09.07.2015 Views

Responsibility Report - Peabody Energy

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Corporate and Social responsibility | 45The Metropolitan Mine is expected to be the world’s leading mine in capturingcoal mine waste material without fly ash and placing it underground. It also willbecome the only Australian operation to adopt the paste process.Pioneering Underground Recycling of Coal Mine WasteTechnology Should Significantly Minimize Truck Transportation of RockNestled behind a thick canopy of gum trees in the base of a national park, <strong>Peabody</strong><strong>Energy</strong>’s Metropolitan Mine has operated in the southern New South Walescoalfields for nearly 125 years.The setting is picturesque, yet space is limited. So the mine has pursued a novelmethod to convert discarded material from its preparation plant by transforming itinto a high-density slurry paste. The paste then is injected back underground intoabandoned mine workings.When fully implemented by 2015, this high-technology recycling technique isexpected to completely eliminate the transportation of the waste rock for surfaceemplacement. Annually about 10,000 fewer trucks will travel down the mainstreet of Helensburgh, the township that neighbors the mine.Over the life of the operation, this new method is estimated to eliminate theemissions, dust and noise from more than 350,000 vehicles, while improvingsafety on area roads.While similar systems have been used in coal mines in Europe and in the concreteindustry, Metropolitan is the only Australian mining operation to find an economicmeans to transform its waste into a paste and place the material underground. It alsois believed to be the only mine in the world to inject 100 percent of its rejects materialwithout fly ash in a contained area beneath the earth.The New South Wales Minerals Council recognized this ingenious solution with one ofits highest honors – the Environmental and Community Excellence Award. <strong>Peabody</strong>’sapproach also earned the council’s People’s Choice Award, given by delegates fromthe leading companies in the state.During an unprecedented resources boom, Australia’s leaders seek to balancecommunity land needs and environmental concerns with the requirements of fastgrowing,world-class energy developments. Solutions like the coal paste backfillprocess pioneered at the Metropolitan Mine assist the entire energy sector inmanaging waste even more safely and sustainably.

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