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Biological Approaches to Controlling Pollutants
2022, 399-417

Biofilm in remediation of pollutants

Tanushri Chatterji1, Sunil Kumar2

Department of Microbiology, Babu Banarasi Das College of Dental Sciences, Babu Banarasi Das University, Uttar Pradesh, Lucknow, India.


Bioremediation is a process of degradation of pollutants by the consortia of microbial action. The diverse microbial populations residing at contaminant sites form biofilms. The formation of these biofilms eliminates pollutants from wastewater, aquatic systems, and many more sites. The potential of these microbial actions is enhanced by the environmental, biological, and cellular factors of the pollutant site. The process of remediation can be performed either in situ or ex situ. The biofilm-mediated remediation is accelerated by using bioreactors (fixed-bed reactor, fluidized-bed reactor, etc.). The association of microbial action has the potential to degrade hydrocarbons, heavy metals, dyes, and oils. Nowadays, bioremediation is preferred because of its easy setup and cost-effective, rapid, and effective pollutant treatment resulting in no or minimal toxic production during the process.

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