... converter copper slag offgas 28 13 58 13 17 67 4 48 46 29 7 64 72 6 21 11 86 3 70 % Cu matte feed distribution YO to to to blister converter converter copper slag offgas 50 ... (19 87) World Survey of Nonferrous Smelters, TMS, Warrendale, PA. Vemey, L.R. (19 87) Peirce-Smith copper converter operations and economics. In Copper 87, Vol. 4, Pyrometallurgy of Copper, ... Eltringham, G.A. (1 979 ) A survey of worldwide copper converter practices. In Copper and Nickel Converters, ed. Johnson, R.E., TMS, Warrendale, PA, 1 32. 146 Extractive Metallurgy of Copper 9.4.1...