Abstract
Abstract The paper discusses bioremediation of contaminated groundwater and soils. Research needs for bioremediation are also discussed. Forms of bioremediation practiced today are the microbiological approach, which involves augmentation of the contaminated site with one or more species of contaminant‐specific degrading organisms, and the microbial ecology approach, which involves adjusting certain physical and chemical factors at a site to enhance degradation. The microbial approach can be used at most sites. Contaminated soils may be bioremediated by in‐situ techniques, landfarming, composting or in slurry bioreactors. Anaerobic biodegradation may offer an effective alternative to aerobic in‐situ bioremediation for some compounds. Chlorinated aliphatic and hetercyclics have been degraded anaerobically. Peholeum hydrocarbons are the most easily bioremediated compounds. White rot fungus Phanerochaete chrysosporium will degrade many PAH compounds found in cresote. Bioremediation is also being used to reme...
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