Abstract：With the scarcity and importance of rare metal resources becoming increasingly prominent, the recovery of rare metal from secondary resources has attracted extensive attention from scholars at home and abroad, especially the recovery and utilization of rhenium has be-come a hot research topic. This paper briefly introduces the nature and application of rhenium and the main forms of rhenium alloy scrap, and summarizes the process of recovering rhenium from rhenium-containing alloy scrap, including pyrometallurgical process, hydro-metallurgical process, electrochemical metallurgy process and pyro-hydrometallurgy process, etc. The recovery rates, purity, advantages and disadvantages, and application range of different processes are analyzed, and the development direction of rhenium recovery pro-cess from rhenium-containing alloy scrap is proposed.
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2020, Vol. 27 