Abstract
Heavy metal contamination is the result of various human activities. Increased concentrations of heavy metals are responsible for causing lethal and chronic diseases in humans, affecting the metabolism of plants and causing metal toxicity in the environment. Available conventional techniques for metal detoxification are not found effective and economically feasible. Bioremediation is an ecologically and economically favorable technique that consists of natural biological processes to eliminate toxic heavy metal contaminants. Various microorganisms, fungi and plants can be used for heavy metal detoxification. This paper gives an idea about the concept, types, and principles of bioremediation.
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