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Microbial approaches for sustainable remediation of dye-contaminated wastewater: a review

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Abstract

The coloured effluents produced from different industries, such as textile, plastics, printing, cosmetics, leather and paper, are extremely toxic and a tremendous threat to the aquatic organisms and human beings. The removal of coloured dye pollutants from the aqueous environment is a great challenge and a pressing task. The growing demand for low-cost and efficient treatment approaches has given rise to alternative and eco-friendly methods, such as biodegradation and microbial remediation. This work summarizes the overview and current research on the remediation of dye pollutants from the aqueous environment by microbial bio-sorbents, such as bacteria, fungi, algae, and yeast. In addition, dye degradation capabilities of microbial enzymes have been highlighted and discussed. Further, the influence of various experimental parameters, such as temperature, pH, and concentrations of nutrients, and dye, has been summarized. The proposed mechanism for dye removal by microorganisms is also discussed. The object of this review is to provide a state-of-the-art of microbial remediation technologies in eliminating dye pollutants from water resources.

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Acknowledgements

This study was supported by Department of Biotechnology, Ministry of Science and Technology, Government of India through the DBT Star College scheme (BT/HRD/111012/2018).

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Correspondence to Devaraj Bharathi.

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The authors declare that they have no conflicts of interest.

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Communicated by Erko Stackebrandt.

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Bharathi, D., Nandagopal, J.G.T., Ranjithkumar, R. et al. Microbial approaches for sustainable remediation of dye-contaminated wastewater: a review. Arch Microbiol 204, 169 (2022). https://doi.org/10.1007/s00203-022-02767-3

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  • DOI: https://doi.org/10.1007/s00203-022-02767-3

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