... overflow hole 5 available 46 0 -4 80 (70% CU) 2 0-3 5 6 0-8 0 4 0 -4 5 3 2 -4 0 9-1 4 40 0 -4 20 0.7 0.2 1225 6 0-7 0 1 2-1 6 0 .42 1 240 recycle to smelting furnace 1 3-1 5 28 1200 2 5 -4 0 Fuel ... thickness, m 0-0 .45 0-0 .4 0. 4- 0 .8 0.8 0-0 .3 0-0 .2 0-0 .2 158 Extractive Metallurgy ofcopper Copper siphon Fig. 10.1. Mitsubishi downward lance continuous converter, 12.5 m diameter. It converts ... Processes, ed. Diaz, C., Holubec, I. and Tan, C.G., Metallurgical Society of CIM, Montreal, Canada, 513 5 24. 1 84 Extractive Metallurgy of Copper Campos, R. and Torres, L. (1993) Caletones...