Pollution of Mediterranean Sea with oil derived hydrocarbons is a public health problem. Among the numerous oil refineries located at the seacoast, the oil refinery of Skikda, in the north-eastern Algeria, no. 3 in the world as magnitude, is the object of the present study. The aim of the work is pollution prevention by biological means, mainly by biodegradation using selected microorganisms with high efficiency in the effluents treatment and accidental oil spills in marine waters.
