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- W2107837479 abstract "This paper describes a novel system for the biological sulphate reduction (BSR) of acid mine drainage (AMD) using primary sewage sludge (PSS) as carbon source in an upflow anaerobic sludge bed (UASB) reactor configuration. A UASB reactor was operated at a temperature of 35oC and it received PSS (1 875 mgCOD/.) augmented with sulphate (1 500 mgSO4 2-/.). The experimental results indicate that high treatment efficiency was achieved at more than 90% sulphate reduction at a liquid hydraulic retention time (HRT) of 13.5 h. In this study, the effects of various operational parameters were also investigated. The effect of a biomass recycle stream from the top to the bottom of the sludge bed was found to initiate rapid BSR from the bottom of the bed. Profile tests showed that effective and immediate sulphate reduction was achieved as soon as theinfluent entered the reactor. From these results, it can be concluded that the UASB configuration using PSS as energy source would be a viable method for the BSR of AMD." @default.
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- W2107837479 date "2009-12-15" @default.
- W2107837479 modified "2023-09-26" @default.
- W2107837479 title "Biological sulphate reduction with primary sewage sludge in an upflow anaerobic sludge bed (UASB) reactor – Part 1: Feasibility study" @default.
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- W2107837479 doi "https://doi.org/10.4314/wsa.v35i5.49178" @default.
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