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Patent Searching and Data


Matches 1 - 50 out of 12,485

Document Document Title
WO/2019/006252A1
A cleaning solution for accelerated cleaning of a membrane having an enzyme and an agent having a pH that is compatible with the enzyme. The cleaning solution may additionally include one or both of a binding agent and a surfactant. Once...  
WO/2019/000160A1
Provided is a method for cleaning a filtration membrane contained in a water treatment system and the water treatment system. The method comprises a first cleaning mode. The first cleaning mode comprises: adding a first cleaning solution...  
WO/2018/234956A1
A corrugated membrane plate and frame module for use in fluid treatment applications is disclosed, where the corrugated design increases production capacity of a module by more than 200% as compared to conventional modules. The increase ...  
WO/2018/235901A1
The purpose of this invention is to provide a filtration membrane module with which it is possible to improve the centrifugal separation effect of the primary-side flowpath during filtration, and the centrifugal separation effect of the ...  
WO/2018/235210A1
The purpose of this invention is to increase the membrane flowrate of a primary-side flowpath during filtration and the flowrate in an area that follows the outer peripheral surface of a membrane element of an outer ring-shaped flowpath ...  
WO/2018/234838A1
The present invention is in the field of anti-microbial filtration media, notably of flexible polymeric anti-microbial filtration media, processes for manufacturing them and uses thereof for liquid and/or gas phase treatments, in particu...  
WO/2018/230397A1
A filtration method for a protein-containing liquid, said liquid containing a protein at a concentration of 20-100 mg/mL inclusive, which comprises a prefiltration step for filtering the protein-containing liquid through a prefilter, sai...  
WO/2018/231261A1
System and method for processing produced water containing organic compounds including a processing vessel (100); a filtration layer (150) including a filtration material; and a cleaning system that provides a washing solution to the fil...  
WO/2018/224098A1
The invention relates to a membrane consisting of a carrier layer and a separating layer connected to the carrier layer, wherein the separating layer is made of a porous polymer. The surface of the separating layer facing away from the c...  
WO/2018/225186A1
The purpose of the present invention is to provide a device for cleaning with a high utilization efficiency for ozone gas with a simple constitution while preventing increases in size, as well as a method for cleaning a water treatment m...  
WO/2018/220982A1
Provided is a method for treating nonionic surfactant-containing water, the method comprising an adsorption step for passing nonionic surfactant-containing water as supplied water through a microfiltration membrane or ultrafiltration mem...  
WO/2018/223137A1
The present invention relates generally to an effluent treatment device including in one embodiment a skid configuration. The method and apparatus of the present invention can use only two fluid pump units and including individual or mul...  
WO/2018/220086A1
Disclosed is a hollow fiber filter arrangement (1; 101; 201) and a bioreactor system comprising such a hollow fiber filter arrangement. The hollow fiber filter arrangement comprising: an inlet (3; 103; 203) for receiving a sample to be f...  
WO/2018/210644A1
The disclosed prefabricated filtering module (10) is provided for a modular filtering system, in particular a cross-flow filtering system, for low-volume screening applications. The prefabricated filtering module (10) has fluid connectio...  
WO/2018/213662A1
One embodiment provides a system, including: at least two water analyzers, wherein at least one of the at least two water analyzers is positioned upstream of a purification apparatus and wherein at least another of the at least two water...  
WO/2018/204983A1
The extent of fouling of a spiral wound membrane module such as used in water treatment plants can be monitored using one or more sensors disposed between wraps of the membrane. The sensors, including electrodes, can communicate signals ...  
WO/2018/207343A1
[Problem] To provide a gas separation device that is economical and can suppress reductions in the availability factor for the separation of non-hydrocarbon gases from a gas to be treated that includes non-hydrocarbon gases using a gas s...  
WO/2018/199093A1
The present invention is equipped with: a reverse osmosis membrane device 15 to which is connected an inflow water line L1 into which inflow water 11 flows, the reverse osmosis membrane device 15 having a reverse osmosis membrane 14 for ...  
WO/2018/198245A1
A reverse osmosis membrane plant includes: a reverse osmosis membrane device 15 to which an inflow water line L1 for introducing influent water 11 is connected and which has a reverse osmosis membrane 14 for obtaining permeated water 12 ...  
WO/2018/192945A1
The invention relates to a device for detecting deposits in a membrane module that produces a permeate (P) and contains at least one permeable or semipermeable membrane layer (1), wherein at least one polymer optical fibre (3) for the pu...  
WO/2018/190654A1
The present invention relates to: a filtering module in which the fouling of a separation membrane is reduced by a rotor of a centrifugal pump; and a separation method using same. More particularly, the present invention relates to: a fi...  
WO/2018/189254A1
The present disclosure relates to a filtration device comprising a plurality of hollow fiber membranes, a process for its production, and its use for the dead-end filtration of infusion liquids.  
WO/2018/185312A1
The invention relates to a thermally sterilisable fluid filter (10) for concentrating substances contained in a fluid (F), in particular in the course of micro- and nano- or ultra-filtration of the fluid. According to the invention, the ...  
WO/2018/180095A1
A method for inspecting a separation membrane module (10) is provided with a sealing step for sealing a gas for inspection on a primary side of zeolite membrane (12). The dynamic molecule size for the gas for inspection is greater than 1...  
WO/2018/180210A1
A film regeneration method for regenerating a film that is suitable for use in separation of some hydrocarbons from a hydrocarbon mixture. More specifically, a film regeneration method which comprises: a step (A) wherein a hydrocarbon mi...  
WO/2018/180735A1
The present invention addresses the problem of providing a chemical solution refining method, with which it is possible to obtain a chemical solution capable of suppressing occurrence of a short circuit in a semiconductor substrate manuf...  
WO/2018/179959A1
A test method for a separation membrane module (10) includes the following: an assembly step for sealing, within a casing (2), a separation membrane structure (1) having a porous base material (11) and a separation membrane (12); and a t...  
WO/2018/179502A1
A hollow fiber membrane filtration device is provided with a hollow fiber membrane module having: a container 1 having a treated water outlet 5 and a concentrated water outlet 8; a hollow fiber membrane 2; an upper end fixing unit 3 for ...  
WO/2018/181579A1
[Problem] To improve the qualities of a microporous film formed of a polyvinylidene fluoride-based resin. [Solution] A polyvinylidene fluoride-based microporous film comprising a base film and a microporous film, said microporous film be...  
WO/2018/179511A1
[Problem] To provide a membrane filtration method in which reduction in a viral removal rate in the initial period of filtration can be prevented. [Solution] This membrane filtration method comprises: a membrane filtration step for addin...  
WO/2018/183481A1
Articles and methods involving filter media are generally provided. In certain embodiments, the filter media includes at least a first layer, a second layer, and an adhesive resin positioned between the first layer and the second layer. ...  
WO/2018/174279A1
A membrane distillation device, provided with a membrane distillation module including a plurality of hydrophobic porous hollow fiber membranes, and a condenser for condensing water vapor extracted from the module. The average pore diame...  
WO/2018/173928A1
To determine, at an earlier stage, age-related degradation of a cell capture filter provided with a metal porous membrane. A cell capture filter comprises a metal porous membrane having a plurality of through-holes passing through main s...  
WO/2018/173354A1
Provided is a membrane separation device whereby the airflow of membrane surface aeration can be suppressed and operating cost can be reduced. The present invention is provided with a separation membrane 2 for filtering water to be treat...  
WO/2018/168012A1
Raw water is supplied from piping 1 to a heat exchanger 2 and heated, and then water vapor from piping 3 is supplied to a heat exchanger 4 and further heated, after which the water vapor is supplied to a reverse osmosis (RO) device 6. Pe...  
WO/2018/168522A1
A water treatment chemical for membranes, which can be used for preventing the contamination of a membrane by an organic compound having a phenolic hydroxy group, and which contains an organic amine having at least two nitrogen atoms and...  
WO/2018/168641A1
A cleaning fluid and detergent for water-contact members which both contain free chlorine and a combined-chlorine compound, wherein the molar ratio of the total chlorine (Cl2) to the nitrogen atoms N derived from the combined-chlorine co...  
WO/2018/167667A1
A composition for cleaning membranes used in food processing comprising an amine oxide and an alkyl sulfate, the composition maintaining good cleaning performance whilst leaving a low residue of surfactant on the membrane that is cleaned...  
WO/2018/163468A1
Disclosed is a method for managing the operation of a reverse osmotic membrane device, the method involving managing the operation of the reverse osmotic membrane device on the basis of the concentrations of aluminum ions and/or iron ion...  
WO/2018/163934A1
Provided is a water treatment chemical which is in solution form and comprises, as one agent, gluconic acid (salt) and a surfactant having an HLB that is obtained from formula (1) and that satisfies formula (2). This water treatment chem...  
WO/2018/163705A1
In order to evaluate the cleanliness of a hollow fiber membrane device prior to attachment of same to an ultrapure water production device, this method for evaluating the cleanliness of hollow fiber membrane devices includes: capturing, ...  
WO/2018/162981A1
The present disclosure relates, according to some embodiments, to methods of marker based direct integrity testing of at least one membrane comprising: (a) dosing a feed fluid of a loop with at least one marker comprising at least one ch...  
WO/2018/163706A1
Provided is a cleaning method for a hollow fiber membrane device, whereby the impact on the startup time of an ultrapure water production device is suppressed and microparticles are efficiently removed. The cleaning method for the hollow...  
WO/2018/159561A1
The present invention provides a reverse osmosis treatment device and a reverse osmosis treatment method with which it is possible to continuously perform a reverse osmosis treatment even during washing of piping accompanying the device....  
WO/2018/158943A1
The present invention makes it possible to effectively inhibit deterioration of a RO membrane occurring when the oxidation/reduction potential of supply water for the RO membrane is high or when oxidizing substances are included in suppl...  
WO/2018/156223A1
A method of integrity testing porous materials that is non-destructive to the material being tested. The inlet gas stream includes at least two gases, wherein one of the gases has a different permeability in liquid than the other, such a...  
WO/2018/153992A1
The present invention relates to wastewater filtration using one or more through flow hollow tubular members having a fluid penetrable wall being configured for supporting a filtration cake through which the wastewater is filtered. The f...  
WO/2018/153978A1
Spiral wound membrane rolls and modules and methods for making such membrane rolls and modules are described, along with water extraction or water filtrations systems comprising the spiral wound membrane rolls and modules and the use the...  
WO/2018/155250A1
This siphon-type air diffusion device for performing intermittent aeration is provided with: at least two siphon-type air diffusion pipes; and an air supply means for supplying air to the at least two siphon-type air diffusion pipes. The...  
WO/2018/150827A1
Provided is a means with which it is possible to prevent deterioration of the quality of a facilitated transport film for an extended period of time. A method for packaging a facilitated transport film that selectively transmits a specif...  

Matches 1 - 50 out of 12,485