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WO/1997/017601A1 |
The present invention provides a process for the extraction and purification of predetermined chemical compounds, e.g., dioxin derivatives from a sample matrix, e.g., blood serum. The present invention chemically destroys potentially int...
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WO/1997/017121A1 |
A method for mixing/separating two non-miscible liquids having different densities, and a device therefor, are disclosed. Fractions removed from the mixer and pre-settled on the way therefrom to the the settling device are then recovered...
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WO/1997/014488A1 |
The multistage three-phase extractor has nozzles (7, 8) for supplying and nozzles (10, 11) for removing first and second dispersed phases and has contact stages (3) arranged one below the other. Each stage comprises two interconnected ch...
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WO/1997/014487A1 |
The multi-stage extraction process is carried out in an extraction apparatus comprising a plurality of stages joined one after the other. Each stage comprises one extraction chamber and one re-extraction chamber. In the extraction chambe...
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WO/1997/014486A1 |
The multiple phase extractor has at least two chambers (1, 1a, 2, 2a) connected in their upper and lower sections by connecting channels (4). The chambers are fitted with dispersion devices (3, 4a) for producing a droplet cloud of a firs...
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WO/1997/013567A1 |
An extraction method is disclosed, wherein organic impurities are removed from a phase essentially comprising sulfuric acid, by means of supercritical or liquid carbon dioxide. In particular, the spent sulfuric acid from a process for pr...
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WO/1997/010886A1 |
An agitated-packed column (12) utilizing structured packing (20) of the plate variety secured in the calming sections (14) thereof. The structured packing (20) is divided into bundles of corrugations angularly oriented one to the other. ...
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WO/1997/005194A1 |
A method and apparatus for continuously separating polymer from a plastic, and the resulting separated polymer. The plastic is made flowable into a stream through melting or solubilizing. A critical fluid, such as supercritical carbon di...
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WO/1997/000714A1 |
A method for the extraction purification of at least one substance to be isolated from a liquid medium, comprising the steps of adding to the liquid medium a vapour-entrainable organic compound having a Lewis-type acid-base molecule wher...
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WO/1997/000109A1 |
A solvent extraction apparatus comprising a heating plate or the like (9), a boiling vessel (5) for a solvent, an extraction thimble (3) for a sample to be extracted and a cooler (1) for condensing evaporated solvent vapours, which coole...
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WO/1997/000442A1 |
This invention provides a microfabricated extraction system and methods for extracting desired particles from a sample stream containing desired and undesired particles. The sample stream is placed in laminar flow contact with an extract...
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WO/1996/041855A1 |
A method of continuous solvent extraction of waxes contained in the solid residue separated from squeezed sugar cane juices at a high extraction efficiency in a substantially uniform extraction time, which method comprises mixing the sol...
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WO/1996/041029A2 |
A process for the extraction of Ni/Co values from an ore or concentrate comprises the steps of subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halide, copper and sulphat...
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WO/1996/041026A1 |
A process for the extraction of a metal from an ore or concentrate comprises subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containig halogen ions and a source of bisulphate or su...
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WO/1996/041027A1 |
A process for the extraction of a metal from an ore or concentrate comprises subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halogen ions and a source of bisulphate or s...
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WO/1996/038381A1 |
A method of biotreating a solid material to remove an undesired compound using a nonstirred surface bioreactor is provided. According to the method, the surface of a plurality of coarse substrates is coated with a solid material to be bi...
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WO/1996/037518A1 |
Method for extracting and producing hydrocolloidal polymers from animal or plant material, including the steps of comminuting (2) the animal or plant material (4) to a given particle size and diluting (5) it in water in a ratio dependent...
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WO/1996/031537A1 |
The present invention is directed to diagnostic and therapeutic methods based on the unexpected discovery that certain antibacterial proteins, in particular lysozyme and lactoferrin, bind to advanced glycosylation endproducts (AGEs) with...
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WO/1996/028178A1 |
The present invention relates to the preparation of novel polyphenol fractions of Camellia sinensis (tea), the use thereof and formulations containing them. The invention relates specifically to the preparation of extracts deprived of ca...
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WO/1996/027418A1 |
An extraction cell apparatus (10) for use in elevated pressure and temperature fluid extractions having a pressure resistant vessel (12) forming a cavity (11), and at least one shoulder portion (13) defining an opening (14) communicating...
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WO/1996/027417A1 |
An apparatus (21) for automated extraction of an analyte from a sample positioned in a sample containment cell (22) having a fluid passageway structure for communication of an extraction fluid to and from the cavity of the cell (22). The...
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WO/1996/025213A1 |
The present invention pertains to an apparatus for gathering analyte (10). The apparatus (10) comprises a pumping mechanism (12) for pumping solvent at supercritical pressure. The apparatus (10) also comprises an extraction mechanism (14...
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WO/1996/024630A1 |
A novel technique to treat post-consumer polyester for reuse in food-contact applications is described. The process comprises contacting contaminated post-consumer polyester flake with at least one extraction solvent which is soluble in ...
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WO/1996/022822A1 |
A method for the recovery of extractant from the aqueous effluent continuously exiting from a solvent extraction circuit, in which the effluent is contacted with the same water-immiscible diluent being used in the circuit as solvent for ...
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WO/1996/021525A2 |
The device proposed has a washing tank (1) having a perforated floor with nozzles for feeding in washing water and agitator gas and openings to permit the washing water to be drained off. Thorough on-the-spot cleaning of the soil is ensu...
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WO/1996/019593A1 |
A process for the extraction of copper from a sulphide copper ore or concentrate comprises subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic chloride solution to obtain a resulting pressure o...
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WO/1996/018445A1 |
According to the process, a solid or liquid phase containing the compounds to be separated is contacted with a supercritical fluid in the extractor (1), and the supercritical fluid charged with compounds and coming out of the extractor (...
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WO/1996/013624A1 |
This invention relates to a process for making copper wire (12) comprising: (A) contacting a copper-bearing material with an amount of at least one aqueous leaching solution to form a copper-rich aqueous leaching solution; (B) contacting...
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WO/1996/012540A1 |
In order to facilitate diffusive transfer of an entity such as a solute between immiscible fluids and subsequent separation of the liquids without mixing, method and apparatus are disclosed having first and second flow paths (1, 2) carry...
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WO/1996/012541A1 |
In order to facilitate diffusive transfer of an entity such as a solute between immiscible fluids and subsequent separation of the fluids without mixing, method and apparatus are disclosed having first and second fluid flow paths (11, 12...
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WO/1996/011737A1 |
In a red mud dewatering/filtering and washing process, optionally with admixture of sand, in particular for red mud from a Bayer process for extracting aluminium from bauxite, filters are used and the lye deposited on the filters is wash...
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WO/1996/012194A1 |
A method and an apparatus for on-line flow extraction of extractable components, such as dissolved substances and colloidal particles, in liquids. The invention refers to a method including following consecutive steps: (a) providing in a...
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WO/1996/011297A1 |
A method of washing cellulosic pulp to remove dissolved solids as well as dirt, inorganic fillers and fiber debris from the pulp. A thin mat of cellulosic pulp having a weight of 3 to 100 pounds of dry fiber per 1000 sq.ft. is applied to...
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WO/1996/011043A1 |
A liquid high pressure spraying extraction process by means of compressed gas is disclosed. A liquid and a gas are mixed in a mixing zone and substances contained in the spray particles that leave the mixing zone are separated in a separ...
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WO/1996/006138A1 |
The invention concerns a method of extracting carotinoid dyes from pre-dried natural basic materials by means of compressed gases, such as propane and/or butane. In order to facilitate and complete the extraction process, organic entrain...
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WO/1996/005902A1 |
Method/apparatus for extracting substance (60) from carrier liquid (50) in first container (10) into an immiscible extraction liquid (40) of different density in second container (20, 120) receiving and locating (22, 11) the first (10). ...
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WO/1996/003192A1 |
The invention relates to a Soxhlet type asphalt extractor for extracting through a filter (3) asphalt in an asphalt mixture (C) within the filter (3) by condensing a solvent (A), which has evaporated from a flask (1), in a cooler (4) and...
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WO/1996/001144A1 |
Described is a method and device for the removal of filling fluid and/or other soluble residues from the bore cavities of bundles of hollow fibres. The bundles of fibres are first precleaned by centrifuging and subsequently cleaned by sp...
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WO/1996/000603A1 |
Improved separation of emulsified hydrophobic organic soils can be obtained from aqueous effluents using an amphoteric carboxylate surfactant material in combination with cationic destabilizer or flocculent materials. Such a treatment in...
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WO/1995/034360A1 |
Methods for the solvent extraction of organic analytes from a sample in an extraction cell (25) are provided. An organic solvent from a reservoir (17) is used to extract analytes under elevated temperatures and pressures below supercriti...
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WO/1995/033541A1 |
A method of extracting metalloid and metal species from a solid or liquid material by exposing the material to a supercritical fluid solvent containing a chelating agent is described. The chelating agent forms chelates that are soluble i...
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WO/1995/033542A1 |
A method for extracting metalloid and metal species from a solid or liquid material by exposing the material to a fluid solvent, particularly supercritical carbon dioxide, containing a chelating agent is described. The chelating agent fo...
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WO/1995/032177A1 |
Recovery of carboxylic acid from an amine-based, water-immiscible organic extractant solution thereof that contains an enhancer, by extraction of the acid into an aqueous phase. A low molecular, at least partly water-miscible organic com...
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WO/1995/028999A1 |
A method of extracting metal species from a metal species containing medium which comprises contacting the medium with an extractant solvent which comprises a supercritical fluid and a complexant for solubilising metal species in the sai...
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WO/1995/029000A1 |
A method of extracting ionic species from a host medium containing such species which comprises contacting the medium with an extractant solvent which comprises a supercritical fluid and a complexant for solubilising and extracting the i...
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WO/1995/028409A1 |
A reagent, method and container for the isolation of cellular components such as ribonucleic acid (RNA) from cells in a liquid solution. The container includes a cover assembly and a holder which is normally closed by the cover assembly ...
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WO/1995/026794A1 |
A process for extracting a compound or composition of matter from a raw material containing that compound or composition as a constituent part is described. The process comprises the steps of (1) contacting a sample of the raw material w...
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WO/1995/021902A1 |
A process comprising combining the heavy oil still residue and propane in conduits (146) and pumping mixture through static mixer (300). The mixture is then passed through heat exchanger (301) and flows via (302) to an extraction vessel ...
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WO/1995/019319A1 |
A process for producing manganese dioxide characterized by the steps of: (1) reacting manganese oxide with an aqueous chloric acid solution wherein the chloric acid is in molar excess to the manganese oxide in a reaction zone to form a r...
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WO/1995/018834A1 |
A process for separating a first component of a composition from a second component of a composition. The process involves contacting the composition with a supercritical fluid comprising 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptaf...
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