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Chemical Week Magazine :: Business & Finance :: United States/Americas
Praxair to Build Air Separation Unit in Newfoundland
8:32 AM MDT | August 3, 2012 | Deepti Ramesh
Praxair has signed a new contract with Vale (Rio de Janeiro), a leading international mining company, to supply oxygen to a nickel processing facility being built at Long Harbour, NF. Praxair will build, own, and operate a cryogenic air separation unit with a capacity of 390 m.t./day. The unit is expected to start up in mid-2013. Vale has a new hydrometallurgical process that will use oxygen to remove the sulfur and iron from the nickel. Unlike traditional nickel refining processes, Valeâ€™s new method makes it possible to process the nickel ore concentrate...
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