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7638068 |
Cogeneration system for grease separation and power production
A cogeneration process and system which provides for the reclamation of a grease fuel from a concentrated grease trap pumping waste stream and the use of said grease fuel in a compression ignition...
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7569245 |
Washed deboned meat having high protein recovery
Deboned meat is subjected to processing in a surimi-type procedure in order to substantially reduce the heme content and thus the color intensity of the deboned meat, with bone marrow components...
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7368061 |
Process and device for the production of elastomer-modified thermoplastics
A continuous process for the production of an elastomer-modified thermoplastic is disclosed. The process entails (i) obtaining graft elastomer (D) having residual moisture content of 1 to 50 wt. %,...
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7255798 |
Recycling of used perfluorosulfonic acid membranes
A method for recovering and recycling catalyst coated fuel cell membranes includes dissolving the used membranes in water and solvent, heating the dissolved membranes under pressure and separating...
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6960293 |
Waste processing system
A system and method for pre-treating grease and other similar wastes prior to introducing them into a waste water treatment facility so that the grease, etc., does not clog the waste water...
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6846422 |
Sludge stripping process and system
A method and system for removing volatile organic compounds (VOCs) from sludge advantageously utilizes a stripper for removing the VOCs directly from the sludge to convert the sludge into a...
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6821437 |
Method for separating a machining suspension into fractions
The present invention relates to a method of separating a machining suspension into fractions including abrasive grains and attrition material, such as a suspension produced in the course of the...
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6726841 |
Method for the purification and recovery of non-gelatin colloidal waste encapsulation materials
Method for treating non-gelatin colloidal encapsulation waste materials in which the waste is combined, optionally, with a solvent capable of dissolving the non-gelatin colloidal encapsulation...
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6692644 |
Process for recovering oil and sulfonates from filtration panel
Process for treating filtration panels obtained by the filtration of oils containing sulfonates of earth-alkaline metal, the above filtration being carried out in the presence of filter aids...
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6638436 |
Method and arrangement for regenerating a contaminated metal bath
A method and a system for regenerating a metal bath contaminated by mixed crystals, particularly a tin bath ( 17 ) in a hot-dip coating process. A partial stream of the tin bath ( 17 ) is removed...
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6627072 |
Filter system for a paraffin spa
A paraffin filter system ( 10 ) includes an in-line low-profile particulate filter ( 20 ) connected to a suction tube ( 14 ) which is used as an inlet to the paraffin filter system ( 10 ). A...
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6468994 |
Budesonide particles and pharmaceutical compositions containing them
The invention provides finely divided, substantially crystalline particles of budesonide characterized in that they are substantially smooth and having a BET value of from 1 to 4.5 m2/g, a process...
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6165368 |
Method of controlling deposition of foulants in processing equipment used to process products streams produced by the dehydrogenation of aliphatic hydrocarbons
A method for controlling the deposition of foulants such as polynuclear aromatic compounds on the internal surfaces of equipment in a processing train used to process a product stream obtained by...
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6123855 |
Dewatering of calcium carbonate
The present invention relates to dewatering of an aqueous slurry of calcium carbonate. More particularly, the present invention relates to the use of non-ionic surfactants in dewatering aqueous...
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6001245 |
Separating solid particles from used lubricant compositions
A process for separating oil from a lubricant composition containing solid particles. The contaminated lubricant composition is mixed with liquid or supercritical CO 2 before the lubricant...
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6001265 |
Recovery of coolant and abrasive grains used in slicing semiconductor wafers
A system for reusing water soluble slurry waste fluid wherein separated available abrasive grains and extracted water soluble coolant are reused. This system is capable of reducing a disposal cost...
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5945001 |
Method for the purification and recovery of waste gelatin using diafilters
A process for the recovery and purification of waste gelatin, especially from the manufacture of soft gelatin capsules includes the steps of effecting dissolution of the gelatin and other...
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5904858 |
Filter with turbulence generating turbine and separation method
A filter for separation of a liquid from a solid has a turbine surrounded by an elongated filter body and forms a short first stage with short-pitch blades, providing a high axial impulse and low...
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5882527 |
Method of accelerating the dissolution rate of accumulated filter cake by channeling gas bubbles through the cake
A process of dissolving solid waste material in packed beds comprises the addition to the packed bed of a solvent for the solid waste and a material which releases a gas on contact with the solvent...
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5846314 |
Process for treating a waste material resulting from an oil recovery from tar sands process
A method of treating a dilute aqueous suspension of solid particulate material comprising waste material from a process for recovering petroleum from oil sand includes diluting the suspension with...
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5830369 |
System for reusing oily slurry waste fluid
A system for reusing oily slurry waste fluid is capable of decreasing the total amount of oily slurry waste fluid to be discarded by collecting and reusing available abrasive grains, oil and water...
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5807490 |
Method of separating polymers from mixtures thereof
A method of separating two immiscible, melt-viscosity-differing thermoplastic polymer components from a mixed liquid stream thereof forms two discrete and continuous phases having a sheath/core...
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5782188 |
Pyrolytic combustion apparatus and method
A method and apparatus for incinerating waste material and in particular, for incinerating particulate material resulting from the shredding of vehicles. The particulate material is fed to one end...
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RE35815 |
Method for treating waste material
Preheated diluent and steam are introduced into a container containing waste material typically comprised of a sludge mixture of liquid and solid material including hydrocarbons. The material is...
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5730885 |
Screen packs for reducing gels in polypropylene copolymers
The present invention teaches a method for reducing the number and size of polymeric gels in a polypropylene blend by filtering the blend through multiple filter screens during the extrusion of the...
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5698603 |
Expandable styrene polymers containing recycled material
The present invention relates to expandable styrene polymers containing recycled polystyrene, having a recycled material content of from 10 to 50% by weight, based on the total weight of the...
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5679767 |
Purification process of aliphatic polyester
The invention is a purification process of an aliphatic polyester prepared in the presence of a catalyst from a hydroxycarboxylic acid or a cyclic ester of a hydroxycarboxylic acid, or a...
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5630945 |
Method for recovering uncrosslinked synthetic resin waste
A method for recovering an uncrosslinked synthetic resin waste including dissolving the uncrosslinked synthetic resin waste in a solvent containing, as an active ingredient, one or more...
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5578222 |
Reclamation of abrasive grain
The invention provides a process for recovering abrasive grains from vitreous bonded materials by boiling the material in an aqueous solution of an alkali metal base.
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5518606 |
Method for treating pitch
Solid debris of rocks and scrap metal, etc., which are embedded in recoverable petroleum material such as solid or semisolid pitch or tar deposits, are separated from the petroleum material by a...
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5279741 |
Process for regenerating used foundry sand
The invention relates to a process for regenerating used foundry sand, whose original molding sand contained, as the molding material, inorganic binders such as, for example and especially,...
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5266220 |
Method for melting contaminated snow and washing solids held therein
A method for melting snow containing solids and chemical contaminants and washing the solids is disclosed therein. The method includes the steps of heating the snow mixture within a hopper to melt...
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5232606 |
Process for recycling of supported or contaminated PVC
A method is provided for recovering PVC from a material including PVC and one or more non-PVC components, in which the material is mixed with a sufficient amount of a plasticizer at an effective...
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5219468 |
Method for dewatering using addition of water to facilitate material movement
A liquid separator apparatus to extract liquid, usually water, from a water-solids mixture. The apparatus includes liquid separator device with a housing with an inlet and an outlet separated by a...
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5183578 |
Process for the extraction or flushing out of a substance from a heterogenous system, and installation for carrying out the process
The process and the continuously working installation are intended for the extraction or flushing out of a substance from a heterogenous system with a solid phase of fibrous or granular material by...
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5151199 |
Process and apparatus for controlling froth of an instant coffee beverage
Bubble size of a froth created during the preparation and dispensing of an instant coffee beverage is controlled by passing the coffee beverage through at least two adjacent screens coaxially and...
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5149445 |
Process and apparatus for the purification of substances
A substance is provided in molten form and then converted into crystallized pellets. The pellets are conveyed into a vessel having an open lower end, whereby the pellets continuously advance...
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5138075 |
Extractive separation method
The present invention provides an extractive separation method in which a solute contained in a medium can be efficiently extracted and separated with a lower consumption of energy under the...
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5112495 |
Method of cleaning up petroleum oil spills
The improved method employs hydrocarbon wax, preferably paraffin wax, as the cleaning agent for petroleum oil spill slicks. The method includes spraying the molten wax on the petroleum oil-covered...
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5053144 |
Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry
The method of the invention is advantageously applicable to realize a multistage chemical process during which liquid clarifiers suitable for the purification of water and sewage, furthermore,...
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5022991 |
Thermite coated filter
Thermite coatings are applied to molten metal filters and the environs, to produce longer lived filters that can be utilized in harsher environments. The coatings employ exothermic, redox, and...
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4939817 |
Process and device for separating a sulfur-lye suspension
For separating sulfur from a sulfur-lye suspension, the suspension is fed into a flooded separation tank, a temperature above the melting temperature of sulfur is maintained in the separation tank,...
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4915850 |
Method and apparatus for separating granulate from a viscous suspension
Method and apparatus for separating and recovering a granulate from a viscous suspension containing the graulate. The suspension is placed in a layer on an endless sieve belt guided around return...
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4880541 |
Hot filter media
A filter medium suitable for hot liquid and gaseous materials, more particularly molten metals, for example aluminium and its alloys, is characterized by the use of sintered ultrafine bauxite...
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4876079 |
Separation of a mixture of sulfur and alkaline solution and apparatus therefor
For the separation of sulfur from a sulfur/alkaline solution suspension, the suspension is heated to a temperature above the melting temperature of the sulfur and is introduced under pressure into...
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4837385 |
Process for separating the inclusions contained in a bath of molten metal, by filtration
The invention relates to a process for separating the inclusions contained in a bath of molten metal, by filtration. This process involves applying an electromagnetic force field to the filtering...
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4834876 |
Filtration assembly having integral heating means for maintaining the metallic material being filtered in the molten state
The filtration of molten metal is obtained by providing the filtration medium, which may, for example, be formed of a granulated material, with a conductive coating or conductive particles....
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4810775 |
Process for purifying resorbable polyesters
The invention relates to the purification of polymers, particularly resorbable polyesters, using shear fields produced mechanically or by fluid dynamics.
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4802527 |
Apparatus for casting molten metal
Apparatus for casting molten metal including a mold for casting molten metal having a base portion, a molten metal inlet located at the base portion, a filter positioned across the molten metal...
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4787986 |
Process and apparatus for melting silicon powder
A process for continuous or batchwise melting of silicon powder in particular, powder having a large amount of fines, and a melting crucible for carrying out this process are specified. The melting...
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