Mitsui to build BHP desalination plant in Chile By: Reuters: Company News October 12, 2017 at 10:52 AM EDT SANTIAGO, Oct 12 (Reuters) - Japan's Mitsui & Co plans to build a desalination plant for BHP Billiton Plc's Spence copper mine in Chile, it said on Thurday. Read More >> Related Stocks: Archon Minerals Ltd Bhp Billiton Ltd ADR Brookfield Asset Management