alexa Treatment of saline wastewater in SBR aerobic granular reactors.
Engineering

Engineering

Journal of Civil & Environmental Engineering

Author(s): Figueroa M, MosqueraCorral A, Campos JL, Mndez R

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Abstract Fish canning effluents characterized by their salt content, up to 30 g NaCl/L, were treated, previously diluted to desired concentration, in a SBR where aerobic granular sludge was produced. The formation of mature aerobic granules occurred after 75 days of operation with 3.4 mm of diameter, SVI of 30 mL/g VSS and density around 60 g VSS/L-granule. Treated organic loading rates were up to 1.72 kg COD/(m3.d) with fully organic matter depletion. Ammonia nitrogen was removed via nitrification-denitrification up to 40\% when nitrogen loading rates were of 0.18 kg N/(m3.d). The presence of salt in the treated effluent did not cause a detrimental effect on the operation of the reactor once the aerobic granules were formed. IWA Publishing 2008. This article was published in Water Sci Technol and referenced in Journal of Civil & Environmental Engineering

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