9/3/2015 · Understanding Coke Making in Byproduct Coke Oven Battery satyendra March 9, 2015 2 Comments Byproducts, coal, coke, coke oven, Coke oven battery, coke oven gas, tar, Understanding Coke Making in Byproduct Coke Oven Battery Coke is one of the basic materials used in blast furnaces for the conversion of iron ore into hot metal (liquid iron), most of which is subsequently processed into steel.