A new filter engineered by scientists has proven able to remove more than 90% of hydrocarbons, bacteria, and particulates from contaminated water produced by hydraulic fracturing (fracking) operations at shale oil and gas wells.

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A new filter engineered by scientists has proven able to remove more than 90% of hydrocarbons, bacteria, and particulates from contaminated water produced by hydraulic fracturing (fracking) operations at shale oil and gas wells.