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WO/2010/051201 |
An electrostatic modification reagent as described herein. The electrostatic modification reagent may be used in an electric separation process for separating components from a mineral ore or sand.
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WO/2010/020983 |
A separation arrangement is provided for separating between particles of different materials having different densities and comprised in a mixture of fine particles. The arrangement comprises: a solid particles feed ingress means, a soli...
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WO/2009/037594 |
The present invention is directed to flotation of refractory gold sulfide ores in which the ore is ground, floated, the tailings reground, and refloated to produce gold- bearing concentrates.
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WO/2009/028217 |
There is provided an electrostatic separation apparatus. Further, there is
provided a method of electrostatic separation through the electrification
step of charging mixture (6) consisting of two or more kinds of materials, the
delivery ...
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WO/2008/140350 |
The invention relates to the separation of loose materials and can be used in the
ore-processing industry for separating dispersed materials, and also in the
building, chemical and other industries. The inventive method for the ionizatio...
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WO/2008/075470 |
An electrostatic sorting apparatus characterized by including earth electrode
(1) disposed on one side of the falling path of sorting object; high-voltage application
electrode (2) disposed on the other side of the falling path so as to ...
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WO/2007/099204 |
A method for treatment of electric and electronic scrap, in which method the scrap to
be treated is crushed into particles of such size that each particle consists essentially
or mainly of one material and the particles consisted essenti...
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WO/2007/094224 |
A powder separator and powder separation method by which powders to be separated
can be separated with satisfactory precision. This separator comprises: a vessel
(30) to which powders to be separated (4) comprising a heavy powder (4a) an...
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WO/2007/053089 |
The invention relates to a method to separate different materials from each other, such
as, for example, elements and/or compounds of elements. The material (A-C) is
pre-treated in a cyclone device (10) that comprises a restricted outlet...
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WO/2007/049667 |
[PROBLEMS] To provide an electrostatic separation method and an electrostatic separator
that, in the case where the unburned fuel concentration of coal ash produced from
a boiler in a coal burning thermal power plant is as high as 15 to ...
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WO/2006/098178 |
In an electrostatic separator or magnetic separator, prior to electrically charging or magnetization of particles in order to carry out separation of mixed powder of particles with different properties, classification by means of a class...
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WO/2006/068619 |
Disclosed herein is a device comprising at least one supporting solid surface comprising at least one membraneophilic region; a covering layer that is at least partially immobilized to the membraneophilic region, said covering layer cons...
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WO/2004/019138 |
The invention relates to the use of layered double hydroxide salts as charge control agents in electrophotographic toners and developers, in coating powders, electret materials and in electrostatic separation processes of chargeable mate...
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WO/2004/016354 |
The invention relates to a method for the electric contact charging of a particle mixture consisting of aleurone and shell particles. According to said method, the aleurone particles and the shell particles of the mixture are transported...
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WO/2004/012866 |
The present invention relates to an apparatus and a method for separating material, in particular waste material. Such material is normally in a co-mingled state and can consist of newspapers, cardboard, plastic bottles, glass, organic w...
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WO/2004/009242 |
A methods and apparatus for separating polymer mixture comprising providing a feed mixture (205), adding a charging media (230), triboelectrically charging the mixture with the media (210) and separating the polymer mixture into at least...
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WO/2004/009200 |
Methods, systems, and media for use in separating mixtures. A slurry including a separation liquid and one or more particulate media materials id provided. A classification separation id performed on the slurry to produce a classified me...
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WO/2003/039754 |
The invention relates to a method and device for separating a mixture (1), made of particles of a first particle type (2) and a second particle type (3), especially aleurone particles and shell particles made of comminuted bran, said par...
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WO/2002/034403 |
A mechanical device (5) for cleaning the surface of a roll-type electrostatic separator (8) that does not use a conventional fibrous brushing system. A novel feature of this device is the autogenous nature of the mechanism. This approach...
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WO/2002/028537 |
An electrostatic device (1) for the separation of particulate feedstock materials into two or more constituent streams. The device (1) includes at least one 'insulated' electrode (12), which is made up of an electrically conductive eleme...
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WO/2001/036101 |
The invention relates to a method for the separation of a mixture of plastics, comprising several different types of plastic, by means of an electrical contact pre-treatment, which permits an increase in the ecological and economical eff...
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WO/2000/056462 |
A particle separator for the separation of particulate mixtures comprising species that exhibit difference in electrical conductivity, comprising: a conductive surface including a separation zone over which said species move at a predete...
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WO/2000/027536 |
Plastic chips (2) are supplied in batches of quantity W1 to an electrification device (4) by a conveyer (3) and stirred for a predetermined time T in the electrification device (4). The electrified chips are all discharged and carried co...
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WO/2000/027535 |
A triboelectrification device (30) that causes electrification by stirring a plurality of kinds of pulverized plastic pieces (1). A friction auxiliary material (52) is put in a stirring vessel (31), the particles of the friction auxiliar...
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WO/2000/027534 |
The relation between the voltage Vp (kV) applied to separation electrodes and the distance L (cm) between the separation electrodes is defined by Vp/L$m(F)10. Even if a spark (20) is produced between the electrodes, namely, between an el...
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WO/1999/043437 |
The invention concerns a method and apparatus for separating mineral particles according to their dielectric and/or electrophysical properties. In one practical example, rutile particles can be separated from zircon particles. In the met...
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WO/1999/030826 |
A method and apparatus for separating a mixture of particles carries out a first separation by using a separator (11, 18, 21) to separate those particles which lose an electrostatic charge relatively rapidly from those particles which lo...
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WO/1998/036844 |
Apparatus and method for separating carbon particles from flyash include one of increasing a relative humidity of the flyash or decreasing the relative humidity of the flyash to within an optimum humidity range, and introducing the flyas...
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WO/1998/028080 |
A device has a cylinder (41) upon which the charged particle mixture is applied. An inner electrode (41) is arranged inside the cylinder (41) along an angular area next to the inner wall of the cylinder. An outer electrode (48) is provid...
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WO/1998/027139 |
The present invention relates to a method of triboelectric separation of organic polymers and salts, specially organic polymers containing sulfur, such as polyarylene sulfides and a halogenide or a carboxylate of alkaline metals, alkalin...
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WO/1997/020633 |
An apparatus for separating different components of a mixture of material includes a separation chamber having a structure definin g confronting electrode surfaces (10, 12) having a gap (15) between the confronting electrode surfaces and...
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WO/1996/033809 |
A belt-type counter-current separator for separating a mixture of particles, including conductive particles, includes a voltage gradient assembly having a plurality of conductive elements inter-disposed with a plurality of dielectric ele...
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WO/1995/033571 |
A method and apparatus for separation of carbonaceous particles from fly ash utilises an electrostatic separator having a plurality of separation zones (11) arranged to define a downward serpentine pathway for particulate material, the s...
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WO/1994/004634 |
A fuel coal processing system is provided which consists of a centrifugal type pulverizer which consists of a pair of opposed multicup concentric ring rotors (5) and (6), a coal purifier (12) which consists of an annular ring nozzle surr...
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WO/1993/019848 |
The present invention pertains to a method and apparatus for mixing, comminuting and/or separating materials, particularly recyclable materials. The invention provides at least one operating chamber (5) within which a high pressure vorte...
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WO/1993/006934 |
An apparatus and associated method of separating mixed fragments of different plastic materials (2), in which the material (2) to be separated are capable of carrying different electrostatic charges. The charges are induced in the mixed ...
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WO/1991/016757 |
An electrostatic actuator comprising a first member (1) having plural strip-like electrodes (4) which are insulated from each other and arranged in a predetermined direction and at predetermined spaces, a second member (10) whose surface...
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WO/1989/009092 |
The specification describes specie-separating and concentration-enhancing methods and apparatus which operate on a substantially continual basis. The constituents of a mixture are separated according to their respective influencability b...
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WO/1988/008331 |
An electric drum separator for separation of a mixture of dielectric and electro-conductive bulk materials comprises a casing (1) in which the drum (3) serving as a receiving electrode is mounted rotatably around a vertical axis, a means...
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WO/1987/007532 |
Particle-charging, specie-separating and concentration-enhancing methods and apparatus which operate on a substantially continual basis. The particles of each specie in a mixture are charged by surface contact, separated in an electric f...
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WO/1985/004349 |
A method for the physical separation of aleurone cell particles and pericarp-testa particles from commercial wheat bran, which method comprises removing from a fraction of aleurone cell particles and pericarp-testa articles within the si...
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WO/1985/002355 |
Components of various substance qualities may be conveniently separated by an electrostatic field even if the components present in a stationary electrostatic field no difference of behaviour enabling their separation. An electrode mount...
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WO/1981/002260 |
Rotor type electrostatic separator (10) with a mechanical barrier (28) to remove a layer (22) of entrained air from the rotating collector surface (12) prior to depositing on the surface from a feed hopper (16) a particulate feed for par...
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WO/1981/000416 |
After pulverizing to minus 200 mesh, a mixture of coal and pyrite particles is passed through an A.C. silent corona discharge in the presence of a reactant gas. Simultaneously, the particles are de-agglomerated and an electrical or magne...
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JP2010029800 |
To provide an electrostatic separation device capable of improving separation precision. The electrostatic separation device comprises: a drum electrode 4 which is grounded, has a surface cylindrically formed and is rotated; and first an...
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JP2009233538 |
To solve such problems, in an electrostatic sorting method, that: it is difficult to sort an insufficiently charged mixture and a recovery rate may be lowered; and even when charging is sufficiently performed, there is the possibility th...
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JP2009195841 |
To provide a triboelectric charging apparatus that efficiently removes adhering dust from the inside wall of its charging container without interrupting charging, stabilizes the state of charges on the inside wall of the container, and s...
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JP2009195769 |
To sort constituent materials in a mixture with higher purity, in an electrostatic sorting apparatus which sorts and separates the mixture into constituent materials in an electrostatic field by utilizing difference in orientation of sta...
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JP2009165997 |
To provide an electrostatic sorting apparatus that can separate and sort a mixture in a high-purity, preventing the components in the charged mixture from attracting each other and agglomerating. The electrostatic sorting apparatus is co...
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JP2009154147 |
To provide deflection plates for use in a flow-type particle sorter that are resistant to wetting. The deflection plates include a gas-porous, conductive plate. A gas, such as air, is passed through the plate from the outer face (away fr...
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