In Crude oil and natural gas exploration and production, large volumes of water are produced along with hydrocarbons: This water is a mixture of the formation water and injected water which is injected into the reservoir to maintain pressure and to enhance oil recovery [1, 2]. Produced water (PW) is a complex mixture consisting of inorganic and organic compounds of natural origin. However, the most harmful contaminants present in produced water are benzene, toluene, ethyl benzene, and xylene (BTEX) and polyaromatic hydrocarbons (PAH) [3]. This study was carried out to measure the polycyclic aromatic hydrocarbons (PAHs) in produced water samples collected from the Nasser oilfield, Libya.
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