Pitt Discovers Better, Cheaper Way to Recycle Shale Wastewater

Engineers at the University of Pittsburgh's Swanson School of Engineering are developing a new way to reduce the environmental impact of drilling and fracking by cleaning produced water for reuse. Produced water is the water that comes out of the hole long after drilling and fracking is done. It is "water from the depths"--far below the water table--and it's full of minerals, which is why it's often called brine (or salt). Pitt engineers have researched membrane distillation (MD) to treat this salty wastewater. Pitt has discovered how to use MD to economically recycle and reuse produced water from shale.

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