Anaerobic treatment of leachates in UASB reactors

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1992 English Publisher:WileyJournal:Journal of Chemical Technology & Biotechnology, volume 54, pages 33-37 (issn: 0268-2575, eissn: 1097-4660,

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Authors: José Berrueta; Leonor Castrillón;

doi: 10.1002/jctb.280540107

Anaerobic treatment of leachates in UASB reactors

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Abstract

AbstractLeachates from the solid urban wastes landfill of Asturias were characterized and treated in upflow anaerobic sludge blanket laboratory reactors. The highest percentage of COD removal was 88% for a hydraulic retention time of 2–4 days. Gas production was close to the theoretical values, with CH4 content up to 88%. HCl was needed to keep pH neutral, and phosphate was added as nutrient. There was a refractory fraction to the biodegradation of 7%.

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University of Oviedo
Spain

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