Soluble Bio-based Substances Obtained from Urban Wastes: Isolation and Characterization

Prevot, Alessandra Bianco; Avetta, Paola; Berto, Silvia; Daniele, Pier Giuseppe; Tabasso, Silvia; Mainero, Davide; Montoneri, Enzo

doi:10.1007/978-3-319-14744-4_1

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“…In recent years, the recovery of bio-based substances (BBS) from UBWs, has been reported in the literature and proposed for a wide portfolio of applications [8,9], among them the possibility of being used as chemical auxiliaries to assist the photochemical degradation of pollutants in water [10,11]. Through a structural and physico-chemical characterization, similarity between BBS and the humic substances was highlighted [3], being the photoactivity of the latter deeply studied and recognized.…”

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confidence: 99%

Environmental Assessment of Solar Photo-Fenton Processes at Mild Condition in the Presence of Waste-Derived Bio-Based Substances

et al. 2022

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The assessment of environmental sustainability has assumed great importance during the study and implementation of a new process, including those aimed to waste valorization and reuse. In this research, the environmental performance of the photo-Fenton processes was evaluated using the life cycle assessment (LCA) methodology. In particular, photo-Fenton conducted in mild conditions (almost neutral pH), using soluble bio-organic substances as auxiliary agents were compared with the “classic” photo-Fenton run at pH 2.8. The evaluation was carried out both, at the laboratory level and at pilot plant scale. LCA analysis shows that working in mild conditions reduces the environmental burden associated with the use of chemicals. On the other hand, the occurring drop in effectiveness significantly increases the overall impact, thus evidencing the need of considering the process as a whole.

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