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Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/29113

Title: The influence of hydraulic residence time on the treatment of cattle manure in UASB reactors
Author(s): Marañón Maison, María Elena
Castrillón Peláez, Leonor
Vázquez, Isabel
Sastre Andrés, Herminio
Keywords: Farms
Cattle manure
Anaerobic treatment
Upflow anaerobic sludge blanket (UASB)
Issue date: 2001
Publisher: Sage
Publisher version: http://dx.doi.org/10.1177/0734242X0101900508
Citation: Waste Management & Research, 19(5), p. 436-441 (2001); doi:10.1177/0734242X0101900508
Format extent: p. 436-441
Abstract: Cattle manure from farms in the autonomous community of Asturias, Spain, was characterised and subsequently treated, after filtration through a 1 mm sieve, in upflow anaerobic sludge blanket laboratory reactors. The volume generated per cow and day varied between 50-55 litres (obtained through a survey of 400 farms), the manure being used on Asturian farms up until now as a fertiliser. After screening, the COD of the manure employed varied between 33,000 and 56,000 mgO2 l–1. The highest percentage of COD removal obtained was 75.5% for a hydraulic residence time of 22.5 days. Gas production varied between values of 0.20-0.39 m3gas.kg–1 COD removed, with a methane content of up to 64%. There was a fraction refractory to biodegradation of 11%.
URI: http://hdl.handle.net/10651/29113
ISSN: 0734–242X
Appears in Collections:Artículos
Ingeniería Química y Tecnología del Medio Ambiente

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