Concerns over chemical treatment of reclaimed fracking fluid
from Chemistry World
Some of the chemical additives and the vast quantities of water used for fracking have raised environmental concerns. The high dissolved salt and organic content of reclaimed fracking fluid, which includes hydrocarbons, greases and biological matter, means it is unsuitable for immediate reuse. And there's a risk it would be toxic to aquatic organisms so it cannot be released into rivers or groundwater. So if we can't reuse the fluid, and we can't dispose of the fluid, we have to treat the fluid.
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