Use of Indigenous and Adapted Microbial Assemblages in the Removal of Organic Chemicals from Soils and Sediments

Abstract

Among the consequences of discharging industrial wastes to land and water bodies is the widespread accumulation of toxic chemical mixtures in surface and subsurface environments. It is believed that the distribution of toxic materials in the environment constitutes a threat to ecological and human health. Bioremediation of contaminated soils and sediments using indigenous and adapted microbial consortia offers the possibility of rapid and cost-effective removal of organic and organometallic compounds to low levels and nontoxic products. The purpose of this communication is to discuss the theory and practice of bioremediation as it applies to contaminated sediments, and present data on the removal and detoxification of refinery wastes containing polycyclic aromatic hydrocarbons.