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Aerobic Granulation Technology as an Emerging Strategy to Mitigate Cresol Pollution in Wastewater: A Review

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Abstract

Developments in the industrial sector have resulted in the enormous release of various phenolic pollutants in environmental matrices. The principle aim of the literature review is to summarize the occurrence, behaviour, and toxicity of one such phenolic compound-Cresol. The guidelines for the methodology of a systematic review, published by PRISMA, which includes search, screening, classification, and categorization were followed, and a database from 165 relevant review articles, research papers, thesis, letters, and book chapters was analyzed for the review. This review provides an overview of the biological treatment of Cresol and its isomers listing microorganisms used during the treatment. Based on the literature data authors elucidate that aerobic granulation sludge technology is a sustainable bioremediation method for wastewater treatment and can replace the activated sludge for the removal of toxic pollutants. Further, the review addresses the mechanism, structure, characteristics, and potential application of aerobic granules. Finally, the possibility for the efficient application of aerobic granulation technology using bioreactors other than sequential batch reactor is also discussed.

Highlights

• The detrimental effects of cresol on various environment niches are reviewed.

• The microbial species involved in cresol remediation and the metabolic pathway involved are assessed.

• The aerobic granulation as an emerging technology for bioremediation is presented.

• A detailed overview on aerobic granulation and its potential application in cresol remediation is reviewed.

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The authors declare that no funds, grants, or other support were received during the preparation of this manuscript.

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All authors contributed to the review conception and design. The literature search and data analysis was performed by Apurva Kadia. Manuscript drafted by Apurva Kadia and revised/supervised by Urvish Chhaya Conceptualization: [Apurva Kadia, Urvish Chhaya], Formal analysis [Apurva Kadia]; Writing - original draft preparation: [Apurva Kadia]; Writing - review and editing: [Apurva Kadia, Urvish Chhaya], Supervision: [Urvish Chhaya].

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Correspondence to Urvish Chhaya.

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Kadia, A., Chhaya, U. Aerobic Granulation Technology as an Emerging Strategy to Mitigate Cresol Pollution in Wastewater: A Review. Environ. Process. 10, 58 (2023). https://doi.org/10.1007/s40710-023-00670-7

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  • DOI: https://doi.org/10.1007/s40710-023-00670-7

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