Abstract
In the present study, attention has been paid to the development of economically feasible strategies for enhanced remediation of anthracene and its conversion into biofuels. The strategies developed (B1, B2, B3, and B4) include bagasse and lipid-producing strain Rhodotorula mucilagenosa IIPL32 synthesizing surface active metabolites. The results indicate the highest production of surface-active metabolites in strategies B2, B3, and B4 along with a maximum biodegradation rate. GC–MS analysis affirmed the conversion of anthracene into phthalic acid in all the strategies. Biofuel quality of the lipid produced by the strain showed higher cetane number and improved cold flow property indicating the efficiency of the developed strategies for the production of commercial grade biodiesel. Furthermore, the phytotoxicity study of the spent wash revealed that 50% and 75% diluted spent wash were non-toxic and can be employed for ferti-irrigation. Thus, the study signifies the development of an economically feasible process that can be commercially employed in biofuel industries.
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Acknowledgements
The authors thankfully acknowledge Director CSIR-Indian Institute of Petroleum, for his constant encouragement and support. Ayan Banerjee is thankful to UGC for SRF fellowship.
Funding
CSIR AN&B FBR grants MLP-1167 and MLP-1168 to Debashish Ghosh and UGC NET SRF (File No. 3812/(NET-DEC2018)) grant to Ayan Banerjee.
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All authors contributed to the study’s conception and design. Material preparation, data collection, and analysis were performed by Amar Jyoti Das and Ayan Banerjee. Data analysis and validation were further performed by Ananya Tyagi and Arijit Jana. The first draft of the manuscript was written by Amar Jyoti Das and Ayan Banerjee. Writing — review and editing, supervision, and project administration were monitored by Dr. Thallada Bhaskar and Dr. Debashish Ghosh. All authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Das, A.J., Banerjee, A., Tyagi, A. et al. Enhanced remediation of polyaromatic hydrocarbon using agro-industrial waste for biofuel production and environmental pollution mitigation. Environ Sci Pollut Res (2023). https://doi.org/10.1007/s11356-023-29627-x
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DOI: https://doi.org/10.1007/s11356-023-29627-x