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| Number | Title | Issue Date |
| 8051985 | Method of removing unburned carbon from coal ash A method comprising; a step in which unburned carbon contained in coal ash is mechanically separated with a classifier; a step in which the coal ash from which part of the unburned carbon has been removed with the classifier is pulverized or disaggregated with a pul... | 11/08/2011 |
| 7918343 | Systems and methods for glass recycling at a beneficiator The invention provides systems and methods for obtaining recycled mixed cullet at a beneficiator. The recycled mixed cullet can be used by glass plants to make new glass articles, such as beverage bottles. ... | 04/05/2011 |
| 7802685 | Multistep separation of plastics Multistep recycling processes for preparing recycled plastic materials. The processes feature a sequence of operations selected from the group consisting of preprocessing operations, size reduction operations, gravity concentration operations, color sorting, sorting... | 09/28/2010 |
| 7726491 | Bituminous froth hydrocarbon cyclone An apparatus for processing bitumen froth comprising a cyclone body having an elongated conical inner surface defining a cyclone cavity extending from an upper inlet region with a diameter DC to a lower apex outlet with a diameter DU of not less than about 40 mm; an... | 06/01/2010 |
| 7591376 | Methods for fractionating a machining suspension using destabilization and separation steps The invention relates to a matrix liquid for producing machining suspensions, a machining suspension produced with the matrix and a method of fractionating the used machining suspension yielded after use. The invention also relates to a homogeneous mixture of a poly... | 09/22/2009 |
| 7438807 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 10/21/2008 |
| 7438189 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process An apparatus for separating bitumen from a bitumen froth output of a oil sands hot water extraction process comprises an inclined plate separator (IPS) for providing a first bitumen separation stage and a cyclone for providing a second bitumen separation stage. The ... | 10/21/2008 |
| 7389880 | Unit and method for processing of shredder residues and uses of a sand fraction produced thus A method and system are for sorting shredder residues of metal-containing wastes, in particular of body shells Shredder residues are separated into a shredder light fraction and a non-ferromagnetic fraction (shredder heavy fraction). During the sorting of the shredd... | 06/24/2008 |
| 7383956 | Woodwaste recycling apparatus and method A woodwaste processing trommel apparatus has a rotating trommel for receiving and separating woodwaste by size. An elongated electrode is mounted within the trommel and has a polarized electric charge thereon for attracting plastic pieces having a static electric ch... | 06/10/2008 |
| 7380617 | Drill cuttings handling apparatus A drill cuttings handling system apparatus for use on an oil and gas drilling rig located on a drilling platform where the platform has drilling equipment that includes a system for circulating drilling mud through the borehole created by the drilling equipment that... | 06/03/2008 |
| 7379788 | Manufactured article treatment processing system A manufactured article treatment processing method and system includes reading out from a manufactured article being subjected to treatment information of component parts of the article and specific properties of the component parts, extraction of the component part... | 05/27/2008 |
| 7314139 | Process for sulphide concentration The present invention relates to a gravity/flotation circuit where a mineral stream, such as a flotation rougher or cleaner concentrate, undergoes a two stage size separation wherein: i) the screen of the first stage provides a coa... | 01/01/2008 |
| 7309445 | Transferring slurry from a vessel Apparatus for transferring slurry from a vessel having a plurality of slurry collection points. The apparatus includes a manifold having a plurality of inlets in flow communication with one or more outlets and a plurality of pressure-reducing cyclones. Each cyclone ... | 12/18/2007 |
| 7304258 | System for transporting and selectively sorting particles and method of using the same A system for transporting and selectively sorting particles includes a first wall and a traveling wave grid extending along the first wall. The system includes a second wall having a passage extending therethrough and a gate operatively associated with the passage. ... | 12/04/2007 |
| 7255233 | Method and apparatus for separating mixed plastics using flotation techniques A method and apparatus are provided for separating mixed plastics using flotation techniques including a first stage initial washing tank for washing of incoming plastics and providing a first separation process and at least one separation module. The first stage in... | 08/14/2007 |
| 7217901 | System for transporting and selectively sorting particles and method of using the same A system for transporting and selectively sorting particles includes a first wall and a traveling wave grid extending along the first wall. The system includes a second wall having a passage extending therethrough and a gate operatively associated with the passage. ... | 05/15/2007 |
| 7185756 | Discharge device for worked material A discharge device for worked material is provided. The worked material produced by the press working is received on a chute arranged just below a lower die. The chute is driven to make a reciprocating motion within a substantially horizontal plane in response to a ... | 03/06/2007 |
| 7172143 | Method and plant for separating polymeric materials A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit... | 02/06/2007 |
| 7172706 | Liquid separator A liquid separator for separating water from a mixture of water and fuel includes a flow dispersion member which serves to control the flow of the mixture into, through, and out of the liquid separator. The flow dispersion member is placed between a flow inlet chann... | 02/06/2007 |
| 7172074 | Concentration/calcination process of zinc silicated minerals and concentrate zinc silicate based product A concentration process of zinc silicated minerals, particularly willemite and calamine concentration, by single operations, or conventional steps of ore treatment, some of which include the following: Preparation of stockpiles of different mineralogical and content... | 02/06/2007 |
| 7147788 | Separating a hydrocarbon production stream into its oil, water and particle constituents A separation method and apparatus are disclosed having particular application for effecting removal of sand from a production wellstream, enhancing the quality of recovered oil, gas and water output streams (12, 13, 14) and reducing erosion caused by entraine... | 12/12/2006 |
| 7141162 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 11/28/2006 |
| 7104394 | Conveying apparatus with piezoelectric driver A conveying apparatus comprises an elongated conveying bed which includes a proximal end and a distal end. A support structure for the conveying bed accommodates vibratory motion of a portion of the conveying bed extending from the proximal end a substantial distanc... | 09/12/2006 |
| 7052599 | Method and apparatus for reuse of abrasive fluid used in the manufacture of semiconductors An apparatus and method recycles the abrasive fluid or slurry effluent used in the polishing step in the manufacture of semiconductors. Agglomerations of abrasive grains built up in the slurry effluent are crushed using a mill, ultrasonic oscillation, or pressurized... | 05/30/2006 |
| 7028845 | PH adjustment in the flotation of sulphide minerals The present invention relates generally to a process for flotation of sulphide minerals where a flotation pulp is separated into a coarse stream and a fine stream, preferably containing particles coarser than about 30 micron and particles finer than about 30 micron,... | 04/18/2006 |
| 7014132 | Method and plant for separating polymeric materials A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit... | 03/21/2006 |
| 6956217 | Mass separator with controlled input A device for separating particles according to their respective masses includes a substantially cylindrical wall of inner radius, “Rwall”, that surrounds a chamber and defines a longitudinal axis. A multi-species plasma having relatively cold ions is ... | 10/18/2005 |
| 6953120 | Method of recovering metal and/or oxide thereof in a slurry and tailings obtained from said method A method of recovering metal and/or oxide thereof from a slurry is described. The method involves magnetically separating at least a portion of any magnetic impurities from the slurry and then leaching or dissolving at least a portion of any remaining magnetic impur... | 10/11/2005 |
| 6953517 | Plant for the treatment of residue In order to make it possible for an inhomogeneous residue generated in a pyrolysis plant to be separated continuously and in as fully graded a way as possible, specially selected components are combined with one anther in an advantageous configuration. An essential ... | 10/11/2005 |
| 6945407 | Flotation of sulphide minerals The present invention relates generally to a process and an apparatus for flotation of sulphide minerals, such as sulphide minerals hosted in ores rich in magnesium minerals. The process involves grinding of the nickel ore rich in magnesium minerals and thereafter s... | 09/20/2005 |
| 6939469 | Band gap mass filter with induced azimuthal electric field A band gap mass filter for separating particles of mass (M1) from particles of mass (M2) in a multi-species plasma includes a chamber defining an axis. Coils around the chamber generate an axially aligned magnetic field defined (B=B0... | 09/06/2005 |
| 6915908 | Method of decontaminating soil A method for decontaminating soil containing inorganic contaminants having a degree of liberation of at least 60%, comprising the steps of removing from a coarse fraction at least a portion of inorganic contaminants in particulate form contained therein with a jig t... | 07/12/2005 |
| 6852239 | Energy-efficient duct, head cell with duct and methods A duct for conveying influent to a head cell having multiple, vertically aligned trays has an inlet end and an outlet end. The inlet end can be connected to an influent channel positioned at a level above the head cell apparatus. The outlet end is positioned downstr... | 02/08/2005 |
| 6837990 | Vacuum cyclone for off-loading shrimp and other small seafood A new vacuum cyclone seafood collection retainer is disclosed. Two men easily assemble this new cyclone collection retainer, made in portable sections, and the sections can be rotated for best orientation of the hose connections. This vacuum cyclone facilitates the ... | 01/04/2005 |
| 6811031 | Method and device for separating ore Methods and devices for separating ore extract valuable minerals. Valuable minerals are typically found encased in rock in modest concentrations. For the minerals to be useful, they must be separated from the rock and purified. Methods and devices for separating ore... | 11/02/2004 |
| 6805242 | Method of reducing phosphate ore losses in a desliming process The specification describes one or more embodiments of the present invention, which relates to a method of reducing phosphate ore losses in a desliming process. A phosphate ore preparation slurry is directed to a desliming unit; surfactants and/or an organic polymer... | 10/19/2004 |
| 6797176 | Plasma mass filter with inductive rotational drive A device for separating high mass to charge particles (M1) from low mass to charge particles (M2) in a plasma includes a cylindrical wall that surrounds a chamber and defines an axis. Rectangular shaped coils are mounted on the wall to establis... | 09/28/2004 |
| 6787044 | High frequency wave heated plasma mass filter A material separator includes a chamber and electrode(s) to create a radially oriented electric field in the chamber. Coils are provided to generate a magnetic field in the chamber. The separator further includes a launcher to propagate a high-frequency electromagne... | 09/07/2004 |
| 6786335 | Pyrolysis plant for refuse and method for screening solid residues A pyrolysis plant for refuse and a method for screening solid residues provide a sure and trouble-free sieving of a solid material using a sieving device having a configuration which is as simple as possible. A spiral formed by a rod which is wound in a helicoidal m... | 09/07/2004 |
| 6758342 | Cereal grain sorting system and roll sorting machine A cereal grain sorting system includes a wind force sorting device, a rough sorting device and a roll sorting device. The wind force sorting device is operative for selectively sorting light weight foreign materials from feedstock cereal grains. The rough sorting de... | 07/06/2004 |
