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Matches 201 - 250 out of 3,032

Document Document Title
WO/2014/089614A1
The present invention relates to a process, method and plant for recovering scandium and ions containing scandium using an ion exchange resin from a feed stream. The feed stream may be, but is by no means limited to, a leach liquor or le...  
WO/2014/091726A1
[Problem] To provide an ion exchanger capable of efficiently adsorbing ions. [Solution] The present invention is provided with: a porous positive-ion exchanger (2) which is formed into a sheet shape, and which has, mixed therein, binder ...  
WO/2014/064754A1
This method uses an ion exchange resin to decrease salts other than boron from a boron-containing solution containing anions such as chloride ions. In the method, two anion exchange resin-packed columns, each packed with a free base form...  
WO/2014/060247A1
The invention relates to a technical method for purifying compounds containing phosphoric acid groups or phosphoric groups, and to the use of said compounds, according to said method, for producing silicon, in particular highly pure so c...  
WO/2014/058470A1
Ion exchange membranes may comprise a polymeric microporous substrate and a cross-linked ion transferring polymeric layer on the substrate. The cross-linked ion transferring polymeric layer may comprise a polymerization product of at lea...  
WO/2014/055123A1
Anion exchange membranes may include a polymeric microporous substrate and a cross-linked anion exchange polymeric layer on the substrate. Anion exchange membranes may have a resistivity of less than about 1.5 Ohm-cm2 and an apparent per...  
WO/2014/049836A1
A flow passage control valve (1) is formed by providing valves (6-13) in a valve housing (5) in which set flow passages are formed. A camshaft (48) for operating each of the valves (6-13) is provided in the left-right direction at the up...  
WO/2014/031382A1
A method of eluting metal ions from a bed of metal-loaded chelating resin wherein the resin includes a crosslinked styrene-divinylbenzene copolymer matrix with pendent methyleneaminopyridine or phosphonic acid groups and the method inclu...  
WO/2014/030766A1
A method for treating exhaust gas, comprising first contacting exhaust gas comprising inorganic halogenated gas discharged from sources of the exhaust gas with Fe2O3 or synthetic zeolite and then contacting with an anion exchange resin h...  
WO/2014/018419A1
In particular, in alternative embodiments, the invention provides for a method to recover silicofluoride and phosphate species from wastewaters, or barometric condenser waters, that are typically utilized in wet-process phosphoric acid f...  
WO/2014/014665A1
An improved counter-flow ion exchange system and method for operating the same, including a plurality of vertically aligned columns of packed bed ion exchange resin including: an upstream column including a packed bed of cation exchange ...  
WO/2013/177199A1
The growth of continuous MOF membranes on porous polymeric supports is reported, wherein a dip-coating procedure is used to deposit a layer of seed MOF nanocrystals on the surfaces of porous polymers, preferably in the form of hollow fib...  
WO/2013/173880A1
The present invention relates to water treatment, in particular to a process for the removal of contaminants in a raw water source where the contaminants consist of organic species and inorganic species.  
WO/2013/172710A1
The invention relates to Method of removing dissolved organic carbons from raw water, containing suspended and/or colloidal matter in a suspended ion exchange process, comprising the steps of: -feeding the water into a plug flow reactor ...  
WO/2013/168449A1
The purpose of the present invention is to obtain treated water with good quality using a simple configuration. A condensing desalination device (41) has a condensing desalination tower (1) filled with an ion-exchange resin, a regenerati...  
WO/2013/153149A1
The invention relates to a method for operating a water treatment system comprising multiple containers (1, 2) which can be operated in parallel and each of which is fitted with a water treatment element with a base capacity and comprisi...  
WO/2013/153148A1
The invention relates to a method for operating a water treatment system, with a first container (1A) and an additional container (1B, 1C), through each of which a respective partial volume flow (5A, 5A' 5A", 5A"', 5B, 5B', 5B", 5B'", 5C...  
WO/2013/148056A1
Processes and apparatuses for washing a spent ion exchange bed and for treating biomass-derived pyrolysis oil are provided herein. An exemplary process for washing a spent ion exchange bed employed in purification of biomass-derived pyro...  
WO/2013/091497A1
A regenerating reactor for desorbing a powdery resin, comprising a reactor (1), a resin separator (5), a desorption liquid tank (15), and a regenerated resin delivery system; the resin separator (5) has one end thereof connected to a dis...  
WO/2013/093444A1
The present invention relates to a process and, more specifically, to a process for the removal of components from a starting material. Optionally, the process is used for the removal of contaminants from ion exchange regenerant material.  
WO/2013/090448A1
Methods and systems for an integrated acid regeneration of ion exchange resins are disclosed for use in cleaning applications. Acid resins designed for use in a variety of cleaning application using a treated, softened, acidic water sour...  
WO/2013/090446A1
Methods and systems for acid regeneration of ion exchange resins are disclosed. Acid resins designed for use in a variety of cleaning application using a water source use a treated, softened, acidic water source according to the inventio...  
WO/2013/019765A9
Provided are electrochemical devices that are rechargeable, where the regeneration techniques are based on a batch-wise application of current or current density to the cells, where there are a service mode where no current or current de...  
WO/2013/062100A1
[Problem] To efficiently remove a metal ion from solution containing a metal ion and tetraalkylammonium ion, such as resist development waste solution or the like. [Solution] A solution containing a metal ion and tetraalkylammonium ion a...  
WO/2013/038990A1
Provided is a method for recovering an anionic fluorinated emulsifier enabling an anionic fluorinated emulsifier onto which a basic ion-exchange resin has been adsorbed to be recovered easily and efficiently. A basic ion-exchange resin a...  
WO/2013/033204A1
A method and apparatus for treating water including a tank having an inlet and outlet and a water treatment material within the tank. A control valve assembly having multiple, separable levels houses a water usage metering mechanism and ...  
WO/2013/025374A1
A system and method for providing mobile or temporary water treatment involving ion exchange resins includes a service centre (14), one or more treatment vehicles (16), a resin transfer hub (22) and one or more resin transport vehicles (...  
WO/2013/021475A1
[Problem] To provide a method for preventing calcium scale whereby chemical cost can be reduced and operation cost can be saved. [Solution] A method for preventing calcium scale, which comprises: by using an amphoteric ion-exchange resin...  
WO/2013/021468A1
Provided is a water treatment system capable of stably limiting deposition of calcium carbonate scale while limiting deposition of silica scale and fouling even when using hard water of very poor water quality. The hard water-softening d...  
WO/2013/011901A1
The purpose of the present invention is to provide: a separation/collection method which can increase the distribution ratio between different rare earth elements for the purpose of achieving the reduction of cost in the separation/colle...  
WO/2012/176845A1
Provided is a method for manufacturing a chlorogenic acids composition having good flavor and reduced caffeine that makes it possible to recover chlorogenic acids from a chlorogenic acids-containing composition at high purity and good yi...  
WO/2012/157236A1
This water softening device (201) is provided with: a negative electrode (8) and a positive electrode (9); at least one water-splitting ion exchange membrane (1) that has a positive ion exchange surface (1a) on one surface, has a negativ...  
WO/2012/157448A1
The present invention addresses the problem of suppressing pressure loss and smoothly discharging the water treated by an ion exchanger outside an ion exchanger equipment. An ion exchanger equipment (1) has an outside container (3) which...  
WO/2012/154040A1
The present invention relates to an ampholytic polymeric system obtainable by a process comprising the copolymerisation of (i) a monomer according to Formula (1), (ii) an ethylenically unsaturated cationic monomer and (iii) a (co)polymer...  
WO/2012/101419A1
A method for monitoring the effectiveness of an ion exchange module in an ultrapure water purification circuit containing ultrapurified water and having a purified water inlet and a point of use outlet and a memory, the method comprising...  
WO/2012/090699A1
[Problem] In a case where tetraalkylammonium (TAA) ions are recovered from waste liquor from development or the like using a cation-exchange resin in a conventional manner, the obtained TAA salt is contaminated with metal ions. Therefore...  
WO/2012/053098A1
A hot-water supply system comprising: a switching valve (35) to which a water supply pipe (P1), an inlet pipe (P3) connecting to a hot-water supply device, and a return pipe (P4) returning from a water softening device (30) are connected...  
WO/2012/043870A1
An object of the present invention is to provide a method for recovering fluorosurfactants which enables a fluorosurfactant used for the manufacture of a fluoropolymer to be collectively recovered. The method for recovering a fluorosurfa...  
WO/2012/039127A1
This porous ion exchanger comprises: a first porous ion-exchange composition (2) obtained by mixing first binder particles (5) dispersed in water or in a solvent with first fine ion-exchange resin particles (4) to obtain a paste, forming...  
WO/2012/039038A1
Tc-99m produced from Mo-99 can be collected several times by passing an Mo-99 solution containing Tc-99m through a first column filled with an extraction chromatographic resin to extract and purify Tc-99m and extracting and purifying Tc-...  
WO/2012/039037A1
Technetium-containing molybdenum is dissolved in a solvent to obtain a solution. The solution is passed through a first column packed with an extraction chromatographic resin, and the molybdenum-containing solution that has passed theret...  
WO/2012/024839A1
A preparation method of dicyclohexyl disulfide is provided, in which sodium disulfide is reacted with chlorocyclohexane in an aqueous solvent to synthesize dicyclohexyl disulfide, and in which at least a part of the reaction mixture cont...  
WO/2011/162033A1
Provided is a calcium removal method that can reduce operating costs. A solution (L2) that contains potassium and/or sodium and calcium is passed through an ion exchange resin (35) and the potassium and/or sodium and calcium is isolated....  
WO/2011/141953A1
Provided is a method for the operation of an ion exchanger, which overcomes the problems of split-flow regeneration and can attain a higher yield. The method comprises a regeneration process that includes a first regeneration process and...  
WO/2011/136445A1
A water pressure regenerated type water softener including: a timer control valve having a valve control unit rotated by a timer spring and into which raw water is supplied; a plurality of conduits into which the raw water selectively fl...  
WO/2011/132740A1
Disclosed is a system and method for recycling rare metals, which separates and collects rare metals by making use of chemical actions in an efficient combination of adsorption and separation, thereby reducing work load and improving wor...  
WO/2011/117536A1
The present invention relates to a composition for regenerating resins, particularly cation exchange resins used in water softeners. The alkali metal chloride composition also comprises an alkylether carboxylic acid and an alkali metal c...  
WO/2011/102479A1
In a process for producing an aromatic carboxylic acid, when a chelate resin having a pyridine ring, which is used in the step for absorbing and collecting a bromide ion and a heavy metal ion derived from a catalyst by means of an oxidat...  
WO/2011/102480A1
In a process for producing a terephthalic acid, when a chelate resin having a pyridine ring, which is used in the step for absorbing and collecting a bromide ion and a heavy metal ion derived from a catalyst by means of an oxidation reac...  
WO/2011/101342A1
The invention relates to a method for separating fluorinated acids, in particular perfluorocarboxylic acids and perfluorosulfonic acids or the salts thereof from diluted aqueous solutions with the aid of anion exchangers.  

Matches 201 - 250 out of 3,032