A physico-chemical separation process for upgrading iron ...
2013-11-14 · The pyrometallurgical process is a method that mixes waste copper slag with various fluxes such as alumina, calcium oxide, magnesium oxide, silica as a slag composition regulator, and carbon as a reducing agent, and then melts the mixture at a high temperature of about 1673–1723 K, thereby separating and recovering iron as an alloy form from ...