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7540078 |
Method for recycling wastes of an electrical appliance
A recycling method of wastes of an electrical appliance containing an article having a circuit soldered with parts soldered with a lead free solder. The method includes discriminating a first...
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7314604 |
Stable ferric arsenate precipitation from acid copper solutions whilst minimising copper losses
A method of which includes the steps of introducing an acidic solution containing (V), copper, ferric iron and ferrous iron into a first tank of a series of continuously stirred tank reactors and,...
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7234235 |
Wire processing method of cross-linking coated wire
In wire cross-linking process, after microwave is launched into the inside of the waveguide coaxial converter, the coated wire is inserted into the wire insertion pipe. The coated wire is...
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6855187 |
Method for recycling waste wire harness
In a waste wire harness including electric wires each coated with a resin comprised of an olefin-based resin and magnesium hydroxide as a fire retardant, and including accompanied members having at...
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6793709 |
Delamination process
A process for recycling an electronic scrap material comprising a metal provided on a polymeric substrate, which method comprises: milling flaked electronic scrap material with a bead impact...
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6770115 |
Process for magnesium granules
A method and apparatus of reclaiming magnesium from post consumer scrap and/or secondary magnesium turnings by feeding the post consumer scrap and/or secondary magnesium turnings into a rotary tray...
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6723179 |
Soft magnetism alloy powder, treating method thereof, soft magnetism alloy formed body, and production method thereof
A soft magnetism metal powder having a majority of particles, each of which, when cross-sectioned, has no greater than ten crystal particles on average, may be coated on an outer surface of each of...
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6537341 |
Process for recycling fiber composite materials
A process for recycling composite materials that comprise fibers and a matrix includes exposing the composite material to electromagnetic waves in the form of microwaves. The electromagnetic waves...
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6428602 |
Method for recovering platinum from platinum-containing coatings on gas turbine engine components
A method for recovering Pt from Pt-bearing coating on a gas turbine engine component. The component is contacted with a chemical stripping agent to dissolve away constituents of the coating and...
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6425934 |
Gas generator disposal method and system therefor
A gas generator disposal method capable of disposing of large quantities of gas generators safely, efficiently and without contamination of environments, and a system therefor, the method...
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6409798 |
Process for recovering metal material from waste material
A process for recovering metal material from waste material including organic material and metal material in the form of thin foil metal material. The process includes steps of introducing the...
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6325967 |
Incineration process
A process and apparatus for incinerating certain volatile organic compounds especially odorants commonly used in the natural gas industry. The procedure uses a first (car bottom) furnace as a...
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6245122 |
Apparatus and method for reclaiming scrap metal
An apparatus and method for reclaiming contaminated scrap metal, more particularly an improved reverberatory furnace designed for melting scrap. The amount of hydrocarbons volatilized from the...
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6235074 |
Process of recovering copper from winding
There is provided a process of recovering copper from winding composed of an enameled copper wire having a polyester and/or a polyurethane based insulating coating thereon, and the process includes...
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6228143 |
Rotary thermal oxidizer for battery recycling and process
A rotary thermal oxidizer removes polymeric and other non-metal components of exhausted batteries and cells leaving value-metals, such as cadmium, nickel, and iron behind for subsequent processing....
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6193780 |
Process and apparatus for the recovery of aluminum and energy from used aluminum-plastic packages
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6149707 |
Method for pyrocleaning metal components
This is a method for pyrocleaning that degreases metal components using an oven, an oxidizer, a system gas supply, a system gas exhaust, and heat exchangers. The degreasing is accomplished by first...
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6139601 |
Method of recycling simultaneously a plurality of oil filters
A method of simultaneously recycling a plurality of used oil filters involves placing a plurality of the filters into a rectangular compartment having a top, opposite sides, a bottom, and first and...
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6077328 |
Process for reducing the dioxin and furan content in waste gases from furnaces, and use of the filter dusts produced thereby
A process for purifying waste gases from smelting, resmelting or combustion plant furnaces and the use of the filter dusts produced. The invention is used in particular in the production or...
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5998689 |
Method for recycling contaminated metal parts
A method for recycling metal parts contaminated by radioactive elements, in particular by α-emitters, includes forming a melt and a slag from the metal parts and then separating the slag from the...
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5855644 |
Method for recovering aluminium from materials containing metallic aluminium
According to the present method it is possible to recover metallic aluminium easily and at high recovery rate and low cost from metallic aluminium containing wastes disposed recently in great...
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5830258 |
Method of recovering resources in resin-molded electrical rotating device
A method of recovering resources in a resin-molded electrical rotating device (1,2) in which electromagnetic members (1a,1b,2a) are molded with resin molding (1c,2c) with fine voids so as to be...
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5817163 |
Aluminum scrap cleaning and decarbonization
Aluminum scrap containing a carbon-containing coating is cleaned with about 212° F. hot water, and then decarbonized with about 1000° F. superheated steam which produces a carbon-containing...
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5743936 |
Method of recovering valuables from printed wiring board having electronic components mounted thereon
The method of recovering valuables from a printed wiring board on which electronic components are mounted, includes the steps of (a) removing electronic components from a printed wiring board on...
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5735933 |
Method for processing metallic waste
A processing method by which metals may be recovered at a high purity from metal-containing waste materials. The method for processing metal-containing waste materials comprises crushing a...
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5728196 |
Process for waste thermolysis
The present invention relates to a process and system for thermal waste treatment. The method according to the invention comprises subjecting the waste to thermolysis in a furnace to produce from...
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5578110 |
Environmentally acceptable method of disposing of an inflator from an air bag system loaded in a scrapped automobile
A method by which numerous gas generators from unused air-bags can be scrapped in an environmentally acceptable manner. The method consists of a) heating the gas generator to actuate the...
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5575907 |
Process for the recovery of raw materials from presorted collected waste, especially scrap electrochemical batteries and accumulators
The invention relates to a process for the recovery of raw materials from presorted collected waste, especially scrap electrochemical batteries and accumulators in which the scrap (10)is first...
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5462578 |
Method for the extraction of the metallic phase from dispersed mixtures of light metals and nonmetallic components
Method for the extraction of the metallic phase from dispersed mixtures of light metals and nonmetallic components. The invention pertains to an advantageous method for the extraction of the...
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5456739 |
Process for reclaiming aluminum from waste paper and packaging products
Aluminum is recovered from organic waste paper and packaging material containing aluminum foil by heating the waste material in a kiln or other such device to decompose the organic constituents in...
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5456738 |
Portable metal extraction machine and method of using
A process and apparatus for extracting gold from circuit boards, gold fingers and gold pins is described comprising the steps of applying liquid nitrogen directly to the surface of the circuit...
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5437705 |
Device and process for the recovery of cadmium and nickel
A process and device for recovering cadmium and nickel metals from Ni-Cd battery and processing scrap material containing nickel, cadmium, iron and other substances are disclosed. The process...
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5405428 |
Decontamination and/or surface treatment of metals
The invention relates to a process of decontaminating metal (especially aluminum or aluminum alloy) scrap contaminated with organic material. The problem with such methods is that undue oxidation...
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5401293 |
Waste petroleum filter recycling process
Filters contaminated with hydrocarbons are treated to reduce hydrocarbon content to acceptable levels for transportation and recycling. In one embodiment used petroleum filters are crushed and some...
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5364443 |
Process for combined decoating and melting of aluminum scrap contaminated with organics
A method of recovering an aluminum-containing metal from a scrap material containing the metal and an organic contaminant, such as paper, plastics, lacquer, paint or oil. The method involves...
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5350438 |
Method and apparatus for removing plated metal from steel sheet scraps
Metal plated steel sheet scraps are heated to a temperature in the range of about 200° C.-500° C. so that organic material adhered to the scraps is evaporated and removed. Then, the scraps from...
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5342428 |
Separation of free lead from aluminum beverage cans
A method for removing free lead from a feed stream of used aluminum beverage cans (UBC) to reduce the total lead content of the feed stream. The UBC material is shredded, heated to a temperature...
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5338335 |
Method for treatment of oil contaminated filings of magnesium and magnesium alloys
A method for the treatment of waste products, in particular oil-contaminated chips of reactive metals such as magnesium and magnesium alloys includes heading the chips to a temperature close to or...
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5304230 |
Method of disposing of organic and inorganic substances and a plant for carrying out the method
In a method of disposing of organic and inorganic substances, the substances are gasified and decomposed in and/or above a liquid bath of a metal alloy under negative pressure, off-gases forming...
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5294244 |
Thermal reclamation method for the recovery of metals from air bag inflators
A method of recovering an aluminum alloy and a stainless steel alloy from an air bag inflator 10 that has aluminum alloy parts, including an aluminum alloy housing 12 and non-aluminum alloy parts,...
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5252189 |
Method of processing used appliance batteries
Used appliance batteries are subjected to a thermal-mechanical treatment in a closed container at a temperature at which, with the assistance of mechanical pressure and/or impact, metal-plastics...
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5224984 |
Process for treatment and purification of waste gases from a secondary aluminum melting plant
A process and an apparatus for purifying waste gases from a secondary aluminum melting plant are provided, by which the individual waste gas flows are collected and thermally post-combusted,...
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5198018 |
Pyrolysis process and apparatus
A process and apparatus for the continuous pyrolytic decomposition of a feed material having an organic and an inorganic component and recovery of the inorganic component, carbon-free, for reuse in...
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5196154 |
Apparatus for the treatment of metal-laminated plastics scrap
An apparatus for the treatment of metal-laminated plastics scrap and/or radio, television or computer scrap, wherein the scrap is heated in a closed container to a temperature at which the...
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4828661 |
Process for recovery of metals from metal/plastic waste
The invention relates to a process for recovery of metals from metal/plastic waste using used etching and washing solutions from the electronics industry, with the following process steps: (a)...
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4654088 |
Decoating of aluminum scrap
A method of removing organic coatings from scrap aluminum which includes passing a bed of the scrap metal supported on a gas-permeable conveyor through a pyrolysis zone and passing an...
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4548651 |
Method for reclaiming contaminated scrap metal
Scrap metal contaminated with hydrocarbon combustibles is reclaimed by vaporizing the hydrocarbon combustibles contaminating the metal in a kiln so as to produce partially unburned fumes in said...
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4508564 |
Scrap metal reclaiming process
A method for reclaiming aluminum scrap containing thermal barrier material in a non-polluting manner comprising the steps of comminuting the scrap to relatively short pieces, conveying the...
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4468847 |
Method of segregating metallic components
A method of detaching and segregating metallic components secured to metallic articles is disclosed. The segregation is made in accordance with the alloy composition of the components. The method...
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4415360 |
Method for working-up metal-containing waste products
The invention relates to a method for converting metal-containing waste material having substantial quantities of organic constituents, such as plastics, rubber, paper and greases, to a product...
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