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Selective differentiation

Subclass of:

209 - Classifying, separating, and assorting solids

209003000 - PRECEDENT PREPARATION OF ITEMS OR MATERIALS TO FACILITATE SEPARATION

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
209004000 Selective differentiation 34
20090000992COLOUR SORTING OF CATALYST OR ADSORBENT PARTICLES - Process for separating at least one type of catalyst or adsorbent particles having similar colours characterized in that such particles undergo an oxidative heating treatment for generating particle of different colours, and then particles are separated using a colour sorting process for separating at least one type of particles.01-01-2009
20110036758ELECTROSTATIC SEPARATOR FOR UNBURNED CARBON FROM COAL ASH USING ELECTROSTATIC INDUCTION TYPE EJECTOR TRIBOCHARGER - The present disclosure relates to an electrostatic separator for separating unburned carbon from coal ash using an electrostatic induction type ejector tribocharger, which can be operated based on difference in electrostatic polarity between the coal ash and the unburned carbon mixed with each other to thereby significantly improve charges and separation efficiency according to the amount of coal ash.02-17-2011
20110147277SORTING MINED MATERIAL - A method of sorting mined material to separate the mined material into at least two categories is disclosed. The method comprises exposing particles of the mined material to microwave energy and heating particles depending on the susceptibility of the material in the particles. The method also comprises allowing sufficient time for heat generated in the particles to be transferred through the particles so that the surface temperature of the particles is a measure of the mass average temperature through the particles. The method further comprises thermally analysing the particles to detect temperature differences between particles which indicate composition differences between the particles; and thereafter sorting the particles on the basis of the results of the thermal analysis.06-23-2011
20110226674Mixture of collectors for flotation of clay minerals from potash ores - The invention relates to a flotation process for removal of slimes from potash ores which includes a step in said process wherein a collector is used which is a mixture of ethoxylated fatty amines having the formulae (I) wherein R1 and R2 are, independently, a hydrocarbyl group having 1-22 C-atoms, and n is on average above 15 and less than 100, and (II) wherein R3 is a hydrocarbyl group having 8-22 carbon atoms; z is a number 1-3; X, Y and Y′ are, independently, an alkyl group with 1-4 carbon atoms or the group -(EO)09-22-2011
20120024761METHODS TO SLICE A SILICON INGOT - The present disclosure generally relates to methods for recovering silicon from saw kerf, or an exhausted abrasive slurry, resulting from the cutting of a silicon ingot, such as a single crystal or polycrystalline silicon ingot. More particularly, the present disclosure relates to methods for isolating and purifying silicon from saw kerf or the exhausted slurry, such that the resulting silicon may be used as a raw material, such as a solar grade silicon raw material.02-02-2012
20120234730RADIATION ASSISTED ELECTROSTATIC SEPARATION OF SEMICONDUCTOR MATERIALS - A method of separating material includes providing a mixture of a first material, such as a semiconductor, and a second material, such as an insulator or a different semiconductor. The mixture can be irradiated using a light source at a wavelength that causes the first material's conductivity to increase while leaving the second material's conductivity (substantially) unchanged. Placing the mixture in contact with a ground electrode discharges the first material but not the second material due the difference in their conductivities. Applying an electric field to the discharged mixture separates the discharged first material from the second material.09-20-2012
20120325725Flotation Reagent For Iron Ores Containing Magnetite And/Or Haematite - The present invention relates to a flotation reagent for iron ores containing magnetite and/or haematite and to the use of a composition containing A) at least one amine alkoxylate ester of formula (I) or a salt thereof,12-27-2012
20130001137NANOPARTICLE FLOTATION COLLECTORS - The present disclosure relates to a process for collecting a particulate material from a mixture comprising treating the mixture with hydrophobic nanoparticles under conditions to adsorb the hydrophobic nanoparticles to the particulate material and collecting the particulate material by flotation.01-03-2013
20130180891ELECTROSTATIC SEPARATION OF A MIXTURE OF VALUABLE MATERIALS, E.G., A MINERAL SALT MIXTURE, BY MEANS OF A PIPE SEPARATOR, AND DEVICE FOR ELECTROSTATICALLY SEPARATING SUCH A MIXTURE OF VALUABLE MATERIALS BY MEANS OF A PIPE SEPARATOR, AND METHOD FOR ELECTROSTATIC SEPARATION - The invention relates to a pipe separator (07-18-2013
20140197076ACTIVATED FLOTATION CIRCUIT FOR PROCESSING COMBINED OXIDE AND SULFIDE ORES - A method of extracting targeted metallic minerals from ores that contain sulfide metallic minerals along with oxide minerals, carbonate minerals, silicate minerals, halide minerals or combinations thereof. In the method, an ore slurry containing the metallic mineral in oxide, carbonate, silicate or halide form is provided. The slurry is activated by adding sodium thiosulfate and sodium metabisulfite, whereby the targeted metallic mineral forms an intermediary metal complex with the sodium thiosulfate and sodium metabisulfite. One or more metal release components are introduced into the ore slurry; whereby the targeted metallic mineral is released from the intermediary metal complex to form a metal sponge. This metal sponge is then subjected to a flotation process, whereby the targeted metallic mineral is drawn out of the ore slurry and thereby extracted from the ore.07-17-2014
20140374323Apparatus for Separating Particles Utilizing Engineered Acoustic Contrast Capture Particles - An apparatus for separating particles from a medium includes a capillary defining a flow path therein that is in fluid communication with a medium source. The medium source includes engineered acoustic contrast capture particle having a predetermined acoustic contrast. The apparatus includes a vibration generator that is operable to produce at least one acoustic field within the flow path. The acoustic field produces a force potential minima for positive acoustic contrast particles and a force potential minima for negative acoustic contrast particles in the flow path and drives the engineered acoustic contrast capture particles to either the force potential minima for positive acoustic contrast particles or the force potential minima for negative acoustic contrast particles.12-25-2014
209005000 Deflocculation and flocculation 6
20090200213Oil/Water Separation of Full Well Stream By Flocculation-Demulsification Process - A process for the separation of production fluids is provided. The production fluids comprise an oil/water emulsion stabilized with fine solids. The emulsion may further comprise asphaltenes and naphthenic acids and resins. The process includes subjecting the emulsion to a flocculating agent to flocculate solids within the emulsion, and separating water and solids from crude oil in a first separator. The process further includes subjecting the separated crude oil to a demulsifier after subjecting the emulsion to a flocculating agent, and further separating water from the crude oil in a second separator. A process for producing fluids from a hydrocarbon-bearing reservoir is also provided, using the separation processes herein.08-13-2009
20130341250PROCESS FOR WET HIGH INTENSITY MAGNETIC SEPARATION WITH FLUX AMPLIFYING MATRIX - A method, process or system for producing an iron oxide concentrate from a treatment slurry of a low grade mineral assemblage includes mixing a flocculant with the treatment slurry and dewatering the treatment slurry before passing the treatment slurry through a wet high intensity magnetic separator of a type that employs a flux amplifying matrix (i.e., a WHIMS-FAM device) and recovering an iron oxide concentrate fraction and a tailings fraction from the WHIMS-FAM device. Another method, process or system for producing an iron oxide concentrate includes passing the treatment slurry through a WHIMS-FAM device and recovering an iron oxide concentrate fraction slurry and a tailings fraction slurry from the WHIMS-FAM device; mixing a flocculant with the concentrate fraction slurry and dewatering the concentrate slurry to provide a thickened concentrate slurry before filtering the thickened concentrate slurry to provide a concentrate filter cake.12-26-2013
20140124414METHOD FOR OBTAINING NON-MAGNETIC ORES FROM A SUSPENSION-LIKE MASS FLOW CONTAINING NON-MAGNETIC ORE PARTICLES - A method obtains non-magnetic ores from a suspension-like mass flow containing non-magnetic ore particles. The method involves mixing the mass flow with magnetic particles in a mixing device and forming ore particle-magnetic particle agglomerates, feeding the mass flow as a separator feed flow to a magnetic separator for separating the ore particle-magnetic particle agglomerates from the mass flow, forming a separator concentrate flow containing ore particle-magnetic particle agglomerates and a separator residual flow containing the remaining constituents of the mass flow, and separating the ore particles from the ore particle-magnetic particle agglomerates contained in the separator concentrate flow. At least one information indicating a measurement of the content of ore particles or magnetic particles in the separator feed flow and/or the separator concentrate flow and/or the separator residual flow is determined for determining an efficiency of at least one of the mixing apparatus and/or the magnetic separator.05-08-2014
20140124415METHOD FOR OBTAINING NON-MAGNETIC ORES FROM A SUSPENSION CONTAINING ORE PARTICLE-MAGNETIC PARTICLE AGGLOMERATES - A method obtains non-magnetic ores from a suspension containing ore particle-magnetic particle agglomerates. The method involves dividing ore particle-magnetic particle agglomerates precipitated from the suspension into a mixture of separately present ore particles and magnet particles, separating the magnetic particles from the mixture, forming a first mass flow containing magnetic particles and a second mass flow containing ore particles. At least one information describing a measure of the content of ore particles in the first mass flow and being associated with the first mass flow and/or at least one information describing a measure of the portion of magnetic particles in the second mass flow and being associated with the second mass flow are determined in order to determine the efficiency of at least one of the separation processes described above.05-08-2014
20150298362SEPARATING DEVICE AND SEPARATING METHOD OF MATERIAL OF ABSORBENT ARTICLE - A separating device that separates particulate superabsorbent polymers and liquid absorbent fibers included in a material of an absorbent article. The device includes: a belt member that moves along a predetermined moving direction while receiving the falling material on an upper surface; and an airflow supply mechanism that supplies an airflow in a direction opposite to the moving direction of the belt member, along the upper surface from a downstream side of the moving direction relative to a position where the material falls. In a case the superabsorbent polymers are sent to the downstream side of the moving direction by movement of the belt member, the airflow rolls the liquid absorbent fibers on the upper surface of the belt member and forms fiber balls while regulating movement of the liquid absorbent fibers to the downstream side of the moving direction, to separate the liquid absorbent fibers and the superabsorbent polymers.10-22-2015
20160114338CATIONIC COLLECTORS WITH MIXED POLYAMIDOAMINES AND METHODS FOR MAKING AND USING SAME - Compositions that include a polyamidoamine, aqueous mixtures that include the polamidoamine and an ore, and methods for making and using same. The composition can include a polyamidoamine having the chemical formula (A). In the chemical formula (A), R04-28-2016
209007000 Form 5
20110011773Separation of Nanostructures - The present invention generally relates to the separation of one or more populations of nanostructures from one or more other populations of nanostructures based upon differences in density. An overall mixture of very similar or identical nanostructures may be exposed to a set of conditions under which one population of the nanostructures is affected differently than the other, allowing separating on the basis of differences in density.01-20-2011
20110024333Method for separating nanotubes using microwave radiation - A method for separating carbon nanotubes is disclosed where nanotubes with specific properties are separated from a mixture of nanotube products, which contains various types of nanotubes and impurities.02-03-2011
20110089085PROCESS FOR PRODUCING TONER - A process for producing a toner with which toner particles can be highly conglobated, a toner that hardly causes fogging in an image, and an yield of toner is increased is provided.04-21-2011
20110094941METHOD AND EQUIPMENT FOR CONDITIONING LOW-METAL PLASTIC SCRAP - In a method and an arrangement for treating a light fraction that is produced during the treatment of plastic-rich waste that is low in metal, at least the following steps are carried out consecutively: the light fraction is stressed by percussion and/or bashing, the light fraction is classified into at least two light fraction classes, at least one light fraction class is separated into at least one light material fraction and a heavy material fraction, at least one light material fraction is cleaned. The cleaning of the light material fraction (fibrous material), obtained after the separation, provides a very clean initial substance to be obtained, resulting in clearly improved material recycling and energy recovery.04-28-2011
20110120919INORGANIC PARTICLES COMPRISING AN ORGANIC COATING THAT CAN BE HYDROPHILICALLY/HYDROPHOBICALLY TEMPERATURE CONTROLLED - The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises the following steps: 05-26-2011
209008000 Magnetizing and demagnetizing 12
20100300941PROCESSING RICH ORES USING MAGNETIC PARTICLES - The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises the following steps: 12-02-2010
20110042276Separation of Carbon Nanotubes Using Magnetic Particles - The present disclosure generally describes techniques for separating semiconducting carbon nanotubes from metallic carbon nanotubes in a carbon nanotube dispersion. The semiconducting carbon nanotubes and metallic carbon nanotubes may be provided and dispersed in a fluid. Once the semiconducting carbon nanotubes attach to the amine-coated magnetic particles, a magnetic field may be applied to the amine coated magnetic particles and attached semiconducting carbon nanotubes to attract and hold at least a portion of the semiconducting carbon nanotubes, so that the semiconducting carbon nanotubes may be separated from the fluid and/or metallic carbon nanotubes.02-24-2011
20110127201MODIFIED HIMS PROCESS - The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material using magnetic particles with which the at least one first material agglomerates.06-02-2011
20110132810METHOD AND APPARATUS FOR SORTING CARBON NANOTUBES - A process of sorting metallic single wall carbon nanotubes (SWNTs) from semiconducting types by disposing the SWNTs in a dilute fluid, exposing the SWNTs to a dipole-inducing magnetic field which induces magnetic dipoles in the SWNTs so that a strength of a dipole depends on a conductivity of the SWNT containing the dipole, orienting the metallic SWNTs, and exposing the SWNTs to a magnetic field with a spatial gradient so that the oriented metallic SWNTs drift in the magnetic field gradient and thereby becomes spatially separated from the semiconducting SWNTs. An apparatus for the process of sorting SWNTs is disclosed.06-09-2011
20110132811METHOD AND APPARATUS FOR SORTING CARBON NANOTUBES - A process of sorting metallic single wall carbon nanotubes (SWNTs) from semiconducting types by disposing the SWNTs in a dilute fluid, exposing the SWNTs to a dipole-inducing magnetic field which induces magnetic dipoles in the SWNTs so that a strength of a dipole depends on a conductivity of the SWNT containing the dipole, orienting the metallic SWNTs, and exposing the SWNTs to a magnetic field with a spatial gradient so that the oriented metallic SWNTs drift in the magnetic field gradient and thereby becomes spatially separated from the semiconducting SWNTs. An apparatus for the process of sorting SWNTs is disclosed.06-09-2011
20110240527ENRICHMENT OF ORES FROM MINE TAILINGS - The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material in an amount of from 0.001 to 1.0% by weight, based on the total mixture, and at least one second material, which comprises at least the following steps: 10-06-2011
20110309003MAGNETIC HYDROPHOBIC AGGLOMERATES - The present invention relates to an agglomerate of at least one particle P which is hydrophobicized on the surface with at least one first surface-active substance and at least one magnetic particle MP which is hydrophobicized on the surface with at least one second surface-active substance, a process for producing it and also the use of these agglomerates.12-22-2011
20120067787METHODS, SYSTEMS, AND DEVICES FOR SEPARATING MATERIALS USING MAGNETIC AND FRICTIONAL PROPERTIES - A method for separating mixtures of solid materials includes incorporating a ferromagnetic particulate material into a mixture of solid materials and, after the incorporating step, separating the mixture of solid materials into at least two groups based on the magnetic and frictional properties of the different components of the mixture of solid materials. The ferromagnetic particulate material can differentially incorporate into or adhere to different components of the mixture of solid materials. The different components of the mixture have different frictional properties and, after the incorporating step, the different components have different magnetic properties.03-22-2012
20120292233SYSTEMS AND METHODS FOR PARTICLE FOCUSING IN MICROCHANNELS - Various systems, methods, and devices are provided for focusing particles suspended within a moving fluid into one or more localized stream lines. The system can include a substrate and at least one channel provided on the substrate having an inlet and an outlet. The system can further include a fluid moving along the channel in a laminar flow having suspended particles and a pumping element driving the laminar flow of the fluid. The fluid, the channel, and the pumping element can be configured to cause inertial forces to act on the particles and to focus the particles into one or more stream lines.11-22-2012
20130319912MAGNETIC SEPARATION OF PARTICLES INCLUDING ONE-STEP-CONDITIONING OF A PULP - The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises contacting of the mixture comprising at least one first material and at least one second material with at least one magnetic particle, or contacting of the mixture comprising at least one first material and at least one second material with at least one magnetic particle and at least one surface-modifying substance at the same time, contacting of the mixture from step (A) with at least one surface-modifying substance, if this has not been done in step (A), so that the at least one first material, the at least one surface-modifying substance and the at least one magnetic particle become attached to one another, and separation of the addition product by application of a magnetic field.12-05-2013
20140262967SEPARATING A POWDER MIXTURE - A method of separating a powder mixture is disclosed. A first magnetic field is applied to the powder mixture which may contains a non-magnetic metal powder and a contaminant powder. A field strength of the first magnetic field magnetizes the non-magnetic metal powder and leaves the contaminant powder non-magnetized. A second magnetic field is applied to the powder mixture to separate the magnetized metal powder from the non-magnetized contaminant powder.09-18-2014
20160008822METHOD FOR SEPARATING A DEFINED MINERAL PHASE OF VALUE FROM A GROUND ORE01-14-2016
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