Abstract: Method for disrupting S. Cerevisiae yeast cells in an aqueous solution, by means of a continuous process under high pressure (up to 4000 bar), using a homogenizer. The suspension to be processed passes through a homogenizing valve with a “sharp edge” or “knife edge” passage head in order to achieve a 100% cell disruption rate with a single passage, at a dynamic pressure equal to or above 2000 bar. The “sharp edge” or “knife edge” profile of the passage head (4) is characterized by an inside diameter (9) of 10.9-14 mm and an outside diameter (10) of 11.9 mm-15 mm, and operates at a flow rate of 100-500 liters/hour and a dynamic pressure of more than 2000 bar.

Abstract: A process for preparing ground resin particles is provided by modifying a jet mill with opposed fluidized bed. By using a jet mill having a plurality of jet nozzles disposed at predetermined positions in a barrel of a grinding chamber toward the injection point of the grinding chamber and a bottom wall having a flat surface in part or in whole, parallel to the jet nozzles, or having a conical projection immediately below the injection point, resin particles to be ground are jetted with or without water, thereby being ground to obtain ground resin particles of an intended particle size.

Abstract: An apparatus and process for naturally recycling poultry carcasses for use as a nutritional supplement, the apparatus generally consists of four modules: an enzymatic digest medium mixing assembly that self adjusts for pH; a mobile grinding assembly mounted on a truck trailer; a digesting and emulsifying assembly which includes a heated tank and separator; and a drying system. Carcasses are loaded into the grinder, and the ground carcasses are pumped into a storage tank with the enzymatic digest medium to produce a protein soluble mixture. The particle size of this mixture is then further reduced, and transported to a centralized and stationary processing plant for digesting and emulsifying. The remaining emulsified proteins are then dried. The resulting pellet-like pieces are uniformly sized for packaging.

Abstract: The invention relates to a process for the granulation of sludge- and optionally dust-form material, in which the material to be granulated is mixed with hydratable or hydraulically settable solids and water, which solids react exothermically with water and act as binder in the mixture, where the solids are allowed to hydrate or set fully or partly, and where the mixture containing the fully or partly hydrated or set solids is shaped into granules, where the solids and, if desired, dust-form materials to be granulated are wetted or moistened with water, and subsequently and/or at essentially the same time the solids are mixed with the material to be granulated. The invention also relates to an apparatus for carrying out the process.

Abstract: An oil collecting apparatus (1) and a method for collecting oil or the like comprises a frame (5) designed to form a restricted space with the surface of water or ice (VL), and a discharge opening (8) for discharging water and oil from side restricted space. For efficient recovery of oil, the apparatus comprises elements (7,10) for lowering the air pressure in the restricted space, such that the water level rises higher inside the frame (5) than outside it, and a disintegrator (10) arranged rotatably in the frame (5), the rotational movement of the disintegrator emulsifying the oil mixed with the water and breaking possible pieces of ice (13) in the restricted space, such that the water-oil mixture can be removed from the restricted space via the discharge opening (8).

Abstract: The invention relates to a jet mill of modular design for the comminution of powdery materials. An inner pulverizing casing made entirely of wear-resistant material is freely mounted in an outer casing pressure vessel.

Abstract: A processing apparatus for fluid with a simple structure, high productivity, ability of precise dispersion, emulsification and grinding, is provided. The apparatus of the present invention comprises at least two processing faces of a first face and a second face, both of which are arranged in a tight-closed passage, and positioned opposite to each other to constitute part of said passage, and a contact pressure applying mechanism for putting both faces 1, 2 into closed contact with each other, wherein the rotation of the second processing face 2 in respect of the first processing face 1 may cause dispersion or emulsification of the fluid to be processed between both processing faces 1, 2.

Abstract: An eductor-spike nozzle device includes (a) a first cylindrical member having a first wall including a cowl lip and defining a first hollow interior, and (b) a second cylindrical member mounted within the first hollow interior and having a second wall (i) externally defining an annular flow path with the first wall for flow of a first stream of fluid, and fluid compressing throat region with the cowl lip for creating a high velocity stream, and (ii) internally defining a second hollow interior for flow of a second stream of fluid so as to form the composite stream of high velocity fluid with the first stream of fluid, thereby increasing a probability of the composite stream receiving and entraining particles introduced into the composite stream.

Abstract: A jet mill includes plural nozzle devices for discharging a composite stream of high velocity fluid. Each nozzle device includes a plural odd number of nozzle openings for discharging an individual stream of high velocity fluid. Each nozzle opening comprises (i) a converging region for converging and accelerating a volume of high pressure fluid; (ii) a throat region defining a narrowest diameter region of the nozzle opening; (iii) a first expansion region for producing a linear expansion of the volume of high pressure fluid, and (iv) a second expansion region for producing a turning expansion as well as a parallel flow of the volume of high pressure fluid. The first expansion region has a radius “r1” and a length “s1” with radius r1 and length s1 determined such that (dr1/ds1) is a constant. The second expansion region has a radius “r2” and a length “s2” with radius r2 and length s2 determined such that (dr2/ds2) is non-linear and a function of s2.

Abstract: A system for recycling reusable resin mold products recovered from discarded apparatuses is disclosed. This recycling system includes a crushing system for crushing resin mold products one kind by one kind into crushed resinous pieces and packing the same in a bag, a classification system for irradiating a light beam to the resin in the bag and classifying the bags into respective kinds of resins based on a reflected beam therefrom, a cleaning system for separately cleaning the respective kind of crushed resinous pieces taken out of the bag to remove foreign matters adhered onto the surfaces of the crushed resinous pieces therefrom, and a recovery system for recovering the cleaned crushed resinous pieces.

Abstract: A system for treatment of infectious waste including an impactor coupled to a mixing drum that can be pressurized. Infectious waste is introduced directly into the impactor, where the waste is pulverized, then introduced into the mixing drum through its inlet end for mixing with a treatment fluid effective to kill pathogenic organisms. The drum is sealed, and superatmospheric pressure is applied therein to drive the treatment chemicals into the waste particles. After treatment, the treated waste and treatment chemicals are discharged from the drum through the inlet end of the mixing drum.

Abstract: In a coal preparation plant which receives a raw coal feed and separates the raw coal feed into a clean coal feed and a refuse feed, an apparatus is provided for use therein. The inventive apparatus mixes the sized raw coal feed particles with a slurry of media and water used for separating the raw coal feed into clean coal and refuse. The inventive apparatus includes a pulping column integrally designed with the discharge chute of a deslime screen and the drain section underpan of clean coal and refuse screens. The pulping column having a coal inlet receiving the sized raw coal directly from the deslime screen, a media inlet receiving the slurry of media and water directly from an underpan of at least one of the refuse screen and the clean coal screen, and an outlet discharging the mixture of sized raw coal and slurry.

Abstract: A method includes mixing a contaminated material with water in a wet-type mixing and grinding mill. The water is agitated. The Agitated water goes through the contaminated material. Larger particles are separated from smaller particles by an alternating and mechanical energy field acting in the mixing and grinding mill. An eluate is exposed to mechano-chemically activated sorbens material. The solids are separated from the water.

Abstract: A stream (A) of first foodstuff has a first pH and a stream (B) of second foodstuff has second pH. The first pH and second pH are oppositely related to a third or target pH for the foodstuff such that one pH level is above the target level while the other pH level is below the target level. The two streams (A) and (B) are combined in a proportion to produce a combined or third foodstuff at the target pH. One or both of the first pH and second pH are sensed or otherwise determined, preferably on a continuous basis, and then these pH values are used to determine the proportion at which the stream of first foodstuff and stream of second foodstuff are combined and mixed. Particularly, the pH modification can be loosely controlled to produce an over-modification in the first foodstuff and then the stream (B) of second foodstuff may be combined with the stream (A) first foodstuff to produce a stream (C) of material having the target pH.

Abstract: The invention relates to the chopping of thin webs, and notably to the chopping of edges trims of thin webs. It proposes a chopping device for thin webs, comprising an input section (10) for receiving the web to be chopped; an accelerating section (18) for accelerating the front end of the web received from the input section. Preferably, the device also comprises at least one puncturing means or knife (13) located between the input section and the accelerating section. The invention also relates to a process for chopping thin webs, comprising the steps of providing an incoming web and accelerating the front end of the incoming web so as to tear off said front end, e.g. by causing the web to contact a puncturing device.

Abstract: A pulp heating apparatus has a heater main body 1 which has a pulp introduction port for introducing pulp, a vapor introduction port for introducing vapor, a disperser for dispersing the pulp introduced via the pulp introduction port under a high temperature and a pulp exhaust port for exhausting the pulp dispersed by the disperser and is arranged in a horizontal direction. The disperser has a spiral vane section which continues spirally around a rotational shaft and discontinuous vane sections around the rotational shaft. The pulp introduction port is provided at a bottom section of the heater main body and is connected to an introduction passage. A screw conveyor is provided on the introduction passage. A forward end of the introduction passage faces towards the spiral vane section.

Abstract: Apparatus for treating waste, particularly all types of medical waste, to facilitate its disposition includes a treatment vessel having an open top pivotal within a housing to a waste-loading position with its open top aligned with the housing inlet for receiving the waste, a waste-treating position for shredding the waste by a shredder unit disposed within the treatment vessel, and a waste-removing position with its open top aligned with the housing outlet for removing the shredded waste. The apparatus further include a compactor head for compacting the waste within the treatment vessel, a water feed line, and a disinfectant feed line, for feeding water and a disinfectant into the treatment vessel, for mixing with the waste while it is being compacted and shredded.

Abstract: An apparatus for crushing waste metal products includes a rotor having crushing means on a periphery thereof and a casing enclosing the rotor. The casing has an inlet and an outlet for products to be crushed. An exhaust gas from the casing is partly returned to the inlet of the casing by a circulator. The rest of the exhaust gas is ventilated and processed by an exhaust processor. An oxygen concentration is monitored in a gas pathway of the circulator to control the gas concentration in the casing. If the oxygen concentration is high, a water shower sprays into the casing.

Abstract: A paper machine includes a traveling belt for carrying a fiber web, and a cutting device disposed below the belt for cutting the fiber web into smaller pieces. The cutting device has an inlet and an outlet. A guiding device guides the fiber web from the belt to the inlet of the cutting device. A pulper is connected with the outlet of the cutting device for receiving the smaller pieces of fiber web from the cutting device. The traveling belt may be in the form of, e.g., a wire, felt or water impervious belt. The cutting device may be in the form of, e.g., a shredder, fluffer, water jet cutter, laser cutter and/or roll cutter.

Abstract: A coffee blending and dispensing apparatus whereby coffee purchasers can automatically customize a desired blend of two or more different types of coffee beans that weighs and packages the blended coffee in containers either as ground coffee blend or as a whole coffee bean blend. The blending and dispensing apparatus includes a plurality of coffee bins, each containing a predetermined type of coffee bean supported over a scale. Each coffee bin includes a controlled discharge for directing selected predetermined amount of coffee beans contained therein to the scale for weighing. Upon weighing, the selected blend of coffee beans are conveyed to a bagging station, where blended coffee beans may be finally packaged either in a ground form or a whole bean form.

Abstract: The method for granulating liquid slag melts, in particular blast furnace slag, in which the melt (2) is ejected into a cooling chamber via a slag tundish (1) and in which fluid under pressure, in particular compressed gas, vapor or pressurized water, is injected in the direction of the slag exit (6) in order to eject said liquid slag, is characterized in that the pressure fluid jet discharges into a throttle pipe (3) which is immersed in the slag bath and whose lower edge is mounted so as to be adjustable in the height direction (4). The corresponding device comprises a lance (7) which is surrounded by a height-adjustable throttle pipe (3) whose lower edge (5) is immersed in the slag bath (2) contained in the tundish (1) and forms a throttling cross section between the slag exit (6) and the slag bath (2).

Abstract: An automatic foodstuff waste processing system comprises a conveying apparatus for removing salt and bad odors by the supply of washing water and facilitating the withdrawal of vinyl, etc. during the conveying of foodstuff wastes, a crushing apparatus for effectively crushing the foodstuff waste twice, while separating and removing the metal material, a drying apparatus for drying the foodstuff waste and removing the bad odors during the drying, a cutting apparatus for cutting the dried foodstuff waste into chips to be collected for feeds and collecting the sludge, separately, and washing water removing apparatus for enabling the automatic washing of the inner portion of the system, thereby performing a series of the foodstuff waste processes to manufacture feed chips as its by-products and enabling the processing of a larger amount of foodstuffs according to its size without the environmental pollution or contamination.

Abstract: 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.

Abstract: An system for treatment of infectious waste including a impactor coupled to a mixing drum that can be pressurized, infectious waste and a treatment fluid comprising a substance effective in killing pathogenic organisms being introduced directly into the impactor where the waste is pulverized forming unrecognizable particulate matter mixed with fluid, and the waste from there being introduced into the drum for mixing and subsequently pressure treatment by providing a superatmospheric pressure in the drum to drive chemicals effective in killing pathogenic organisms into voids in the solids and also into spore walls and cell membranes to provide a more speedy and effective kill.

Abstract: A method and apparatus is provided for the processing of polypropylene fiber from polypropylene twine. The material may be produced from feedstock after its first instance of usage. The feedstock may have residual contamination resultant from its first instance of usage. The method is provided to collect feedstock in skeins, sever the skeins into bundles, wash, disinfect and pH neutralize the surface of the feedstock, cut to length and reduce the feedstock to a fibrous clean, dry state suitable for use as a reinforcement or additive to composite material.

Abstract: An initial comminuted meat product (21) is exposed to ammonia to produce an ammoniated meat product. The ammoniated meat product is further comminuted in a comminuting device (12) to produce a further comminuted meat product (22). The ammonia exposure to the original comminuted meat product (21) is controlled to result in a pH of at least around 6.0 in the further comminuted meat product (22).

Abstract: In a process for granulating and comminuting molten material, the slag melt is acted upon by compressed water and discharged together with the vapour formed. The liquid slag is introduced into a granulation chamber in a free flowing jet while directing compressed water jets against the slag jet, whereupon the solidified and granulated slag is conducted through a pneumatic conveyor duct and a distributor along with the vapour formed. The partial streams leaving the distributor, via conically tapering nozzles are transferred into a grinding space exhibiting a lower pressure than the granulation space and from which the comminuted and solidified material is drawn off.

Abstract: A composting assisting apparatus having a rotatable drum mounted on a support frame. A plurality of blades are mounted on the drum and arranged in a helical path along the axis of the drum. When the drum is rotated, the blades on the drum are rotated in a direction transverse to a forward direction of the support frame to engage, break up and aerate waste.

Abstract: A system for gasifying styrofoam and liquefying the resulting gas to a liquid styrofoam. This system is particularly useful for disposition of the styrofoam onto which non-meltable substances adhere. The system includes a pulverizing mechanism for pulverizing a lump of styrofoam and a melting vessel for melting the pulverized styrofoam. The resulting melt is filtered by a strainer to remove the non-meltable substances. The filtered styrofoam melt is transferred to a gasifying vessel for vaporization. The styrofoam gas (combustible gas) is then condensed by a gas cooler. A gas leaking from the melting vessel to the pulverizing mechanism through the constant volume feeder is discharged by a discharge line. The styrofoam gas is a combustible gas so that it may be used as a fuel gas for a gas burner. Part or all of the styrofoam gas is condensed by the gas cooler and recovered as a fuel oil.

Abstract: This invention provides a non-ball mill, which makes the material to circulate at high speed within the mill so as to crush the material by means of the impact and friction among the material themselves. The mill includes base, motor, body for forming milling chamber, return funnel, and outlet port. A shaft driven by a motor penetrates the milling chamber and is provided with a rotating assembly for rotating the material within the milling chamber. The milling chamber consists of an upper chamber and a lower chamber formed respectively by pyramidal upper and lower body, so as to make the material to circulate within the milling chamber. A separating chamber is provided at the upper portion of the upper chamber, and the separator mounted on the shaft output the material of fine size to the outlet port. The mill has the advantageous of less energy consumption, no consumption of steel, light weight, high productivity, reduced wearing rate, small noise and vibration.

Abstract: The present invention discloses an apparatus and method for the processing of refuse mixtures which may include relatively high concentrations of plastic waste, such as refuse mixtures including waste packages originating from household refuse and industrial refuse and especially refuse mixtures including plastic waste in the form of sheeting, hollow bodies, beakers and composite materials whereby the solids of the refuse mixture are comminuted, the communited refuse mixture is then moistened, mechanically disintegrated, mixed with a separating fluid and then dewatered and separated by density by a sorting centrifuge thereby obtaining a plastic fraction which is free of impurities.

Abstract: A method and apparatus for grinding granular solids in liquid slurry form within a mill. The solids density of the feed slurry is maintained below the solids density in the mill, thus causing the liquid to flush through the mill, preferentially carrying and discharging finer relative to coarser particles. Discharged solids thus have a smaller concentration of overground solids, and grinding capacity and power consumption by the mill are optimized.

Abstract: A trash disposal system for a building which facilitates the process of disposing of trash created within that building. The system includes a chute having an inlet within the building which routes the trash to one or more comminutors, such as grinders, arranged in series. The particles output from the comminutors are reduced in size and pass into a collection vessel installed underground external to the building. An agitator within the collection vessel mixes the trash particles introduced therein and promotes dissolution of the trash particles into water within the collection vessel. The water within the collection vessel, and the trash particles dissolved in that water, are either pumped or flow by gravity from the collection vessel to either a sewer lateral or a drain field for distribution. A method of disposing of trash is also disclosed.

Abstract: A dispersion method for uniformly dispersing solid or liquid fine particles in a solvent utilizes a supercritical fluid. A dispersoid of a solid, a liquid or the like is mixed with a solvent, and the resulting mixture is fed to a supercritical vessel. A supercritical solvent is then fed to the supercritical vessel and heated and compressed to a level higher than the critical temperature and critical pressure thereof to convert it to a supercritical fluid. The supercritical fluid and mixture of dispersoid and solvent are mixed together to form a supercritical mixture, which is released to atmospheric pressure in an explosion-crashing tank and subjected to collision within the explosion-crashing tank to efficiently disperse the dispersoid in the solvent.

Abstract: The present invention is directed to an automated composting apparatus which includes a rotatable drum assembly mounted to a chassis which is adapted to provide wheeled transportability for the entire composting apparatus. Automation is provided primarily by a feedback control system having at least one sensor disposed inside the rotatable drum assembly, and being disposed to control the temperature and flow of air and/or water into the composting materials disposed in the rotatable drum assembly. The interior of the rotatable drum assembly has several unique features including a plurality of stationary dispensers mounted to a stationary, substantially hollow axle. The dispensers are adapted to disperse air and/or water into the compost material as the compost material is moved in and through the rotatable drum assembly.

Abstract: According to the method for controlling the grinding of mineral raw materials, at a predetermined value i* of the impregnation level to which the fines of the specimen are impregnated by the impregnating agent, the effective spin-lattice relaxation time of the impregnating agent protons is measured. Each time the parameters of the grinding process are set so that the approximation s'.sub.NMR for the specific surface area of the fines will attain a prescribed value s.sup.o.sub.NMR. Each time the residue percentage of the fines retained on a sieve is determined and at the onset of an increase of the residue percentage the grinding is controlled so that a subsequent agglomeration of fines particles is suppressed. The fines are impregnated by a liquid impregnanting agent comprising hydrogen atoms.

Abstract: An apparatus of an elongated polygon-shaped vessel having a longitudinal axis, and an internal volume, wherein the elongated vessel is rotatably mounted about its longitudinal axis, and wherein optionally, the internal volume is divided into a plurality of transverse chambers having a polygonal cross-section shape, and can optionally be further divided into a plurality of longitudinal sections, an inlet for receiving material, and an outlet for removing material, is useful, for example, as a composter for municipal solid waste (MSW), source separated organic waste, yard waste, sewage sludge, and of organic hazardous waste, as a wet mill to reduce the sizes, mix, and screen materials, such as MSW, source separated organic waste, yard waste, sewage sludge, and organic hazardous waste, and as a rotating vessel, such as a cement kiln or ball mill.

Abstract: A poultry and swine pulverizing or grinding apparatus comprises an enclosed housing having an inlet end and an outlet end. A grinding drum is rotatably mounted within the enclosed housing and provided with raised cutting teeth extending in a helical orientation along the longitudinal length of the grinding drum. A carcass retention element is positioned adjacent the length of the grinding drum and cooperates therewith to facilitate pulverizing or grinding of animal carcasses by the grinding drum into small size particles which exit the housing through the outlet end. The grinding drum of the apparatus is motivated by an operatively connected motor. Also described is an automated system for preparing animal carcasses for lactic acid fermentation and/or further processing utilizing the aforesaid grinding apparatus.

Abstract: A coffee blending apparatus for automatically custom blending two or more different types of coffee beans with or without added flavoring to an individual's personalized blend and/or flavor. The apparatus includes a plurality of supply hoppers, each containing a particular type of coffee bean, each hopper having a controlled discharge opening from which the coffee beans are selectively discharged in predetermined amounts onto a weighing apparatus or scale for weighing. The selected coffee beans forming the desired blend are then mixed to form a homogeneous blend of coffee beans and from where the blended beans are directed to either a grinding station or bagging station as an unflavored blend, or to a flavoring station wherein the homogeneously blended coffee beans are mixed with a desired flavoring ingredient. In one form of the invention, a scale having a discharge opening is interposed between the supply hoppers and the mixer where the coffee beans are blended.

Abstract: A process and apparatus for disinfection and reclamation of materials contained in contaminated disposable products worn by infants and adults containing human feces and/or urine. The process and apparatus disinfect, mechanically and biologically break down and separates these materials by the use of a pressurized steam digester, mechanical chopper and a screening process. The steam digester process is carried on in a sealed system utilizing a fume scrubber for controlling disposition of ammonia and methane gasses. Effluent and waste are controlled to maintain safe discharges and all recyclable materials are disinfected and reduced to a form suitable for remanufacture of like products or as raw materials for other manufactured products. Polymer particles are exposed to ultraviolet light for molecular breakdown and ion exchange between polymer chains, resulting in further reduction in mass of each particle.

Abstract: The invention relates to a method of effecting a physico-chemical reaction, in which method a crystalline or amorphous substance is crushed or ground. In the method according to the invention, as soon as a new fractured surface is formed, it is brought into immediate contact with an environment V1 the physico-chemical property of which is so selected that a firm bond or compound is formed between the fractured surface and the molecules of the environment, at least one molecule of said bond or compound being adapted to its purpose for the further treatment of the crushed or ground material in another environment V2, whereby the physico-chemical property of the environment V1 is further so selected that components disadvantageous in view of the further treatment of the crushed or ground material are prevented from getting to the fractured surface.

Abstract: A deodorizer apparatus for an electric grinder type garbage disposal system automatically injects a spray of deodorizer from a conventional spray can into the grinder chamber after the grinder motor is turned off, which is the optimum time for deodorizing. One type of actuator mechanism uses a shaft supported cam to depress the valve on the spray can. The cam is driven against a rest stop by a spring, and the spring is tensioned by a motor device operated in parallel with the grinder motor when the disposer is active. Another actuator mechanism uses a solenoid operated by logic circuits sensing the state of the grinder motor.

Abstract: To alter feedstock material, the material is exposed to laser radiation applied at a selected angle of incidence, intensity and wavelength related to the refractive index of the feedstock material. Fine uniform particles may be formed through vapor explosion and/or plasma formation and used by this method to coat surfaces, such as with paint or adhesive or to supply uniform small particles to a heat engine. Moreover, moving materials such as a column of liquid may be subjected to high internal pressure and temperature for creating physical and chemical changes.

Abstract: This invention relates to an apparatus for comminuting rock and other material and, in particular, to a rotary driven blade apparatus which comminutes rock, drilling materials and other material by impact rather than by grinding or crushing. More particularly, the invention creates a comminution environment which maximizes the establishment of a clear trajectory for the material between the orbit of each spinning blade and a single breaker bar.

Abstract: A waste paper processing system includes an upper shredding portion and a lower compressing portion. The shredding portion includes to horizontally parallel shafts mounting thereon a plurality of circular blades. The shafts are rotated to spin outwardly of a space between the shafts from a paper feeding direction. Presser arms are provided for retaining paper from above during shredding and stopper arms and a filter portion are provided below the blades to assure the paper is shredded sufficiently. After shredding the paper falls into a hopper and is introduced via a rotor to the compression portion. In the compression portion a screw is rotated for urging the shredded paper into a compression tube the tube as a narrower portion at the lower end for assuring sufficient compression of the shredded paper. In addition, water is added to the shredded paper in the upper side of the compression tube for binding the shredded paper together as pulp.

Abstract: A process for recovering the cellulose flock component of used disposable sanitary non-woven cellulose articles, especially diapers having also a plastics component and a superabsorbent polymer component, comprising: separating the cellulose flock component from the plastics component; disintegrating the cellulose flock component in water into cellulose fibers and separating them from the water containing the superabsorbent polymer component and other waste, by selectively collecting the cellulose fibers onto a rough surface; disposing the water, effluent and separately compacting the separated cellulose fibers and the separated plastics component prior to their discharge. The invention also provides an apparatus for carrying out the process.

Abstract: A process and machine components, intended to be used for recycling cellulose and plastic components of disposable diapers and other non woven cellulose articles to be utilized as basic raw materials, using splicing of the diapers and cellulose articles; separating the spliced mass into a plastic stream and a cellulose stream; disposing said plastic stream; disintegrating said cellulose stream into water, and separating said cellulose flock from the superabsorbent polymers and other waste effluent included in said cellulose stream; disposing off said superabsorbent polymers and waste in said water effluent; and compacting said separated cellulose flock prior discharge.

Abstract: A method and apparatus for comminuting and decontaminating discrete batches of waste material to reduce the volume, to render it unrecognizable and to render it safe for subsequent handling. The minimum volume of decontaminant fluid to be added to each batch is determined by its weight. Batches of differing weights are fed consecutively to the comminuting apparatus either manually or by a conveyor. A batch weigh scale is employed to preset a timer which controls the duration of operation of a device feeding decontaminant fluid to the batch. The feeding means can be made operable to withdraw reactive agents from separate storage means, to mix them to produce the decontaminant fluid and to feed the reacted mixture into the comminuting apparatus.

Abstract: A fuel feed system and method for feeding low grade fuels to a fluidized bed furnace including an enclosure with a fuel inlet for introducing the fuel into the enclosure, an inlet for introducing air into the enclosure so as to propel the fuel through the enclosure, and baffles disposed in the path of the fuel in a manner to reduce the size of the fuel particles prior to the introduction of the fuel into the furnace.

Abstract: A method and apparatus for fine grinding materials normally difficult to grind at ambient temperature, e.g. plastic and elastomeric materials in a fluid classification type impact mill utilizing liquid cryogen to pre-cool the material to be ground, to cool the material and the mill during grinding and to recycle vaporized cryogen from the mill back into the mill as the medium for conveying material to be ground into the mill.