Scientists in Australia have developed a highly effective method for the treatment of mining wastewater which involves the use of the same minerals found in common stomach antacids.

A new technology developed by Australian scientists at CSIRO has been deployed for the first time at a commercial mine in Queensland, where it has proven capable of reducing the sludge content of mining wastewater by as much as 90 per cent for a fraction of the cost of conventional methods. The technology, which…