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JP6060448B2 |
Disclosed are copolymers which are useful in hydrophilically modifying porous fluoropolymer supports. An example of the copolymers is: Also disclosed are a method of preparing such copolymers, a method of modifying porous fluoropolymer s...
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JP2017001029A |
To provide a multilayer separation film that is high in the ability to remove underwater suspended components and the ability to adsorb and remove metal ions and has high strength.A multilayer separation film at least has a porous adsorp...
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JP6053724B2 |
Provided is a system for efficiently recovering trace metal from a large amount of a raw material, such as when trace metal is recovered from nickel oxide ore. This ion exchange resin has, on a carrier, an amide derivative represented by...
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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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JP6009218B2 |
Methods of purifying acidic metal solutions by removing at least a portion of alpha-particle emitting materials are provided. The purified metal solutions are useful in a variety of applications requiring low levels of alpha-particle emi...
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JP2016530271A |
The present invention provides a novel method for disrupting cells and a novel method for releasing biomolecules from cells. The present invention includes the use of positively charged microparticles and / or negatively charged micropar...
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JP2016156797A |
To provide a method for removing radioactive strontium, without involving generation of a large amount of sludge and reduction of an adsorption capacity, from sea water or a fluid derived from sea water.The method according to the presen...
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JP2016141738A |
To provide a weakly basic gel-type water-treatment resin that can efficiently treat water containing boric acid.The water-treatment resin is an N-alkyl(C1 to C4)glucamine group-containing gel-type water-treatment resin having a water con...
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JP2016133501A |
To provide a removal method for radioactive ruthenium, which is difficult to remove because it has a complex chemical form in aqueous solution.Contaminated water containing radioactive ruthenium is controlled in salt concentration from s...
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JP5951291B2 |
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JP5934995B2 |
A method for the cleanup of ionic species such as cobalt and nickel in nuclear power plant aqueous streams using a sequestration resin material is disclosed herein. The method includes the steps of providing a sequestration resin for rem...
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JP2016075699A |
To provide an organic synthesis method of material for removing low molecular weight ionic species, such as transition metal ions including cobalt, iron, nickel, and zinc, from aqueous solution.The synthesis method includes the steps of:...
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JP2016075654A |
To provide removal material for removing radioactive ruthenium from radioactive waste liquid.Radioactive ruthenium removal material is obtained by introducing an alkylamine compound in a side chain of polymeric base material.SELECTED DRA...
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JP2016055396A |
To provide a wire electric discharge machining method enabling a long time stable wire electric discharge machining, a device to perform the method, and a means to prevent formation of verdigris, which may cause process trouble.A wire el...
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JP5896486B2 |
Provided are a metal adsorbent having a nonwoven fabric form, for use in adsorption and recovery of metals in solution, wherein the metal adsorbent having a nonwoven fabric form is produced by passing through: a) a step for preparing a p...
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JP5893458B2 |
There is provided a process for removing metal from solution wherein a solution comprising a metal is contacted with a scavenger support, whereby the scavenger support binds to at least some of the metal in solution thereby decreasing th...
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JP5822253B2 |
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JP5804461B2 |
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JP5797766B2 |
In a process for forming a bulk hydroprocessing catalyst by sulfiding a catalyst precursor made in a co-precipitation reaction, up to 60% of the metal precursor feeds end up in the supernatant. The metals can be recovered via any of chem...
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JP2015525669A |
The present invention is a cartridge 1 in which drinking water is treated with an ion exchange material 4, silver is added to the ion exchange material 4, and a means 6 for removing silver ions is arranged at the outlet of the cartridge....
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JP2015114315A |
To provide a method capable of removing radioactive strontium from seawater or liquid derived from seawater.A functional group selected from an ion exchange group, a chelate group, and a hydrophilic group is introduced into fibers by the...
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JP5713288B2 |
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JP5711510B2 |
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JP2014208333A |
To provide a method of producing a metal scavenger which can exhibit scavenging performance for various metals including light metal.This invention provides a method of producing a metal scavenger including oxidized lignin, the method in...
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JP5604527B2 |
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JP5600541B2 |
Preparing monodispersed ion exchanger (having chelating [(benzyl-phosphonomethyl-amino)-methyl]-phosphonic acid functional groups (I)) comprises: (a) converting monomer droplets of e.g. at least one monovinyl aromatic compounds, at least...
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JP5600540B2 |
Preparing monodispersed ion exchanger (having chelating (benzyl-carboxymethyl-amino)-acetic acid functional groups (I)) comprises: (a) converting monomer droplets of e.g. at least one monovinyl aromatic compounds, at least one polyvinyla...
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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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JP5590594B2 |
A metal adsorbent which can adsorb a wide variety of metals, can conform to various uses, and adsorbs metals in large amounts . Metal adsorbents in various forms, which have the property of highly efficiently adsorbing metals, are produc...
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JP5570458B2 |
The simultaneous precipitation of soluble heavy metal ions from semiconductor wastewater containing abrasive solids and enhancement of microfilter operation is achieved through the addition of an effective amount of a water-soluble polym...
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JP5565377B2 |
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JP5563881B2 |
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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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JP5503850B2 |
The functional groups are amino-methyl and/or amino-methylnitrogen heterocyclic groups. They are made using the phthalimide method, avoiding a halo-alkylated intermediate stage. During conversion with a halo-methyl nitrogen heterocyclic,...
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JP5483431B2 |
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JP2014069142A |
To provide a fiber composite useful for adsorbing and removing various chemical materials existing in a liquid such as water and a gas such as air.A fiber composite includes ion exchange fibers, and the ion exchange fiber includes: a pol...
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JP2014509349A |
The present invention refers to a direct purification process of a nickel laterite leaching effluent including adjusting a pH of a leaching solution, employing an ion exchange resin to adsorb nickel and copper selectively over ferric or ...
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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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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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JP5439691B2 |
To provide a collecting agent (chelate resin) capable of efficiently and selectively collecting high valent metal ions having ≥3 valency included in a medium under an acidic condition. The high valent metal ions included in a medium ca...
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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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JP5435416B2 |
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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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JP5412115B2 |
A chelate complex is removed from a chemical which is used in a semiconductor production process and contains a compound having a chelating ability, and the cleaning load is also reduced. Specifically disclosed is a method for purifying ...
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JP2014024053A |
To provide processing methods and devices for efficiently liquating out heavy metal from shellfish internal organs in a short time by using a mild treatment condition, without making small fragments out of the organs, and for efficiently...
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JP5403467B2 |
Filter media for liquid purification, which can remove metal compounds or metal ions containing in polishing or washing liquids such as alkali, acid solution or ultra-pure water used for silicon wafers of semiconductors. Removal of metal...
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JP5376627B2 |
A photoresponsive copper ion adsorbent material containing a copolymer which is obtained by copolymerization of a monomer component containing both a photoresponsive compound exhibiting reversible metal ion adsorption-desorption transiti...
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JP5376130B2 |
To provide a177Lu-antibody having a high labeling rate by separating/purifying a no-carrier-added177Lu not containing Ca, Fe, Zn. The method of separating/purifying177Lu includes the step of irradiating176Yb2O3with a nuclear reactor to o...
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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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JP5369440B2 |
To provide a method for producing a high purity alkali metal carbonate aqueous solution where a coarse alkali metal carbonate aqueous solution can be refined by removing a heavy metal contained in the coarse alkali metal carbonate aqueou...
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