GOLD LEACHING METHOD AND GOLD RECOVERY METHOD

摘要

Provided is a gold leaching method for leaching gold included in raw material that includes sulfide minerals or gold and sulfur as a refining intermediate obtained by refining treatment of sulfide minerals, wherein the gold leaching method includes: a first leaching step for leaching part of the gold in the raw material and obtaining a leaching residue having a gold residue and including sulfur; a sulfur elimination step for eliminating the sulfur in the leaching residue; and a second leaching step for leaching at least part of the residual gold in the leaching residue that has passed through the sulfur elimination step.