MTA-AUS 2014

CONEXPO-CON/AGG VIP SHOW GUIDE contains Floor Plans and a complete listing of companies exhibiting at the ConExpo-Con/Agg 2014 trade show in Las Vegas March 3-7, 2014. It also contains 2014 forecasts for the Aggregate, Concrete and Cement industries

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MINING & TECHNOLOGY AUSTRALIA 2014 | ISSUE 8 23 management sourcing, processing, waste management, dust control, dewatering, site operations, transport, discharge and rehabilitation. One of the most important emerging water issues for miners however, is supply especially as "social licence" and cost pressures grow, spurring far more atention to strategies that "reduce, reuse & recycle". Rio Tinto for one recently spent over $300 million to build the Bungaroo Valley bore and related infrastructure in the Pilbara in West Australia to supply up to 10 gigalitres a year for the company's operations, while also providing for domestic use in the nearby towns of Wickham and Dampier and halting Rio's use of the region's existing aquifer. Another approach by Australia's largest gold producer, Newcrest, saw the use of a high efciency, low-maintenance water treatment system from CST Wastewater Solutions to purify human and other waste water from surrounding communities for use at its NSW Cadia Valley operations. Glencore Xstrata has also spent millions to cut fresh water use at its Mount Isa Mines by up to half on initiatives like automation to track water performance, recycling water more extensively, expanded process water uses particularly from its tailings, and fnding system wide efciencies. High-end options like desalination or Reverse Osmosis (RO) are also on the rise. Rio Tinto & BHP Billiton have made headlines with a multi-billion dollar seawater desalination facility at their Chile Escondida copper mine, but here consulting engineering and water companies like UGL, MWH, IBCWater, Veolia Water and MAKWater have all completed a range of mining desal projects in the last few years. One company leading the trend, Osmofo, has been designing, managing and often leasing 'ft for purpose', portable desal plants for companies like Xstrata Coal, mineral sands miner Bemax Resources, Arrium Mining, Iluka Resources, Santos and Newmont Mining's Boddington gold mine. "We're using a range of methods from reverse osmosis to microfltration to deliver new sources of potable and process water to sites, but we've also automated treatment plants so that we can monitor them remotely 24/7 from a high tech control hub in Adelaide," Scot Chalmers, eastern regional manager at Osmofo, said. "Digital connectivity is adding a whole new level to what we can ofer our clients in water management with greater efciencies and safety." The quantifed mine THE CAPACITY TO MONITOR, COLLECT, measure and analyse nearly every aspect of a mine's footprint through digital technology, smart software and refned analysis has been a boon for water, underpinning a push to both beter understand a mine's distinct requirements and strategically plan for them. "Digital connectivity is adding a whole new level to what we can offer our clients in water management with greater efficiencies and safety."

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