Indium recovery method
AssigneeOsaka Prefecture University Public Corporation
InventorsYasuhiro Konishi, Norizo Saito, Arumi Higashi
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Abstract
According to the present invention, there is provided an indium recovery method for recovering indium from an indium-containing product, including a leaching step of allowing indium to leach into an aqueous hydrochloric acid solution by hydrothermal leaching using the aqueous hydrochloric acid solution as a leaching agent from the indium-containing product to obtain a leachate composed of an aqueous hydrochloric acid solution containing indium, and a separating step of adding a microbe for adsorbing In ions to the leachate to separate indium from the leachate.
Claims7
An indium recovery method for recovering indium from an indium-containing product, comprising a leaching step of adding an aqueous hydrochloric acid solution having a concentration of 0.05 to 0.5 M to an indium-containing product to allow indium to leach into the aqueous hydrochloric acid solution by hydrothermal leaching using the aqueous hydrochloric acid solution as a leaching agent from the indium-containing product to obtain a leachate composed of an aqueous hydrochloric acid solution containing indium, and
- a separating step of adding a microbe for adsorbing indium ions to the leachate to separate indium from the leachate.
Dependencies are inferred from the claim text.