Hydromet is considered a cleaner and less expensive choice, although Voisey's Bay Nickel said it has not been proven on the type of ore found at the northern Labrador mine.

Vale Inco will begin construction next year in Long Harbour on a hydromet processing plant that is expected to start refining nickel concentrate — extracted from the giant Voisey's Bay mine, in ...

Nemaska Lithium had originally planned to build its Phase 1 Plant and Hydromet Plant in Salaberry-de-Valleyfield, Que., but chose Shawinigan due to existing infrastructure and the site’s ...