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| Number | Title | Issue Date |
| 7335618 | Method for manufacturing hydrorefining catalyst, and metal recovery method A heavy oil is hydrorefined using a hydrorefining catalyst. A spent hydrorefining catalyst whose activity has decreased is heat treated (S1) and pulverized to obtained a regenerated powder (S2). This regenerated powder is fractionated according to its ... | 02/26/2008 |
| 7296340 | Apparatus of recycling printed circuit board The present invention provides a recycler that recycles a printed circuit board for separating and retrieving a metallic material, which includes a printed metallic material, and an insulating material, both composing the printed circuit board. The insulating body b... | 11/20/2007 |
| 7264185 | Dry grinding system and dry grinding method The invention provides a dry grinding system including grinding means for dry-grinding a material to be ground; first classification means for classifying a ground product obtained through the grinding means, into fine powder having a relatively small average partic... | 09/04/2007 |
| 7252250 | Method and apparatus for extracting toner from toner cartridges The invention provides a method and apparatus for recycling toner cartridges. A shredder breaks up the toner cartridges into pieces, thereby releasing any toner from within the otherwise substantially sealed cartridges. The toner pieces along with any free toner pow... | 08/07/2007 |
| 7252251 | Method for preconcentration of organic synthetic materials derived from shredding of end-of-life durable goods Process for pre-concentration of recoverable polymer materials formed from residues from grinding consumer durable goods at the end of their lives such as automobiles, computer equipment and household appliances, consisting of treating the residue by steps in sequen... | 08/07/2007 |
| 7195183 | Method of processing composite wastes A method or processing composite waste including combustibles and incombustibles has a press process for pressing the composite waste, a dry distillation process for performing dry distillation on the pressed composite waste, a shredding process for shredding the co... | 03/27/2007 |
| 7143969 | Decladding method and decladding device for spent nuclear fuel reprocessing A decladding device of spent nuclear fuel easily and efficiently removes fuel pins from the spent nuclear fuel. Spent nuclear fuel pins P, made of austenitic stainless steel, and in which the spent nuclear fuel is filled, are fed by a feeder 7 one by one or b... | 12/05/2006 |
| 7134619 | Method of separating and processing catalyst carriers A method of separating and processing a catalyst carrier that is contained in a processing object that includes a catalyst carrier metal cover to which an exhaust gas pipe is still connected, magnetic carrier foil or a ceramic carrier, a surface-enlarging coating fi... | 11/14/2006 |
| 7086618 | Method for recycling aluminum alloy wheels A method of recycling aluminum alloy wheels, the method comprises providing a feed of aluminum alloy wheels of a particular alloy; subjecting the aluminum alloy wheels to x-ray separation to remove contaminates; fragmenting the aluminum alloy wheels into a plurality... | 08/08/2006 |
| 6983901 | Method for recycling aluminum alloy wheels A method of recycling aluminum alloy wheels, the method comprises providing a feed of aluminum alloy wheels of a particular alloy; fragmenting the aluminum alloy wheels into a plurality of pieces; subjecting the pieces to magnetic separation to produce pieces having... | 01/10/2006 |
| 6951050 | Process and apparatus for recovering materials from installation cables with a bunched conductor A process and apparatus for recovering conductor material from an installation cable with bunched conductors and plastic insulation cuts the installation cable into segments, presses and rolls the segments at an increased temperature ranging from 70° to 130° C. wi... | 10/04/2005 |
| 6945484 | Method and apparatus for processing municipal waste A method for processing municipal waste substantially reduces the volume of material to be disposed into a landfill by increasing the volume of materials of value collected from the municipal waste and by composting the remaining materials to create a salable produc... | 09/20/2005 |
| 6871805 | Ultra fine dead sea mineral compound and method of manufacture An ultra fine mineral compound and method of processing native Dead Sea minerals into this ultra fine mineral compound that can be used to manufacture all natural Dead Sea mineral compositions particularly compositions for use in bath and body products is disclosed.... | 03/29/2005 |
| 6824686 | Method for treating solid waste with an organic fraction The present invention concerns a method for treating solid waste with an organic fraction. A slurry (4) of the waste (1) diluted with water (3) is sieved, at least by means of a sieving device (5) which lets pieces through whose dimension... | 11/30/2004 |
| 6739532 | Method for separating adhered paper from paper-covered gypsum board A method and apparatus for separating adhered paper from paper-covered gypsum board, involving passing the gypsum board past a magnet to automatically remove ferrous materials from the gypsum board without stopping the process/apparatus, pulverizing that gypsum boar... | 05/25/2004 |
| 6605184 | Method and apparatus for treatment of fiber suspension containing minerals, such as coated broke, in paper production A method and apparatus treat fiber based material so as to reduce the loss of mineral fractions in the treatment of broke in paper production. Broke is a reusable raw material from a paper machine that contains mineral fractions which are desirably return... | 08/12/2003 |
| 6581858 | Method and apparatus for crushing fluorescent lamps and separating components thereof Components of crushed fluorescent lamps are conveyed pneumatically from a lamp crusher housing to a cyclonic hopper and enter tangentially into the hopper adjacent its upper end. The components include heavy glass particles and caps which are allowed to d... | 06/24/2003 |
| 6481650 | Method and apparatus for crushing waste tires The present invention provides a method and an apparatus for crushing and pulverizing tire chips roughly crushed to a size of 10 cm in length by completely separating to rubber components from iron components in a single crushing process. It is intended t... | 11/19/2002 |
| 6467708 | Method of processing municipal waste A method for processing municipal waste substantially reduces the volume of material to be disposed into a landfill by increasing the volume of materials of value collected from the municipal waste and by composting the remaining materials to create a sal... | 10/22/2002 |
| 6446886 | Method for producing glass sands and system therefor A method for producing glass sands including the steps of crushing glass articles to convert them into fine fragments so as to form glass fragments, then agitating finely crushed glass fragments to eliminate sharp portions while at the same time forming g... | 09/10/2002 |
| 6300402 | Compositions created by the separation and isolation of the metallic and non-metallic constituent components of printed wiring assemblies and printed wiring boards An apparatus separates a substantially metallic portion from a substantially non-metallic portion or constituent components of at least one electrical product, comprising a plurality of crushing machines, such as a first crushing machine and a second crus... | 10/09/2001 |
| 6216967 | Process for disaggregating waste materials which contain at least partially reusable elements A process is disclosed for disaggregating waste materials which contain at least partially reusable elements, mainly metals, plastics and cardboard. The waste materials are stirred in water by mechanical forces, large pieces, in particular plastic pieces,... | 04/17/2001 |
| 6213306 | Process and facility for treating and sorting recyclable waste materials The invention refers to a procedure and an installation for the pure, according to sort, processing of recoverable material refuse, with a selection of heavy disruptive materials, with a crushing process for the remaining raw refuse, with segregating proc... | 04/10/2001 |
| 6119866 | Process and device for separation of wanted materials from product mixes which contain floating/absorbent material and metals with a ferromagnetic content Process and device for separation of wanted materials from product mixes which contain floating/absorbent material and metals having a ferromagnetic content, particularly from ink cartridges by means of the following steps: coarsely comminuting the produc... | 09/19/2000 |
| 6082641 | Dross processing Apparatus and method for concentrating metallic aluminum from dross comprising a system in which dross is repeatedly and continuously passed through an impact type mill to mill the material and to enable the metallic aluminum concentrates to be separated ... | 07/04/2000 |
| 6059206 | Apparatus and process for separating materials from lamps The present invention relates to a process and apparatus for the separation of materials from within fluorescent lamps and other mercury containing commercial elements. The process and apparatus can separate materials of different compositions by non-chem... | 05/09/2000 |
| 6032882 | Method for circulation grinding of brittle grinding stock and grinding apparatus therefor In order to enable grinding, with the lowest possible specific energy requirement, of brittle grinding material, in particular moist ores and/or other moist minerals, with the use of an interparticle crushing high-pressure roll press in which the roll sur... | 03/07/2000 |
| 6015104 | Process and apparatus for preparing feedstock for a coal gasification plant A process and apparatus for coal gasification plant feedstock preparation. A raw feedstock slurry is fed to a hydrocyclone which separates and provides a primary carbonaceous-rich overflow. The primary overflow is further separated by a dewatering screen ... | 01/18/2000 |
| 5992774 | Method and system for recycling construction waste articles A method and system for recycling construction waste articles is disclosed. In the method and system of this invention, construction waste articles are crushed into primary pieces of not larger than 200 mm in size. The primary pieces are screened into agg... | 11/30/1999 |
| 5961055 | Method for upgrading iron ore utilizing multiple magnetic separators The present invention relates to upgrading iron ore to decrease the amount of nonferrous materials therein, and to thereby increase the iron content thereof. More particularly, the invention relates to a process utilizing magnetic fields to separate a sig... | 10/05/1999 |
| 5901910 | Metal recovery from salt cake and other compositions A method for recovering aluminum metal from varied size clumps of salt cake. The salt cake clumps have varied concentrations of aluminum metal. The method includes steps of segregating the varied size clumps into smaller clumps and larger clumps, by size;... | 05/11/1999 |
| 5758832 | Glass recycling system An apparatus and method for recycling glass waste comprising glass and non-glass materials. The apparatus has a device for receiving and presizing the glass waste to produce presized glass waste. A first conveyor receives the presized glass waste and tran... | 06/02/1998 |
| 5727740 | Method and apparatus for recovering fractional components of soil A method of removing fractional components from earthen material, including processes for removing precious carbon jewels from soil, precious metals from low grade ores, lead pellets from contaminated soil, and free sulphur from coal, is initiated with a ... | 03/17/1998 |
| 5683041 | Lamp processing machine A lamp processing machine for separating glass, powder and metal lamp components placed within the machine. The machine may include two generally cylindrical, concentrically mounted screens and a tube concentrically mounted between the screens. The screen... | 11/04/1997 |
| 5642863 | Method of extracting metals from ore material In this method according to the invention for extracting metals, starting ore material is subjected to material bed comminution and then leached by the addition of leaching fluid. In order to be able to ensure an optimal yield of metals even in the case o... | 07/01/1997 |
| 5524837 | Apparatus and method for processing glass containers The apparatus consists of a glass breaker alone or a glass granulator alone or combinations of the two machines along with a screen/sieve and cullet mover mechanism to sort or size the glass particles for further reprocessing or for use an end product of ... | 06/11/1996 |
| 5377920 | Method for the disposal of nickel-cadmium or nickel-hydride cells Waste material, consisting of collected nickel-cadmium or nickel-hydride cells, after a preliminary reduction in size, is subjected to a subsequent grinding reduction in size and is then screened. The screen coarse fraction (G) is separated into a light f... | 01/03/1995 |
| 5360169 | Process and apparatus for the disposal of articles containing metals or metal vapors Described are a process and device for recycling articles containing metals or metal vapors, in particular mercury-vapor lamps. The articles are fed into a container containing a liquid which converts the metal or metal vapor into harmless compounds, in p... | 11/01/1994 |
| 5352469 | Method for recovering and recycling of food products from non-metallic containers Food and other contents of non-metallic containers are recovered from the containers by cutting the container bodies into fragments, advancing along a vibrating conveyor section through a liquid spray while simultaneously tumbling the fragments and the co... | 10/04/1994 |
| 5307999 | Metallic coolant for a metallurgical bath, method of manufacture A metallic coolant for a metallurgical bath, the composition of the coolant substantially corresponding to that of the bath consists of ball-shaped bodies of sizes not less than 5 mm and not more than 60 mm, preferably 12 to 60 mm, the ball-shape factor B... | 05/03/1994 |
