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Biological sulphate removal in acid mine drainage using anaerobic fixed bed reactors with cheese whey as a carbon source

AuthorsJiménez-Rodríguez, A. M.; Durán-Barrantes, M. M.; Borja Padilla, Rafael ; Sánchez, Enrique; Colmenarejo Morcillo, Manuel F. ; Raposo Bejines, Francisco
KeywordsAcid mine drainage (AMD)
Cheese whey
Sulphate removal
Carbon source
Sulphate Sulphatetotal COD ratio
Issue Date2010
PublisherUniversidad Nacional del Sur (Argentina)
Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina)
CitationLatin American Applied Research 40: 329-335 (2010)
AbstractThe effect of the hydraulic retention time and the sulphate-total COD ratio on the performance of an anaerobic biological process applied to acid mine drainage water (AMD) was evaluated using cheese whey as a carbon source. Laboratoryscale fixed bed bioreactors operating at 25 ± 2 ºC were used in the experiments. Maximum sulphate reduction and hydrogen sulphide production were achieved at a hydraulic retention time of 8 days and at a sulphate-total COD ratio of 0.5. Under these conditions, the sulphate removal was found to be 68.1% while the hydrogen sulphide production was 0.27 L/day. At the same time, the total COD removal obtained was 55.4%.
Description7 páginas, 5 figuras, 2 tablas.
Appears in Collections:(IG) Artículos
(CCMA) Artículos
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