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WO/2002/026347A1 |
A method of cleaning a filter clogged with flocculating materials is provided. The method comprises determining the flocculated materials clogged on the filter and adding a dispersing agent to break up said flocculated materials to form ...
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WO/2002/020123A1 |
A method of filtrating sewage fluid capable of not only eliminating the use of a pump and simplifying a mechanism for the filtration of fluid but also completely eliminating the need for considerations to the fluid resistance and heat re...
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WO/2002/013941A1 |
A filter assembly and a method of filtering a fluid using the filter assembly are disclosed. The filter assembly includes wave coils arranged axially to define a filter element. The filter element includes bottom and top ends and an inne...
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WO/2002/011856A1 |
An improved process for the production of tricalcium aluminate (TCA) filter aid for use in an alumina refinery is described. Quicklime is slaked in a slaker tin using a suitable slaking solution to form a slaked lime slurry (10). A suita...
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WO/2002/010072A2 |
A process for removing BOD and suspended solids from wastewater without passing through a primary clarifier or secondary aeration tank, the process. During the process, raw sewage wastewater, comprising soluble BOD, insoluble BOD and sus...
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WO/2002/005059A2 |
A biological suspension processing system is disclosed that may include a suspension treatment device for treating one or more components of a biological suspension, a first fluid flow path for introducing a suspension into the treatment...
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WO/2002/004090A2 |
A continuous flow slurry cleaning method, apparatus and system including a filter portio and a mud re-circulation manifold for receiving partially filtered slurry, containing the slurry and mixing the slurry with liquid ready for use and...
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WO/2001/087459A1 |
A method for filtering a copper electrolyte solution wherein an electrolysis product and stains affecting adversely copper electrolysis are removed from the copper electrolyte solution by passing the solution through a filtration element...
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WO/2001/085882A2 |
A fluid filter increases the useful life of the filtered fluid by removing contaminants therefrom, and may optionally provide for in-line delivery of additives to the filtered fluid. The filter may be an oil filter, a fuel filter, or oth...
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WO/2001/085300A2 |
An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element having a reactive basic conditioner therein. The reactive basic conditi...
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WO/2001/085628A1 |
A system and method for dewatering a continuous stream of slurry at high flow rates demonstrates enhanced efficiency, economy and ease of operation. A stream of slurry is subject to continuous or continual measurement of flow rate and pu...
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WO/2001/076721A1 |
A system and method for filtration of biological liquids include a collection assembly (30), a filtration assembly (40) and a blood components preservative assembly (50), each in communication with the collection assembly (30). The prese...
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WO/2001/066221A2 |
A recharge and filter assembly (10) includes a housing (12) with a removable recharge and filter cartridge (142). The housing (12) includes a canister (13) with a removable cover (14) allowing access to the cartridge (42). The cartridge ...
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WO/2001/047616A1 |
The invention relates to a device for supplying filtering aids and/or process materials during filtration. Such devices are widely used, especially in the beverage industry. The inventive device comprises at least one storage container (...
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WO/2001/048308A1 |
A method of draining water from low-consistency water-fibre suspensions. In the method, the water-fibre suspension is fed to a filtering surface comprising holes. In the method, the rougher fibres are first separated from the water-fibre...
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WO/2001/039965A1 |
A screw press apparatus has frames (3, 4), a screw shaft (6), an outside tube (5), a cylindrical screen (8), a screw blade (13), a supply pipe (16), and a cleaning pipe (34). The screen (8) is fixed between the frames (3, 4) to the outsi...
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WO/2001/038744A1 |
The invention relates to a filter device for filtering a hydraulic fluid comprising a filter housing in which a filter element is arranged. The aim of the invention is to further develop a filter device of this type to ensure the protect...
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WO/2001/032287A1 |
A filtration system (10) for removing particles from a feed liquid. The system includes a filter including a filtration material (14) having a metal oxide composition selected to provide the material with an affinity for the particles of...
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WO/2001/027036A1 |
The present invention relates to a method for the purification of water by means of membrane filtration, in which a suspension of particles of a filtration aid which forms a deposit layer on the membrane is added to the water, the membra...
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WO/2001/003512A1 |
A process for treating used cooking oil or fat by passing the used cooking oil or fat from a used cooking oil or fat source to a holding vessel, and contacting the used cooking oil or fat with a predetermined amount of purifying material...
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WO/2000/068151A2 |
A bottle mountable filtration system typically includes a plurality of different filter elements or filtering and treatment elements having a substantially common central axis that are mounted to extend into a bottle from a cap with a ma...
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WO/2000/066832A1 |
A method and an apparatus for recovering fibres from white water of a paper mill. In the method, filtering is carried out by conveying the white water through auxiliary pulp produced from a long-fibred fraction of the fibre material remo...
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WO/2000/058802A1 |
A method and controller (10) are provided for controlling a fluid flow rate along a line (21). Fluid is fed along the line to a control valve (20) having a controllably variable aperture. Pressure is sensed by pressure sensing means (14)...
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WO/2000/053286A1 |
A high capacity leukocyte depletion filtration media (32) incorporates a high specific surface area components with a matrix of fibers, yielding a filtration medium that removes leukocytes by at least 99.99 %. The filtration medium (32) ...
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WO/2000/036291A1 |
The invention concerns a method for detecting clogging in a fuel filter (5), between a fuel pressure regulator (7) imposing a pressure towards the internal combustion engine (10) downstream of the filter (5), and an electric motor pump c...
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WO1999048584A9 |
A method and apparatus for removing organic contaminants from an aqueous phase in which the contaminant is solubilized. In the method the aqueous phase is passed through a fluid-pervious filtration media (12) which has been infused with ...
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WO/2000/027591A1 |
A chemical-mechanical-polishing system [10] having a slurry distribution system [12], a polisher [16], a deionized water supply [18], and a drain [20], includes a slurry filtration system [14]. The filtration system [14] has two filters ...
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WO/2000/020094A1 |
A control system for controlling the supply of bodyfeed to a filter for removing solids from a liquid stream is described, the control system includes turbidity determining means (3) for determining turbidity of the liquid stream upstrea...
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WO/2000/007487A1 |
A cylindrical filter for filtering contaminants from a contaminated liquid includes a filter chamber having an outer housing (104) and a perforated filter basket (106) disposed within the housing. An open annular region (108) is defined ...
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WO/2000/006283A1 |
In order to obtain good filtration results using a thermally pretreated infusorial earth, the infusorial earth is pretreated at temperatures ranging from 200 °C to 850 °C and is used as a precoating for a filtration process. The invent...
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WO/1999/065592A1 |
A method of recovering liquid and abrasives from an aqueous slurry containing finely divided, suspended solids comprising at least one filtering step utilizing a sintered metal membrane and/or ceramic membrane in conjunction with a metho...
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WO/1999/062614A1 |
Systems (10) and methods for collecting blood substantially free of residual air and undesired matter also assure that accurate crossmatching and typing of cellular blood components can be done prior to transfusion.
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WO/1999/059693A1 |
In recycling metal stripping solutions such as nitric acid-containing solutions, chemicals are drawn off from a stripping stage (100) into a separate circulatory path in which they are pumped through a series of tangential filters (60', ...
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WO/1999/053015A1 |
The invention relates to a process for isolating a desired water-soluble product from a fermentation broth wherein the broth is circulated along a ceramic membrane, and wherein a trans-membrane pressure of at least 1.5 bar is applied, wh...
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WO/1999/050194A1 |
In order to remove contaminating solid residues in liquids, there is provided an installation with a liquid inlet (1) in the form of a rapidly plugable tap connected through a conduit (2) with a shutoff valve (3) to pneumatic pressure me...
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WO/1999/046026A1 |
Pressure type screening apparatus for screening papermakers' stock and method of use is disclosed. Screen (20) has an inlet screening surface (23) and an outlet surface (unlabled). Pressure transducers (not shown) vary the fluid pressure...
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WO/1999/042601A1 |
A process for the isolation and purification of HMG-CoA reductase inhibitors from a mycelium biomass is described, which process comprises: clarifying a mycelium broth and concentrating the clarified broth to a lower volume, acidifying o...
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WO/1999/039805A1 |
The present invention relates to a filtration member (1) which is mainly used in a layered filter for forming a filter cake. A layer-settling structure comprises an optional metallic material and includes a plurality of thin openings (3)...
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WO/1999/039806A1 |
The invention relates to a filter aid, particularly for filtering drinks by means of pre-coat filters. The inventive filter aid contains a mixture of exclusively natural components, i.e. cellulosic components. This filter aid contains on...
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WO/1999/029396A1 |
The invention relates to a method for filtering a liquid and to a device for carrying out said method whereby at least one container is provided from which a filter auxiliary agent is fed to a dosing device by a delivery device, and the ...
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WO/1999/024371A1 |
A device for dewatering liquids and thin sludges has a conveyor belt (20), a ripening chamber (30) and means for supplying the liquid or sludge (60) and adding a flocculating polyelectrolyte (62) into the ripening chamber. All these elem...
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WO/1999/016531A1 |
A process for the regeneration of a filter media comprising perlite which is used to filter a malt beverage. The process includes the step of combining mild caustic to spent filter cake produced from the filtration of a malt beverage in ...
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WO/1999/008768A1 |
The invention is directed to purification of liquids, such as drinking water using filters, wherein filtration is effected while the liquid flows upwardly. The invention includes both the method and a device enabling the method to be car...
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WO/1999/002239A1 |
Water is treated by adding a polyelectrolyte and a filter aid to the water. The introduction of these additives permits the particulates within the water to agglomerate with one another and to agglomerate with the filter aid. The water i...
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WO/1998/046337A1 |
The invention concerns a method for tangential filtration of a viscous fluid or liquid which consists in dissolving a third body in supercritical state in said viscous fluid or liquid so as to lower the viscosity. The invention also conc...
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WO/1998/042425A1 |
A filter (11) is connected to a measurement device as a particulate-laden fluid is flowed through the filter (11). The device measures the differential pressure across the filter (11) and passes this measurement to a control unit (21) wh...
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WO/1998/040148A1 |
The invention concerns a method of cleaning mineral-oil-based liquid cooling lubricants. The cooling lubricants are continuously circulated in metal-working plants and are cleaned by a deposition filtration system. According to the inven...
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WO/1998/030076A1 |
Disclosed is a new humic concentrate produced from natural caustobioliths of the carbon variety, and comprised mainly of hydrated humic acids, humic acid salts and mineral components of the inital caustobioliths that are chemically relat...
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WO/1998/014264A1 |
A water purifier (10) comprising an inlet conduit (12) with a high-pressure pump (18), a purifying unit (22) of the type including a filter or a membrane, an outlet conduit (28) for purified water, a sensor provided in said outlet condui...
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WO/1998/008587A1 |
Method and apparatus are provided for separating coarse and ultrafine solids from a liquid stream to produce a substantially dry solids discharge and a clarified liquid. In operation, coarse solids settle preferentially to the tank botto...
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