Method for recovering lead from copper smelting dust
AssigneeMitsubishi Materials Corporation
InventorsShu Muraoka, Fumito Tanaka, Tomoya Morimoto
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Abstract
There is provided a method for recovering lead from copper smelting dust according to the present invention includes an alkali leaching step of leaching lead contained in copper smelting dust with an alkali solution, a step of performing a solid liquid separation on a post-leaching solution and a leaching residue after the alkali leaching step, a neutralization step of adding an acid to the separated post-leaching solution to precipitate a lead, and a step of recovering a precipitate containing the lead by performing a solid liquid separation.
Claims4
A method for recovering lead from copper smelting dust, comprising:
- an alkali leaching step of leaching lead contained in copper smelting dust with an alkali solution;
- a step of performing a solid liquid separation on a post-leaching solution and a leaching residue after the alkali leaching step;
- a neutralization step of adding an acid to the separated post-leaching solution to precipitate a lead;
- and
- a step of recovering a precipitate containing the lead by performing a solid liquid separation.
Dependencies are inferred from the claim text.