Chapter 7 Energy Use in the Copper Industry
1996-11-20 · fuel oil, coal, coke), or as the energy equivalent of materials consumed (e. g., chemicals and steel grinding media). In 1977, the primary copper in-dustry purchased 121trillion Btu of energy, or around 85 miIlion Btu per short ton of cathode copper produced.] This compares to around 15 million Btu/ton for iron mining and steel produc-