Characterization and treatment of contaminated marine sediments for reuse

Abstract

The development of human activities remains an almost constant threat to the marine environment. The marine environment is assaulted in many different ways: tourism; increasing urbanization in coastal areas; waste and pollutants that are discharged directly by atmospheric pollution, which causes the surface deposition of toxic gas and dust; industrial waste (wastewater emission); the use of pesticides in agriculture; and so. Our study investigated the pollution in an industrial zone, and urban and industrial discharges dumped into the sea without any environmental consciousness. We established a matrix of treatment, whether chemical or biological, in order to eliminate the heavy metals and degrade pollution in marine sediments, especially polycyclic aromatic hydrocarbons, for the recovery and reuse of these sediments in other areas.

Keywords:

• Marine environment
• Liquid effluents
• Heavy metals
• HAP
• Sediment treatment