,An innovative technique for recycling dissipated metal rhenium from the waste acid in copper smelti

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1.Objective Rhenium is a dissipated metal with the second highest melting point of 3180℃ in periodic table.In the aerospace field, rhenium plays an indispensable role in the nickel superalloys for the production of aircraft engine and turbine engine.Since very few amount of rhenium resource is existed as independent ore deposit, most rhenium resource is distributed within the porphyry copper and molybdenite ores,consequently rhenium is often recovered as a by-product from the waste acid in copper smelting process.In this paper, an innovative technique with low cost, high recovery rate and non-pollution for recycling dissipated metal rhenium from the waste acid in copper smelting process is introduced (Zhang B et al., 2017;Liu HZ et al., 2018).
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