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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/162030
Recycled cyanobacteria ashes for sono-enhanced photo-Fenton wastewater decontamination
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Currently, there is massive generation of persistent organic pollutants, which are hazardous sub-stances, owing to the exponential industrial growth and the associated waste production. Conse-quently, green and reliable strategies for decontaminating wastewater and generating value-added products are needed to realize the global demand of sustainability. In this study, an efficient sustain-able circular process for water remediation with nearly zero residue production is developed using iron-rich cyanobacteria ashes. These cyanobacteria ashes are obtained from the combustion of Ar-throspira platensis var lonar and are used as Fenton-like photocatalysts in different assisted photo-Fenton reactions (processes enhanced by light). The use of these iron-rich cyanobacteria ashes is par-ticularly effective for the sono-enhanced photo-Fenton processes for water remediation (mineraliza-tion > 94.9%), with an outstanding reusability. At the end of the effective lifetime of the photocata-lyst, the remaining ashes can be subsequently reused as a supplement during the growth of new cy-anobacteria, thus closing the circular process. The proposed approach is a green and sustainable pro-cess integrating both carbon dioxide fixation and clean-water production aimed at attaining sustain-able development.
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ARTAL LÓPEZ, Raúl, et al. Recycled cyanobacteria ashes for sono-enhanced photo-Fenton wastewater decontamination. Journal Of Cleaner Production. 2020. Vol. 267, num. 121881. ISSN 0959-6526. [consulted: 10 of June of 2026]. Available at: https://hdl.handle.net/2445/162030