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JP2015080775A |
To provide an ion exchange apparatus that can reduce the amount of water discharged from a pressure tank for the purpose of discharging the retained water.Provided is an ion exchange apparatus (1) including a pressure tank (2) for housin...
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JP2015073914A |
To provide a method for treating waste water, in which membrane separation treatment is performed while performing biological treatment on the waste water or after the biological treatment is performed and even when the waste water has h...
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JP5703106B2 |
In one embodiment, an amine capturing system includes a carbon dioxide capturing module (31) configured to bring a gas (1) containing carbon dioxide in contact with an absorbing solution (3) containing amine to cause the absorbing soluti...
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JP5699209B2 |
The present invention aims at limiting the pressure loss and smoothly discharging water treated by ion exchangers to the outside of the apparatus. Ion exchanging apparatus 1 has outer vessel 3 that has inner space 2; and ion exchanger su...
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JP5694980B2 |
The invention provides a process for separating a solution from magnetic resin portions, particles and/or fines by passing a solution containing the resin portions, particles and/or fines through a bed of particulate magnetic material.
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JP2015054274A |
To remove, both efficiently and effectively from an effluent including, as fluorine-containing substances, fluorine ions and tetrafluoroborate ions, these fluorine ions and tetrafluoroborate ions.The water treatment method of an embodime...
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JP2015508331A |
The present invention relates to a method for removing ammoniacal nitrogen from organic wastewater. This method involves contacting an organic synthetic ion exchanger with waste water containing a high concentration of ammonia, adsorbing...
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JP2015039655A |
To provide an ion exchange apparatus which enables reduction in operation costs by reducing the amount of discharge water.The ion exchange apparatus includes: a pressure tank 2 in which an ion exchange resin floor 211 is accommodated; an...
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JP5672687B2 |
To provide an ion-exchange device in which an anion-exchange resin and a cation-exchange resin are prevented, without fail, from being reversely regenerated inside a column, and with which it is possible to produce high-quality deionized...
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JP5672333B2 |
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JP5673225B2 |
To provide a water treatment method that can maintain a high salt removal rate and a high permeate flow rate even when hard water of poor water quality is used.The water treatment method includes: a first reverse osmosis membrane separat...
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JP5667577B2 |
An electrochemical device comprises an electrochemical cell. The electrochemical cell comprises a composite cation-exchange member including a conductive base and a cation-exchange material in physical contact with the conductive base, a...
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JP2015502849A |
A step of removing suspended particles and at least one ionic species from a feed stream to produce a resulting stream of water, wherein the steps include a) forming an agglomerate of the suspended particles in the feed stream. , B) The ...
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JP5660303B2 |
To provide a method for regenerating amine liquid, by which regenerated amine liquid having low content of SOx and NOx can be obtained by regenerating the amine liquid including gaseous CO, SOx, NOx and another acid component with an ion...
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JP5648231B2 |
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JP5651164B2 |
A method for producing an ammonium tungstate aqueous solution, comprising the steps of: producing a polyacid solution containing poly tungstate ions and Mo-containing polyacid ions, adsorbing said poly tungstate ions to a first anion exc...
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JP2014240057A |
To provide an aldehyde adsorbent capable of removing an aldehyde by adsorption from a carboxylic acid-containing liquid.There is provided an aldehyde adsorbent for adsorbing an aldehyde in a carboxylic acid-containing liquid containing a...
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JP5640825B2 |
To provide a water treatment method that can maintain a high salt removal rate and a high permeate flow rate even when hard water of poor water quality is used.The water treatment method includes a soft water degassing step and a first r...
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JP5642700B2 |
A diamine absorbent that contains heat stable salts is regenerated using an ion exchange process wherein the cation exchange resin is regenerated using sulfurous acid reflux.
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JP2014231040A |
To provide an ion exchange apparatus provided with a flow channel switching valve which easily forms flow channels in each step, can make a water volume large, has a simple structure, and facilitates assembling and maintenance.An ion exc...
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JP2014231039A |
To provide an ion exchange apparatus provided with a flow channel switching valve which easily forms flow channels in each step, can make a water volume large, has a simple structure, and facilitates assembling and maintenance.An ion exc...
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JP5638456B2 |
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JP5638524B2 |
A method for operating a water softening system (1) comprising an automatically adjustable blending means for mixing a blended water flow V(t)blended from a first, softened partial flow V(t)part1soft and a second untreated water partial ...
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JP2014221716A |
To provide an ammonium tungstate aqueous solution of high quality.There is provided a method for producing an ammonium tungstate aqueous solution, the method comprising; a step of producing a polyacid solution containing poly tungstate i...
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JP5622426B2 |
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JP2014528886A |
A material having cation exchanger properties is introduced into an aqueous medium in which carbon dioxide dissolution equilibrium occurs. Using the cation exchange material x / nMw E,-, x / nM + nEx (s) + xH3O + (aq) = xH3O + Ex (s) + x...
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JP5616694B2 |
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JP5616354B2 |
The invention relates to a method for purifying wastewater loaded with nitrogen-containing compounds, wherein the wastewater loaded with nitrogen-containing compounds is reacted with a smectic sheet silicate, wherein a clay material load...
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JP2014184391A |
To enable, even within a geographic region where the securing of a water supply is difficult, etc., the use of an amphoteric ion exchange resin for treating a leachate from a final disposal site, etc.A solution including Caand SOis perme...
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JP2014173152A |
To provide, as a method for regenerating a pore-sealing treatment liquid including lithium ions and having been used for a pore-sealing treatment of an aluminum anodic oxidation film, a method capable of efficiently removing aluminum fro...
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JP5591296B2 |
Disclosed is an adsorptive ball for recovering precious metals and resources, a method for manufacturing the adsorptive bale, a flow through-continuous deionization (FT-CDI) module capable of recovering precious metals by using the adsor...
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JP5591250B2 |
A diamine absorbent that contains heat stable salts is regenerated using an ion exchange process wherein the concentration of heat stable salts in the feed stream provided to the cation exchange unit is limited.
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JP5589327B2 |
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JP5589464B2 |
To provide a filtration system capable of producing treated water of stable quality.The filtration system includes turbidimeters 9a, 9b, a hardness meter 18, washing means 24, 25a, 4a, 25b, 4b, regeneration means 24, 25c, 14, a deciding ...
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JP5589854B2 |
To collect high-purity bismuth.A method for collecting the bismuth includes: a step (S1) of adding an alkali to an acid solution containing the bismuth and a chloride ion to keep pH within a range of 2.5 or more but less than 4.0, thereb...
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JP5568434B2 |
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JP5564967B2 |
To propose a method for regenerating an ion exchange resin by which the ion exchange resin having been used for removing an acid component from an amine liquid can be regenerated inexpensively in such a way that the amine in an ion excha...
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JP5564817B2 |
To provide a method of regenerating an ion exchange resin and an ultrapure water producing apparatus, for stably producing ultrapure water whose boron concentration is ≤1ng/L. In the method of regenerating the ion exchange resin by bri...
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JP5562247B2 |
Ion transport apparatus (e.g. an electrolytic eluent generator or a suppressor for ion chromatography) in which ions in a first chamber are transported to a liquid in second chamber through a wall comprising an ion exchange bead sealed i...
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JP2014133196A |
To provide a phosphoric acid recovery method for efficiently recovering a free phosphoric acid from sewage sludge incineration ash or steel-making slag.The sewage sludge incineration ash or the steel-making slag and an acid are reacted w...
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JP2014133197A |
To provide a water softening apparatus capable of extending exchanging cycles of ion exchange resins.The provided water softening apparatus includes, for the purpose of executing an antioxidant operation of preventing the oxidation of a ...
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JP5556046B2 |
To provide a treatment liquid to be used for refining a crude ion exchange resin, which can be prepared without necessarily using an aqueous mineral acid solution with less content of metal ions and can reduce a metal ion content of a cr...
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JP2014129319A |
To provide a purification method for an antibody protein which can efficiently purify the antibody protein.The method for purifying the antibody protein using a temperature-responsive cationic ion-exchange resin which adsorbs an antibody...
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JP2014515718A |
The present invention relates to a method of purifying strong acids or strongly acidic media to remove di- and higher valent metal ions, which can be used within the context of the production of high-purity silica. The invention further ...
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JP5539823B2 |
To provide a method for purifying an electrolytic solution containing tin, which can safely and effectively separate and recover tin contained in a copper electrolytic solution.A purifying method includes steps of: contacting the electro...
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JP5538953B2 |
To provide a purification method by which molybdenum in an alkali tungstate solution is efficiently removed through a simple treatment process. The method for purifying an alkali tungstate solution comprises adjusting the pH of a sodium ...
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JP5540574B2 |
To provide a metal recovering method in which, when valuable metal-containing waste water is fed to a chelating resin column to allow ions of the metal to be adsorbed and then the metal ions adsorbed by the chelating resin are eluted for...
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JP5532197B2 |
To simplify handling work when performance of an ion exchanger is reduced. Valves 48, 49 for blocking the piping 46 at the time of removing the ion exchanger 47 from the piping 46 are arranged on a connecting section of the ion exchanger...
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JP5528551B2 |
Described herein is a cementitious article and a method of making using a water-based manufacturing system that incorporates a closed-loop or partially closed loop water recycling system and an alkali removal process. The system, as such...
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JP5527447B2 |
[Problem] To provide a device that can continuously refine an organic solvent, and can stably remove moisture from a large amount of organic solvent without generally requiring replacement of a dehydrating material. [Solution] An organic...
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