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JP6796948B2 |
To provide a water treatment method and system capable of drawing a nitrifying bacteria carrying carrier from a nitrification tank while sufficiently suppressing a decrease in nitrification efficiency.In a water treatment method, ammonia...
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JP6787357B2 |
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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JP6786308B2 |
To provide a method and an apparatus capable of accurately regenerating a cation exchange resin.When a cation exchange resin is regenerated which is used for removing metal ions by the cation exchange resin and captures the metal, a stro...
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JP2020179314A |
To provide a regenerant feeder with minimum impact from elution of metal components.A regenerant feeder 3 that feeds a regenerant for regenerating a cation-exchange resin to an ion exchange resin tower 2 filled with the cation-exchange r...
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JP6775667B2 |
A system for removing and concentrating per- and polyfluoroalkyl substances (PFAS), the system comprising:an anion exchange vessel including an anion exchange resin therein configured to remove PFAS;a line coupled to the anion exchange v...
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JP6777430B2 |
To provide a water treatment method which includes concentrating ammonia contained in water to be treated in a regeneration waste liquid of a cation exchange resin, and ammonia stripping the regeneration waste liquid, where an amount of ...
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JP6776926B2 |
To provide an ion exchange resin regeneration apparatus and method which prevent a cation exchange resin from being mixed into an anion exchange resin regeneration tower to prevent the reverse regeneration of the cation exchange resin an...
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JP6764686B2 |
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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JP6763521B2 |
To provide a method for preparing a lipid composition containing much 2-DHA-lysophospholipid, particularly, 2-DHA-lysophosphatidylcholine.There is provided a method for producing a 2-DHA-lysophosphatidylcholine-containing lipid compositi...
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JP6753384B2 |
To reduce adhesiveness of trace metal in super pure water for product cleaning and suppress metal pollution of an object for cleaning.There is provided a metal pollution prevention agent containing a polymer having an ion exchange group ...
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JP2020139713A |
To provide a humidifier capable of reducing labor and time of a user by simplifying regeneration processing of ion-exchange resin.A humidifier includes: an ion-exchange resin accommodation part 12 accommodating ion-exchange resin IR remo...
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JP2020138177A |
To provide a pure water generator capable of easily regenerating an ion exchange resin.There is provided a pure water generator, including: an ion exchange module that has a first ion exchanger containing a first ion exchange resin and a...
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JP6743468B2 |
To provide a regeneration liquid supply unit comprising a regeneration liquid tank capable of generating convection due to the concentration distribution of a regeneration liquid when the regeneration liquid is produced in a regeneration...
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JP6728905B2 |
To provide a method for purifying cobalt chloride solution without cadmium remaining in a cobalt chloride solution after adsorption treatment when zinc and cadmium in the cobalt chloride solution is absorption removed by contacting a wea...
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JP6722552B2 |
To provide a washing machine of a non-regeneration type ion exchange rein capable of increasing water quality in short time and reducing drainage volume without adjusting (reducing) production amount of ultrapure water, and an ultrapure ...
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JP6719292B2 |
To provide an evaluation method enabling a content of an organic matter in water, in particular, controversial humus and surfactants and the like in water in a water treatment system to be easily obtained in a short period of time, and a...
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JP2020082048A |
To provide a process using no organic solvent for refining nickel existing in a high-concentration hydrochloric acid solution in order to improve safety of an operator using the organic solvent and to reduce an environmental load althoug...
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JP6701915B2 |
To provide an ion exchange device for improving sealability between a raw material introducing port of a regeneration liquid tank and a lid member for closing the raw material introducing port.There is provided an ion exchange device whi...
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JP6701914B2 |
To provide an ion exchange device capable of preventing a raw material of a regeneration liquid from falling into a regeneration liquid tank, a pressure tank, a flow path control valve unit or a piping part and preventing a user from unn...
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JP6697205B2 |
The present invention relates to the field of heavy metal containing waste water treatment, particularly relates to the preparation, regeneration and application of a chelating microfiltration membrane. The main technical features of the...
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JP2020513302A |
In the present invention, the solution to be purified is ion-exchanged by suspending the ion exchange resin in the form of particles having a size of Dv50 of 200 μm or less in the solution to be purified in the next continuous step. Reg...
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JP6688570B2 |
To provide a water softening device in which the operation for regenerating a cation exchange resin is easy.Provided is a water softening device comprising: an ion exchange resin part having a cation exchange resin for softening water; a...
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JP6689849B2 |
The present invention provides a method for reducing the concentration of aluminum and nickel cations in a brine comprising aluminum and nickel cations. The treated brine can be used as a feedstock to membrane cell chlor-alkali process.
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JP6688571B2 |
To provide a softening device which can be easily operated for reproduction of a cation exchange resin.A softening device comprises: an ion exchange resin part for softening water; a tank; a water inlet part which is disposed on a downst...
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JP6682981B2 |
To provide a regeneration liquid supply unit which comprises a regeneration liquid tank having a high degree of freedom of shape and capable of easily placing a regeneration liquid plate in the regeneration liquid tank.There is provided ...
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JP6672979B2 |
To provide an ion exchange device capable of realizing a more compact outer shape by effectively utilizing the internal space of a housing.There is provided an ion exchange device 1 which comprises a pressure tank 2, a regeneration liqui...
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JP6672980B2 |
To provide an ion exchange device capable of reducing the number of drain pipes.There is provided an ion exchange device 1 which comprises a pressure tank 2, a regeneration liquid supply unit 4, a piping unit, a flow path control valve u...
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JP2020039992A |
To provide a water softener which prevents outflow of treated water containing salt water in an ion exchange resin filling tank and prevents shortage and insufficient regeneration of the salt water in regeneration operation, even when bl...
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JP2020040028A |
To provide a water softener which performs washing operation of washing an organic matter eluted from an ion exchange resin in a non water passage state at prescribed time everyday.A water softer 1 that passes treated water through an io...
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JP6662908B2 |
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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JP6662171B2 |
To provide an ion exchange apparatus that hardly suffers restrictions of an installation site space, can be fixed using an anchor member in many installation sites, and achieves enhancement of a fixing force by the anchor member.An ion e...
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JP6660017B2 |
To provide a regeneration liquid supply unit comprising a regeneration liquid tank which allows a raw material chemical agent to be easily placed on a regeneration liquid plate even in the vicinity of a regeneration liquid valve or an ov...
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JP6660007B2 |
To provide an ion exchange device capable of sufficiently reducing bacterial count in a pressure tank accommodating an ion exchange resin bed.There is provided an ion exchange device 1 having a pressure tank 2 accommodating an ion exchan...
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JP2020028872A |
To provide an ion exchange resin regeneration system that is excellent in maintainability and environmental friendliness.The ion exchange resin regeneration system includes salt water conducting means for conducting sodium chloride aqueo...
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JP2020025923A |
To prevent an ion exchange device from being damaged when an ion exchange resin is regenerated.The ion exchange device has a container, first and second piping, a nozzle and a joint. In the container, an ion exchange resin is accommodate...
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JP6646065B2 |
Acid hydrolysis of biomass is an important step for releasing the component sugars before converting them to fuels and/or biochemicals. During such a process, a significant amount of mineral acid, such as sulfuric acid, is used. In most ...
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JP6644805B2 |
The present invention addresses the problem of providing a method that further increases the phosphate-ion adsorption efficiency of an adsorbent that has an iron oxyhydroxide as a main component. According to this method, target anions a...
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JP2020021668A |
To provide an ion exchanger capable of evening a flow of cooling liquid in a cooling system of a fuel battery system.An ion exchanger 2, a liquid-gas separator 3, and a reserve tank 4 are integrally formed on an ion exchanger module 1. T...
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JP6642231B2 |
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JP2020001955A |
To develop a method capable of improving properties of removing coarse chloride containing an anionic metal chlorine complex to obtain the refined chloride having higher purity in a charged metal impurity.A method for producing a refined...
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JP2019535503A |
The present invention relates to the extraction of lithium from liquid resources such as natural and synthetic brine, inorganic and exudate solutions from recycled products using coated ion exchange particles containing ion exchange subs...
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JP6609736B2 |
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JP6612828B2 |
The present invention relates to quaternized diethylenetriamine-functionalized polyacrylate bead polymers, to a process for preparing same and to their use in the removal of oxoanions, particularly chromium (VI) oxoanions from aqueous- a...
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JP6601642B2 |
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JP2019188323A |
To provide a soft water supply facility which prevents a hardness leakage and which can reduce salt consumption by collecting water to a limit of an allowable water collection amount.In a soft water supply facility, two water softeners 1...
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JP2019178387A |
To provide an elution method for effectively eluting at least one of Sb and Bi from a chelate resin to which at least one of Sb and Bi is adsorbed.An elution method includes eluting at least one of adsorbed Sb and Bi by contacting an aci...
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JP2019173041A |
To provide: a method for refining copper, capable of reducing the content of nickel being an impurity when separating and refining the copper from the nickel to collect a refined solution including high purity copper; a chelating resin; ...
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JPWO2018092395A1 |
In the electrodeionizer 1, a plurality of cation exchange membranes 2 and anion exchange membranes 3 are alternately arranged at intervals, and ion exchange resins 4 are placed in a space formed by the cation exchange membrane 2 and the ...
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JP2019171293A |
To provide a pure water regeneration method and a pure water regeneration apparatus that improve a regeneration step to reduce an amount of pure water used in the regeneration step, thereby reducing the capacity of a pure water tank for ...
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JP2019163182A |
To provide a purified liquid with a high-purity zirconium that has a reduced content of titanium impurities in cases where zirconium is separated and purified from yttrium.A method for purifying zirconium according to the present inventi...
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