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WO/2007/043879 |
The present invention relates to an apparatus for the purification, in particular the desalination of a liquid, more specifically water, using a pressure pipe and spiral- wound membrane module. The pressure pipe comprises several paralle...
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WO/2007/044415 |
This invention is directed to a wastewater treatment system having a fluidizable media carrying anoxic bacteria in a first treatment zone and a filter membrane positioned in a second treatment zone. A wastewater is contacted with the flu...
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WO/2007/039030 |
The invention relates to a device (1) for filtering a fluid, which device comprises: - a feed channel (3) for passing a fluid; - a permeate outlet channel (5) branching off the feed channel ; and - a filter (6) arranged in the permeate o...
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WO/2007/035987 |
Methods for cleaning a membrane, such a porous polymeric ultrafiltration or microfĂltration membranes (eg PVdF or Halar) , comprising contacting the membrane with an aqueous solution comprising a monopersulfate anion. Buffers, chelating...
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WO/2007/036526 |
The invention concerns a reactor for treating a substance in a medium. It comprises a body (2) wherein is defined a reaction zone (10) adapted to contain a reaction medium, at least one inlet for introducing the reaction medium into the ...
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WO/2007/037939 |
A method for preventing osmotic blistering and other defects in the region of a flex line in a spirally-wound sheet filtration element includes applying an effective glue coating as a sealant to the feedstream side of a sheet in regions ...
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WO/2007/032666 |
The invention is directed to a pervaporation processes as well as to apparatuses for carrying out such processes. More in particular, the present invention is directed to improvements in pervaporation processes by improving mass transfer...
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WO/2007/032666 |
The invention is directed to a pervaporation processes as well as to apparatuses for carrying out such processes. More in particular, the present invention is directed to improvements in pervaporation processes by improving mass transfer...
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WO/2007/028261 |
The invention relates to a method and device for microfiltering solid substance-containing liquids, wherein a filtering performance decrease caused by a covering layer formation is diminished by the operation of a low excess-pressure fil...
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WO/2007/030747 |
A filtration cassette is described. The filtration cassette (10) can include one or more filtrate channel spacers (20) and one or more feed channel (30) spacers. Each of the feed channel spacers (30) and each of the filtrate channel spac...
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WO/2007/030747 |
A filtration cassette is described. The filtration cassette (10) can include one or more filtrate channel spacers (20) and one or more feed channel (30) spacers. Each of the feed channel spacers (30) and each of the filtrate channel spac...
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WO/2007/029291 |
A separation membrane cleaning composition comprising at least an acid, a compound capable of forming a complex with a metal, and an oxidant. The acid is preferably one containing hydrochloric acid. The compound capable of forming a comp...
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WO/2007/026867 |
A separation membrane washing composition comprising at least an acid, a compound capable of forming a complex with a metal ion and an oxidizing agent. Preferably, the acid comprises hydrochloric acid, the compound comprises glycine, and...
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WO/2007/022576 |
A membrane filtration assembly (10) including a membrane module (5) having one or more permeable hollow membranes (6) supported therein by at least one header (7). A filtrate collection chamber (18) is associated with the header (7) and ...
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WO/2007/022868 |
The invention relates to a filter device with a crossflow filter module, in particular, for filtering liquids, which are loaded with proteins, polysaccharides and/or fermentation microorganisms such as, e.g. yeast, comprising a housing, ...
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WO/2007/022120 |
A method of treating a hollow fiber membrane microfiltration filter having an influent side and an effluent side to improve performance of the filter is disclosed. The method entails sealing imperfections in surfaces of the filter by flu...
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WO/2007/022120 |
A method of treating a hollow fiber membrane microfiltration filter having an influent side and an effluent side to improve performance of the filter is disclosed. The method entails sealing imperfections in surfaces of the filter by flu...
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WO/2007/018242 |
A hollow fiber membrane type blood purifier packed with hollow fiber membranes comprising a polysulfone resin and polyvinylpyrrolidone. Even when sterilized by irradiation with a radiation, the hollow fiber membrane type blood purifier i...
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WO/2007/017017 |
The invention relates to a method for backwashing capillary membranes (2) of a membrane system that are connected with at least one open end that serves the permeate discharge with a permeate space (3) of the membrane system, and, on the...
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WO/2007/018242 |
A hollow fiber membrane type blood purifier packed with hollow fiber membranes comprising a polysulfone resin and polyvinylpyrrolidone. Even when sterilized by irradiation with a radiation, the hollow fiber membrane type blood purifier i...
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WO/2007/013285 |
A method of detoxification treatment for a filter, comprising the step of, with respect to a filter with persistent substance adhering thereto generated in a disposal system for water containing persistent substance wherein a membrane se...
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WO/2007/011890 |
Wastewater is treated by an activated sludge system having a primary separator (18), an activated sludge tank (10), a secondary separator (12), a conditioning tank (16), a bioreactor (14) and a sidestream reactor (70).
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WO/2007/007569 |
A method for treating water containing a hardly-degradable substance, the method comprising the following steps (B) to (E): (B) adding an adsorbent to water containing a hardly-degradable substance to cause the adsorption of the hardly-d...
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WO/2007/006439 |
A method for sterilizing a semipermeable membrane in a sterilization chamber with a gaseous sterilizing medium is described. The method comprises the steps of a) arranging the membrane in the sterilization chamber, which has a gaseous at...
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WO/2007/006104 |
A method of improving the water permeability and/or cleaning a porous polymeric microfiltration or ultrafiltration membrane, preferably a hydrophobic/hydrophilic blended membrane, eg P VdF/PVP comprising the step of contacting the porous...
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WO/2007/007931 |
Disclosed are an apparatus and a system for filtering water for purification including a filter case having an inflow port formed in a lower end thereof; at least one filter membrane installed aslant toward a flow direction of water runn...
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WO/2007/006153 |
An immersed membrane system or process may use measured or calculated process information to optimize one or more process operating parameters to improve performance or reduce operating costs. An on-line process control system or method ...
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WO/2007/004261 |
A filter (1) comprising a filter element (3) having a partition wall of porous body for forming a cell (4) becoming a liquid channel, and a casing (2) capable of incorporating the filter element (3), wherein the filter element (3) is inc...
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WO/2007/003164 |
Disclosed is a device for cleaning and/or disinfecting filters, comprising a housing (8) with a first inlet (10) for water that is to be filtered and a second outlet (11) for filtered water, a filter unit (9) located in the housing, and ...
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WO/2007/004263 |
A filter element (2) comprising a membrane filtration cell (4) internally arranged with a filtration membrane, a water collection cell (5) arranged adjacently to the membrane filtration cell (4) and becoming a channel of filtrate filtere...
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WO/2006/132289 |
A filtrate water monitoring device used, in order to ensure the safety of filtrate water output from a membrane filtering water purifying device (30), to detect damage to its filtering medium and monitor performance deterioration, the de...
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WO/2006/128730 |
Process for treating a feed stream of an aqueous medium of a given composition, which comprises dissolved potentially scale-forming components, in a reverse osmosis (RO) system under given process conditions, providing a permeate stream ...
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WO/2006/127579 |
The invention refers to a method for membrane filtration of a product in a membrane plant (1), containing the phases A) filtering the product with a first membrane system (2) of the membrane plant (1), B) cleaning the first membrane syst...
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WO/2006/127579 |
The invention refers to a method for membrane filtration of a product in a membrane plant (1), containing the phases A) filtering the product with a first membrane system (2) of the membrane plant (1), B) cleaning the first membrane syst...
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WO/2006/116797 |
A method of cleaning a porous polymeric membrane having a feed side and a permeate side including the steps of introducing a fluid containing a cleaning agent to the permeate side of a membrane allowing the cleaning agent to contact the ...
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WO/2006/117366 |
The invention relates to a crossflow filter membrane comprising an active layer whose size is equal to or greater that 1mm. Said crossflow filter membrane makes it possible to simultaneously carry out a crossflow filtration along a surfa...
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WO/2006/117366 |
The invention relates to a crossflow filter membrane comprising an active layer whose size is equal to or greater that 1mm. Said crossflow filter membrane makes it possible to simultaneously carry out a crossflow filtration along a surfa...
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WO/2006/107014 |
[PROBLEMS] To provide a blood purifier which has a high level of blood compatibility, can retain its performance during contacting with the blood, is highly safe, can exert an excellent water permeability after priming process, and has a...
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WO/2006/106916 |
A hemodialyzer in which deterioration in membrane performance of a hollow fiber due to aging can be grasped accurately during dialysis and the performance can be recovered quickly and surely. The hemodialyzer, constituted by connecting a...
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WO/2006/105855 |
The invention relates to a method for removing components contained in a flowable component mixture. According to said method, the component mixture is allowed to flow in an approximately parallel direction across at least one filter sur...
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WO/2006/104117 |
Disclosed is a modified substrate which is characterized by comprising, as the constitutional component, a polymer having an ester group in the main chain or a side chain and also having a hydrophobic group. Particularly, a polymer havin...
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WO/2006/104082 |
[PROBLEMS] To provide a sterilization method whereby, in a radio-sterilization method, sterilization can be carried out while preventing a hollow fiber membrane material contained in a module for blood purification from denaturation to g...
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WO/2006/095510 |
A waste gas/waste water treatment equipment that as waste gases are treated in scrubber (18) by the use of as a washing water a micronanobubble water produced in micronanobubble reaction vessel (31), is capable of efficiently washing the...
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WO/2006/093556 |
A composition (98) for the treatment of a liquid, particularly a body of water, such as a swimming pool, spa, or the like. The composition (98) includes calcium hypochlorite (96), a water soluble zinc salt for controlling algae, and sodi...
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WO/2006/093556 |
A composition (98) for the treatment of a liquid, particularly a body of water, such as a swimming pool, spa, or the like. The composition (98) includes calcium hypochlorite (96), a water soluble zinc salt for controlling algae, and sodi...
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WO/2006/093070 |
A water treatment system having a biological treatment step (a secondary treatment step) and a membrane separation step (a tertiary treatment step), wherein a portion of the raw water to be treated and/or a portion of the primarily treat...
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WO/2006/090469 |
A method of cleaning a membrane in a membrane separation activated-sludge process. By the method, deposits adherent to the surface of a membrane used in a membrane separation activated-sludge process can be effectively scratched off and ...
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WO/2006/087963 |
This invention provides a vinylidene fluoride resin hollow filament porous membrane characterized by comprising a porous membrane having a network structure of a vinylidene fluoride resin in a hollow filament form having a pore diameter ...
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WO/2006/079837 |
A treatment system comprises a reactor vessel (2) wherein an aqueous solution is chemically treated using titanium dioxide catalytic particles in the solution, a membrane device (18) including tubular filtering membranes in communication...
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WO/2006/074519 |
A method and apparatus for cleaning a permeable, hollow membrane (7) in an arrangement of the type wherein a pressure differential is applied across the wall of the permeable, hollow membrane (7) immersed in a liquid suspension, the liqu...
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