| Document |
Document Title |
|
WO/1993/012896A1 |
Oil, water and sand are separated from soil by screening and separation of coarse particles, agitating the soil in a solution of non-ionic biodegradable detergent to promote emulsification of the oil, separating sand from the emulsion, s...
|
|
WO/1993/012214A1 |
According to the invention the gases and liquid contained in the processed raw material (5) are used as extractants and after the extraction of the biologically active substance the extractant is at least one time reintroduced to the pro...
|
|
WO/1993/012161A1 |
A method for cleaning elastomeric articles comprising contacting the elastomeric article with at least one supercritical fluid under conditions and for a time sufficient to remove the phtalates and/or polynuclear aromatic hydrocarbons (P...
|
|
WO/1993/009859A1 |
A process is disclosed for removing hydrocarbons, cooling lubricants and/or oils from the surface of fine, in particularly anorganic chemical particles. The particles are submerged in an aqueous or water-containing cleaning solution, dis...
|
|
WO/1993/009429A1 |
A system and method for carrying out supercritical fluid extraction and gas chromatography simultaneously. Sample substances contained in solid (or liquid) matrices are extracted by means of supercritical fluid extraction (20) and carrie...
|
|
WO/1993/005895A1 |
The invention concerns a process for the decontamination of solid materials, in particular earth, by washing, in several stages, pre-screened particles with water and surface-active agents. The washing process is characterized by a first...
|
|
WO/1993/004793A1 |
The description relates to a process for treating contaminated substances, especially soils or liquids, in which a slurry of the contaminated substances is introduced into at least two coherent jets of pressurised water. The pressurised ...
|
|
WO/1993/004782A1 |
The description relates to a process for treating contaminated substances, especially soils or liquids, in which the contaminated substances are introduced into a rotary drum (2, 3) and are treated by a set of water jets directed towards...
|
|
WO/1993/004792A1 |
The description relates to a process for purifying contaminated liquids or contaminated pastes, powders and/or granulates in which the substance or the liquid is mixed with an inert additive with a grain size between 5 and 120 mm. At the...
|
|
WO/1993/004753A1 |
The equipment has a tube-shaped casing (1), in which an endless drag chain (2) connected to a driving mechanism is situated, to which trays (3) possessing a filter sheet (30) each are fastened with an interspace (g) one from another, a f...
|
|
WO/1993/004754A1 |
The invention relates to a process for the extraction of a granular and/or crushed solid with a liquid and for the pretreatment thereof to further extraction, where in the process, the solid is mixed with a liquid resulting in the chemic...
|
|
WO/1993/003827A1 |
A method for carrying out mass transfer processes in exchanging phase systems, liquid-liquid and liquid-gas, which provides for directing a flow of a non-wetting liquid between two membranes, and the a flow of a gas or of a wetting liqui...
|
|
WO/1993/004356A1 |
The physics of adhesion are applied to choosing surfactants that have Lewis acid-base and dispersion force interaction values which are required to optimally extract pollutants (10) from soils (12). This application is novel in predictin...
|
|
WO/1993/003064A1 |
Process for reducing the content of water and acetic acid in the cellulose acetate precipitated from the esterification solutions of cellulose consisting in submitting the precipitated acetate to extraction with a supercritical liquid.
|
|
WO/1993/001729A1 |
A process for extraction of a soluble component from a food material which process includes providing a food material to be extracted; an extracting liquid; and an enriching solution of the soluble component to be extracted; contacting t...
|
|
WO/1993/001000A1 |
Treatment of sewage solids, sand, rubbish and the like, especially for the dumping and/or incineration with a reduced pollutant and moisture content, or similar disposal with the mechanical separation of the solids from a solid-liquid mi...
|
|
WO/1993/001036A1 |
Used polyethylene film is shredded and subjected in a solvent bath containing an organic solvent with intense agitation, e.g. by mechanical stirring, to frictional surface cleaning and, at the same time to an extraction process without d...
|
|
WO/1992/022367A1 |
This invention is a continuous process for drying and solvent extraction of water-wet solids and sludges without experiencing sticky solids comprising the steps of (1) mixing the input solids or sludges with solvent, (2) feeding said mix...
|
|
WO/1992/020812A1 |
A process for producing chiral compounds of high optical purity wherein enzymes catalyse a reaction between chiral and non-chiral starting materials in supercritical carbon dioxide so that principally only one of the optically active iso...
|
|
WO/1992/019371A1 |
A centrifugal extraction apparatus comprising several stages (E1, E2, E3) arranged one on top of the other, and a fixed housing (10) in which bowls (22) are rotated at high speed by a single vertical shaft (18). Immiscible light and heav...
|
|
WO/1992/018422A1 |
This invention relates to compositions for the hydrometallurgical recovery of precious metals, and the use of certain of such compositions in other applications. The composition comprises: water, at least about 25 % by weight bromine, be...
|
|
WO/1992/017887A1 |
The present invention describes a process to separate magnesium from magnesium slag when the magnesium slag contains radioactive thorium and its daughters. The process concentrates the radioactive thorium and its radioactive daughters fr...
|
|
WO/1992/016289A1 |
Particulate material is treated by vibrating a channel member (7) arranged in a helical manner to cause the particulate material to move up the channel member from an input region to a higher discharge region (11). Liquid (22) to treat t...
|
|
WO/1992/015597A1 |
The present invention relates to a method to perform extraction in a closed system. In the method there is used a closed extraction system, comprising exchangeable reaction vessels (2A, 2B, 2C) and a reaction vessel (3) having one or mor...
|
|
WO/1992/015383A1 |
A device (1) adaptable to a container (2), particularly for vapour generating chemical reactions, comprises vapour condensation means (3) for a first phase of operation, means for the direct passage (4) of vapours from the inside (11) to...
|
|
WO/1992/014532A1 |
A cake containing sulfur and other materials in a base solvent (12), such as that resulting from a liquid redox hydrogen sulfide removal process, is purified to obtain elemental sulfur by preferential solubilization of the sulfur (10), e...
|
|
WO/1992/013620A1 |
An active liquid distributor containing, packed column wherein a casing contains perforated, active liquid frothing plates directly supporting packed beds filling the whole of the gas flow path in the casing. The total perforated, cross-...
|
|
WO/1992/013543A1 |
The invention relates to a method for obtaining a biological product from the silk worm larva and the substance resulting therefrom. The method is characterized in that, after commonly breeding larvas and feeding them with mulberry up to...
|
|
WO/1992/010263A1 |
A process and apparatus is provided in which aqueous based wastes are processed (100, 200, 300) to remove solids (100, 102, 110, 112), decant phase separated product (200, 202), optimize chemically for solvent extraction (208, 304), remo...
|
|
WO/1992/010239A1 |
A method of continuously decontaminating a material, where said material passes a charging sluice to a closed system, is extracted counterstream by means of an extractant in an extraction section including one or more extraction pipes pr...
|
|
WO/1992/009352A1 |
An improved method of and device for separating at least one kind of objective constituent from solution or solid particles containing at least kind of said objective constituents. The method of this invention is characterized in that: a...
|
|
WO/1992/009672A1 |
An oil sands separator includes a drum (10) having a solids discharge end (24) and a liquid discharge end (22) and a spiral ribbon (14) having a plurality of flights wound inside the interior of the drum. The spiral ribbon extends from t...
|
|
WO/1992/008363A1 |
There is described a process for extracting part of the lipids from a lipid or lipid containing mixture comprising contacting the lipid or mixture with a subcritical fluid at a suitable temperature and pressure and of a type such that pa...
|
|
WO/1992/006583A1 |
Apparatus for loading and processing raw materials without transfer operations. The apparatus comprises an elongate tank (10) and is characterized in that it includes a device (30) for tilting said tank (10) in order to place it (10) wit...
|
|
WO/1992/005851A1 |
An on-line supercritical fluid extraction multidimensional chromatographic system (10) and method is described which provides a cell (16) for extracting a target compound in supercritical fluid, and a restrictor interface (26) for trappi...
|
|
WO/1992/006058A1 |
A system of recovering at least one low molecular weight chemical compound carried in the high pressure effluent fluid stream from supercritical fluid extraction. This effluent stream flows through a heated capillary conduit (52) prefera...
|
|
WO/1992/005215A1 |
According to a process for recovering metals and coatings from composite materials, the composite materials are treated with specific solvents at a high temperature. In the case of metal/plastics composite materials, the plastics are dis...
|
|
WO/1992/004036A1 |
Described is a dry kava extract with a total kavalactone content of at least 50 % by wt. and a flavokavin content of at the most 0.3 % by wt. The extract is readily soluble in water and has high bio-availability following oral administra...
|
|
WO/1991/018067A1 |
Countercurrent liquid/liquid extraction processes for fractionating complex triglyceride mixtures to selectively remove "light" impurities (primarily MMM triglycerides) from MML/MLM triglycerides, or to selectively remove MML/MLM triglyc...
|
|
WO/1991/017816A1 |
The invention relates to a process for the high yield, cost efficient means of separating enantiomers. The process utilizes a supported liquid membrane and a chiral carrier which selectively complexes with one of the two enantiomeric opt...
|
|
WO/1991/016984A1 |
An apparatus (100) for grinding a sample of an organic material in a liquid comprises a housing (104) which defines a cylindrical grinding chamber for receiving the sample and the liquid. The grinding chamber has a cylindrical inner wall...
|
|
WO/1991/014377A1 |
There is described a process for recovery of at least part of the proteins and/or non-lipid-solids from an aqueous liquid containing lipids and proteins comprising bringing a supercritical fluid at a suitable temperature and pressure and...
|
|
WO/1991/014373A1 |
There is described a process for separating substantially all the lipids from an aqueous liquid containing lipids comprising contacting the liquid with a subcritical or supercritical fluid at a suitable temperature and pressure and of a ...
|
|
WO/1991/014075A1 |
Process and apparatus for cleaning solids contaminated with a solvent-soluble comtaminent, comprising: (a) slurry means (47) to mix the solids with a solvent; (b) cyclone means (55) to separate the slurry in an underflow of coarse partic...
|
|
WO/1991/013232A2 |
The invention relates to a process and apparatus for removing or cleaning contaminants from particulate solids and comprises at least two successive cleaning zones (A, B), each of which involves two stages. The initial stage (2, 12) invo...
|
|
WO/1991/012072A1 |
Disclosed are processes and apparatus for separating a desired solute (A), such as an optically active isomer, from a complex mixture (A, X, Y) using carrier (C) facilitated transport in an immobilized liquid membrane (50) or carrier (C)...
|
|
WO/1991/009810A1 |
The present invention discloses a process of extraction and filtration for removing iron impurities from the acid in used lead-acid batteries. Produced is a reclaimed battery acid which performs very well in new batteries and avoids cost...
|
|
WO/1991/008375A1 |
A method of removing oil from oily cuttings obtained from a drilling operation of oil or gas wells, in which the cuttings are exposed in an extractor chamber (12) to a solvent for the oil, such as toluene or other suitable stabilised gas...
|
|
WO/1991/005705A1 |
A liquid-solid contacting device which includes a plurality of chambers (101) for solid particulate material, such as zeolite for ion exchange is described. The chambers are mounted on a rotatable carriage (102) about a central axis (A)....
|
|
WO/1991/004678A1 |
A process for preparing nuts, particularly peanuts, of reduced calorific value by partially extracting oil from the nut kernels by extraction with supercritical carbon dioxide. The process involves pretreatment of the kernels, including ...
|
