METHOD FOR RECOVERING VALUABLE METAL FROM PLATING SLUDGE

摘要

PROBLEM TO BE SOLVED: To provide a method for efficiently separating and recovering valuable metals from plating sludge by a simple method. SOLUTION: A solution of ammonium carbonate is added to plating sludge containing valuable metals to leach the valuable metals, and, preferably, ethanol is added to the leached solution to recover the valuable metals.