NICKEL: Vale to permanently close Clarabelle crushing area ...ONTARIO – After a temporary closure of four months, the crushing area at the Clarabelle nickel concentrator at Sudbury is to be p

Nickel WikipediaNickel is a silvery-white metal with a slight golden tinge that takes a high polish. It is one of only four elements that are magnetic at or near room temperature ...iran molybd

Mond process WikipediaThe Mond process, sometimes known as the carbonyl process, is a technique created by Ludwig Mond in 1890, to extract and purify nickel. The process was used ...Steelmaking

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