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JP5324746B2 |
To provide a production method of heavy metal-eliminated oil or fat by easily removing heavy metal from oil or fat dissolving a heavy metal. The heavy metal is eliminated by directly contacting heavy metal-dissolving oil or fat with a ch...
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JP5305165B2 |
To provide a method for preparing a hydrogen peroxide solution with high purity, whereby hydrophobic substances, i.e. hydrophobic organic substances and hydrophobic colloidal metal compounds contained in the hydrogen peroxide solution ca...
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JP2013537105A |
The present invention relates to a method of removing organic chemicals and organometallic complexes (organic heavy metal complexes) using zeolites from process water or tailings streams of a mineral processing plant where diethylenetria...
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JP2013188720A |
To reduce energy, cost and time required for regenerating acid for regenerating ion exchange resin.An ion exchange resin regenerating process for eliminating copper from ion exchange resin that adsorbs copper by acid containing copper at...
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JP5296781B2 |
A process for the removal and recovery of at least one heavy metal and at least one halogen from a liquid stream in a chemical process is disclosed. The process comprises the steps of contacting the liquid stream with a strong base anion...
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JP2013184076A |
To provide a regeneration method and regeneration apparatus of acid for the regeneration of ion exchange resin, which can, by recovering and regenerating the acid used for the regeneration of ion exchange resin, reduce the used amount of...
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JP2013158707A |
To reduce the used amount of acid to reproduce ion exchange resin.An ion exchange resin tower 2 filled inside with iminodiacetic acid type chelate resin 1 having adsorbed copper and a copper removing device 3 are connected by a pipe, and...
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JP5252653B2 |
Porous sintered body of polyolefin resin particles with absorbent functional groups bonded to the surface via graft polymer chains. Independent claims are also included for: (1) polyolefin resin particles in which absorbent functional gr...
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JP2013133506A |
To provide a method of regenerating etching solution including at least copper, one or more oxidizing agents and acids.After passing through a copper concentration measuring device 2 as a means for measuring the copper concentration, use...
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JP5189255B2 |
To provide a method for recovering iodine from waste fluids from a polarizing film production process which can easily and efficiently recover iodine and boron from waste fluids in a polarizing film production process. The waste fluid in...
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JP5189840B2 |
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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JP5182793B2 |
To provide a cartridge filter for liquid filtration which has both an ion removing capacity and a particle removing capacity, wherein a filtration performance and an ion exchange performance are balanced in a high level. The cartridge fi...
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JP2013061426A |
To provide an impurity removal method and an impurity removal filtration device capable of removing ionic impurity or metal impurity from a resin solution for forming a photoresist film with excellent removal efficiency.An impurity remov...
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JP5172026B1 |
To provide a treatment system for an aqueous mud substance capable of removing heavy metals from an aqueous mud substance containing heavy metals and recovering iron particles as an iron-based raw material. A water-based mud processing s...
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JP5172150B2 |
Process for the contemporaneous removal of inorganic acids and heavy metals present in solutions of H2O2 coming from direct synthesis starting from hydrogen and oxygen, fed to a reactor containing a palladium and platinum catalyst, in an...
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JP5158634B2 |
To provide a regeneration method effective for prolonging the lifetime of electroless nickel plating solution with impurity-metal ions being accumulated therein, and a method for collecting nickel ions from a waste solution generated by ...
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JP2013034940A |
To provide a method for removing the metal ions in a saturated brine and facilitating miniaturization of a device.In the method, the saturated brine containing the metal ions being impurities contacts a chelate-type ion exchange fiber. I...
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JP2013001640A |
To provide a method for producing purified 2-cyanoacrylic acid ester effectively removing acidic impurities by using a specific ion exchange resin.The method for producing purified 2-cyanoacrylic acid ester includes removing acidic impur...
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JP5107407B2 |
A material for purification of a semiconductor polishing slurry that without changing of pH value, is capable of efficiently purifying a polishing slurry to thereby not only prevent metal contamination of a polished object as effectively...
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JP2012250198A |
To provide a method for efficiently removing/adsorbing iodate ions in a solution.The method uses adsorbent to be a chelating ion exchange fiber body composed of polymer obtained by polymerizing monomer compositions containing acrylonitri...
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JP5096916B2 |
Process for the selective removal of Iridium carbonylation catalyst metal and/or at least one promoter selected from ruthenium, osmium and rhenium from a liquid composition comprising a carbonylation product, iridium carbonylation cataly...
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JP5082038B2 |
This invention relates to functional nonwoven filter media provided by radiation-induced graft copolymerization and its production method. Meltblown type of nonwoven (Meltblown) comprised of fine fibers, less than 8 micron in diameter, o...
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JP5049528B2 |
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JP5053587B2 |
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JP5047715B2 |
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JP5045916B2 |
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JP5045269B2 |
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JP5031334B2 |
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JP5026648B2 |
The invention is related to a method and an installation for removal of metal cations contained in a liquid, in which said liquid is brought into contact at a temperature greater than or equal to 60° C. with a chelating ion exchange res...
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JP5023809B2 |
To provide a method of electrolyzing a sodium chloride aqueous solution which is industrially advantageous by effectively using water used in a process. The method of electrolyzing the sodium chloride aqueous solution comprising a raw sa...
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JP5017801B2 |
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JP5015426B2 |
The present invention relates to a method of generating at least one polydentate metal chelating affinity ligand, which method comprises the step
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JP5002654B2 |
Material (I) comprises a polyazacycloalkane (II) grafted on polypropylene fibers. An independent claim is included for a preparation of the material constituted by a polyazacycloalkane grafted on the polypropylene fibers, comprising radi...
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JP4988694B2 |
The invention relates to a histidine-containing oligopeptide comprising an amino acid sequence selected from the group consisting of: HHHNSWDHDINR (SEQ. ID No. 1), HTNIHQDQHNHFHR (SEQ. ID No. 2), HAMLDRAHDHGTR (SEQ. ID No. 3), SLHEHHSGDN...
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JP4981671B2 |
There is provided in the present invention a material for transfer of a substance in a liquid, which can trap/remove an objective substance contained in drainage water, waste water or a liquid at a limited area, and also can readily retr...
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JP2012120983A |
To provide acrylic resin particles for an adsorbent having a large absorbed amount, a method for manufacturing the same, a column for water treatment, and a water treatment method.The resin particles have a mean diameter of 100 μm or mo...
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JP2012091112A |
To provide a magnetic chelating agent which can collect, remove, concentrate, and recover metal ions from industrial waste water, river water, and ground water simply, safely, and efficiently by using a magnetic separation technique, is ...
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JP4927670B2 |
To provide, for example, an etching waste liquid regenerating apparatus which can remove a Mo component and an Al component contained in a phosphoric acid-containing etching waste liquid to regenerate an etching waste liquid in a more co...
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JP2012082328A |
To provide magnetic beads serving as a precursor for manufacturing a magnetic chelating material which can collect, remove, concentrate, and recover metallic ions, can be easily manufactured, hardly causes environmental problems in manuf...
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JP4919447B2 |
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JP4905110B2 |
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JP4897170B2 |
Compositions and methods for selectively binding metal ions from source solutions are disclosed. The compositions include 1) polyamide-containing ligands covalently bonded to a particulate solid support, and 2) polyamide-containing polym...
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JP2012031449A |
To provide a method for rapidly adsorbing rhodium that is slow in complex forming reaction and therefore, is difficult to be extracted and adsorbed, from the leachate of a vehicular exhaust catalyst, chemical reaction catalyst or the lik...
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JP4877863B2 |
Disclosed is a method for rapidly separating radioactive copper from nickel that contains radioactive copper and radioactive cobalt, which comprises dissolving nickel that contains radioactive copper and radioactive cobalt in an acid sol...
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JP2012025995A |
To provide a recovery method for rare metals of a novel kind, which allows a specific metal component to be recovered with good selectivity from among rare metals, and which imposes little load on the environment.The selective recovery m...
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JP4868611B2 |
A method of preparing surface-imprinted microspheres having a core-shell form for selective separation of heavy metal ions, includes reacting a metal salt of a heavy metal with a monomer having at least one group that reacts with the met...
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JP2012017512A |
To provide a method for selectively recovering gallium from an acid aqueous solution containing various metals and gallium.By carrying out a contact treatment of an acid aqueous solution containing various metals and gallium, with a chel...
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JP2012016667A |
To provide a method of treating arsenic-containing solution such as industrial wastewater or environmental water and efficiently removing an arsenic concentration in the solution.In the method of removing arsenic for magnetically separat...
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JP2011254823A |
To provide a new immobilized metal ion affinity chromatography system.A polymer substrate functionalized with a functional group including at least one cyclic, metal ion-coordinating ligand group is provided; wherein the ligand group con...
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JP2011240287A |
To provide a solid chelating agent capable of selectively recovering cobalt ions from the mixture of similar transition metal elements such as cobalt, manganese and nickel, to provide a method of manufacturing the same, and to provide a ...
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