NOBLE METAL ADSORBENT, AND RECOVERY METHOD OF NOBLE METAL

PROBLEM TO BE SOLVED: To provide a noble metal adsorbent and a recovery method of a noble metal, which can separate and recover a specific kind of a noble metal from other noble metals and base metals.SOLUTION: The noble metal adsorbent is prepared by chemically modifying algae, residues thereof, or...

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Hauptverfasser: FUKUDA HIROAKI, KAWAKITA HIDETAKA, KURATA MINORU, INOUE KATSUTOSHI, KHUNATHAI KANJANA, OWATARI KEISUKE, ATSUMI KINYA
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creator FUKUDA HIROAKI
KAWAKITA HIDETAKA
KURATA MINORU
INOUE KATSUTOSHI
KHUNATHAI KANJANA
OWATARI KEISUKE
ATSUMI KINYA
description PROBLEM TO BE SOLVED: To provide a noble metal adsorbent and a recovery method of a noble metal, which can separate and recover a specific kind of a noble metal from other noble metals and base metals.SOLUTION: The noble metal adsorbent is prepared by chemically modifying algae, residues thereof, or strong acid-treated substances thereof with a functional group containing a nitrogen atom and/or a sulfur atom. The functional group includes, for example, dithiooxamide or a polyethyleneimine. The noble metal adsorbent has an application to adsorption of platinum or palladium. A noble metal dissolved in a solution is made to be adsorbed by a noble metal adsorbent described in claim 1, 2 or 3 to thereby recover the noble metal.
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subjects BEER
BIOCHEMISTRY
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
FERROUS OR NON-FERROUS ALLOYS
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
VINEGAR
WINE
title NOBLE METAL ADSORBENT, AND RECOVERY METHOD OF NOBLE METAL
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