Patents for B01D 11 - Solvent extraction (12,717)
03/1992
03/24/1992US5098662 Containers and kits
03/24/1992US5098573 Binary concentration and recovery process
03/24/1992CA1297903C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/19/1992WO1992004036A1 Kava extract, method of preparing the extract, and its use
03/19/1992DE4028945A1 Kawa-kawa-extrakt, verfahren zu seiner herstellung und seine verwendung Kava-kava extract, process for its preparation and its use
03/18/1992CN1015905B Extraction of particulate materials
03/18/1992CN1015874B Precipitate box of liquid-liquid extraction apparatus
03/17/1992CA1297619C Polymer recovery from solution
03/14/1992CA2050767A1 Process for the recovery of metals and coating materials from composite materials
03/11/1992CN2098319U Liquid mixture clarifying extractor with two-stage pump
03/10/1992US5094753 Disposable extraction cartridge
03/10/1992US5094741 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
03/04/1992EP0472908A2 Removal of low molecular weight fractions of melt processable tetrafluoroethylene copolymers
03/04/1992CN2097677U Three-section rotating bowl centrifugal extractor
03/03/1992US5093123 Extraction of moistened roots with pressurized carbon dioxide
03/03/1992US5092983 Process for separating extractable organic material from compositions comprising said extractable organic material intermixed with solids and water using a solvent mixture
02/1992
02/26/1992EP0471900A1 Apparatus and process useful for solvent extraction of organic material from compositions containing the same
02/26/1992CN2097025U Device for preventing rotation
02/25/1992US5091546 Novel rhodium recovery
02/25/1992CA1296357C Process for extracting paraffins from their mixtures with paraffinsulphonic acids
02/18/1992CA1295795C Asymetrically-wettable, porous membrane and membrane process
02/13/1992DE4125670A1 Low-energy pulsator for fluid-fluid extn. - of solute from solvent
02/12/1992CN2095706U Settle extractor
02/11/1992US5087370 Method and apparatus to detoxify aqueous based hazardous waste
02/11/1992US5087360 Field-portable apparatus and method for analytical supercritical fluid extraction of sorbent materials
02/11/1992CA2039470A1 Modular solvent extractor/concentrator apparatus
02/11/1992CA1295486C Extraction of transition metals from organic solutions
02/05/1992EP0468978A1 Process for recovering germanium.
02/05/1992CN1058350A Multi-tank electrostatic quasi-liquid-film separator
02/04/1992CA1295279C Extraction of oil from stable oil-water emulsions
01/1992
01/28/1992US5084249 Rotary centrifugal contactor
01/21/1992US5082602 Process and apparatus for regenerating spent reprocessing extraction solvent
01/21/1992US5082574 Separation, purification
01/21/1992US5082535 Apparatus for the extraction of oil or polychlorinated biphenyl from electrical parts through the use of solvents and for distillation of the solvents
01/15/1992EP0466291A2 Apparatus and method for supercritical fluid extraction
01/14/1992US5081010 Alcoholamine, ethylene oxide alkylphenol compound; medical diagnosis
01/14/1992US5080845 Method of removing impurities from polymeric synthetic plastics materials and an apparatus for carrying out the method
01/14/1992US5080795 Supported chiral liquid membrane for the separation of enantiomers
01/14/1992US5080721 Process for cleaning particulate solids
01/08/1992EP0464968A2 Process and device for extraction of solved volatile substances from liquids into the gaseous phase
01/07/1992US5078974 Recovering material from solvent and aqueous phases, no heating required, solvent extraction
01/07/1992US5078887 Solvent extraction with solvents such as methyl isobutyl keton e in a countercurrent flow to the zirconium chloride solution for purification
01/07/1992US5078886 Separation of mixtures by two-phase systems
01/01/1992CN1057412A Process and apparatus for cleaning particulate solids
01/01/1992CN1057411A Process and apparatus for cleaning particulate solids
12/1991
12/31/1991US5076930 Mixing heavy and light medium, separation, circulation
12/27/1991EP0462897A1 Pulsating column with packing in baskets
12/25/1991CN1015166B Extraction method for treating acid wash waste liquid of rolled steel
12/24/1991US5074958 Method for removing polychlorinated dibenzodioxins and polychlorinated dibenzofurans and stickies from secondary fibers using supercritical propane solvent extraction
12/24/1991US5074911 Extracting metal values from aqueous solution with immiscible solvent and dissolved heterocyclic thione
12/24/1991CA1293519C Process for extracting nitrohydroxyaromatics from aqueous solutions
12/22/1991CA2044912A1 Pulsed column with basket lining
12/17/1991US5073267 Percolating with a mixture of medium, sublimating and recovering in aqueous solution
12/17/1991US5073200 Low pressure system for extraction of soluble matter from fibrous material
12/17/1991US5072600 Wash column ice-pack bottom detection device
12/12/1991DE4018120A1 Cellulose washing
12/11/1991EP0460638A1 Process and apparatus for washing cellulosic pulp
12/11/1991CN2090288U Column extractor with cellular-type grid regular packing
12/07/1991CA2043840A1 Method and apparatus for washing pulp
12/03/1991US5069883 Device for continuous contacting of liquids and solids
12/03/1991US5069768 Process for separating substances present in liquids
11/1991
11/27/1991EP0458125A2 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
11/27/1991EP0236446B1 Mass transfer extraction of liquids from solids
11/27/1991EP0192739B1 Liquid-liquid extractor
11/24/1991WO1991017816A1 Supported chiral liquid membrane for the separation of enantiomers
11/24/1991CA2083388A1 Support chiral liquid membrane for separation of enantiomers
11/21/1991EP0457359A1 Method of extracting organic compounds from water
11/19/1991US5066388 Process and apparatus for disengaging and separating bitumen from pulverized tar sands using selective cohesion
11/19/1991US5066386 Utilizes A Volatile Solvent Which Is Liquefied Under Pressure
11/17/1991WO1991018067A1 Countercurrent liquid/liquid extraction to fractionate complex mixtures containing medium and long chain fatty acid triglycerides
11/14/1991WO1991016984A1 An apparatus for grinding a sample of an organic material in a liquid and a system for analyzing a sample of an organic material
11/13/1991EP0456455A1 Phase transfer catalyst recovery
11/13/1991EP0455923A1 An apparatus for grinding a sample of an organic material in a liquid and a system for analyzing a sample of an organic material
11/08/1991CA2040098A1 Phase transfer catalyst recovery
10/1991
10/30/1991EP0454356A2 Process for separating extractable organic material from compositions comprising oil-in-water emulsion comprising said extractable organic material and solids
10/30/1991EP0454097A1 Labiatae derived antioxidant composition
10/29/1991CA1291359C Orange flavor and aroma compositions made by dense gas extraction of organic orange flavor and aroma compounds
10/24/1991CA2040173A1 Process for separating extractable organic material from compositions comprising oil-in-water emulsions comprising said extractable organic material and solids
10/22/1991US5059306 Process for removing pure aromatics
10/22/1991US5059288 Recovery of isopropyl acetate and ethanol from an isopropyl acetate, ethanol and water-containing stream
10/22/1991CA1290925C Apparatus for removing sulfur from organic polysulfides
10/16/1991CN1055393A Process for separation of yttrum
10/15/1991US5057222 Purification of PCNB by solvent extraction
10/09/1991EP0451003A1 Process for the separation of yttrium
10/09/1991EP0450378A2 Process and device for the treatment of products or of their mixtures
10/09/1991EP0450183A1 Method and apparatus for regulating fluid flow
10/09/1991EP0450182A2 Reusable cap with integral high pressure seal and method for use
10/09/1991EP0449976A1 AN EXTRACTION PROCESS AND APPARATUS TO REMOVE PCBs FROM SOIL AND SLUDGE
10/09/1991EP0334944A4 Apparatus and method for removing and recovering oil and/or other oil-based drilling mud additives from drill cuttings
10/09/1991CN1014238B Process for desulfurizing organic polysulfides
10/09/1991CN1014205B Apparatus for removing sulfur from organic polysulfides ir2850
10/09/1991CN1014204B Multistage counter-current washing disposition and their treatment method
10/08/1991US5055196 Comminuting and dispersing surfactant
10/08/1991US5054506 Rock and gravel cleaner
10/08/1991CA1290345C Method and apparatus for extracting fats and oils
10/03/1991WO1991014377A1 Processing of mixtures containing lipids and proteins and products so produced
10/03/1991WO1991014373A1 Lipid extraction and processing and products so obtained
10/03/1991WO1991013232A3 Process and apparatus for cleaning particulate solids
10/01/1991US5053563 Method to concentrate and purify alcohol
10/01/1991US5053082 Using cyclone separator and/or centrifuge