PURPOSE: To recover noble metal from the decoppered slime by eliminating a process to remove antimony from noble lead and processing a high-antimony material.

CONSTITUTION: Noble metal is recovered from a decoppered slime by settling the slime, roasting the slime, melting the slime, removing antimony and parting silver. In this case, the roasted slime is mixed with iron in the amt. corresponding to 60-100% of the iron required to reduce all the noble metal, bismuth and lead in the roasted slime, the mixture is melted so that the CaO-to-FeO weight ratio in the slag is controlled to 0.1-0.5 to obtain a high-antimony slag and noble lead, and the noble lead is processed in the silver parting stage. Noble metal is recovered from the decoppered slime in this way.