Codelco tackling arsenic problem

Chile’s state copper producer Codelco, through its EcoMetales subsidiary, will invest US$371 million to build an arsenic reduction plant in northern Chile that will help bring it in line with tighter emission regulations across the globe.

Cochilco estimates Ministro Hales produces 184,000tpa of concentrate with more than 1% arsenic

03 November 2016
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The new plant will be capable of treating some 200,000 tonnes per annum of concentrates from its Ministro Hales and Chuquicamata divisions in northern Chile and is based on autoclave technology that

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