Abstract:

Dai Bai craft village is a traditional craft village that produces fine handicrafts, brass casting, and bronze worshiping objects. The annual quantity of copper slag reaches thousands of tons, with copper content 8-15%; zinc 25-35%; iron 0.5-3.5%, etc. Currently, waste slag in copper alloy cooking in general and brass in particular has not been thoroughly treated and there is no specific research on the Recovery of useful metals in waste slag. By hydrometallurgical technology to process and recover zinc from copper slag, the research team recovered zinc to the zinc oxide form with quality> 95% ZnO