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WO/2023/058298A1 |
This liquid-sealed vacuum pump operating method involves: discharging a liquid from vacuum piping 30 connected to a liquid-sealed vacuum pump 28; increasing the pressure of a sealing liquid and supplying same to the liquid-sealed vacuum ...
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WO/2023/052226A1 |
A bipolar membrane comprising:a) a first layer comprising a first polymer having ionic groups; b) a second layer comprising a second polymer having ionic groups of charge opposite to the charge of the ionic groups of the first polymer; a...
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WO/2023/055764A1 |
A membrane filtration cell is provided which includes a fluid passageway and a filtration membrane positioned within the passageway, the filtration membrane dividing the fluid passageway into two chambers, a retentate chamber and a perme...
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WO/2023/051885A1 |
An apparatus for refining proteins or other biomolecules in biological compositions, such as for separation of proteins from milk, whey, blood plasma, fermentation broth, or similar.
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WO/2023/052574A1 |
The present invention relates to the field of composite membranes. More specifically, the present invention relates to a composite filter membrane comprising: a filtration layer, a support layer comprising at least one through-hole; and ...
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WO/2023/052357A1 |
Methods and procedures for operating biologics or biopharmaceutical purification protocols where disparate process steps requiring significantly different process parameters (e.g., pressure and flow rate) as continuous processes without ...
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WO/2023/053504A1 |
The present invention provides a cleaning agent, a cleaning liquid and a cleaning method, which are capable of effectively removing a contaminant that is not able to be sufficiently removed by conventional cleaning liquids in cases where...
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WO/2023/052506A1 |
The present invention relates to a bipolar membrane which has a Constant Phase Element (CPE) of 725 Ohnr-1.sn or lower when measured at a current density of 25 mA/cm2, to a process for preparing the bipolar membrane, to applications the ...
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WO/2023/049978A1 |
The invention relates to a water treatment system with recovery of reverse osmosis wastewater (30) by passing the wastewater through a filter (40) made of a resin composed of a iodine-derived halogen, the outlet of the resin filter (40) ...
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WO/2023/053117A1 |
The present invention provides a non-biological deionization fuel cell (DFC) comprising, inter alia, a cathode comprising a non-platinum group metal and a nitrogen doped carbon matrix. Further provided is a method of preparing the cataly...
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WO/2023/053678A1 |
This ultrapure water production system comprises: a filtration device provided with a filter through which passes water being treated flowing in a main flow path; a reverse osmosis membrane device provided with a reverse osmosis membrane...
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WO/2023/054648A1 |
A hollow fiber membrane module operating method according to the present invention comprises a step for performing cross-flow filtration by supplying untreated liquid to the outer surface side of a hollow fiber membrane. The ratio of the...
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WO/2023/055705A1 |
A biological treatment apparatus comprising: (a) a vessel; (b) an inlet conduit for providing feed water to an inlet region; (c) an outlet conduit for removal of treated water from an outlet region; (d) an inlet distributor comprising in...
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WO/2023/046740A1 |
The invention relates to an electrochemically assisted ion exchange water treatment device comprising a first inlet feeding water into line Lo a prefiltration unit, an electrochemical cell assembly capable of removing ions from a solutio...
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WO/2023/049217A1 |
Provided herein are compositions, devices, and methods including nanofiber compositions comprising a polymer and nanoparticles including one or more of nickel, cobalt, silver, and tetraphenylborate, wherein the compositions are capable o...
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WO/2023/046968A1 |
The invention relates to a method for producing gaseous dihydrogen and ammonium sulfate from an aqueous liquid effluent containing organic and mineral matter or from a mixture of aqueous liquid effluents, said method comprising the follo...
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WO/2023/049383A1 |
Compositions, systems, and methods for selectively leaching and/or extracting lithium from sedimentary deposits and other resources are generally described.
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WO/2023/040435A1 |
A modified polyisophthaloyl metaphenylene diamine (PMIA) ultrafiltration membrane and a preparation method therefor. The modified PMIA ultrafiltration membrane is prepared by using PMIA as a membrane material, using an amphiphilic block ...
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WO/2023/040018A1 |
Disclosed are a novel low-pressure high-recovery rate nanofiltration system and method. The system comprises a water intake tank (1), a pretreatment system (2), a low-pressure nanofiltration membrane system (3), a concentrated/waste wate...
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WO/2023/041216A1 |
The invention relates to a membrane filter (1) for a submerged operation for filtering a liquid, comprising membrane elements (2), which are arranged next to one another horizontally and each of which has the following features: • memb...
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WO/2023/041977A1 |
A fluid purification apparatus is disclosed. The fluid purification apparatus includes a vertical cylindrical body (20), a retainer plate (70) associated with a gasket ring (80). The vertical cylindrical body (20) includes a media positi...
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WO/2023/043935A1 |
A dry-process microporous membrane for filtration, wherein at least one layer of the membrane has an average pore size less than 0.035 microns, preferably between about 0.010 microns to about 0.020 microns, and a thickness less than 14 m...
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WO/2023/040336A1 |
Disclosed is a solvent-resistant forward osmosis composite membrane, the solvent-resistant forward osmosis composite membrane having an upper and lower composite structure composed of a separation layer and a porous support layer, the ma...
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WO/2023/036393A1 |
This invention related to new piezodialysis system by replacing the mosaic ion exchange membrane with two faced Nano porous oppositely charged filters forming three rooms. charges may come from a battery or ionizable chemical groups acco...
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WO/2023/036490A1 |
The invention relates to a membrane filter (17) for a submerged operation for filtering a liquid, comprising membrane units (18) and a gas distribution system (19) for distributing a gas to the membrane units (18) for flushing purposes, ...
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WO/2023/036944A1 |
An osmosis module (100) for pressure retarded osmosis. The osmosis module (100) comprises a pressure vessel (102) having a first draw port (130) and a second draw port (132). The first draw port (130) is provided in a first end-face (104...
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WO/2023/036943A1 |
An osmotic process is disclosed, the process comprising for a first time period, passing a draw stream (2) and a feed stream (14) through an osmotic unit (6). The feed stream (14) is an aqueous stream of lower salinity than the draw stre...
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WO/2023/037877A1 |
A forward osmosis treatment method comprising a forward osmosis treatment step using a forward osmosis module having a semipermeable membrane and a first chamber and a second chamber separated by the semipermeable membrane, and a cleanin...
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WO/2023/037408A1 |
This seawater desalination ship 1 that uses wind power comprises: a hull part 2; a wind blade part 3 that has a sail 3a provided to the top portion of the hull part 2 to receive wind power and utilizes wind power to obtain a rotational f...
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WO/2023/038538A1 |
A method, apparatus and system for seawater treatment are provided. The apparatus for seawater treatment includes a first chamber that is in fluid communication with a feed solution, a second chamber that is in fluid communication with a...
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WO/2023/039264A1 |
Systems for water desalination are disclosed. The systems include a source of non- potable water, a low pressure nanofiltration device, a first electrodialysis unit, a second electrodialysis unit, and recycle conduits. Methods of water d...
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WO/2023/037102A1 |
A human waste processing system adapted to process both human solid and liquid waste deposited into a toilet or similar vessel and to process the waste for further use and/or convenient disposal. The present system is specifically config...
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WO/2023/037772A1 |
A water treatment system (1) comprising: a reverse osmosis membrane separation device (2) for separating to-be-treated water (d0) into primary concentrated water (d1) and first clean water (c1) by means of a reverse osmosis membrane; and...
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WO/2023/033069A1 |
The present invention is a concentration method for concentrating, before performing analysis using an analysis device, an analysis solution that includes an analysis solute and an analysis solvent. The concentration method is based on p...
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WO/2023/030655A1 |
According to the invention, a process is provided for preparing lithium hydroxide or an aqueous solution thereof using untreated water containing lithium salt, wherein an electrolysis of a first electrolyte is carried out. The electrodia...
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WO/2023/034277A1 |
Systems and methods for desalinating a liquid are provided. A desalination system may include a main container and may be configured to provide at least one of an electric field or a magnetic field through the main container to control a...
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WO/2023/032566A1 |
As a measure against the adherence of calcium fluoride scales onto a reverse osmosis membrane, there are provided a water treatment method and a water treatment apparatus whereby it becomes possible to add a scale inhibitor in a proper a...
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WO/2023/031414A1 |
The present invention relates to a method and system for removal of solutes, such as dissolved salt, from water. The method is preferably carried out in a system comprising at least one membrane filter and a receiving system. The method ...
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WO/2023/032776A1 |
Provided is an anion exchange membrane that has low electrical resistance when performing electrodialysis and has excellent selective permeability for monovalent anions, without an increase in manufacturing costs. Also provided is a manu...
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WO/2023/031954A1 |
The present invention relates to an assembly with a negatively charged dendrite inhibiting ionomer membrane made by cross-linking of sulfonated polyvinyl alcohol (PVS) and polyvinyl alcohol (PVA) for aqueous rechargeable zinc metal batte...
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WO/2023/034352A1 |
A separator for an electrochemical deionization cell for removing ions from a solution stream. The separator includes an anion exchange membrane layer formed from an anion exchange membrane material. The anion exchange membrane layer has...
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WO/2023/028313A1 |
An electrochemical deionization system that maintains an operating temperature range of a solution stream (e.g., seawater or brackish water) flowing through the cells of the electrochemical deionization system. Maintaining the operating ...
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WO/2023/026815A1 |
A forward osmosis treatment method comprising a forward osmosis step for bringing a feed solution into contact via a semipermeable membrane with a draw solution having a higher osmotic pressure than the feed solution, thereby moving wate...
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WO/2023/027190A1 |
This lithium recovery device 10C is provided with a processing tank 1 that is partitioned into a supply tank 11 and a recovery tank 13 by a lithium ion-conducting electrolyte membrane 2. In order to selectively move Li+ to an aqueous sol...
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WO/2023/028540A1 |
There is provided a method of concentrating functional biological components within a liquid suspension, the method comprising: providing a system comprising an ultrafiltration/concentration unit (UCU), the UCU comprising a first chamber...
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WO/2022/265998A9 |
A method of degrading 1,4-dioxane in the wastewater produced during the manufacture of alkyl ether sulfates is disclosed. The method includes the steps of (a) mixing from 100 to 10,000 ppm, preferably 1,000 to 4,000 ppm of ozone with the...
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WO/2023/026554A1 |
Provided are a method and a device for treating fluorine-containing water, the method and device making it possible to suppress blockages in a RO device even if the number of processes is reduced. According to the present invention, fluo...
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WO/2023/028175A1 |
One variation of a system includes a cartridge comprising: a substrate; a sample well integrated into the substrate, defining an upper opening and a lower opening, and configured to receive a test solution comprising a user sample and an...
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WO/2023/028281A1 |
Targeted metal ions can be harnessed from brines by feeding a mixed, aqueous, brine stream including the targeted metal ions and other dissolved ions through a water-recovery module on a first side of a first membrane. In the water-recov...
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WO/2023/028312A1 |
Water deionization systems based on electrochemical water desalination or softening using a capacitive or intercalative deionization devices including a stack of electrochemical cells. Each cell includes first and second electrodes and a...
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