| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for efficiently separating Te from a hydrochloric acid solution containing Rh and a small amount of Te. <P>SOLUTION: In the method for removing Te from a hydrochloric acid solution containing Rh and a small amount of Te, in a step of crystallizing the Rh as (NH<SB>4</SB>)<SB>3</SB>RhCl<SB>6</SB>with ammonium chloride from the hydrochloric acid solution, alcohol is added to the solution before crystallization to precipitate the mixture of (NH<SB>4</SB>)<SB>3</SB>RhCl<SB>6</SB>and Te, this mixture is obtained by filtration and repulped with deionized water, whereby the (NH<SB>4</SB>)<SB>3</SB>RhCl<SB>6</SB>soluble in the deionized water is dissolved and recovered, and the Te insoluble in the deionized water is filtered off. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
