Slag
Slag is a byproduct of smelting (pyrometallurgical) ores and used metals. Broadly, it can be classified as ferrous (byproducts of processing iron and steel), ferroalloy (byproduct of ferroalloy production) or nonferrous/base metals (byproducts of recovering nonferrous materials like copper, nickel, zinc and phosphorus). Within these general egories, slags can be further egorized by ...