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5435443 |
Method and apparatus for separating mixtures of substances
The invention proposes using liquefied carbon dioxide as a separation agent for flotation and/or sedimentation separation, which is particularly suitable for separating foodstuff mixtures such as...
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5431285 |
Vehicle unloading facility with computer directed sampling
An unloading facility for receiving a particulate material, such as coal, from a vehicle, and then conveying the particulate material to another location. The unloading facility primarily includes...
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5425456 |
Waste collection and separation apparatus and method
A waste collection and separation apparatus having a plurality of reusable primary containers for receiving waste materials at the location of an individual user, a plurality of reusable secondary...
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5402893 |
Method for processing waste material in the form of filter rods, filter cigarettes and the like
A method is described for processing waste materials in the form of filter rods, filter cigarettes and the like comprising filter material with inner hollow volumes accessible from the outside and...
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5305886 |
Decontamination process
Contaminated particulate materials of varying particle sizes are washed and separated by size by a steam washing process which concentrates the contaminant in the small size fraction.
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5300258 |
Method for decontaminating soil containing resins
A method for removing contaminated resin particles from soils. The method entrains the resin particles and fines from the soil, which, due to the difference in specific gravity between resin and...
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5299692 |
Method and apparatus for reducing carbon content in particulate mixtures
Methods and apparatus for reducing the carbon content of fly ash are disclosed. The fly ash is subjected to an inclined surface having first and second vibratory sources for respectively moving the...
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5289920 |
Process for thermically recovering old sands obtained in casting plants and for treating the dusts obtained during circulation of the sand
A process for thermically recovering old sand obtained in casting plants and for treating dust containing combustible organic components and incombustible inorganic components is disclosed. Dust...
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5285903 |
Method for recovering particulate and scavenging formaldehyde in a wood panel fabrication process
A thin film membrane filtration system recovers particulate from the waste water stream of a wood panel fabrication process to a desired concentration of approximately 30-50% solid by weight. The...
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5269424 |
Mobile separation method system for abrasive blasting material
A process and apparatus for separation and recovery of used abrasive blasting material having intrained contaminate recovered from a work site. The intrained contaminates are removed by a...
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5268111 |
Concrete reclamation system with mixing agitator
A separation and reclamation apparatus for separating a first discrete-phase solids material from a fluid mixture including, in addition, a second discrete-phase solids material and a...
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5268353 |
Method for separating superconductor powder from nonsuperconductive powder
An oxide superconductor having good current-carrying characteristics can be manufactured by a method including the steps of mixing and baking a plurality of different kinds of ingredient material...
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5261538 |
Aerosol testing method
The present invention comprises a method for measuring the amount, i.e., mass, of a volatile liquid which comprises passing the mass over a heat loss measuring device, calculating the amount of...
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5246115 |
Process for separating heterogeneous plastic material into homogeneous fractions and apparatus useful to this purpose
A process is taught for separating heterogeneous plastic material into homogeneous fractions, which comprises: a. feeding the plastic material in a triturated form to a first water-containing...
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5236603 |
Method for plastics recycling
The present invention provides improved systems for plastic recycling. In a first embodiment for recycling HDPE milk jugs, a cold water wash step is used to remove bacteria-generated odor from milk...
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5209840 |
Separation of active catalyst particles from spent catalyst particles by air elutriation
Spent hydrotreating catalyst having carbonaceous and metallic deposits and of regular geometric shape after being stripped of process oil is fluidized by flowing air upwardly through the catalyst...
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5203965 |
Utilization of sawdust for pulp production
A screening system incorporated into the system of sawdust collection for paper producing pulp. An upper and lower range of the sawdust particles is designated as between smaller,...
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5199652 |
Method for separating a mixture of two plastics with similar specific gravities
A novel process has been found in which the two types of plastic particles having similar specific gravities in a mixture are safely, efficiently, effectively and economically separated after being...
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5195640 |
Method and apparatus for cleaning abrasive blast media
An apparatus for recovering and cleaning contaminated abrasive blast media. The blast media is transported in a vacuum airstream to a rotatable drum. Within the rotatable drum is a blocking...
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5182253 |
Purification apparatus for superconductor fine particles
A purification apparatus for superconductor fine particles is provided which comprises a device for forming a flow of powder containing the superconductor fine particles, and device for applying a...
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5181617 |
Method and apparatus for separating at least a fraction from a mixture containing reclaimable materials
Already ripened compost is subjected to a sifting process directly following a drum sieve. The duct conveying the flowing air is connected to the outside of the drum sieve and is thus fed with the...
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5165548 |
Rotary silicon screen
The present invention is a device for separating semiconductor grade silicon pieces into desired size ranges, while minimizing contact contamination of the separated pieces. The device employs a...
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5163562 |
Process for reclaiming bentonite and carbon particles from used foundry sand
A process for separating bentonite and carbon carrier particles from an air-dust mixture generated from a mechanical used-sand reclamation unit and, more particularly, a process as aforesaid...
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5161695 |
Method and apparatus for separating particulate material according to conductivity
Non-magnetic, conductive particles are separated from one another on the basis of their respective electrical conductivities. This is achieved by irradiating the particles with microwave or radio...
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5137155 |
Method and an apparatus for treating plant fibres
A method and an apparatus for removing impurities from plant fibrous material which constitutes residual products in the refining of tuber or root vegetables, fruits etc. The plant fibrous material...
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5126058 |
Separation of physically co-mingled plastics using a supercritical fluid to facilitate recycling
The present invention provides a method for selectively separating co-mingled materials of different densities by selective density flotation of the materials in a fluid in the vicinity of its...
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5120767 |
Process and apparatus for reclaiming the economic components of scrap rubber tires
A method and an apparatus for separating out the economic components of scrap rubber tires, wherein the rubber tires are passed through a first shredder, a rotary screen, and a magnetic separator....
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5118407 |
Electrostatic separation of plastic materials
An apparatus and associated method of separating mixed fragments of different plastic materials, in which the materials to be separated are capable of carrying electrostatic charges of opposite...
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5115987 |
Method for separation of beverage bottle components
A method for separation of beverage bottle components including high density polyethylene (HDPE) basecup; poly ethylene terephthalate (PET) bottle body; aluminum cap; paper/plastic labels and...
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5100537 |
Waste recycling system
A waste collecting and recycling system where a portable waste sorting apparatus is located at a first collecting location. Waste from a nearby locality is brought to the collecting location where...
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5085765 |
Conveying and separation unit for ballistic projectile arresters
A conveying and separation assembly for the impact material of a ballistic projectile arrester for indoor firing grounds, of the type that comprises a heap of granulated material as the impact...
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5084161 |
Method and apparatus for the removal of light material from a fiber suspension
A method and apparatus for the removal of light material from a fiber suspension particularly suitable for removing light compressible plastic material such as expanded polystyrene and similar...
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5071541 |
Method and apparatus for sorting a mixture of particles
A method and apparatus for sorting a mixture of particles containing a first group of particles of substantially uniform size and density and a second group of particles of substantially the same...
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5064075 |
Separation of non-magnetic electrically conductive items by electromagnetic eddy current generation
The invention provides a method of separating predetermined non-magnetic electrically conductive items from a flow of non-magnetic electrically conductive materials containing such items and other...
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5049540 |
Method and means for separating and classifying superconductive particles
The specification and drawings describe a series of devices and methods for classifying and separating superconductive particles. The superconductive particles may be separated from...
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5049260 |
Blast cleaning wet media feed and separation system
A media particle size separating apparatus and method are disclosed for use with a slurry blast cabinet. The system is capable of continuous operation so that under sized blast media particles and...
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5047387 |
Method for the selecting superconducting powders
There is disclosed herein an invention for beneficiation of powered material having superconducting characteristics and processes for carrying it out. The invention involves introducing powdered...
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5022317 |
Fodder conditioning process
A process for conditioning and compacting vegetable fodder prior to storage and shipment which comprises breaking standard-sized bales and adjusting the moisture level of the fodder to reduce...
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5021149 |
Process and device for processing granulated materials
A process and a device are used to process granulated materials such as abrasives for centrifugal wheel cleaning systems or welding powder for welding machines. Operation is based on the suction...
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4990244 |
Recycling the components of used single use human waste collecting and/or absorbing products
Processes and apparatuses are provided for hygienically returning for reuse in subsequent manufacturing processes, the original liquid absorbing materials and moisture sealing materials of used...
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4943368 |
Nonmetallic abrasive blasting material recovery process including an electrostatic separation step
An electrostatic waste separation process for abrasive blasting residues containing an abrasive media and a hazardous material such as lead-based paint. A preconditioning stage as well as a...
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4938864 |
Method for processing fine coal
A process for recovery of combustionable coal from fine coal such as frequently considered waste coal from mining operations includes drying and classifying the raw coal into ultra-fine and fine...
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4900498 |
Method for separating elongated contaminants from a stream of material
A method for removing elongated contaminants of polymeric material from a contaminated stream containing pellets and the elongated contaminants, wherein the contaminated stream is passed through an...
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4883603 |
Method for separating coarse grained and agglomerate pigment particles from a suspension
A method and apparatus for separating coarse grained and agglomerated pigment particles from a suspension containing coarse grained, agglomerated, and fine grained pigment particles by...
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4877516 |
Manipulating particulate matter
An acoustic standing wave is established in a fluid medium with a varying energy density in its nodal planes. Particles in the fluid medium responsive to the acoustic energy accumulate at these...
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4857173 |
Particle classifier and method
An apparatus and process for separating silicon seed particles from silicon dust and large, heavy silicon particles. A classifier apparatus is a vertically oriented column having an inert gas...
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4851129 |
Process for the detoxification of effluents from ore processing operations with hydrogen peroxide, using a magnetic pre-separation stage
A process for treating effluents contaiing cyanide from mining operations wherein magnetic separation is used prior to treatment with hydrogen peroxide.
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4839031 |
Process for performing the separation of extruded materials which may or may not show imperfections
The invention relates to a process for the separation of granulate materials, in extruded form of different lengths and of the same or different diameter. It is characterized by the use of a...
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4828685 |
Method and apparatus for the enhancement of superconductive materials
A method and apparatus for separating at least one superconductive phase from a multiphase material which may contain multiple superconductive phases and a normal phase by the use of diamagnetic...
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4810368 |
Automatic method for separating and cleaning silicon carbide furnace materials
Method of automatically separating and cleaning silicon carbide furnace materials using magnetic separation techniques. In the method of the invention, crushed or particulate silicon carbide...
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