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8153012 |
Device and method for filtering a fluid, in particular for plastics processing plants
The invention relates to a device for filtering a fluid, in particular a liquefied plastic, with a housing with backflush channel and screen carrier and filter element whereby, in order to...
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8123047 |
Filter for fluids in conduits
The invention relates to a filter for fluids in conduits, consisting of: a tubular filter housing (1); a filtering basket (9) that is coaxial with the filter housing (1) and that is positioned to...
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8101090 |
Device and method for cleaning a filter cloth
A rotary disc filter device comprises a rotary drum and a plurality of disc-shaped filter members secured about the drum. Each disc-shaped filter member has a filtering material disposed on the...
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7981290 |
Backwash assembly having a rotating backwash arm for cleaning cloth filter media
The present invention relates to stationary cloth media filtration systems and devices, as well as processes and devices, including improved cloth media filter backwashing using a rotating backwash...
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7879248 |
Filtering systems with integral filter back-flushing
A filter system includes a distribution valve operable to direct a received fluid stream to first and second outlets during respective first and second cycles. A filtering system filters at least...
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7867395 |
Valveless intake screen airburst system
A method and apparatus for a backwash system for cleaning an underwater intake filter assembly is disclosed. The backwash system includes an underwater tank coupled on one end to a source of...
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7841478 |
Self-cleaning filter and filtration system for lubricants
The disclosed self-cleaning filtration system and self-cleaning filter solves various problems by replacing a standard filter cartridge with an adapter screwed in place of the cartridge, a filter...
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7807050 |
Backwash assembly and method having a rotating backwash arm for cleaning cloth filter media
The present invention relates to stationary cloth media filtration systems and devices, as well as processes and devices, including improved cloth media filter backwashing using a rotating backwash...
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7691274 |
Filter installation and method for operating one such filter installation
A filter installation and method, especially a seawater filter installation and method, includes at least one fluid line (18,20) for transporting a biological fluid, a filter device (54) mounted in...
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7530463 |
Backwashable filtering device
A backwashable filtering device for thermoplastic plastics material is disclosed. The device can filter thermoplastic plastics material through one or more nests of screens in the filtering...
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7514010 |
Water filtering method and apparatus
A “polishing” water filter for the micro-filtration of fine particles comprises a porous ceramic substrate, having an average pore size in the range of about 0.2 to about 100 microns, which is coa...
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7407573 |
Quick countercurrent-type water purifier
A quick countercurrent-type water purifier configured with two filters, two motors, a control circuit, a purified water storage tank and a waste water tank, wherein a pipe extends from the waste...
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7282188 |
Method and device for producing a metal hydroxide
The invention concerns a method and an apparatus for producing a metal hydroxide, in particular magnesium hydroxide, from a salt solution, wherein the metal is firstly precipitated from the salt...
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7276223 |
Method and device for chemical reaction between a gas and at least one compound in solution carried out in the presence of a solid catalyst
A gas/liquid reaction with a liquid containing at least one chemical compound in solution which can react with a gas in the presence of a solid catalyst maintained in suspension in the liquid, the...
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7250109 |
Back-wash filter
In the backflush filter (10) according to the invention, in which the flushing back of the filter inserts (15) which are received in several filter chambers takes place by means of flushing...
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7105090 |
Backflushing filter
A filter has three filter elements, e.g., screens, for trapping particulate material while allowing passage of a fluid. The second sides of each of the first and second screens are connected to an...
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7070695 |
Ultrafiltration and microfiltration module and system
A method and apparatus of purifying feedwater to remove impurities including suspended solids therefrom, the method suitable for using in-line water pressure to permeate water through hollow fiber...
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7052610 |
Immersed membrane filtration system and overflow process
Modules of ultrafiltration or microfiltration membranes are arranged in a tank open to the atmosphere to substantially cover the cross sectional area of the tank. A filtration cycle has permeation...
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6890434 |
Backflush filter, in particular for filtering lubricant oil
A backflushing filter for filtering oil includes filter candles 22 which are open at both ends 24, 34 and disposed around a rotary shaft 1 in a filter housing. A cleaning device is moved in...
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6861000 |
Running method and washing method for spiral wound membrane element and spiral wound membrane module
A spiral wound membrane module comprises a spiral wound membrane element including a separation membrane having high back pressure strength. The flow rate of permeate in filtration of the spiral...
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6827864 |
Filtering apparatus and method for washing its filtering elements
A filtering apparatus and method comprises parallel filtering elements backflushable with the pressure of the filtered flow. At least one washing organ connecting alternately to the different...
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6799687 |
System and method for linear object reallocation in place
A backflush filter device for filter elements (22) is incorporated in a filter housing (10)having a filter inlet (18) and an outlet (20) for the liquid to be filtered. The filter elements (22)...
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6607660 |
Liquid filtration device with backwashing feature
A liquid filtration device having a backwashing feature in which liquid flow through the device is reversed with a plate being rotated under the filtration cartridges to allow reverse liquid flow...
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6592758 |
Filter element for a liquid-state process stream
A filter element assembly used to filter liquid-state process stream. The assembly includes first and second tubes. A ring is seated in one of the tubes. One or more filter elements extend from the...
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6543624 |
Back-washable filter for liquids
The aim of the invention is to improve the backwashing action of a backwashable filter for liquids comprising the following: a filter body which is located in a housing and which separates an...
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6432310 |
Methods of running and washing spiral wound membrane module
A spiral wound membrane element is formed by covering a spiral membrane component prepared by winding a plurality of independent or continuous envelope-like membranes around the outer peripheral...
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6395182 |
METHOD FOR PURIFYING WATER, IN PARTICULAR GROUND WATER, UNDER ANAEROBIC CONDITIONS, USING A MEMBRANE FILTRATION UNIT, A DEVICE FOR PURIFYING WATER, AS WELL AS DRINKING WATER OBTAINED BY USING SUCH A METHOD
The present invention relates to a method for purifying water, in particular ground water, under anaerobic conditions, using a membrane filtration unit, wherein the following steps are carried out:...
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6325922 |
Filter device for cleaning plastics melts
A filter device for filtering plastic melts includes a filter wheel having cavities which are covered by screening elements. A pressure sensor is provided in a melt inflow line upstream of the...
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6197192 |
Filter array with connector for successive backwash
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6153093 |
Filter screen pack for extrusion die
The filter intercepts dirt emanating from a molten-polymer extruder. The filter is clamped between perforated support plates, and a rotor sweeps the holes in the upstream plate. The rotor defines a...
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6120688 |
Portable reverse osmosis unit for producing drinking water
A method of purifying impure water to provide drinking water using an apparatus, the method comprising the steps of providing a microfiltration unit, a reverse osmosis unit and a CIP...
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6004465 |
System and process for iodine recovery
Disclosed is a method and apparatus for recovering iodine from an aqueous suspension. Particulate iodine is formed on a filter septum and forms a cake of solid iodine. The cake is removed by...
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6001254 |
Method of operating and monitoring a group of filter membrane modules, and a group of modules implementing the method
A method of operating and monitoring a group of filter membrane modules connected in parallel and with the modules being periodically backwashed, in which: raw water to be treated is injected at a...
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5975311 |
Filter to be inserted into a pipe and heat exchanger equipped with a filter of this kind
A filter includes, in a filter body, a filter unit in the general form of a wheel with, for local contraflow circulation of a cleaning fluid through its filter element, a circulation unit to which...
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5972228 |
Filters employing "filling bodies" to reduce the amount of backwashing fluid remaining in the filters after backwashing
A filtering apparatus comprises: a pressure vessel; a plurality of filter elements arranged within the pressure vessel, the filter elements each having an upper end, a lower end and a side wall;...
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5804062 |
Water treatment plant with clarifier and peripheral filter
Apparatus for treating a liquid containing suspended solids comprising a clarifying vessel and a number of filters positioned around the periphery of the clarifying vessel for receiving and...
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5785870 |
Variable flow filter unit
A filter unit (10) designed to filter process streams having different components and/or different fluid flow rates. The filter unit includes an elongated filter housing (12) having an inlet port...
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5770072 |
Multiple inlet valve with means to isolate each inlet individually and direct a reverse flow therethrough
The invention relates to a valve arrangement which can preferably be used in connection with a removal system comprising digester screens for digester liquids in cellulose digesters. The valve is...
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5770067 |
Device for filtering a fluid
A device for filtering a fluid, particularly a molten plastic, with a fluid-supplying canal and a fluid-draining canal is described, whereby two plate-like filters are movably arranged in and...
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5762783 |
Filter flushing arrangement
A filter flushing arrangement is provided and includes a first filtering device, a second filtering device, and a valve arrangement connected to the first and second filtering devices. The valve...
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5643455 |
Concentration of solids in a suspension using hollow fibre membranes
A method of concentrating solids in a liquid suspension using a microporous filter assembly having a plurality of hollow microporous, elastic membranes within a vessel, the method including the...
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5635066 |
Pressure filter with a back-flushing head exerting a uniform contact pressure
A pressure filter having a fluid compartment with a fluid inlet, at least one filter surface in the fluid compartment having a plurality of apertures, one side of the filter surface being...
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5607593 |
Installation for making water potable with submerged filtering membranes
A water-treatment installation, notably with a view to making water potable, includes a reactor demarcating at least one treatment chamber, the reactor comprising a conveying assembly to convey the...
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5593583 |
Filter for continuous filtration of liquids containing solids in a closed cylindrical vessel
Filter for continuous filtration of liquids containing solids in a closed cylindrical vessel with a pressure difference between the liquid to be filtered and the filtrate, with disks which are...
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5575911 |
Back-flushable filter having valved flusing pathway
A filter operable in either a filtering mode or in a flushing mode, includes a cylindrical filter body, and a plurality of partitions defining a plurality of axially-extending,...
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5560828 |
Method for the removal of components causing turbidity, from a fluid, by means of microfiltration
The invention relates to a process for the removal of components causing turbidity, from a fluid, by means of microfiltration, whereby the fluid is beer, wine, fruit juice, bacterial suspension,...
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5547574 |
Apparatus for filtering mineral slurries
An apparatus is disclosed for filtering slurries of minerals or other fine particles. The apparatus includes a filter plate having an interior porous support layer and a microporous metal...
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5516426 |
Self-cleaning filter system
A continuous, self-cleaning rotary filtering system is herein provided which includes a plurality of filtering elements within a rotatable filter housing adapted for rotation between an inlet plate...
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5512174 |
Filtering device for the clarification of liquids
A filtering device for the clarification of liquids, such as industrial or waste waters, comprising an open tank provided with a floor possessing nozzles and supporting the filtering bed, side...
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5417856 |
Filter apparatus for fluids to be cleaned
A filter apparatus for thermoplastic synthetic plastics material includes a screen carrier member having at least one screen nest, the screen carrier member being shiftable in a longitudinal...
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