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WO/1996/001676 |
A dynamic filter system includes a dynamic filter assembly (101) including one or more filter elements (148) and one or more members (151) disposed within a housing. The filter elements and the members are interleaved and arranged to rot...
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WO/1995/032159 |
A filtering plant has a reactor that causes sludge previously treated with chemicals to flocculate. The reactor is provided with stirring means and at least two rotary filtering rollers. The essential characteristic of the invention is t...
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WO/1995/032044 |
An endless filter chain (40) for filtering liquid, e.g. sewage water which flows along a drainage duct (1) comprises strainer elements (50) and connecting links interconnected to allow the strainer elements to pivot about respective pivo...
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WO/1995/031409 |
A rotating drum filter assembly (10) for thickening lime sludge includes a liquid jet distributor (26) for directing liquid jets against a strip of lime sludge filter cake on the ascending side of the drum. The distributor is positioned ...
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WO/1995/029747 |
The present invention relates to a method and system for recovering fibres by means of a filter surface (1) from white water (2), in which auxiliary pulp (3) is added to the white water to recover fines. The filter surface is at first br...
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WO/1995/030046 |
A method and an apparatus for treating pulp with a treatment agent for simultaneous displacement and thickening, in which the pulp is fed into a space (6) in order to form a layer on the perforated casing (5) of a rotating drum (3). Acco...
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WO/1995/029762 |
A nozzle assembly for use in separation apparatus for separation of liquid suspensions, a separation apparatus including such a nozzle assembly (1), and a method for its use. In the nozzle assembly (1), the outlet end of the nozzle is bi...
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WO/1995/029746 |
A nozzle assembly (1) for use in separation apparatus for separation of liquid suspensions, a separation apparatus including such a nozzle assembly, and a method for its use. In the nozzle assembly, the outlet end of the nozzle is biasab...
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WO/1995/027551 |
A system which separates and filters fine, particulate, suspended solids from liquid. The system consists of a vessel (1) of appropriate design for solids/liquid mixture processing, with an inlet (2a) for mixture feed and outlets (3, 4) ...
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WO/1995/025578 |
In a rotating disc filter for separating a coarse phase from a liquid mixture on the insides of the filtering discs (4), the inside space (6) of which has been provided with so-called carrier elements (13) for transporting coarse phase t...
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WO/1995/024257 |
A process is disclosed for removing swellable polymer particles from a solution for removing resist layers from printed circuit boards. The dispersion produced when resist layers are removed contains fine resist particles and is led thro...
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WO/1995/024254 |
Method and apparatus for removing liquids from biological waste utilizing centrifugal force. Preferably, a rotatable foraminous drum (12) can be rotatably supported within an outer liquid-tight drum (11), and a disposable porous containe...
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WO/1995/023654 |
The present invention provides an apparatus (10) for retrofitting traditional derrick motor vibrators. In particular, an off-center shaft (30) rotates, shaking a bed (12) in an oscillatory manner. An apparatus of the present invention ma...
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WO/1995/023178 |
A process for production of a polytetrafluoroethylene (PTFE) molding comprising the step of adding a lubricant to an aqueous dispersion of PTFE to co-coagulate PTFE and a swelling agent and obtain a lubricant-containing wet PTFE powder, ...
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WO/1995/022453 |
In discontinuously operating filter presses (1), a further rise in the pressure owing to the time cycle of the discharge behaviour of the liquid pressed out is limited. The limitation instances are detected by a process controller (24) a...
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WO/1995/018661 |
A filter housing in the form of a centrifugal concentrator filter unit (3) is dimensioned to be fully containable in a conventional centrifuge tube (2) when sealed with a cap (4) to provide a closed system centrifugal concentrator adapte...
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WO/1995/016510 |
A high efficiency, self cleaning system for separating solid materials from liquids. The system includes a primary housing (150) having at least one inlet (163) and a plurality of cylindrical filter cartridges (12, 14, 16) therein which ...
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WO/1995/015925 |
A device for dewatering suspensions such as sludge or similar dewaterable goods contains several rollers and filtering webs that follow a sinuous path around the rollers. The width of at least one pressure gap, as well as the force which...
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WO/1995/013124 |
The invention relates to method and apparatus for reducing reject water flow from filter with moving bed and washing of the sand in sand washer. Wash water flow and pump water flow are kept separate and thereby either of these flows, or ...
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WO/1995/011076 |
A separator for separating solid material from slurry. The separator comprises a drum which is rotatable about a vertical axis and has a tubular perforated wall. Liquid passing through the perforated wall is discharged to an appropriate ...
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WO/1995/011075 |
A method and apparatus for dewatering a wet web (30) wherein water is withdrawn from the web (30) via capillary action of the pores (26) of a thin porous membrane component (22) of a bi-component filtration media and transferred to a plu...
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WO/1995/010658 |
A device for dewatering material suspensions, possibly in connection with liquid treatment. The device comprises two cylindric rotary liquid-permeable press rolls (10), the shell surface of which is covered with wire cloth (11). The pres...
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WO/1995/009039 |
Device comprising an outer tubular body (1) with a vertical axis (ZZ'); a tubular filtering grid (2) mounted coaxially within the stationary body (1), and rotated about said vertical axis (ZZ'); means (12) for feeding the slurry to be tr...
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WO/1995/009268 |
In a method for the conversion of a fibre suspension, and particularly for increasing the output of a dewatering apparatus especially for recycled fibre pulp, the reject from the dewatering apparatus is treated in a fractionator, where f...
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WO/1995/007744 |
A method and a treating system for processing a mixture of a liquid is disclosed wherein a multiple filtration is executed at one or more screening means having different filter mediums such as plates, meshes, micro-meshes, sand and/or a...
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WO/1995/006160 |
An apparatus for fractionating suspensions includes a tubular strainer (1) turnable about a horizontal axis, and spray means (5, 7) arranged to spray the suspension against the strainer. The strainer has at least two strainer sections (2...
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WO/1995/005091 |
Small particles and fines included along with larger subdivided solids are treated with liquid to extract soluble solids therein in an apparatus and process using milli-screens (18) with milli-sized openings of less than about 0.095 inch...
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WO/1995/002441 |
A method for separating a mixture of a liquid and a solid comprises the steps of feeding at least one mixture comprising a solid and a liquid onto a porous belt (10), driving the belt over a drainage area comprising vacuum extraction mea...
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WO/1995/002442 |
The present invention relates to a method and apparatus for thickening lime mud with a disc filter. The invention also relates to a method of cleaning the filter sectors (12) of a disc filter. The method and apparatus according to the in...
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WO/1995/002440 |
The invention relates to the treatment of liquid waste such as sewage. The invention provides a method of screening of liquid waste to remove solid material therefrom, comprising passing the liquid waste in a downward stream through a su...
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WO/1995/001825 |
An apparatus for filtering liquids, such as fiber suspensions or polluted water, includes a hollow rotating filter body (1) adapted to receive the liquid to be filtered within the body. A plurality of guide members (6) are attached to th...
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WO/1995/001216 |
Apparatus for separating liquid and solid material has an auger having an auger screw and a tubular housing extending around the auger screw, the tubular housing having an opening in the top thereof to allow the solid material to be depo...
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WO/1995/000226 |
A modular table filter for a circular horizontal rotating table filter includes a number of sections (20) which may be assembled on the support frame thereof. The sections (20) are annular-sector-shaped and, when assembled, form an annul...
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WO/1995/000231 |
A dynamic filter system comprises a dynamic filter assembly including one or more filter elements (148) and one or more members (151) disposed within a housing (105). The filter elements and the members are interleaved and arranged to ro...
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WO/1994/027748 |
A device for sifting, sorting, screening, filtering or sizing dry solid substances of solid substances in liquids has a sifting surface arranged in a sifting frame and an ultrasonic transducer (10) associated thereto, through which vibra...
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WO/1994/026389 |
The present invention relates to a sector of a disc filter. The disc filter sector in accordance with the invention is applicable in both wood processing and mining industry. It is a characterizing feature of the sector that the structur...
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WO/1994/026387 |
Cleaning device for endless filtering belts (11) being located within a container (13) of contaminated water for filtering said contaminated water. The filtering belt is journalled over a series of rollers (12, 14, 16, 17) to have a sect...
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WO/1994/026388 |
An anti-rewet deck is provided for press rolls (3) used to increase consistency of fibrous pulp sluryy from approximately 4 percent up to about 30 to 50 percent. This is accomplished by biasing the location of the drainage holes (140) in...
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WO/1994/025139 |
A liquid filter comprises a filter rotor (1) with filtering means (7) and a container (2) for the filtrate. The filtrate is divided in two fractions, a coarse pre-filtrated derived from that side, where the rotor dives into the liquid, a...
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WO/1994/025140 |
A rotating filter including a container (11) for a liquid or suspension to be filtered and a rotor structure (17, 21, 22, 25, 26) being provided at its outer periphery with a filter medium arranged in the shape of at least one circular r...
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WO/1994/023849 |
A screen (1) for separating solids from drilling fluids comprises an outer frame (2) and a plurality of support members (7, 8, 9, 10, 11). A sheet (19) of perforate material is bonded to both the outer frame (2) and the support members (...
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WO/1994/024411 |
A method is disclosed for removing swarf from drilling fluids used in a process whereby a window is milled in the side of a well. The method uses an apparatus taking the form of a perforated rotating drum, and preferably taking the form ...
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WO/1994/024046 |
Constant efficiency operation of a wet process phosphoric acid plant can be obtained by controlling the specific gravity of the filtrate (5C1) from the last washing of the gypsum cake. The filtrate from the last washing of the gypsum cak...
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WO/1994/023821 |
The present invention relates to a method and an apparatus for cleaning a filter drum or a cylinder used for thickening lime mud in which filter drum lime mud is thickened on a filtering layer of lime mud formed on the surface of a filte...
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WO/1994/022581 |
A concrete reclaimer (10) includes a concrete processor (12) having a rotating inclined screen (14) and a pipe (50) discharging water. Fresh concrete (c) being disposed is poured into an open end (18) of the rotating screen (14), and mig...
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WO/1994/023119 |
This invention relates to a vertical vessel, particularly a continuous pulp digestion vessel (11), wherein fiber materials suspended in liquid passes downwardly pass screens (14) through which treatment liquid is withdrawn. The screens (...
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WO/1994/019084 |
A machine tool coolant filtering system (10) is disclosed as including a plurality of coolants filter tanks (12a), (12b), (12c). Each filter tank (12) is designated for receiving coolant carrying a different material contaminant. A pipe ...
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WO/1994/019088 |
A device for filtering liquids has an annular disc (1) with at least one perforated side wall. A plurality of separate sections (14) of a filter medium are applied onto frames (13) and each said section covers a part of the perforated si...
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WO/1994/017896 |
A method for separation of solids from a flowing liquid by utilising the energy of the liquid including a separation panel (13) located in the path of movement, the panel, in the direction of movement of liquid, presenting a closed face ...
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WO/1994/017892 |
A slurry is subjected to a filtration and washing process in order to separate the liquor from the solids. The filtration and washing process is carried out in a housing (101) enclosing an inert gaseous atmosphere which also passes throu...
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