The oil and gas fracking is a widely used process which also is creating some by-products in waste water to be stored and cleaned. This needs treatment of bottom sediment and water dewatered from crude oil tanks, accumulating in evaporation ponds. This excess water shows high salinity and needs reduction on the BOD values and others to comply with the marine discharge limits.
To treat this special water with capacity of 250 m³/d, a dedicated treatment plant including several specific treatment steps is necessary.
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