Alumina giant Alcoa will close an aging Perth refinery and slash hundreds of jobs. The US-listed company on Tuesday said operating costs, current bauxite grades and current market conditions were behind the decision. Production will be phased out at the Kwinana refinery, with about 800 employees and 250 contractors likely to be affected. The Western Australian government expressed its disappointment in the decision and said it would support those affected. Premier Roger Cook said it would be a difficult day for Alcoa's workers. "This is a very disappointing outcome, and Alcoa needs to do everything it can to support its workforce…
