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JP5520007B2 |
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JP2014087769A |
To provide a water softener capable of properly detecting a remaining amount of a regenerant without trouble such as instability of support for a regenerant tank.A water softener comprises: a regenerant tank 3 for storing a regenerant 9 ...
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JP2014083533A |
To provide a water softener free of deviation of degradation depending on position arrangement of a cation exchange resin installed in a softening tank.A plurality of softening tanks 2 containing a softening agent are connected in series...
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JP2014083532A |
To provide a water softening apparatus capable of executing a stable regenerating treatment by fixing the flow rate, per unit time, of recycled water fed into a water softening treatment tank.At the time of implementing a regenerating tr...
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JP5483431B2 |
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JP5483958B2 |
To provide a method by which tetraalkylammonium hydroxide (TAAH) can efficiently be produced even without carrying out electrodialysis or electrolysis, in particular, easy production can be performed with simple equipment using, e.g. a p...
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JP2014076428A |
To provide a water purifier in which maintenance costs are extremely lowered compared with a conventional one and the replacement time of an RO membrane element is once every four years to seven years, and the reliability of the apparatu...
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JP2014076411A |
To provide a water softening apparatus in need of periodical regeneration, preventing the halt in softened water supply due to no power supply in a regeneration time zone.The water softening apparatus which conducts raw water into a resi...
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JP5475677B2 |
A Chelating agent comprising a polymer backbone. The polymer backbone has a plurality of carbon atoms. There are two carboxylate groups or carboxylic acid groups per repeating unit being coupled to separate carbon atoms of the backbone.
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JP5463928B2 |
To provide a water treatment system allowing simplification of the system and a reduction in running cost. The water treatment system includes: a first flow line L1 for allowing ground water W1 to flow in an anaerobic condition; a cation...
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JP5463877B2 |
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JP5468945B2 |
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JP5455545B2 |
Disclosed is a novel adsorbent having high boron adsorption capacity and having resistance against an alkali and an acid. Specifically disclosed is a boron adsorbent represented by general formula (1) (wherein R1 represents a hydrogen at...
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JP5443872B2 |
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JP5444244B2 |
Two different conversion modes are used for determining the water hardness from the conductivity of raw water in a water softening device dividing an influent raw water volume flow into two partial volume flows and subjecting a partial v...
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JP5445212B2 |
To provide a method for removing an amino acid-iron complex salt from an amine fluid which can effectively remove an amino-iron complex salt from the amine fluid including the amino acid-iron complex salt by a simply device and operation...
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JP5440137B2 |
To provide a method in which palladium can selectively be separated from chloride solution containing arsenic and the palladium at a low cost, and even in the case that the arsenic concentration varies, the palladium can stably and effic...
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JP5434188B2 |
To efficiently recover metal ions, phosphinic acid ions and monovalent complexing agent ions and to efficiently separate phosphorous acid ions and impurity metal ions existing in plating liquid. A method of regenerating electroless plati...
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JP5433001B2 |
A control unit for a softening device, comprising a primary inlet for untreated water, a primary outlet for blended water, a sensor for determining the water hardness of the untreated water WHraw, or the blended water WHblend, a secondar...
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JP5433389B2 |
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JP2014036924A |
To provide a method for purifying an anion exchange resin so as to obtain an anion exchange resin whose eluted metal contents and eluted organic matter contents are both mitigated.An acid treatment step of permeating a mineral acid solut...
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JP5429658B2 |
To provide a method and an apparatus for lithium isotope separation and condensation as well as a separation film and a system for lithium isotope separation. A lithium ion selective permeation membrane which is a porous body impregnated...
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JP5424920B2 |
To provide a filtration desalting device which suppresses the height thereof while securing sufficient treatment capacity and excellent maintainability. The filtration desalting device 10 includes an outside container 20 which has an int...
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JP2014503495A |
Disclosed is a method for enhancing or increasing the concentration of biological product in a final mixture, wherein said biological product has one or more selected characteristics, wherein said method comprises: (a) allowing an initia...
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JP5416384B2 |
To provide a method for cleaning an electroless nickel plating waste liquid and a method for recovering nickel and a phosphate and recycling them using simple apparatus by a low-cost and effective process by eliminating a problem in the ...
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JP5407801B2 |
To provide a method of forming a layer of an ion exchange resin by accurately filling a container with a specified amount of an ion exchange resin in a short time using a simple mechanism and a simple operation, capable of preventing hig...
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JP5405291B2 |
Disclosed herein is an apparatus and method of producing regenerative water. The apparatus includes a main body, a basket, a regenerative substance block and an on/off valve. The main body has a water inlet port through which raw water i...
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JP5400845B2 |
To raise a boron concentration in a boron-containing eluent eluted from an adsorbent and efficiently remove boron from boron-containing water without condensing the eluent and recover boron in a form of boric acid crystal.In a container ...
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JP5402034B2 |
To provide a method for manufacturing pure water which uses a pure water manufacturing apparatus including at least an anion exchange tower where a strongly basic anion exchange resin is charged or a mixed bed tower where the strongly ba...
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JP5392448B2 |
To provide an operation method of an electric demineralizer, which prevents high concentration ions remaining in a concentration chamber from diffusing and flowing back into a treatment chamber and prevents the deterioration of treating ...
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JP5397842B1 |
There is provided a flow passage control valve provided with a plurality of valves in a valve housing formed with set flow passages. A camshaft for operating each of the valves is provided along a right and left direction at the upper pa...
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JP5380215B2 |
To provide a condensate demineralizer system which achieves the long-term and stable obtention of a high-purity quality of treated water that has a low sulfate ion content deriving from organic impurities eluted from cation exchange resi...
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JP5375850B2 |
To provide an ion exchange device capable of efficiently discharging a stagnant water and of obtaining a high-quality treatment water in a range of practical water collection amount. The ion exchange device includes: a pressure tank 2 ho...
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JP5379333B2 |
Disclosed is a method for extracting gallium from fly ash, which comprises the following steps: crushing the fly ash and removing Fe by magnetic separation; then dissolving it by using hydrochloride acid (2) to obtain hydrochloric acid l...
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JP5379332B2 |
Disclosed is a method for extracting gallium from fly ash, which comprises the following steps: crushing the fly ash and removing Fe by magnetic separation; then dissolving it by using hydrochloride acid to obtain hydrochloric acid leach...
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JP5375842B2 |
To provide an ion exchanger that suppresses fluctuations both in water head difference and in liquid permeating resistance during regeneration and extrusion processes.The ion exchanger includes a pressure tank 2; a liquid tank 4 (6) for ...
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JP5375851B2 |
To provide an ion exchange device minimizing the width of variation in the linear velocity of a regenerative liquid and/or water circulating an ion exchange resin bed in a regeneration process and/or extruding process. The ion exchange d...
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JP5377551B2 |
The present embodiment relates to a method for recovering a boron adsorbent, including: preparing water having an electric resistivity of 0.01 MΩ·cm or more and kept at a temperature within a temperature range; and contacting the water...
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JP5369932B2 |
To provide a valve having a simple and compact configuration and capable of easily responding to change in a treatment flow. A valve casing 2 has an annular hollow part 6 between an inner cylinder 4 and an outer cylinder 5 surrounding th...
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JP5373067B2 |
Provided is a method for recovering high-concentration and high-purity amine from amine-containing waste water generated from nuclear power plants and thermal power plants. The method includes: capturing amine and concentrating waste wat...
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JP5366253B2 |
To provide a spring water treatment method in which spring water generated in an underground closed space is treated so that waste water standards and effluent standards are satisfied and the scale is prevented from being deposited/grown...
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JP2013244482A |
To provide a method for treating hydrofluoric acid waste liquid that can efficiently separate hydrofluoric acid and hexafluorosilicate using an electric deionizer.A method for treating hydrofluoric acid waste liquid using an electric dei...
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JP5360764B2 |
To simultaneously recover ammonia and phosphorus components as MAP from water to be treated which water contains the ammonia and phosphorus components. The method includes the steps of: (1) adsorbing the ammonia component by bringing the...
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JP2013233531A |
To provide good treated water quality with a simple structure, in power generation facilities such as a nuclear power plant and a thermal power plant.A condensate desalination device 41 has a condensate desalination tower 1 filled with a...
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JP5344934B2 |
A process for the removal of an amine capturable gas from a feed gas stream using an amine solvent, the process comprises (a) contacting the feed gas stream with a lean amine solvent to form a rich amine solvent, wherein heat stable salt...
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JP5333486B2 |
To provide a water treatment method in which a high salt removal rate and a large amount of permeated water can be kept even when hard water having very poor quality is treated.The water treatment method includes: a softening process for...
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JP5333487B2 |
To provide a water treatment method of maintaining a high salt removal rate and a water permeate flow even in the case of hard water whose water quality is poor.This water treatment method has a deionization step to be executed by revers...
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JP5326947B2 |
To provide a method and an apparatus for conditioning an ion exchange resin, in each of which the ion exchange resin can be cleaned or purified efficiently. The bottom 1a of a column body 1 is formed into a panel-like shape expanded down...
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JP5327236B2 |
To provide an ion exchange apparatus which suppresses a regeneration level to low, obtains a treated water of high purity by a range of a practicable obtaining amount, and can control that impurities of a crushed ion exchange resin or th...
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JP2013215679A |
To provide an ultrapure water production apparatus capable of suppressing a fluctuation of use amount at a use point and fluctuation of a flow rate of ultrapure water to be produced while stably maintaining an extra-high water quality ev...
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