Method for separating rhodium and iridium in solution

Method for separating rhodium and iridium in solution

The invention discloses a method for separating rhodium and iridium in a solution, the method adopts a mixed precipitator prepared from 2-dimethylaminochloropropane and hydrochloric acid to selectively and efficiently precipitate rhodium from the solution to obtain pure rhodium salt and iridium solu...

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Hauptverfasser: YANG WANHU, HAN BIN, ZHANG YAN, YANG XIAOZHEN, PAN CONGMING, GAO XIANGQIAN
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator YANG WANHU
HAN BIN
ZHANG YAN
YANG XIAOZHEN
PAN CONGMING
GAO XIANGQIAN
description The invention discloses a method for separating rhodium and iridium in a solution, the method adopts a mixed precipitator prepared from 2-dimethylaminochloropropane and hydrochloric acid to selectively and efficiently precipitate rhodium from the solution to obtain pure rhodium salt and iridium solution, the rhodium and iridium separation efficiency can reach 99% or above, the rhodium and iridium separation efficiency is improved, and the method is suitable for industrial production. The subsequent refining process is shortened, the comprehensive yield index of rhodium and iridium is improved, the efficient utilization of resources is guaranteed, the production cost is saved, and the problems of long rhodium and iridium extraction period and low yield are solved. The method can be applied to a high-efficiency extraction process of rhodium in a rhodium-containing solution in a precious metal hydrometallurgy process, and can also be applied to high-efficiency removal of trace rhodium in an iridium-containing so
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title Method for separating rhodium and iridium in solution
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