Chile seawater desalination to grow 156% – Chile Cochilco analyst Camila Montes said desalination use would grow most in the drier northern parts of the country, forecasting 65% usage in Antofagasta, 60% in Tarapaca, 42% in Atacama and 25% in Coquimbo. Some 90% of the desalinated seawater will be used in the processing of copper sulphide ores for the production of copper concentrates. The addition of seawater desalination to a large-scale project adds at least a billion dollars to project capex, up to over $3 billion for a massive plant such as the 2,500 litres per second (lps) plant BHP added at Escondida in 2018. (LINK). HIWI042020-01-27T20:11:36+01:00