Mixture extractant for silver recovery and recovery of silver from leaching solution of spent catalysts with this mixture extractant

摘要

The present invention relates to a recovery method of silver contained in a leaching solution. More specifically, the present invention relates to a mixture extract used to recover silver contained in a leaching solution to leach waste sources such as a waste catalyst used in petrochemical industry and a recovery method of silver contained in a leaching solution with the mixture extract.