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7999205 Method of separating foreign particles  
In an electrostatic separator or a magnetic separator, prior to electrically charging or magnetization of particles in order to carry out separation of mixed powder of particles having different...
7767924 Electrostatic separation system for removal for fine metal from plastic  
An electrostatic separation system for separating fine metal and plastics is disclosed. An electrostatic separation system according to the present invention comprises a negative electrostatic...
7691636 Method and apparatus for compensating for variations in particle trajectories in electrostatic sorter for flowcell cytometer  
A flow cytometer subsystems monitors a particle sensing zone within a fluid transport chamber for the presence of a particle (e.g., blood cell) traveling therethrough, and produces an output pulse,...
7635822 Method for treating ground crude potassium salts that contain kieserite  
The electrostatic separation of ground crude potassium salts containing kieserite is accomplished by mixing the ground crude potassium salt with a conditioning agent containing a combination of an...
7232687 Multiple sorter monitor and control subsystem for flow cytometer  
An optical illumination and monitoring subsystem controls the operation of a flow cytometer having a carrier fluid that flows along a channel coupled to a droplet generator, which controls a point...
6797908 High-tension electrostatic classifier and separator, and associated method  
The electrostatic classifier and separator is supported by a housing and includes a corona classifier section for classifying particulate materials according to size. Corona element supplies mobile...
6789679 Method and apparatus for separating particles  
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...
6746873 Vibratory system for a sorting flow cytometer  
A flow cytometry system is disclosed for oscillating the exterior of a flow cytometer nozzle. Oscillating the exterior of a flow cytometer nozzle at selected oscillations or a sweeping range of...
6743870 Process for early detection of reactor fouling in gas phase polymerization  
A process for early detection of reactor fouling occurring during a gas phase polymerization of olefin(s) using a fluidized bed reactor having a fluidization grid fitted with detection devices.
6723938 Electrostatic conductive induction separator  
A particle separator for the separation of particulate mixture having species that exhibit difference in electrical conductivity. The separator has a conductive surface including a separation zone,...
6681938 Device and method for separating minerals, carbon and cement additives from fly ash  
A process for separating organic and inorganic particles from a dry mixture by sizing the particles into isolated fractions, contacting the sized particles to a charged substrate and subjecting the...
6589314 Method and apparatus for agglomeration  
A size preferential electrostatic agglomerator is provided for agglomerating small particles with larger “carrier” particles. The agglomerator includes an inlet for receiving a gas flow, a sep...
6589792 Method and apparatus for flow cytometry  
A flow cytometer (20) capable of utilizing an imaging system including a sensor (88) to determine various properties of the flow cytometer (20). Importantly, the imaging allows for determination of...
6372506 Apparatus and method for verifying drop delay in a flow cytometer  
An apparatus and method for verifying the drop delay in a flow cytometer, which is indicative of the time that elapses from a moment at which a particle of interest is detected at an interrogation...
6359246 Process and device for separating broken beans and shells  
The invention concerns a process as well as an apparatus for separating broken goods, consisting of broken nibs or beans and their shells and especially the separation of broken cacao beans (nibs)...
6225587 Electrostatic separation of chaff from grain  
A method and device for the electrostatic separation of chaff from grain. An nonconductive continuous belt moves a mixture of grain and chaff past an ionizing electrode, which imparts an electrical...
6211477 Electrostatic deceleration system for flow cytometer  
An electrostatic deceleration system is provided for use with a flow cytometer to decelerate the movement of electrically charged droplets formed by the flow cytometer in order to minimize damage...
6168029 Method for separating electrically conductive mineral components from electrically non-conductive mineral components of an ore  
An improved method for separating electrically conductive components of an ore or mineral sand from electrically non-conductive components of the ore or mineral sand is disclosed which includes...
6140598 Method for separating polymer-salt mixtures  
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...
6074458 Method and apparatus for separation of unburned carbon from flyash  
Apparatus and method for separating carbon particles from flyash includes one of increasing a relative humidity of the flyash or decreasing the relative humidity of the flyash to within an optimum...
6064022 Electrostatic separation of particles  
An apparatus and a process for subjecting a free falling stream of particles to an electrostatic field, between two rows of oppositely charged electrostatic rotating electrodes to effect a...
6034342 Process and apparatus for separating particles by use of triboelectrification  
A process and apparatus for subjecting a mixture of two types of electrically charged particles to intense physical contact through a pneumatic transfer modified by turbulent flow and path...
6011229 Electrostatic separator for classifying triboelectrically charged substance mixtures  
An electrostatic separator of the free-fall type for classifying triboelectrically charged substance mixtures. This separator has a separate voltage source connected to each of the electrodes...
5967331 Method and apparatus for free fall electrostatic separation using triboelectric and corona charging  
A free-fall separator apparatus for mixed particles. The apparatus includes a screw feeder for triboelectrically charging the particles, a feed hopper for releasing the tribocharged particles in a...
5944875 Triboelectric separator with mixing chamber and pre-separator  
A triboelectrostatic separation apparatus includes a mixing chamber having opposed first and second charging ports, a separator having a separation chamber, first and second electrodes, and a...
5938041 Apparatus and method for triboelectrostatic separation  
A triboelectrostatic separation apparatus includes a separator with an inlet, a separation chamber, first and second electrodes, a variable voltage source for applying respective positive and...
5885330 Separation system and method of unburned carbon in flyash from a coal-fired power plant  
An apparatus and method for reducing the amount of unburned carbon in raw flyash, wherein raw flyash containing unburned carbon is introduced into the tribocharger, the tribocharger producing...
5845783 Method and apparatus for treating fly ash  
A method and apparatus for separation of carbonaceous particles from fly ash utilizes an electrostatic separator having a number of separation zones arranged to define a downward serpentine pathway...
5746320 Friction electrifying-type electrostatic sorting apparatus  
A friction electrifying-type electrostatic sorting apparatus having a preliminary friction electrifying unit for preliminarily electrifying a sorted material by providing a friction; a friction...
5687852 Tubular free-fall separator for separating plastic mixtures  
A tubular free-fall separator for the electrostatic separation of particles of a plastics mixture, includes two parallel opposite rows of vertical tubes which are either arranged rotatably around...
5643796 System for sensing droplet formation time delay in a flow cytometer  
A droplet flow cytometer system which includes a system to optimize the droplet formation time delay based on conditions actually experienced includes an automatic droplet sampler which rapidly...
5620100 Charged particle selector  
The electrostatic selector of aerosol particles of an atmosphere has a first (18) and a second (20) spaced, parallel, coaxial conductive disks between which is established an electrical field, an...
5602039 Flow cytometer jet monitor system  
A direct jet monitor illuminates the jet of a flow cytometer in a monitor wavelength band which is substantially separate from the substance wavelength band. When a laser is used to cause...
5562755 Process for the treatment of langbeinite and anhydrite containing kieserite concentrates  
A process for after-purifying a kieserite mixture pre-concentrated electrostatically across a number of stages is characterized in that the outside air used in the after purification stage is...
5542543 Electrostatic separation and classification apparatus  
There is disclosed an electrostatic separation and classification apparatus (20) which includes a pair of electrode unit mechanisms (21, 22) having spaced electrodes (28, 29), insulative endless...
5494171 Method and apparatus for removing fine particles from synthetic resin pellets  
Fine particles which electrostatically adhere to synthetic resin pellets are separated from the pellets by bringing the pellets/fine particles mixture into contact with an ionized gas. The ionized...
5489506 Dielectrophoretic cell stream sorter  
A method and apparatus for continuously sorting living cells from a mixture of many unlike cells to obtain separate populations of like cells. The invention comprises cell and fluid intake ports, a...
5370235 Method of separating polyethylene (PE) and polypropylene (PP)  
Plastic mixtures, in particular those of a similar density such as polyethylene and polypropylene, are separated electrostatically, whereby prior to charging, the mixture is subjected to a surface...
5366091 Method of separating poly(ethylene terephthalate) (PET) and poly(vinyl chloride) (PVC)  
Plastic mixtures, in particular those of a smilar density such as polyethylene terephthalate and polyvinyl chloride, are separated electrostatically, whereby the mixture, for triboelectric...
5358119 Method of separating a mixture of plastics comprising at least three components using electrostatic techniques  
Plastic mixtures are split up into the individual components by a process combining density separation with electrostatic separation, and includes a special surface treatment which takes place...
5289922 Electrostatic separation of mixed plastic waste  
A mixture of particles of plastic materials having different work functions is fed through a rotating tube. The tube rotates about an axis which is inclined slightly to the horizontal. The tube is...
5251762 Electrostatic separation of particles  
Apparatus for separating one type of particle from a mixture of particle types by dropping the mixture through a free fall zone between two spaced vertical walls of electrostatically charged,...
5240608 Apparatus for waste free dredging of waterways and the fabrication of building materials  
This invention relates generally to dredging under harbors and waterways and fabricating building materials and more particularly to an apparatus for dredging that produces no waste and uses the...
5161696 Method and apparatus for separating shapes of abrasive grains  
A method of electrically separating differing shapes of abrasive grain materials by imposing a high voltage corona induction charge to free-falling abrasive particles, polarization thereof and...
4954248 Electrical drum-type separator  
The electrical drum-type separator for separating a mixture of electrically non-conductive and conductive particles, comprising a housing (1) having a drum (3) mounted therein for rotation about a...
4797201 Electrostatic free-fall separator  
An electrostatic free-fall separator has roller-shaped field electrodes which are formed as hollow rollers closed at both their ends without forming sharp edges and having horizontally extending...
4767506 Electrostatic treatment of milled crude potash salts containing kieserite  
A process is disclosed for the preparation of milled crude potash salts containing kieserite, whereby the crude potash salt is conditioned at first with a chemical conditioning agent and...
4743362 Process and device for controlling the electrostatic separation of crude potash salts in electrostatic free fall separators  
A process for controlling the electrostatic separation of crushed chemically conditioned and triboelectrically charged potash salts in a free fall wherein the setting angles of deviating blades for...
4569432 Arrangement for feeding of a fine-particle material to electrostatic free-fall cutter  
An arrangement for feeding a fine-particle material to be separated to an electrostatic free-fall cutter is formed as a funnel with braking inserts and inclined walls whose edges limit a small...
4557827 Electrostatic free-fall separator with feeding arrangement  
An electrostatic free-fall separator has a feeding arrangement located upstream of the separator for feeding of fine-particle material to be separated into the electrostatic free-fall separator,...
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