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Petroleum hydrocarbon contamination assessment and characterization of three quagmire soils in the Gassi El Agreb oil field (Hassi Messaoud, Algeria)

Kout Samia, Ala Abdessemed, Belahmadi Mohamed Seddik Oussama, Hassaine Amina, Bordjiba Ouahiba, Tahar Ali

Archives of Environmental Protection

2022

Vol. 48, no. 4

3--12

The aims of the current study are the physicochemical characterization, spatial assessment and monitoring of hydrocarbon contamination in quagmire of three sites (Agreb, Gassi and Zotti) in the Hassi Messaoud region (Algerian Sahara), as a result of the presence of an important oil industry rejecting industrial wastewater. Samples were obtained from three different depths for each site. Total Hydrocarbons (THC) were determined by a gravimetric method, and the four (F1:C6-C10), (F2:C10-C16), (F3:C16-C34) and F4>C34) hydrocarbon fractions and BTEX (Benzene, Toluene, Ethyl-benzene and Xylene) were determined by using gas chromatography (FID). The results obtained show a high contamination with hydrocarbons in different sites and depths. The concentrations of THC, four hydrocarbon fraction and BTEX recorded on Agreb site in different depth were in this order: 51200–120000 mg/kg d.w.;