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JPH0368046B2 |
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JPH03504099A |
Compositions comprising carbon-based supports and containing heteropolycyclic compounds such as bipyridyl, phenanthroline or derivatives thereof are used in separation of dissolved late transition metals such as Fe, Co, Ni and Cu from so...
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JPH0356783B2 |
A spherical ion exchange resin composed of a phenolic resin and a metal hydroxide is disclosed. The metal hydroxide is enclosed and bound with the phenolic resin. A method for producing such an ion exchange resin and a method for selecti...
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JPH03190827A |
PURPOSE: To obtain an optical isomer separating agent having good reappearance and excellent separation ability by fixing a chemically active peptide having a carboxylic group at one end and having a primary or secondary amino group at t...
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JPH03188048A |
NEW MATERIAL: Compounds of formula I [R1, R2 and R5 are each H, alkyl; R3 and R4 are each H, alkyl, aminoalkyl, carboxymethyl, alkoxycarbonylbenzyl, etc.; R6 is alkylene; R7 and R8 are each H, alkyl; B and B' are each phenyl substituted ...
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JPH03186351A |
PURPOSE: To regenerate a chelate resin within an extremely short time in an extremely economical manner by using alkali metal carbonate when the chelate resin used in the treatment of boron-containing water is regenerated. CONSTITUTION: ...
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JPH0349615B2 |
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JPH03146507A |
PURPOSE:To obtain the subject resin without increasing column pressure and deteriorating column performance by slurrying a substrate polymer gel having pores with a small inside diameter in a solution, forming a hydrophilic polymer layer...
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JPH03146506A |
PURPOSE:To obtain the subject resin usable at a high flow rate with longevity without deteriorating column performance by slurrying a hydrophilic cellular polymer gel, forming an anionic surface binding polymer layer, washing the resulta...
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JPH03140353A |
PURPOSE:To obtain a molded article of fluorine resin useful in fields of water treatment or purification of drug, etc., having excellent heat resistance, chemical resistance, shape-enduing property, ion-exchange property, adsorbing prope...
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JPH0338896B2 |
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JPH0337976B2 |
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JPH0310375B2 |
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JPH0310378B2 |
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JPH02504526A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH0259147B2 |
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JPH02271916A |
PURPOSE: To extraction Ga ions with high efficiency without changing the qualities of the source solution by extracting Ga ions from a basic solution with an org. solvent containing a specified extractor and a specified extraction accele...
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JPH0243686B2 |
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JPH02241548A |
PURPOSE: To obtain a resin having sufficient resistance even in a strong acidic solution by forming the magnetic material of a chelating ion exchange resin from strontium ferrite or barium ferrite. CONSTITUTION: Phenols having a chelatin...
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JPH0240613B2 |
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JPH0239452B2 |
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JPH0236606B2 |
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JPH0236530B2 |
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JPH02139091A |
PURPOSE: To remove heavy metals from an aq. solution by fixing polypeptides on an inert material and allowing it to contact with the aq. solution containing the heavy metals. CONSTITUTION: The heavy metals are removed from the aq. soluti...
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JPH0222699B2 |
Heavy metals can be fixed to solid carriers to which an a-amino- or an a-iminohydroxamate ligand has been covalently bound. The ligand can have the structural formulawherein R1 and R2 represent H or an alkyl, or may be a compound of two ...
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JPH0218135B2 |
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JPH0217534B2 |
The invention pertains to anthraquinone derivatives of the following general formula: the tautomeric forms and the pharmacologically acceptable acid-addition salts thereof, wherein A-B is selected from CH-CH and CH2-CH2; Q is a divalent ...
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JPH0299189A |
PURPOSE: To efficiently remove borofluoride, fluoride ion, etc., in waste water by combining amino polyalcohol type chelate adsorbents with selective adsorbents of fluoride ions and adding them to the waste water. CONSTITUTION: Amino pol...
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JPH0210766B2 |
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JPH027325B2 |
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JPH024340B2 |
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JPH0222287A |
NEW MATERIAL: Lignin containing at least 7% by wt. of a lignin substance of N and at least 3.1% of S and containing a waterinsoluble lignin substance having an IR absorption band having peak width of at least 60 cm-1 in the vicinity of 1...
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JPH022874A |
PURPOSE: To improve the metal cation selective separability of a separating agent by embedding a nonionic and non-polymeric metal cation complexing agent into a hydrophilic gel or dispersing the agent into a continuous aq. phase envelopi...
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JPH0160073B2 |
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JPH0158184B2 |
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JPH01298200A |
PURPOSE:To effectively remove impurity metal ions in a spent Ni plating soln. by bringing the soln. of a specified pH into contact with a chelate resin based on a divinylbenzene copolymer, etc., and having amino acid groups, etc., as fun...
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JPH01293138A |
PURPOSE: To obtain an adsorbent having high selectivity to ions of rare earth elements and high adsorption capacity by using porous resin having dihydroxyphosphino groups and/or phosphono groups. CONSTITUTION: A porous polymer having aro...
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JPH0154094B2 |
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JPH01152728U |
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JPH0144390B2 |
Contaminant components in waste water are complexed with a chelating agent and the complexed component is gelled with a polyurethane prepolymer to provide a gelled mass.
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JPH0143590B2 |
A novel method is disclosed which enables gallium and/or indium to be selectively separated and concentrated from a solution containing them in very low concentrations together with many other metal ions in rather high concentrations. Th...
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JPH0140868B2 |
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JPH0140675B2 |
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JPH01215348A |
PURPOSE: To improve the workability of a cation exchanger and to increase the ion selectivity by forming the cation exchanger with a sulfonated polymer of a polysulfone polymer contg. at least one -SH group in 1mol. or a cured body there...
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JPH01215726A |
PURPOSE: To recover ruthenium while decreasing the influence of coexisting ions and lowering the equilibrium adsorption concentration, by contacting a ruthenium-containing solution with a chelate resin having functional group having a sp...
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JPH01153509A |
PURPOSE:To safely obtain high-purity hydrogen peroxide at a low cost by bringing hydrogen peroxide into contact with an anion exchange resin adsorbing a chelating agent and removing contained impurities. CONSTITUTION:Hydrogen peroxide, p...
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JPH01133920A |
PURPOSE: To make it possible to selectively recover Sc in the presence of a large amt. of other ions, by dissolving Sc in a W ore residue with a reducing agent-contg. soln. and forming the settled Sc component in an eluate by way of spec...
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JPH01111712A |
PURPOSE: To reduce an Al concn. and to remove simultaneously an alkaline earth metal in an alkali metal halide brine by allowing the brine to contact with an ion exchange resin having a sulfonic acid group after adjusting the pH of the b...
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JPH01108118A |
PURPOSE: To effect the separation and recovery of Sc in high efficiency, by treating a solution containing a slight amount of Sc with an ether, containing with a specific chelate resin and eluting adsorbed Sc from the resin. CONSTITUTION...
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JPH0117412B2 |
PURPOSE:To obtain an adsorbent comprising a crosslinked high-molecular polymer having a high intermolecular complex forming component capable of adsorbing and separating a wide range of substances, having adsorbing capacity especially ex...
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