Method for recovering ruthenium

Disclosed is a method for recovering ruthenium from a solid, wherein a ruthenium compound is supported by a carrier, with good recovery yield. Specifically disclosed is a method for recovering ruthenium, which is characterized by comprising the following steps (1)-(3). Step (1): a step for bringing...

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Hauptverfasser: MARUKO TOMOHIRO, SEKI KOHEI, HIRAI YOSHINARI
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creator MARUKO TOMOHIRO
SEKI KOHEI
HIRAI YOSHINARI
description Disclosed is a method for recovering ruthenium from a solid, wherein a ruthenium compound is supported by a carrier, with good recovery yield. Specifically disclosed is a method for recovering ruthenium, which is characterized by comprising the following steps (1)-(3). Step (1): a step for bringing a solid, wherein a ruthenium compound is supported by a carrier, into contact with a reducing gas, thereby reducing the ruthenium compound Step (2): a step for cooling the solid obtained in the step (1) to 250 DEG C or less in a non-oxidizing gas atmosphere Step (3): a step for mixing the solid obtained in the step (2) with an oxidizing solution, thereby dissolving ruthenium into the solution.
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Specifically disclosed is a method for recovering ruthenium, which is characterized by comprising the following steps (1)-(3). 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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS
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
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
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
title Method for recovering ruthenium
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