Gas producers recycling water despite costs
Hydraulic fracturing — the process at the core of most natural gas production in the United States — uses a lot of water.
Producers need 4 million gallons of water or more, mixed with sand and chemicals, to help free the gas trapped in tight shale formations.
That water is pumped back out of the well to make way for the gas, but it still poses a problem for producers because it is contaminated with a...
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