Patents for B01D 11 - Solvent extraction (12,717)
07/1984
07/18/1984EP0113378A1 Method of operating mixer/settler
07/17/1984US4460549 Recovery of uranium from wet-process phosphoric acid
07/17/1984CA1170839A1 Extraction process for the separation of a highly nickel-free cobalt product from aqueous solutions of cobalt and nickel
07/11/1984EP0112978A1 Liquid distributor for a mass and heat exchange column
07/04/1984EP0112684A1 Improved tray for liquid-contacting in an extraction zone
07/03/1984US4457812 Preferential extraction of metal halide with nonmetal halide
06/1984
06/27/1984EP0112165A1 Extraction zone for liquid-liquid contacting
06/27/1984EP0111732A2 Process for the preparation of raw materials from autumn leaves, its use and a device for carrying out the process
06/19/1984US4455234 Continuous process, circulation
06/19/1984US4455216 Deasphalting, solvent extraction
06/12/1984US4454231 Method and device for mass transfer operation in immunoassays and other applications
06/12/1984US4453832 Apparatus for trouble-free and continuous charging of extractors with extraction feedstock to be treated and with extractant or solvent
06/12/1984CA1169003A1 Process of separating fine solids from oil
06/12/1984CA1168836A1 Method and device for mass transport and separation through selective barriers
06/05/1984US4452768 Treastment with a diorganyldithio phosphoric acid acid and adsorption
05/1984
05/29/1984US4451247 Continuous, completely jacketed, countercurrent centrifugal extractor
05/29/1984CA1168028A1 Liquid-liquid contacting apparatus
05/15/1984US4448669 Solvent extraction using supercritical temperature and pressure
05/15/1984US4448208 Tobacco extractor
05/08/1984US4447310 Production of distillates by the integration of supercritical extraction and gasification through methanol to gasoline
05/01/1984CA1166429A1 Method and installation for the reverse mass exchange of two differing phases
05/01/1984CA1166424A1 Production of alkali metal sulfates
04/1984
04/25/1984EP0106317A1 Purification of fluorinated lubricants free from hydrogen
04/24/1984US4444729 Multistage column for countercurrent extraction of liquids
04/24/1984CA1165980A1 Method for improving dissolution efficiency in gas- absorption and liquid extraction processes
04/24/1984CA1165978A1 Process for production of high-purity iron oxide
04/24/1984CA1165977A1 Purification process for gallium solutions
04/17/1984US4443321 Supercritical solvent coal extraction
04/17/1984CA1165534A1 Process for purifying a gallium solution by liquid/ liquid extraction using quaternary ammonium salts
04/10/1984US4442071 Extraction of plutonium ions from aqueous sulfuric acid solutions with D2 EHPA or D2 EHPA/TOPO
04/10/1984CA1165304A1 Cation-selective liquid membranes and their use
04/04/1984EP0104947A2 Multiple particle washing system and method of use
04/03/1984US4440633 Process for solvent deasphalting heavy hydrocarbon fractions
03/1984
03/27/1984US4439405 Method for varying the mixing time and proportions in the contacting of substantially immiscible liquids
03/21/1984EP0103261A2 Continuous extraction of polyphenylene sulfide
03/21/1984EP0103086A1 Diffuser assembly
03/20/1984US4437939 Improved distillation of carbon dioxide by adding gases
03/20/1984US4437938 Solvent extraction with super-critical carbon dioxide
03/14/1984EP0102882A1 Process for extracting gallium using substituted hydroxyquinoleins and organophosphorous compounds
03/13/1984US4436631 Centrifuging, collecting
03/13/1984US4436625 Method for purification of cresidine sulfonic acid by solvent extraction
03/13/1984CA1163447A1 Maintaining reductive strip efficiency in uranium recovery processes
03/07/1984EP0102280A1 Process for extracting gallium using substituted hydroxyquinolines, and organic compounds having a sulfate or sulfonate group
03/07/1984EP0101907A2 Countercurrent washing tower and countercurrent washing method using same
03/06/1984US4435378 Process for removing extractable substances from carbon black
03/06/1984US4435363 Nuclear fuel processing
03/06/1984US4435293 Particle washing system and method of use
03/06/1984CA1163089A1 Method and means for processing a solid gravel like material with a fluid
02/1984
02/29/1984EP0101639A2 Process for isolating saponins and flavonoids from leguminous plants
02/28/1984US4434141 Leaching spent hydroprocessing catalysts
02/28/1984US4434028 Solvent extraction
02/28/1984US4434002 Process for production of high-purity metallic iron
02/22/1984EP0101066A2 Liquid-spraying system
02/21/1984US4433151 Oxy benzoic acid terminated polyether derivatives of 8-hydroxy quinolines
02/21/1984CA1162403A1 Helical vibrating elevator for dissolution of nuclear fuel
02/15/1984EP0100485A2 Process for the extraction of lecithin
02/08/1984EP0099901A1 Extractor for the liquid/solid extraction of extractive materials from natural substances.
02/07/1984US4430227 Method of concentrating aqueous solutions
02/07/1984US4430216 High speed preparative countercurrent chromatography with a multiple layer coiled column
02/07/1984CA1161630A1 Polyalkylene oxide with hydrotropic agent and amphipathic agent for breaking petroleum emulsion
02/02/1984WO1984000310A1 Method of operating mixer/settler
02/02/1984WO1984000309A1 Extraction method
01/1984
01/31/1984US4429049 Method for the analysis of organic pollutants
01/31/1984US4428876 Solvent extraction, adsorption on resin
01/31/1984US4428833 For transferring spent flakes from solvent extractor to desolventizer-toaster
01/31/1984US4428798 Extraction and/or extractive distillation of low molecular weight alcohols from aqueous solutions
01/24/1984US4427583 Protein production
01/24/1984US4427571 Composition for stripping gold or silver from particulate materials
01/24/1984CA1160976A1 Polarity gradient extraction method
01/17/1984US4426361 Extraction zone tray
01/17/1984US4426291 Solvent extraction of nitrated organic compounds from aqueous solutions
01/17/1984CA1160587A1 Method and apparatus for extracting tar sands
01/10/1984US4425236 Polysulfide
01/10/1984CA1160058A1 Process of obtaining uranium and uranium compounds from phosphoric acid
01/03/1984US4424131 Liquid-liquid extraction method and apparatus
01/03/1984US4424081 Reconditioning soils contaminated by crude oils or other refined petroleum products
12/1983
12/27/1983US4422966 Using ethylene in super critical state
12/27/1983US4422901 Apparatus for the continuous solvent extraction of bitumen from oil-bearing sand
12/20/1983US4421649 Method and apparatus for enriching compounds of low water solubility from aqueous suspensions of substantially inorganic solid substances
12/20/1983CA1158840A1 Counter current diffusion extractor
12/20/1983CA1158839A1 Method and device for mass transfer operation in immunoassays and other applications
12/06/1983US4419338 Liquid-liquid extraction
12/06/1983CA1158024A1 Apparatus for continuous treatment of mixtures
11/1983
11/29/1983US4418221 Solvent extraction with a nitrogen containing heterocyclic compounds
11/29/1983CA1157632A1 Mass transfer apparatus
11/22/1983US4416859 Countercurrent solids-fluid contactor
11/22/1983US4416858 Cylindrical rotor containing rings of buckets; non-turbulent mixing
11/22/1983US4416764 Method and appratus for extracting tar sand
11/22/1983CA1157419A1 Process and apparatus for separating organic liquid solutes from their solvent mixtures
11/15/1983CA1157001A1 Method of manufacturing superficially hydrophilized filling bodies for interphase mass and/or heat exchange units
11/09/1983EP0093320A2 Process for the extraction of onium salts from process and waste waters
11/09/1983EP0093215A1 Liquid distribution device
11/08/1983US4414108 Centrifuge system
11/01/1983US4412976 Adjustable wheel assembly in a rotary solvent extractor
10/1983
10/25/1983US4411923 Process for the extraction of caffeine from super-critical solutions
10/18/1983US4410498 Acid leaching of nickel from serpentinic laterite ores
10/18/1983CA1155403A1 Treatment apparatus
10/13/1983WO1983003425A1 Supercritical co2 extraction of lipids from lipid-containing materials
10/04/1983US4407780 Reductive stripping of uranium values from wet-process phosphoric acid
10/04/1983US4407703 Multistage distillation and solvent extraction; energy efficient