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JP2023142337A |
To provide a water softener capable of increasing a conductivity of water supplied to an electrolytic tank without adding chemicals and suppressing an increase in an applied voltage to an electrode.A water softener includes a water softe...
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JP7340795B1 |
[assignment]To provide a portable chrome plating solution purification device that does not require large-scale installation space or piping work, and can process a large amount of chrome plating solution. A portable refining apparatus 1...
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JP2023126107A |
To provide a water softening device capable of removing precipitates while preventing a decline in water softening performance and maintaining the quality of softened water for a long period of time.A water softening device includes a wa...
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JP2023110825A |
To provide a water softening device capable of more accurately calculating concentration of a hardness component from electric conductivity of softened water.A water softening device 1 includes a water softening tank 4, a neutralization ...
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JP2023110147A |
To provide a water softening device which discharges a hardness component in a device at an appropriate timing, and can shorten a time required for regeneration treatment of the water softening device.A water softening device 1 includes ...
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JP2023109499A |
To provide a method for operating an ion exchange system capable of appropriately regenerating ion exchange towers so that regeneration timings of the respective ion exchange towers do not overlap.There is provided a method for operating...
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JP2023530938A |
Ion-exchange membranes comprising porous polymeric membranes and imidazole ion-exchange groups on the surface of the membrane; ion-exchange membranes and filters comprising said ion-exchange membranes; and ion-exchange membranes and filt...
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JP2023100390A |
To provide a separation column of a mixed ion exchange resin which can separate the mixed ion exchange resin used in a mixed bed type ion exchanger or the like with accuracy.In a separation column 1 of a mixed ion exchange resin, a water...
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JP2023529444A |
The present invention relates to the recovery of lithium from liquid sources to yield a lithium solution while limiting impurity precipitation in the lithium solution. [Selection drawing] Fig. 1
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JP2023529407A |
A method for recovering lithium ions from lithium-containing brine includes contacting the lithium-containing brine with a lithium ion sieve (LIS includes oxides of titanium or niobium) in a first stirred reactor to produce lithium ion s...
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JP2023093807A |
To provide a water softener which suppresses catalyst degradation and is capable of maintaining an electrolytic performance for an extended period.A water softener 1 includes: a softening tank 3 for performing water softening treatment o...
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JP2023091796A |
To provide a water softening device capable of detecting a timing of polarity inversion operation and performing the polarity inversion operation at an appropriate timing.A water softening device 1 includes a water softening tank 3, a ne...
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JP2023091376A |
To provide a method of treating water containing Ca hardness, capable of downsizing a packed column while preventing a hardness component from leaking into treated water side.The method of treating water containing Ca hardness for removi...
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JP7294951B2 |
To provide a processing method of water to be treated, containing an iron carbonyl cyano-complex, which has been difficult to process in the conventional method, without mass use of a copper compound, to remove the iron carbonyl cyano-co...
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JP7289248B2 |
To provide a device and method for detecting impurities, capable of evaluating the amount of metal elution from an ion exchanger in a lower concentration region and detecting the amount of impurity elution from the ion exchanger.The devi...
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JP2023077744A |
To eliminate poor liquid conduction on regeneration processing of an ion exchange resin in a pure water production apparatus when humin is involved in raw water.In a regeneration process for a pure water production apparatus assembled wi...
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JP7285048B2 |
To provide a method for obtaining a composition containing hyaluronic acid oligosaccharide which can be applied to an industrial scale.A production method includes: (A) a process of applying a decomposed product of hyaluronic acid and/or...
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JP7276043B2 |
For recovering scandium from an acidic solution containing at least scandium and chromium via an ion-exchange treatment using a chelate resin, the present invention provides a method for efficiently concentrating the scandium while suppr...
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JP7276042B2 |
The present invention provides a method for recovering scandium from an acidic solution, which contains at least scandium, nickel and chromium, through an ion exchange treatment using a chelating resin, said method recovering high-purity...
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JP2023065741A |
To provide a water softener having a high hardness reducing ability and easily regenerating an ion exchange resin.A water softening device 1 includes a water softening tank 3, a neutralization tank 4, a branch section 9, and a circulatio...
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JP7272958B2 |
Provided is a collection of resin particles, wherein the resin particles comprise one or more polymers; wherein the polymer comprises methylene bridge groups between aromatic rings; wherein the polymer comprises a total amount of amino g...
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JP7272884B2 |
To provide a method and device for producing an ion exchange resin regenerant without using powder sodium chloride, and an ion exchange resin regeneration process and regeneration system.There is provided a regenerant production method f...
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JP2023064081A |
To solve the problem in which: a large amount of gold complex anions exist in a cleaning liquid after gold plating, and is adsorbed and recovered by a strongly basic ion exchange resin, but it is difficult to be desorbed, thus an ion exc...
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JP2023059066A |
To provide a purification method capable of providing acid solution with further reduced impurity concentration.A purified ion exchange resin is obtained by contacting an ion exchange resin to be purified with a mineral acid solution wit...
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JP7257908B2 |
To prevent blockage of a separation membrane caused by silica scale in a method for treating raw water containing both silica and aluminum by use of a membrane filtration apparatus having a reverse osmosis membrane or a separation membra...
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JP2023050355A |
To provide a water softening apparatus capable of suppressing extending a time required for regeneration processing of an ion exchange resin of the water softening apparatus.A water softening apparatus 1 comprises a water softening tank ...
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JP2023039238A |
To provide a novel production method of catalyst metal carrying resin which is capable of making a purification process efficient, and an ultrapure water production method using catalyst metal carrying resin produced by the method.A prod...
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JP2023037102A |
To provide a water softener which enables quick shift to water softening treatment from regeneration treatment, and efficient water softening.A water softener 1 includes: a plurality of water softening tanks 3 for softening raw water con...
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JP7237714B2 |
Provided is a water treatment apparatus that can reduce the amount of chemical solution addition. A water treatment apparatus is provided with a decarbonation apparatus, a first adjustment section, a first water softening apparatus, a se...
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JP2023034382A |
To provide a water softener which can suppress degradation in regeneration efficiency of other ion exchange resin generated by completion of regeneration processing of one ion exchange resin, in regeneration processing of a weakly acidic...
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JP7234104B2 |
To provide a high temperature water purification device and a high temperature water purification method that can stably purify ionic components such as sulfate ions existing in high-temperature treated water such as water in power plant...
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JP7232842B2 |
A process for recovery of lithium ions from a lithium-bearing brine includes contacting the lithium-bearing brine with a lithium ion sieve (where that LIS includes an oxide of titanium or niobium) in a first stirred reactor to form a lit...
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JP2023024975A |
To suppress dissolution and degradation of ion exchange particles used in the extraction of lithium from liquid resources such as natural and synthetic brines, leaching solutions from minerals and recycled products.A coated ion exchange ...
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JP2023023302A |
To provide a water softener capable of measuring hardness of soft water and performing regeneration of a cation-exchange resin at a proper timing.A water softener 1 is assembled with a water softening tank 3 for converting raw water to s...
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JP2023022540A |
To provide a cap capable of appropriately injecting a content contained in a container body into a device, a container equipped with the cap, a water softener, and a connection mechanism.A cap for connecting a device and a container body...
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JP2023022570A |
To provide a shower-type water softener capable of preventing corrosion of a shower hose metal fitting caused by a regeneration liquid splashed thereto during a regeneration operation.The shower-type water softener comprising a treatment...
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JP7219174B2 |
To provide a non-aqueous solvent purifying method that includes a pretreatment step of removing water from an ion exchange resin containing water by passing a non-aqueous solvent for dehydration treatment, the method being characterized ...
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JP7217590B2 |
To provide a pure water producing apparatus and a pure water producing method capable of grasping the internal state of an ion exchange column more accurately.A pure water producing apparatus for producing pure water using an ion exchang...
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JP2023015909A |
To provide a zirconium purification method capable of reducing an amount of use of an acid solution when eluting radioactive zirconium.A zirconium purification method comprises: an adsorption step for bringing a solution obtained by diss...
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JP7215094B2 |
To provide a regeneration device for ion exchange resins capable of reducing the turbulent flow of a back washing water in the vicinity of a resin separation boundary face to improve a resin separation precision.In an ion exchange resin ...
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JP7214427B2 |
To provide a refiner and a refining method of sugar solution capable of reducing cost of installation by reducing the amount of generated sweet water.There is provided a sugar solution refiner for refining sugar solution. The sugar solut...
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JP7214426B2 |
To provide a refiner and a refining method of sugar solution capable of improving a throughput, while maintaining a desalination performance of a mixed bed type system, and the amount of sweet water.There is provided a sugar solution ref...
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JP2023012610A |
To provide a method, in removing metals other than lithium in a lithium aqueous solution by using a strongly acidic cation exchange resin in a lithium-ion form, for efficiently regenerating the strongly acidic cation exchange resin havin...
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JP2023009492A |
To provide an adjustment method of a boron selective anion exchange resin capable of reducing a period of washing, after performing a regeneration process of an OH type boron selective anion exchange resin.There is provided an adjustment...
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JP2023009490A |
To provide an adjustment method of a weakly acidic cation exchange resin capable of reducing a washing period after performing a regeneration process of an H type weakly acidic cation exchange resin.There is provided an adjustment method...
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JP2023009491A |
To provide an adjustment method of a weakly basic anion exchange resin which can reduce a washing period after performing, a regeneration process of a FB Type weakly basic anion exchange resin.An adjustment method of an anion exchange re...
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JP7204682B2 |
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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JP2023003198A |
To integrate only a water flow rate being a load of an ion exchange resin to optimize a timing of ion exchange resin regeneration.An operational method for a water treatment system having an ion exchange resin apparatus for housing an io...
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JP2023002284A |
To provide an operation control method for solution purification apparatus that can determine when to regenerate or replace an ion-exchange resin in a solution purification apparatus using an ion-exchange resin.Provided is an operation c...
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JP2022554238A |
To reduce contamination of scandium oxide products, the present disclosure provides methods for removing at least one metal contaminant from scandium (Sc) concentrates. The method is based on contacting the Sc concentrate with an ion exc...
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