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WO/2020/190767A1 |
A system and method for regeneration of an ion exchange material employed in a water softening or conditioning system. The method includes the step of contacting the ion exchange material with an aqueous process fluid that includes a com...
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WO/2020/178512A1 |
The invention relates to a method for treating sugar comprising: - placing a coloured sugar juice in contact with an ion exchange resin so as to charge the resin with colouring agents and to collect a bleached sugar juice; - regenerating...
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WO/2020/180397A1 |
A system and method configured to restore ion exchange kinetic properties and purify resin is described. Degraded ion exchange kinetic properties of anion resin will eventually result in impurity slippage through resin charges. This syst...
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WO/2020/174112A1 |
The invention relates to a method for producing a dry electrolyte, which comprises a step of adding a conductive liquid to a group of porous particles of ion-exchange resin or ion-exchange polymer, during which the porous particles are n...
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WO/2020/160539A1 |
Methods are disclosed for treating water containing a target anion to remove the target anion. The methods can include preparing a treatment composition solution that contains a metal treatment agent, adjusting the treatment composition ...
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WO/2020/152085A1 |
A water treatment plant with a container with periodically regenerable means for water treatment, a valve system for controlling flow rates by means of a movable control element (1), a counter-element (5) arranged in stationary fashion i...
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WO/2020/118371A1 |
Disclosed is an ion exchange resin comprising a polymer having strong acid and strong base groups on the same polymer. In some forms the resin comprises a high density of polymers having strong acid and strong base groups on the same pol...
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WO/2020/112428A1 |
A method for producing an ion exchange resin. The method comprises steps of: (a) providing a basic ion exchange resin in the acidic form which comprises amino polyol groups and has a volume % swell from 15 to 30% upon conversion from the...
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WO/2020/112427A1 |
A fluid treatment apparatus comprising a tank containing a bed of at least one fluid treatment medium, a distributor plate separating the bed from an end portion of the tank, and an inert medium comprising amorphous particles having a ha...
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WO/2020/089200A1 |
The invention relates to an apparatus (100) for cleaning at least one fluid, comprising a first ion-exchange column (2), an entry line and an exit line, wherein the entry line and the exit line are assigned to a cover part, wherein the e...
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WO/2020/050381A1 |
The present invention is a water softener (1) for softening water by passing to-be-treated water through an ion-exchange resin (9), the water softener comprising: an ion-exchange resin-filled tank (2) filled with the ion-exchange resin (...
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WO/2020/039731A1 |
This ion-exchange resin regeneration system comprises a salt water flowing means for flowing an aqueous sodium chloride solution or an aqueous potassium chloride solution through a container housing an ion-exchange resin, and a hard wate...
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WO/2020/013070A1 |
The present invention realizes a technique that makes it possible to reduce the amount of acidic liquid used for acidic liquid regeneration that includes adsorption agent regeneration. This regeneration device for a bath liquid regenerat...
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WO/2019/244443A1 |
Provided is a method for removing boron from water to be treated, the method including: a step for subjecting the water to be treated to a reverse osmosis membrane treatment; a step for subjecting at least a portion of permeated water af...
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WO/2019/228397A1 |
A purified-softened water processing system, comprising a flat valve (10), a purification device (20), and a softening device (30). The flat valve (10) comprises a valve body (11), a movable valve plate (13), and a fixed valve plate (12)...
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WO/2019/228399A1 |
A water treatment machine, comprising: a purification device (20), a softening device (30), and a housing (50), wherein both the purification device (20) and the softening device (30) are both disposed in the housing (50). Also disclosed...
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WO/2019/213753A1 |
The present disclosure provides a process for polishing at least one metal contaminant from a stock solution comprising Sc comprising the steps of a) contacting the stock solution with an ion exchange resin capturing Sc and the at least ...
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WO/2019/209141A1 |
The group of inventions relates to technology for producing solutions of mineral fertilizers. In order to process source water, three consecutively arranged ion-exchange columns are used: two having a cation exchanger in the form of a su...
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WO/2019/163285A1 |
Provided is a more economical method for obtaining a concentrated scandium solution from an acidic solution containing scandium by means of an ion exchange treatment that uses a chelating resin. This method is suppressed in deterioration...
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WO/2019/156582A1 |
Filter packets made of a material that filters a sodium chloride solution, said filter packets containing salt, are used for preparing a sodium chloride solution for regenerating an ion exchange resin that is cyclically usable for soften...
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WO/2019/157494A1 |
Methods of stabilizing virgin ion exchange resin material are provided. The methods include cleansing the virgin ion exchange resin material with a preparation comprising a non-ionic detergent. The methods include cleansing the virgin io...
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WO/2019/115799A1 |
The present invention relates to a method for identifying the unit causing a raw water leak in a condenser of a thermal power plant consisting of n units.
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WO/2019/087762A1 |
Provided are a method and system for recovering an acidic gas whereby metal ions such as iron ion, a heavy metal ion, etc. in an amine absorbing solution can be quantified within a short period of time at a high accuracy and a factor whi...
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WO/2018/233949A1 |
The invention relates to mixtures containing basic anion exchangers and flow regulating agents, to the use thereof for the adsorption of acidic gases, in particular, carbon dioxide, to a method for the continuous gas adsorption and heat ...
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WO/2018/218333A1 |
An aqueous modified acid composition for industrial activities, said composition comprising: an alkanolamine and strong acid in a molar ratio of not less than 1:15, preferably not less than 1:10; it can also further comprise a metal iodi...
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WO/2018/211794A1 |
The purpose of the invention is to easily separate a cation exchanger and an anion exchanger and control the installation area. A condensate demineralization device 1 has: an inner cylinder 3 defining an inner-side space 6 filled with a ...
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WO/2018/204069A1 |
Methods of regenerating a strong base anion resin are described. The method comprises collecting a salt-containing product from a chromatographic system configured to process a biomass derived material. The salt-containing product is pro...
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WO/2018/203548A1 |
The present invention provides a method for removing divalent metallic cations from a macromolecular compound having an anionic functional group and containing a divalent metallic cation, the method comprising: (1) suspending a macromole...
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WO/2018/171068A1 |
An ion exchange resin packed-bed countercurrent regeneration device and a use method thereof. The regeneration device comprises a cyclone separator (1), a regeneration reactor (2), a continuous-stirred resin reactor (3), a desorption liq...
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WO/2018/174148A1 |
Provided is a method for smelting a metal oxide ore for obtaining a metal sulfide, wherein the method makes it possible to efficiently recover a fine metal sulfide included in an overflow solution and reduce the recovery cost of metal co...
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WO/2018/153657A1 |
A water softening device (100; 200) comprises a filter (101; 201) which is configured to remove hardness from a first stream of raw water to produce a second stream of softened water. The filter (101; 201) comprises an ion exchange (IEX)...
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WO/2018/151261A1 |
[Problem] To provide a vitamin E production method and a vitamin E production device capable of increasing the purity of vitamin E in a vitamin E concentrate. [Solution] A raw material oil supply part 1 supplies a raw material oil to a s...
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WO/2018/145295A1 |
Provided is a method of cleaning a collection of resin beads, wherein the method comprises bringing the collection of resin beads into contact with an aqueous solution, wherein the aqueous solution comprises one or more dissolved amine c...
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WO/2018/127679A1 |
A method of regenerating an ion exchange material for an ion exchange column, the method comprising the steps of: a] preparing a regenerant which comprises a salt solution; b] modifying the regenerant by increasing the pH and/or increasi...
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WO/2018/096272A2 |
The invention relates to a method for purifying a solution, the method comprising the following successive steps: – bringing a solution to be purified into contact with an ion exchange resin by suspending the ion exchange resin in the ...
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WO/2018/088015A1 |
A method for regenerating a weakly basic anion exchange resin and a strongly basic anion exchange resin by passing a regeneration agent through a multilayer anion exchange column provided with a weakly basic anion exchange resin layer an...
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WO/2018/051664A1 |
A water quality management system 10 provided with: a regenerating ion exchange device 1; a water quality-measuring device 2 with an ion concentration meter 22; a first discharge pipe 3 through which treated water W1 discharged from the ...
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WO/2018/044702A1 |
Provided is a method of removing sodium from a collection of sodium-laden resin beads comprising the steps of (a) providing the collection of sodium-laden resin beads, wherein the resin beads comprise one or more vinyl polymers having qu...
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WO/2018/044703A1 |
Provided is a collection of resin beads, wherein the resin beads comprise one or more vinyl polymers having quaternary ammonium groups; wherein cation exchange resin, if present in the collection of resin beads, is present in an amount o...
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WO/2018/037870A1 |
According to the present invention, a supply pipe 3 for pretreated water W to be subjected to ion exchange is coupled to the upper part of a regenerative ion exchange column 1, whereas a discharge pipe 4 for ion exchange-treated water W1...
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WO/2018/038683A1 |
This invention relates to a switchable adsorption and desorption process triggered by carbon dioxide (CO2) to remove contaminants such as heavy metal ions using CO2-responsive adsorbent materials for water purification. The method compri...
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WO/2018/035573A1 |
The present invention provides a method for desalinating a salt solution, the method comprising the steps of: a) eluting an ion-exchange bed having both cation and anion exchangers with an eluent comprising ammonium bicarbonate to produc...
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WO/2018/029661A1 |
The present disclosure relates to a process for reducing the amount of carbon disulphide (CS2) in a hydrocarbon feed containing C5-C8 fractions. The hydrocarbon feed is treated with an amine functionalized anion exchange resin (basic ani...
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WO/2017/199996A1 |
The present invention makes it possible to carry out ion exchange resin regeneration simply at a lower cost even when SO4 2- or CO3 2- are included in water to be treated in a water treatment method using an ion exchange resin and a reve...
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WO/2017/189415A1 |
Embodiments of the invention provide methods of synthesizing 18F-tetrafluoroborate (18F-TFB) via direct radiofluorination on boron trifluoride (BF3) to enhance both labeling yield and specific activity, Uses of 18F-TFB are also contempla...
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WO/2017/159812A1 |
This ion exchange device is provided with an anion exchange tank, a cation exchange tank, and a tower body side unit, wherein the anion exchange tank and the cation exchange tank are connected with each other by a connection means extend...
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WO/2017/151935A1 |
Provided are methods for removing a perfluorinated alkanoic acid from solutions containing the perfluorinated alkanoic acid and a fluorinated alkoxy acid. These methods include contacting the first solution with an anion-exchange resin t...
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WO/2017/132301A1 |
A source liquid including a solvent with a dissolved impurity flows into a reservoir. The source liquid or a concentration of the source liquid is pumped from the reservoir through a pressure exchanger into an upstream side of a liquid-s...
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WO/2017/117026A1 |
A control system for a water treatment apparatus that includes a control valve assembly having a servo chamber in which a stationary port defining signal ports is located. A regeneration control disc sealingly engages and rotates on a pl...
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WO/2017/109813A1 |
Disclosed is a water purification device that can be carried easily to a desired place and with which it is possible to obtain delicious water including mineral components while simplifying the construction of the water purification devi...
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