Canadian Copper Company

The European arsenical ores have now been largely displaced by those from Cobalt District, Ontario, which have been worked for some years by the Canadian Copper Company, who have employed the following process 4 ... 

Browne s Process,3 which is made use of by the Canadian Copper Company, consists in desulphurising copper-nickel-iron matte, whereby a product, containing 54 per cent, of copper and 43 per cent, of nickel, together ivith small quantities of iron and sulphur, results. Half of this is cast into anodes and the remainder is treated with chlorine in brine, whereby the metals are obtained in solution as chlorides. On electrolysing, copper is deposited on to cathodes of the sa,me metal until the proportion of copper to nickel is reduced to 1 in 80. Addition... 

Platinum from Nickel Matte.—Platinum occurs in traces in the nickel ores of Sudbury (see p. 82), and is to some extent recovered from these in commercial practice by more or less secret processes. During the fiscal year ending March 31, 1916, the Canadian Copper Company produced 56,405 tons of nickel matte, the average sample of which contains ... 

Canadian Copper Pyrites and Chemical Company - 1870 s Nichols Chemical Company - 1880 (closed in 1939)... 

Nautilus Minerals, a Canadian company, is planning to mine sulfide deposits on the ocean floor near Papua New Guinea for copper, gold, silver, and zinc. Its actions have been the focus of some criticism by scientists. 

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