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JP6061446B2 |
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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JP6057429B2 |
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JP2016215144A |
To provide a water treatment system capable of efficiently removing fauling causing substance.Provided is a water treatment system including: an adsorption apparatus where fauling causing substance is adsorbed from raw water having the c...
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JP6046242B2 |
The invention is directed to a method for recovering carboyxlic acid from an magnesium carboxylate containing aqueous mixture comprising, comprising the steps of - contacting the aqueous mixture with an acidic ion exchanger, thereby form...
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JP6042234B2 |
To enhance desalination performance, reduce a size of an apparatus and also enhance regeneration efficiency in a desalination apparatus using a bipolar membrane.The desalination apparatus is provided with an ion exchange resin layer 16 f...
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JP2016203034A |
To provide a wastewater treatment method that, in a waste water treatment process in which a membrane separation treatment is performed while or after subjecting the wastewater to a biological treatment, allows for suppression of transme...
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JP2016203079A |
To provide a water treatment method which enables formaldehyde to be efficiently removed from water containing the formaldehyde by efficiently reacting the formaldehyde with bisulfite ions.A water treatment method for removing formaldehy...
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JP2016198747A |
To provide a method for regenerating an ion exchange resin, the method not requiring the addition of a regenerant such as a sulfuric acid and sodium hydroxide and the method being useful for a paper mill.The present invention relates to:...
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JP6031795B2 |
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JP2016536125A |
The method including a process which makes a process and the next which it is the method of removing urea from water, and urea concentration under water supply is less than 1 ppm, and add nitrite ion in water pass water to strong cation ...
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JP6024131B2 |
[Problem] To provide an organic solvent dehydration device that achieves a continuous purification of an organic solvent, basically does not require the replacement of a dehydration material, and can highly efficiently and stably elimina...
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JP6015737B2 |
Provided is a method for operating a regenerative ion exchange device in which raw water is used for cleaning after regeneration of an ion exchange resin, and excellent post-regeneration water quality is obtained. In the ion exchange dev...
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JP6001399B2 |
To provide a desalination method in which a pair of electrodes and a bipolar membrane to be disposed between the pair of electrodes are used, a voltage is applied between the pair of electrodes so that the electrode of the side of a cati...
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JP5999400B1 |
[Subject] It is a compact size which has few installation areas and in which they live, and raw water throughput is large and it provides the device which can reproduce ion-exchange resin efficiently. [Means for Solution] It has an anion...
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JP6000045B2 |
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JP5995282B2 |
To provide a method for regenerating an amphoteric ion exchange resin, which can allow the amphoteric ion exchange resin to be used for treating the water exuding from a final disposal site even in a region where the quantity of water is...
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JP5983615B2 |
To provide a method for recovering an anionic fluorinated emulsifier, whereby an anionic fluorinated emulsifier adsorbed on a basic ion exchange resin can be simply and efficiently recovered. A mixed liquid of an aqueous inorganic acid s...
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JP5985415B2 |
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JP5986819B2 |
To provide a water treatment method and facility which can achieve a closed system of the facility performing water treatment using an ion exchange resin.A water treatment facility comprises: an ion exchange treatment tank 12 which remov...
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JP2016159263A |
To provide a water treatment apparatus capable of suppressing generation of scale by lowering the hardness and electric conductivity of water supplied into an electrochemical cell during regeneration of an ion exchange membrane.A water t...
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JP2016156839A |
To provide methods of the commercial-scale production of radium-223 having a purity acceptable for pharmaceutical administration to human subjects.The present invention provides a method for the generation ofRa of pharmaceutically tolera...
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JP2016153373A |
To provide a manufacturing method of a tetraalkylammonium salt solution by absorbing a tetraalkylammonium ion to a cation exchange resin from a solution containing the tetraalkylammonium ion such as an image development waste fluid and c...
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JP2016140466A |
To provide a dialysate solution regeneration method, a dialysate solution regeneration device, and a preliminarily adjusted cation exchange resin that, on the assumption that a used dialysate solution is caused to come into contact with ...
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JP2016120458A |
To increase a regeneration efficiency of a hydrogen type cation exchange resin when the hydrogen type cation exchange resin is regenerated by hydrogen ion-containing water generated by electrolysis of water.A method for regenerating a hy...
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JP5949060B2 |
To provide an ion exchange device capable of regenerating an ion exchanger in the optimal regenerating conditions, and an operation method of the same.Water to be treated is passed into an ion exchange device having an ion exchanger fill...
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JP5940011B2 |
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JP5942267B2 |
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JP2016112528A |
To provide a water softener, capable of preventing reduction of a salt dissolution rate in a salt water tank of the water softener, and reproducing the water softener by salt water having high concentration.The water softener is configur...
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JP2016518494A |
The present invention relates to the manufacturing process of the composite material containing the bulking agent which consists of a fluorination polymer matrix and ionic exchange inorganic matter particles, The method consists of a pro...
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JP2016517341A |
A composite material and the method of using it for chromatography are indicated. Under a corrosion condition (for example, NaOH of 1M over 24 hours), a composite material keeps performance characteristics, such as joint ability, Flux , ...
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JP5935079B2 |
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JP5929008B2 |
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JP2016097335A |
To provide a method and apparatus for regeneration and evaluation of an ion exchange resin that can easily regenerate the ion exchange resin and can easily evaluate the ion exchange performance of the regenerated ion exchange resin.A met...
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JP5919894B2 |
To provide a method of efficiently regenerating an anion exchange resin which is used for regenerating an amine liquid containing carbon dioxide, SOx, NOx and other acidic components, especially an amine liquid containing carbon dioxide ...
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JP2016077925A |
To provide a flow channel device which hardly causes damage to an objective substance to be concentrated or separated, and which can be continuously used for a long time.The problem is solved by providing a flow channel device which has ...
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JP2016059853A |
To provide a water treatment method and apparatus that perform water treatment using an ion exchange resin.A water treatment apparatus comprises: an ion exchange treatment tank 12 where raw water is brought into contact with an anion exc...
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JP5902824B2 |
A process for treating coking wastewater contains the steps of passing the coking wastewater in such an order through coagulation, particles removal, and ion-exchange resin.
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JP5900482B2 |
To provide a method and an apparatus for recovering water, in each of which waste water containing scale components, organic matter, inorganic ions or the like, particularly, the waste water such as human body excretion and domestic wast...
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JP5899401B2 |
To ensure safety of equipment and also improve speed of treatment with a low pressure drop, by softening water at a low power consumption and supplying the treated water not containing gas.A cation sintered porous body sheet 159 and anio...
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JP5895626B2 |
To provide a water treatment system capable of simplifying the system and suppressing an occurrence of scale to the utmost in a circulation system.A water treatment system includes: a hard water-softening device 143 producing a softened ...
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JP5895962B2 |
To provide a method for regenerating an ion exchange resin to be used for stably preparing ultrapure water having the boron concentration equal to or lower than 1 ng/L, and to provide an apparatus for preparing ultrapure water.The method...
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JP5893056B2 |
A method for treatment of raw brines from desalination plants (6) having a total salt content greater than 60 g/l, wherein, inter alia, a magnesium ion-containing solution having a magnesium ion content greater than 1 g/l at a temperatur...
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JP2016036805A |
To provide a regeneration method of a filter material.A regeneration method of a filter material having a silica substrate of chelating ability is characterized by including a step for washing the silica substrate with an amine-containin...
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JP5887279B2 |
[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...
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JP5882193B2 |
A process for the reactivation of an acidic ion exchange resin is described. The invention relates to the treatment of an at least partially deactivated resin which has been deactivated by contact with an impure ethylenically unsaturated...
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JP5878466B2 |
[Problems] To provide a calcium removal method capable of reducing operation cost. [Means for Solving Problems] A solution L2 containing potassium or/and sodium, and calcium is passed through an ion-exchange resin 35 to separate the solu...
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JP5875142B2 |
To provide calcium scale prevention apparatus and preventing method in which a pharmaceutical expense is reduced, and an operation cost is suppressed to be low.The calcium scale prevention apparatus includes: a filter 4 that filters a so...
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JP5870394B2 |
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JP5868421B2 |
Electrodeionization methods and apparatus wherein ion exchange membranes are not utilized. Instead, ion exchange materials such as beads, fibers, etc., are disposed in alternating layers of anion exchange (AIX) materials and cation excha...
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JP5862029B2 |
To provide an ion exchange apparatus, in the column body of which an anion exchange resin and a cation exchange resin can surely be prevented from being regenerated reversely and high-quality deionized water can be produced even immediat...
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