Removal of Oil from Water by Bentonite Organoclay

Abstract

Powdered bentonite organoclay was used to remove oil from water in this study. The oil-in-water emulsions used were standard mineral oil (SMO), Kutwell45 (KUT45), and Valcool (VAL) (two cutting oils), refinery effluent (RE), and produced water (PW) from production wells at Estevan, Saskatchewan. The concentrations of oil in oily waters varied from