Cominco Ltd. History (1906 – 2001)
2015-5-7 · Incorporated in Canada in 1906, Cominco Ltd. has emerged as a leading integrated zinc and copper producer. With mines in Canada, the United States, Chile, and Peru, Cominco is the world''s largest producer of zinc concentrate as well as the fourth-largest zinc metal refiner. Additionally, Cominco produces lead, silver, gold, germanium, and indium SIGN OF A MODERN LARGE CAPACITY FeNi …2015-5-22 · Based on the assumptio n of 95% availability each of the calcinatio n plant and the smelter unit, the resulting overall plant availability is approx. 90 %, i.e. approx. 7,900 hours per year [11,12]. For large scale FeNi plants based on 2 rectangular smelters SMS DEMAG recommends a "two-in-line-so-lution", as shown in figure 2.