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DatoValore
TitleADVANCED TREATMENT OF LANDFILL LEACHATE: TOXICITY AND OPERATING COST MINIMIZATION
KeywordsLandfill leachate treatmentSBBGR systemsolar photo-Fentonozonationoperating coststoxicity reduction
Year2012
TypeContributo in volume
AuthorsDel Moro, Guido; Cassano, Daniela; Zapata, Ana; Brunetti, Gennaro; Di Iaconi, Claudio; Oller, Isabel; Malato, Sixto; Ricco, Giusi; Mascolo, Giuseppe
Text397358 2012 ISI Web of Science WOS 000313550800009 Landfill leachate treatment SBBGR system solar photo Fenton ozonation operating costs toxicity reduction ADVANCED TREATMENT OF LANDFILL LEACHATE TOXICITY AND OPERATING COST MINIMIZATION Del Moro, Guido; Cassano, Daniela; Zapata, Ana; Brunetti, Gennaro; Di Iaconi, Claudio; Oller, Isabel; Malato, Sixto; Ricco, Giusi; Mascolo, Giuseppe CNR; CIEMAT; Univ Bari Aldo Moro; ARPA Puglia Abstract Municipal landfill leachates, resulting from the percolation of water through solid waste, are considered one of the types of wastewater with the greatest environmental impact. A combination of biological and physical/chemical methods is usually required for effective treatment of medium old age landfill leachates. Attractive potential technique are to apply chemical oxidation processes for increasing the biodegradability of recalcitrant pollutants or to employ solar based AOPs featured by low energy demand as a post treatment which consequently reduce the operating cost. In the present work the treatment of a medium age landfill leachate was investigated by employing several set ups including a sequencing batch biofilter granular reactor SBBGR step with or without ozone enhancement, followed or not by a polishing step with solar photo Fenton SphF . Objectives of the investigation were to compare different treatment strategies for optimizing the process, to achieve the lowest operating costs and to reduce the toxicity of the final effluent. These objectives were addressed for two different target COD values, namely 160 and 500 mg/L, to be met in the final effluent for disposing of to water bodies and to sewers, respectively, requested by Italian environmental regulation. The different treatment strategies have demonstrated to be technically suitable for achieving the requested COD 160 or 500 mg/L and initial toxicity reduction using four different bioassays goals. For the COD target of 500 mg/L, treatment set ups have comparable cost instead the combination SBBGR/solar photo Fenton is economically more efficient when the target COD is 160 mg/L. Published version Capitolo Contributo in volume guido.delmoro DEL MORO GUIDO claudio.diiaconi DI IACONI CLAUDIO giuseppe.mascolo MASCOLO GIUSEPPE