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WO/1993/011851A2 |
In a device for separating particulate material from a particle-containing liquid, at least the section of the cylindrical housing (10) provided with perforations (5) is designed as a drivable drum sieve (2'), so that the solid materials...
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WO/1993/008894A1 |
A process for the removal of DNA, endotoxins and viruses from aqueous buffer solutions, aqueous pharmaceutical solutions and aqueous biological pharmaceutical solutions comprises passing one of above solutions through a single filtration...
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WO/1993/005861A1 |
A point-of-use water filtration and dispensing unit comprises an unfiltered water storage container (16) removably supported above a filtered water reservoir (11). The container has an inlet (17) for unfiltered water and an outlet (25) c...
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WO/1993/004762A1 |
In order to avoid clogging of a candle precoated filter by a falling filter cake during residual volume filtration, a partition (5) separates an appropriate filter element (4) arranged in the top part of the filter from the remaining fil...
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WO/1993/002800A1 |
The screenings retained by the fine screen of a sewage clarification plant are crushed in a mechanical crushing device (7) by driven cutting rollers (8) and fall into a mixing tank (10), where the crushed screenings are mixed with water ...
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WO/1993/001874A1 |
A fuel filter and boost pump apparatus including a filter chamber (203), a fuel filter (247) on the inside of the chamber, and a fuel pump (201) on the outside of the chamber. The chamber has a bottom mounted remotely actuated discharge ...
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WO/1993/001878A1 |
An improved conveyor (11) system for machine tool cleaning applications comprises a sump internal to a machine tool, a recirculating system in fluid communication with the sump, a hinge belt conveyor (11), portions of which are interpose...
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WO/1993/001877A1 |
A separator comprises a cyclone for removing more dense particles e.g. sand and a filter for removing less dense particles e.g. organic material from a liquid e.g. water. The arrangement is such that the filter experiences a shearing/sco...
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WO/1993/000977A1 |
A filtrate which has passed a filter bed (2) of granular filter medium intended for treating a suspension or a liquid solution can contain air bubbles and granular filter medium as a result of a gas, preferably air, being brought into co...
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WO/1992/022236A1 |
A portable cooking oil filtering unit (10) has an outer housing (12) completely enclosing all the filter stages (22, 24, 26) and providing access to the stages for maintenance purposes via doors (51) and removable closures (67, 72). The ...
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WO/1992/021425A1 |
A rotary filtration device (20) comprises housing (22) and two entry means (doors) (24 and 26) that are hingedly attached by hinges (38). Door (24) is rotated closed and then locked shut after the filter packs (not shown) have been inser...
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WO/1992/012785A1 |
The invention provides a process for treating effluent consisting of unwanted waste, in particular animal or human domestic waste, suspended in predominantly aqueous liquid. The process comprises first, thoroughly agitating the suspensio...
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WO/1992/011917A1 |
A continuous process for the separation of small particles from larger particles in a biological preparation passes a liquid stream of the preparation through a first filter (102), which retains larger particles, passing smaller particle...
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WO/1992/003930A1 |
A device for obtaining nourishing substances by extraction from bones and meat adhering thereto has a container (2) to take the bones and the extraction fluid, preferably water. The container (2) is fitted with at least one agitator (7) ...
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WO/1992/000132A1 |
A single filtration device (12) containing coated filter membranes (32, 38, 62, 68) and absolute pore filters (34, 36, 64, 66) is provided in which the membranes (32, 38, 62, 68) and absolute pore filters (34, 36, 64, 66) are present in ...
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WO/1991/018836A1 |
Water clarifying apparatus (10) has a cylindrical tank (14) where particulate contaminants suspended in raw water are separated using floatation techniques. A set of concentric, mutually spaced, conical plates (24) positioned in the floa...
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WO/1991/016962A1 |
A fuel cell power plant coolant loop (20) has makeup water supplied via a dirty water tank (40), a water treatment system including a demineralizer (46) and a clean water tank (48). A recirculation line (38) from clean water tank (48) to...
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WO/1991/016960A1 |
A filter/conditioner for filtering and dispensing conditioners and inhibitors to the engine coolant of an internal combustion engine includes a circumferentially extending array of filtering media circumscribing a container defining a co...
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WO/1991/015282A1 |
A disposable filter for the separation of heavier particles from a liquid suspension. The filter is distinguished by a vertical helically-shaped channel (13) which encloses a central cylindrical channel (9) and which is surrounded by a c...
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WO/1991/014491A1 |
Oil de-aerating device consisting of a cylindrical cavity (3) comprising a tangential channel (4) for introducing oil under pressure, tangential evacuation channels (6) for the de-aerated oil and an axial air outlet channel (7). The inle...
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WO/1991/013030A1 |
Removing radioactive contaminants from liquid hazardous material such as oil includes recirculating the material between a processing tank (11) and a filter medium (18). The material is heated (15) to increase viscosity during the circul...
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WO/1991/012873A1 |
A filter arrangement (26) for a fuel system (10) having a cartridge (92) located in a bore (48) of a housing (42) for sequentially interruption flow communication from the bore (48) to a regulator (14) through an outlet port (44) and to ...
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WO/1991/012869A1 |
A two-chamber vessel (10) provides for separate treatment of a fluid stream with particulate solids. Separate means (18, 19, 20, 23) are provided to introduce and remove particulate solids into each chamber. Separate means (34, 36, 40, 4...
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WO/1991/010493A1 |
A composite cartridge type filter (10) of the kind utilizing a hollow cylindrical body of bonded activated carbon (12) and an interior filled with a particulate filter media bed is disposed within a housing (11) such that raw unfiltered ...
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WO/1991/008174A1 |
Processing plant for i.a. sanitary slaughtering which by means of a series of devices makes it possible to clean by nearly 100 % efficiency all water used in transportation and slaughtering (figures 1 and 2, no. 1-21), and at the same ti...
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WO/1991/006703A1 |
A screening apparatus (10) comprises a pair of stationary concentric screens (26 and 32) with a plurality of foil structures (42) rotating therebetween and adjacent thereto, individual foils (44 and 46) of each foil structure being radia...
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WO/1991/004778A1 |
In a method for filtering a suspension through a stationary filter (1a, 1b) having vertical filter element arranged in a pressure vessel (A, B) and for re-conditioning the filter after filtering , the filtrate is discharged from the bott...
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WO/1991/003301A1 |
A fuel filter assembly (200) employs a base (212) which mounts a disposable filter element cartridge (214). The cartridge (214) includes a dual stage filter system wherein fuel flows axially to a primary filter element (274) for removing...
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WO/1991/001944A1 |
A process and apparatus (1) for removing fat, bacteria, solids and other impurities from water used in food processing so that substantially all the water may be reused. The water is coarsely filtered (4) and is then introduced into a to...
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WO/1991/000768A1 |
The present invention relates to a method and apparatus for treating pulp, which method and apparatus are especially suitable for treating fiber suspensions in wood processing industry. The method and apparatus are particularly designed ...
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WO/1991/000249A1 |
A method of efficiently concentrating and dehydrating slurried sludge in a short period of time without requiring a wide area. In an agitating tank, the sludge containing a flocculant is agitated and turned into an aggregate; the aggrega...
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WO/1990/015655A1 |
A filter for continuous filtration of a liquid includes conventionally a vessel (1) having a center shaft (2) on which is arranged at least one rotatable filter element defining an inner space for liquid obtained at filtration. Further t...
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WO/1990/014872A1 |
A system (11) for clarifying liquids, having particular utility in dry cleaning operations. The system includes a filter apparatus (25) connected to a washer (12), said apparatus includes housing (10), and a plurality of axially spaced f...
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WO/1990/015025A1 |
Disclosed is a method for purifying contaminated water containing heavy metal impurities, comprising the steps of directing a flow of the contaminated water through a first electrolytic oxidation chamber (26), comprising a plurality of e...
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WO/1990/012635A1 |
The invention relates to a separator for regenerating used emulsions, especially of cooling lubricants but also cleaning solutions, with a discharge pipe (1) for the regenerated emulsion. The aim of the invention is to provide a separato...
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WO/1990/011809A1 |
The invention relates to a continuous-working process and apparatus for replacing the liquid in a liquid suspension of a fibrous material with another liquid by forming of this material a bed (32) on a moving filter surface and by displa...
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WO/1990/010490A1 |
A filter for continuous filtering of a suspension under pressure and/or vacuum includes a vessel (1) having a center axle (2) on which filter discs (3) are arranged at a distance from each other along the center axle. The filter discs co...
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WO/1990/010489A1 |
A filter for continuous filtering of a suspension under pressure and/or vacuum comprises a vessel (1) having a center axle (2) on which filter discs (3) are arranged at a distance from each other along the central axle. The filter discs ...
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WO/1990/008645A1 |
An apparatus for dewatering and squeezing treatment of material in form of sludge, suspensions, peat, etc, includes as ending treatment part a screw press section (12-14; 28-30) including a press screw (12, 13; 29, 30) and a sieve mantle...
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WO/1990/007974A1 |
A reverse osmosis unit (10) having a primary filter (86) and a secondary filter (90) with a check value (110) therebetween so that water passing through the unit (10) to a storage tank flows through both filters (86, 90) and just before ...
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WO/1990/007666A1 |
A self-venting valve apparatus (2) uses a valve stem (16) rotatably and slidably mounted to a vessel (4) by a collar (8). A single gasket (46) seals the gas inlet and liquid outlet in the closed configuration. To drain the liquid, the va...
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WO/1990/005571A1 |
A dry cleaning solvent recovery and filtering system includes a dry cleaning solvent tank (10) containing solvent for use in a dry cleaning machine. A filtration path from the tank includes a centrifugal separator (13) for removing coars...
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WO/1990/005576A1 |
A separating filter for separating a pulp consisting of a mixture of liquids containing solids fractions comprises a pressure filter associated with a fine-filtration and ultrafiltration device. The solids fractions are retained in the p...
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WO/1990/005012A1 |
Surface defects in the form of dimples may occur in stoved and/or overpainted electrophoretic enamal films due to the presence of hydrophobic substances in the enamel. A filter which removes these hydrophobic substances from the eletroph...
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WO/1990/003846A1 |
The invention consists of forming an aqueous slurry of water and particles of ore carrying both metals and/or minerals which are passed at relatively high speed along an electrically isolated path in contact with electrically insulating ...
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WO/1990/003104A2 |
With a method and an apparatus for treating liquid manure (1) it becomes possible to perform a considerable reduction in the initial costs as smaller tanks may be used and it becomes possible to operate a plant in such a way that it may ...
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WO/1989/005685A1 |
A fuel filter apparatus including a chamber (12), a discharge gate (14), a fuel pump (16), and a fuel filter. The discharge gate (14) is connected to the bottom of the chamber (12). The fuel pump (16) is connected to the top surface of t...
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WO/1989/004293A1 |
The present invention relates to a filter band press which is used, for example, for treating industrial sewage and sludge. Filter band presses are used especially for thickening sewage sludge in the pulp industry so that it would result...
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WO/1989/002776A1 |
A stream of contaminated liquid flows into a vessel, through a filter media comprised of at least 50 % pecan hulls, while clean liquid exits the vessel, leaving the contaminants deposited on the filter media. The deposited contaminants a...
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WO/1989/002707A1 |
In the process described, the liquid to be clarified, in particular raw juice, is mixed in a mixing nozzle (2) with at least a first clarifying additive, for example gelatin, and decanted for 5 to 15 minutes in one or several settling ta...
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