Recovery of Rhenium from Tungsten-rhenium Alloy PDF Download
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Book Description
Rhenium is recovered from an alloy containing that metal and either one or both of the metals molybdenum and tungsten by the following steps: (1) heating the alloy in the presence of O2 to remove the Re from the alloy as gaseous Re2O--; (2) condensing the gaseous Re2O--; (3) dissolving the obtained solid Re2O-- in H2O; (4) treating the solution of Re2O-- and H2O with KCl to form KReO4; and (5) heating the KReO4 in the presence of H2 to form Re.