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  • Title: Sequencing Batch Reactor (SBR) treatment for simultaneous organic carbon and nitrogen removal--a laboratory study.
    Author: Debsarkar A, Mukherjee S, Datta S.
    Journal: J Environ Sci Eng; 2006 Jul; 48(3):169-74. PubMed ID: 17915779.
    Abstract:
    The performance of a laboratory-scale Sequencing Batch Reactor (SBR) has been studied in aerobic-anoxic sequence for simultaneous organic carbon and nitrogen removal. The reactor was operated under three different variations of aerobic-anoxic sequence, viz. 4+4, 5+3 and 3+5 hours with input solutions of soluble COD (SCOD) level 1000 +/- 100 mg/L and initial ammonia nitrogen of 40 and 90 mg/L. It has been observed that 85 to 92% of SCOD removal would be possible at the end of 8.0 hour of overall reaction period, irrespective of the length of the aerobic react period. In the case of 4+4 hour operating cycle, reasonable degree of nitrification (88-100%) and denitrification (73-75%), along with 91-94% of organic carbon removal have been achieved, which has been considered to be the optimum performance of the reactor.
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