurization, coalescing |
| 08/13/1991 | US5039414 Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges |
| 08/08/1991 | WO1991011242A1 Process for separating oil-water emulsions |
| 08/08/1991 | DE4003243A1 Use of tri:alkanolamine polyether(s) as demulsifiers in o/w emulsions - obtainable by condensing tri:alkanol:amine(s) in presence of (hypo)phosphorous acid |
| 08/07/1991 | EP0439731A1 Process for the thermal separation of a water/oil-emulsion |
| 08/06/1991 | US5037562 Oil/liquid dynamic separation rotating disk filter system with barrier layer formation |
| 08/06/1991 | US5037558 Liquid separator |
| 08/06/1991 | US5036882 Valve assembly for decanter for wastewater treatment facility |
| 08/01/1991 | DE4002472A1 Verfahren zur spaltung von oel-/wasser-emulsionen Process for the cleavage of oil- / water-emulsions |
| 07/30/1991 | US5035805 Water detection and removal for instruments |
| 07/25/1991 | DE4100242A1 Treating liquids contaminated with oils, esp. emulsions of oils - in which carry-over of oil in the vapour evolved in evaporative oil-water separator is prevented by using centrifugal separator |
| 07/25/1991 | DE4007127C1 Electrode for electrolytic treatment of waste water - consists of nonwoven or needle felted non-conducting plastic fibres providing porous structure |
| 07/25/1991 | DE4001921A1 Resist surface of collector panel sepg. light liq. - from tank flushed clean of soil by water jets from apertured meander hose in panel |
| 07/25/1991 | DE4001920A1 Light-liq. separator with improved gravity sepn. - uses flow smoothing and coalescing inserts through which liquids pass, and has internal tubular structure |
| 07/25/1991 | DE4001851A1 Treating hot aq. degreasing liq. for reuse |
| 07/24/1991 | EP0438264A2 Paint sludge separator system |
| 07/24/1991 | EP0437684A1 Starch separator |
| 07/23/1991 | CA1286613C Reducing oil content of produced water by gas flotation |
| 07/17/1991 | EP0436773A2 Purification of compressed air discharge condensate |
| 07/16/1991 | US5032285 Enhanced oil recovery |
| 07/16/1991 | US5032275 Cyclone separator |