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Technical and economical assessment of the treatment of vinasse from Pisco production using the advanced oxidation process

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Abstract

The removal of organic matter from Pisco production wastewater was evaluated using coagulation/flocculation, filtration as a pre-treatment, and solar photo-Fenton, with the use of two types of photoreactors: compound parabolic collectors (CPC) and flat plate (FP), with and without utilizing the ozonation process. The overall removal efficiency for chemical oxygen demand (COD) was 63% and 15% using FP and CPC, respectively. Also, for the overall removal efficiency of polyphenols, a percentage of 73% and 43% were obtained using FP and CPC, respectively. When ozone was used in the solar photoreactors, the resulting trends were similar. COD and polyphenol removal, using an FP photoreactor in the solar photo-Fenton/O3 process, resulted in values of 98.8% and 86.2% after the process. COD and polyphenol removal, using solar photo-Fenton/O3 process in a CPC, resulted in values of 49.5% and 72.4%, respectively. The economic indicators of annual worth and economic treatment capacity established that FP reactors represent lower costs than CPCs. These results were corroborated by the economic analyses of the evolution of costs versus COD removed as well as by the cash flow diagrams projected for 5, 10, and 15 years.

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Acknowledgements

The authors wish to thank the Central Laboratory for Marine Aquaculture of the Marine Sciences Department of the Universidad Católica del Norte for providing equipment support.

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All authors contributed to the study conception and design. Conceptualization, methodology, validation, formal analysis, data curation, writing—original draft preparation, and writing—review and editing were performed by Rodrigo Poblete and José Bakit. The investigation, resources, supervision, and project administration were performed by Rodrigo Poblete. All authors read and approved the final manuscript.

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Correspondence to Rodrigo Poblete.

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Poblete, R., Bakit, J. Technical and economical assessment of the treatment of vinasse from Pisco production using the advanced oxidation process. Environ Sci Pollut Res 30, 70213–70228 (2023). https://doi.org/10.1007/s11356-023-27390-7

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  • DOI: https://doi.org/10.1007/s11356-023-27390-7

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