Diverse Type Comminuting Zones Patents (Class 241/152.2)
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Publication number: 20090041639Abstract: Waste processing system including a shredder, a grinder and a steam explosion device such as a cooking extruder. The waste processing system is used to process raw waste, such as consumer waste, into an end product such as pellets. One potential use for these pellets is pyrolization to form biogas. Because of the uniformity composition of the processing waste (see DEFINITIONS section), imparted by the shredder and grinder, and because of the uniformity of distribution of plastic in the processing waster, imparted by the steam explosion processing, the end-product made by systems according to the present invention are superior with respect to several physical characteristics and especially well suited for pyrolization to make biogas.Type: ApplicationFiled: August 8, 2008Publication date: February 12, 2009Inventor: Warren Vanderpool
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Publication number: 20080245911Abstract: The present application discloses a recirculating crushing and grinding device for crushing and grinding liquid-like materials or materials that contain liquid, said device comprises a motor, a hopper, a crushing and grinding part and a material recirculating part. Said crushing and grinding part includes a coarse-crushing section and a fine-grinding section, said fine grinding section comprises a pair of grinding components, and said material recirculating part comprises a pump and recirculating ducts provided downstream of said crushing-grinding part. The present application also discloses a soybean milk maker employing said recirculating crushing-grinding device, and a method for crushing and grinding a recirculated material and a method for producing soybean milk. The equipment disclosed in the present invention is easy to manufacture, with the advantages of a low noise during operation and low energy consumption.Type: ApplicationFiled: May 29, 2008Publication date: October 9, 2008Inventor: Xuning Wang
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Patent number: 7419108Abstract: A method of corn fractionation wherein the resulting high starch concentration endosperm is subsequently used for ethanol production or dry milling is described. The method includes: providing substantially cleaned corn kernels, tempering the corn; screen processing to properly size the com fractions; density separation of the primary fractions; rolling and/or screening the products to produce three main fractions consisting of high starch Endosperm, high oil Germ and high fiber Bran.Type: GrantFiled: February 7, 2006Date of Patent: September 2, 2008Inventor: Glen Foster
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Patent number: 7275703Abstract: A device for the preparation of, preferably thermoplastic, plastics material for recycling purposes has a container (1) in which at least one rotating mixing and/or comminuting tool (14) is arranged. The material thus treated is fed through an outlet opening (17) which is arranged at the bottom of the container (1) and to which the feed opening (18) of a housing (19) is fluidly connected. In this housing are arranged at least two screws (21, 22) which are jointly charged with material. The diameter (D) of the container (1) and the diameter (d) of each of the screws (21, 22) are in the relationship D=103{square root over (d2K)}, where D is the inner diameter of the circular cylindrical container (1) or the inner diameter of a hypothetical circular cylindrical container converted to the same capacity and having the same effective height, d is the screw diameter, and K is a constant greater than or equal to 50.Type: GrantFiled: November 22, 2005Date of Patent: October 2, 2007Assignee: EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.HInventors: Helmut Bacher, Helmuth Schulz, Georg Wendelin
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Patent number: 7226008Abstract: A briquette meeting required strength that is formed in an energy-saving manner from ferrous metal working scrap, such as grinding chips, and a method of making the briquette are provided. In a briquette formed by applying a pressing pressure to a ferrous metal working scrap, the percentage by weight of grinding chips is in the range of 10 wt % to 35 wt %. Viscous water-containing grinding chips crushed to a desired size and metal working scrap, such as gear cutting chips, are mixed in a feed hopper 7, and a pressing pressure is then applied to the raw mix by use of a compression pressing machine 8 to form a briquette B of ferrous metal working scrap. The content of a grinding fluid of the viscous water-containing grinding chips is 20 wt % to 60 wt %.Type: GrantFiled: May 27, 2003Date of Patent: June 5, 2007Assignee: Honda Giken Kogyo Kabushiki KaishaInventor: Akira Nishio
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Patent number: 7201339Abstract: A heavy flywheel disc having a radially spaced apart array of pockets in which are mounted knives. Short logs, which have been de-barked, are fed in with their long axis parallel to the face of the flywheel. A hydraulic ram translates the logs sideways into the plane containing the rotating knives. The use of the hydraulic ram provides for a variable infeed speed to obtain the particular thickness of shavings which provides in the end commercially desirable shavings for use, for example, in horse stables. The knives have notched cutting edges. The notches limit the width of each shaving to create strands which are for example ¾ inches wide. The strands are then chopped in an automated chopping device such as a forage harvester to produce shavings.Type: GrantFiled: July 20, 2004Date of Patent: April 10, 2007Assignee: Westwood Fibre Ltd.Inventor: Darrell Ford
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Patent number: 7178750Abstract: An apparatus for reducing clogs in a pneumatic material feed line, such as employed in abrasive waterjet machining systems, by providing an evenflow feed of material therethrough. The apparatus preferably includes a hollow housing defining a housing volume and having an inlet capable of connecting to an upstream portion of the pneumatic material feed line, an outlet capable of connecting to a downstream portion of the pneumatic material feed line, and an air vent located between the inlet and outlet for venting excess air pressure out from the housing volume. A diverter, i.e. an impingement object, is located at the inlet and in a path of incoming material from the upstream portion of the pneumatic material feed line, to break up clumps of ambient moisture-ridden material impinging on the diverter. And one or more filter screens is also preferably located in the housing volume to further break up clumps and provide filtering.Type: GrantFiled: April 1, 2004Date of Patent: February 20, 2007Assignee: The Regents of the University of CalifforniaInventor: Michael J. Thiry
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Patent number: 7159807Abstract: A granular material grinder and method of use includes a hammer mill for reducing incoming granular material into particulate material, a microgrinder for reducing the particulate matter into microground powder by particulate matter to particulate matter collisions, and a product collector to collect the microground powder portion. The granular material grinder having the feature of being operated in a closed system to facilitate efficient recovery of grain into microground powder and operable in a cooled inert gas to prevent any compound degradation due to temperature or oxygen.Type: GrantFiled: September 29, 2004Date of Patent: January 9, 2007Inventor: Roger A. Montag
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Patent number: 7100851Abstract: The present invention provides an apparatus for dispersing pigment in a water-based or oil-based intermediate mixture for producing a coating composition comprising a mixer and a dispersing device, the mixer having a vacuum pump and capable of conducting a primary mixing of a pigment component and resin-containing liquid medium to form an intermediate mixture, the dispersing device capable of conducting the secondary mixing of the intermediate mixture, the mixer and the dispersing device being connected by pipes to form a circulation channel for the intermediate mixture, one of the pipes being provided with a seal-less pump, the intermediate mixture capable of circulating between the mixer and the dispersing device through the circulation channel.Type: GrantFiled: April 27, 2001Date of Patent: September 5, 2006Assignee: Kansai Paint Co., Ltd.Inventors: Masahiko Hiraki, Yushi Taguchi
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Patent number: 7100852Abstract: True zero-clearance cutting on a commercial scale is provided via a cutting area including a sacrifice material that is relatively softer than the cutter. One example is a cutting system which is capable of cutting a material such as, for example, tape or paper, into a fiber or powder. The cutting system includes a cutting blade, typically a rotary cutter, and a sacrificial plate or round bar contacting the cutting blade. The contacting portion has a zero clearance during the cutting operation. A metering mechanism is also provided which is capable of metering the material at a predetermined rate to the cutting blade. A mechanism is also provided for incrementally moving the sacrificial blade towards the cutting blade to ensure that the zero clearance is maintained between the cutting blade and the sacrificial plate, even when the sacrificial plate begins to wear down due to usage.Type: GrantFiled: September 16, 2004Date of Patent: September 5, 2006Inventor: Charles A. Castronovo
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Patent number: 6988683Abstract: Apparatus (2) for crushing glass or ceramic material, which apparatus (2) comprises a rotor (4), rotor blades (6) on the rotor (4), at least one stationary blade (8) which cooperates in use with the rotor blades (6) as the rotor (4) rotates, and a chamber (16) for receiving crushed glass or ceramic material (18), the apparatus (2) being such that the rotor (4) is upstream of the chamber (16), the glass or ceramic material (18) is first broken into fragments (20) on impact with the rotor (4), the fragments (20) are reduced in size and formed into cullet (22) by passing through a gap (24) between the rotor blades (6) and the stationary blade (8), and the action of the rotor blades (6) and the stationary blade (8) causes the cullet (22) to be such that it will not cut, is safe for handling, and is suitable for further use without further processing.Type: GrantFiled: March 20, 2001Date of Patent: January 24, 2006Assignee: Global Eneco LimitedInventor: Stephen Whettingsteel
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Patent number: 6824086Abstract: A method for creating ultra-fine particles of material using a high-pressure mill is described. The method includes placing a material in a first chamber and subjecting the material to a high-pressure fluid jet to divide it into particles. These particles are then transferred to a second chamber in which they are subjected to cavitation to further divide the particles into relatively smaller particles. These relatively smaller particles are then transferred to a third chamber, in which the particles collide with a collider to still further divide them into ultra-fine particles of the material. The mill of the present invention includes a first chamber having an high-pressure liquid jet nozzle, first and second slurry nozzles, a second cavitation chamber and a third chamber which houses a collider. In one embodiment, the slurry nozzle has an inner surface and sharp edges that project slightly out from the inner surface.Type: GrantFiled: October 6, 2000Date of Patent: November 30, 2004Assignee: Cornerstone Technologies, L.L.C.Inventors: Marian Mazurkiewicz, Bruce E. Conrad
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Patent number: 6793166Abstract: The invention provides a method and installation for processing heterogeneous value bearing material by pressure comminution. The material is compressed in a bed of particles, at low pressures and at low bulk material densities, and preferably no more than is necessary to liberate the desired values, thereby to minimise the formation of fines. The compressive bed pressure applied to the material does not exceed 300 MPa, and the process is preferably operated in an open circuit mode. Surprisingly, these measures lead to enhanced liberation of values compared with conventional comminution techniques.Type: GrantFiled: November 15, 2002Date of Patent: September 21, 2004Inventors: James Anthony Jude Tumilty, Vilim Ser, Carlos Mauricio Feldman, Jan Tjeerd Smit
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Patent number: 6766970Abstract: An apparatus that pulverizes feedstock material with crushers injects a liquefied inert gas into the feedstock material, evaporation of the gas causing the material to become very cold, brittle, facilitating further processing. Very fine finished particle sizes, passing −200 micron mesh screens, result from the use of the apparatus. The apparatus generally requires little maintenance to achieve such small particle size as compared to mechanical crushers. Because of the effect of the inert gas upon the feedstock material, pulverization generally occurs by impact only. A method for pulverizing is also described.Type: GrantFiled: December 6, 2001Date of Patent: July 27, 2004Inventor: Anthony J. Pecora
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Patent number: 6729565Abstract: The present invention provides a process and processor for reusing waste paint (i.e., a process and processor for converting waste paint into resources) which bring about efficient processing of the waste paint. In the process for reusing the waste paint, the waste paint is rolled between a pair of heated rotating drums disposed opposite to each other, to dehydrate and dry the waste paint (rough drying step); and the dehydrated and dried waste paint is ground by a rotating grinding rotor of which axial is perpendicularly arranged in a processing tank and further the dehydrated and dried waste paint is dehydrated, dried and pulverized (main drying step).Type: GrantFiled: October 2, 2001Date of Patent: May 4, 2004Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Tomihisa Yamakawa, Kuniya Sonehara, Takayuki Kawaguchi
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Patent number: 6644572Abstract: Equipment for the recycling of polyolefinic plastic sheeting material that comprises: breakers (6) for plastic material; separating devices (10) for separating material of higher density; crusher mills (26); and water separating tanks (62, 68), with a lower outlet and with a feeder that carries the material to the bottom (72) of the tank (62, 68); the equipment also comprises a pump (78) connected to the outlet (74) and equipped with an outlet (80); several movable devices (82) suitable for promoting suction flow of this water and materials through the inlet (76) and a propulsion flow through the outlet (80); and a motor (84) of variable speed suitable for driving the movable devices (82), such that a variation in the speed causes a variation in the flow rate of the flows.Type: GrantFiled: September 20, 2001Date of Patent: November 11, 2003Inventor: Josep Peruga Cases
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Patent number: 6595446Abstract: A soil modifying machine comprises a machine body, a hopper through which a soil to be modified is fed to the machine body, a soil conveying means for conveying the soil supplied through the hopper, a soil conditioner supply device for supplying a soil conditioner to the soil, a mixing unit disposed at a discharge portion of the soil conveying means, the mixing unit comprising an outer case, a soil cutter device disposed inside the case and a plurality of impact hammers disposed below the soil cutter device, and a modified soil conveyer disposed at a discharge portion of said mixer unit. The soil cutter device may comprise a cylindrical drum, a plurality of cutters mounted to an outer peripheral surface of the drum, and a motor for driving and rotating the drum. Each of the impact hammers may comprise a rotational shaft, a plurality of hammer pieces, each in shape of plate, mounted to the rotational shaft and a motor for driving and rotating the impact hammer.Type: GrantFiled: September 19, 2000Date of Patent: July 22, 2003Assignee: Komatsu, Ltd.Inventors: Yasuhiro Kamoshida, Yasuhiro Yoshida
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Publication number: 20030116662Abstract: The invention provides a method and installation for processing heterogeneous value bearing material by pressure comminution. The material is compressed in a bed of particles, at low pressures and at low bulk material densities, and preferably no more than is necessary to liberate the desired values, thereby to minimise the formation of fines. The compressive bed pressure applied to the material does not exceed 300 MPa, and the process is preferably operated in an open circuit mode. Surprisingly, these measures lead to enhanced liberation of values compared with conventional comminution techniques.Type: ApplicationFiled: November 15, 2002Publication date: June 26, 2003Inventors: James Anthony Jude Tumilty, Vilim Ser, Carlos Mauricio Feldman, Jan Tjeerd Smit
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Patent number: 6527206Abstract: A method for processing mixed waste in a continuously operating processing plant comprising a plurality of successive stations which are connected to each other by means of at least one conveyor segment and wherein the mixed waste material is processed in at least one step of the inventive method and/or conveyed along at least one conveyor section, whereby the particles in the stream of mixed waste are accelerated at least in one transfer site between a conveyor section or one transfer site between two conveyor sections. Also disclosed is a processing plant for implementing said method and buffer silos which are used in the plant.Type: GrantFiled: October 2, 2000Date of Patent: March 4, 2003Assignee: “der Gruene Punkt”, Duales System Deutschland AGInventors: Alfons Wuebbels, Josef Koetting
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Patent number: 6499984Abstract: A single pass, continuous, automated system for producing a pharmaceutical granulation includes multiple feeders to feed powders and liquids, a twin screw processor to granulate, a radio frequency or microwave based drying apparatus to dry the granulation, and at least one mill to process the dried granulation to desired particle sizes. The system incorporates means for monitoring key process parameters on-line, all of which are controlled by a controller provided with feedback at each component of the system. The granulation produced can be compressed into a tablet or incorporated into a capsule, both having a uniform distribution of the active ingredient. The system produces product having consistent properties even when production is scaled up for manufacture of the tablet in commercial volume.Type: GrantFiled: May 22, 2000Date of Patent: December 31, 2002Assignee: Warner-Lambert CompanyInventors: Isaac Ghebre-Sellassie, Matthew J. Mollan, Jr., Nitin Pathak, Mayur Lodaya, Mebrahtu Fessehaie
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Patent number: 6402069Abstract: In a comminution machine, which is particularly used in industry, with an emulsifier (3), a particularly simple structure with a single driving device for conveying, cutting and emulsifying the material to be chopped is guaranteed when, between a support body (32a) on a stator (32) of the emulsifier (3) and a fulling body (33a) on the corresponding rotor (33), there is a successively narrowing gap (36a) area in which the material to be chopped is exposed to a further constant fulling comminution under pressure. The rotor (33) is rotationally connected with the shaft (4) of the cutting and conveying device of the comminution device. On the rotor (33) a co-axial hub (33c) connected to the fulling body, is provided, with which hub the rotor (33) is fitted on the shaft (4).Type: GrantFiled: June 21, 1999Date of Patent: June 11, 2002Assignee: Tiromat Kraemer + Grebe GmbH & Co. KGInventors: Anders Østergaard, Eva Meissner, Peter Lauber
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Patent number: 6342539Abstract: 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 crushing machine and a separating machine. The first crushing machine crushes the at least one electrical product to create at least one crushed electrical product. The first crushing machine has a first screen affixed thereto to regulate a first flow of the at least one first crushed electrical product from the first crushing machine. The second crushing machine crushes the at least one first crushed electrical product to create at least one second crushed electrical product. The second crushing machine has a second screen affixed thereto to regulate a second flow of the at least one second crushed electrical product from the second crushing machine.Type: GrantFiled: September 26, 1997Date of Patent: January 29, 2002Assignee: Resource Concepts, Inc.Inventor: Ray Chapman
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Patent number: 6318649Abstract: A method for creating ultra-fine particles of material using a high-pressure mill is described. The method includes placing a material in a first chamber and subjecting the material to a high-pressure liquid jet to divide it into particles. These particles are then transferred to a second chamber in which they are subjected to cavitation to further divide the particles into relatively smaller particles. These relatively smaller particles are then transferred to a third chamber, in which the particles collide with a collider to still further divide them into ultra-fine particles of the material. The mill of the present invention includes a first chamber having an high-pressure liquid jet nozzle, first and second slurry nozzles, a second cavitation chamber and a third chamber which houses a collider. Sensors may be located throughout the mill to collect data on the comminution process and to use the data to control the resultant particle size.Type: GrantFiled: October 6, 1999Date of Patent: November 20, 2001Assignee: Cornerstone Technologies, LLCInventor: Marian Mazurkiewicz
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Patent number: 6276619Abstract: A method and system for producing an animal bedding material from recycled waste paper, and including one or more chemical additives. The base material is fiberized, and the chemical additives may include: pesticides, disease immune additives (medicines), ammonia inhibitors, fire retardants, or other additives, depending on the characteristics desired of the final product. At least one of the additives is applied as a liquid.Type: GrantFiled: May 15, 1997Date of Patent: August 21, 2001Assignee: Cellulose Technologies Group, Inc.Inventors: William N. Turk, Marvin Johnson
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Patent number: 6230995Abstract: The invention concerns a micronizing device comprising a grinding housing with an outlet opening at one end, two coaxially positioned rotatably driven hollow axles entering the grinding house through two opposite side walls thereof, each of said axles having an inner end provided with a conically enlarging disc defining a grinding chamber, a circumferential outlet gap being formed between said discs, each disc being provided with at least one concentrically positioned ring of axially directed taps or wings near the circumference of the disc, the rings having different diameters, so that said discs can be driven to rotate in opposite directions, two acceleration nozzles are brought into the grinding chamber through the hollow axles, said nozzles being directed towards a common point in the grinding chamber away from a center point of said grinding chamber. The invention concerns also a method using said device.Type: GrantFiled: October 21, 1999Date of Patent: May 15, 2001Assignees: Micropulva Ltd Oy, BCDE Group Waste Management Ltd OyInventors: Jouko Niemi, Veikko Ilmasti, Hannu L. Suominen
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Patent number: 6199778Abstract: Systems and processes of the present invention for recycling glass fiber waste into glass fiber product include a supply of scrap glass fibers having a mean average length of less than about 5 millimeters; a crusher having at least one pair of rotatable rollers which rotate at essentially the same speed, the rollers having intermeshing protuberances for crushing scrap glass fibers passing therebetween; and an air separating device for separating a first portion of crushed glass fibers having a mean average length of less than about 3 millimeters from a second portion of oversize glass fibers.Type: GrantFiled: November 6, 1996Date of Patent: March 13, 2001Assignee: PPG Industries Ohio, Inc.Inventor: Curtis L. Hanvey, Jr.
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Patent number: 6193178Abstract: A waste disposal apparatus is disclosed. The apparatus comprises a crushing device for crushing the waste; a ripping device for ripping the waste; a sieving device having an upper mesh and a lower mesh for sieving out the larger waste blocks and the smaller waste blocks respectively by means of vibrating; an initial separation device for sieving out the smaller waste blocks separated from the lower mesh by employing a number of gates and utilizing the fact that different kinds of waste are different in specific gravity and thus having different immersion depth in the water; a cutting device for cutting the waste blocks with lower specific gravity; an advanced separation device for further sieving out the cut waste pieces; and a strainer device for sieving out the fined waste. By utilizing this apparatus, the purposes of saving power, reducing operation and maintenance costs, and lowering the failure times in a waste disposal process are realized.Type: GrantFiled: April 14, 1999Date of Patent: February 27, 2001Inventor: Steven Tse
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Patent number: 6186428Abstract: A bio-hazardous waste processor and optional encasement is described that uses a coolant such as liquid nitrogen to make the waste brittle in the hopper before crushing, keep the waste brittle in the down chute after crushing and also during shredding in the demolition chamber. After shredding, a fog of sterilant is used to disinfect the waste. The apparatus comprises an input hopper with a crushing wheel and dead plate towards its base to reduce the size of large particles, and a down chute which leads the crushed waste from the crushing wheel to a demolition chamber. In the demolition chamber, shredding is implemented by: one or more hammers and one or more commercially available off-the-shelf saw blades, the hammer(s) and saw blade(s) rotating in the same or opposite directions; or, one or more commercially available off-the-shelf dado saw blades, adjacent dados rotating in opposite directions.Type: GrantFiled: December 28, 1998Date of Patent: February 13, 2001Assignee: Steriwaste, Inc.Inventors: Stanley L. Robinson, Michael A. Gerber, Bernard F. Sarlo, Stanley VanClair
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Patent number: 6170770Abstract: 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 into a secondary carbonaceous-rich overflow and a media bleed slurry. The secondary overflow is crushed by a crusher and a portion of the media bleed slurry is added to the crushed secondary overflow for subsequent milling and conditioning.Type: GrantFiled: August 11, 1999Date of Patent: January 9, 2001Inventor: John W. Rich, Jr.