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Full-Scale Carbonaceous and Nitrogen Removal Using BAF Technology

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This paper presents the results of the 30-day performance test trial of the Biological Aerated Filter system at the Binghamton-Johnson City Joint Sewage Treatment Plant. The Binghamton-Johnson City JSTP BAF system is one of the largest 3-stage BAF installations and treats an average flow of 1.503 L/sec (34.3 mgd), a max month flow of 1.946 L/sec (44.4 mgd) and a peak flow of 3.068 L/sec (70 mgd) and discharges to the Susquehanna River. The plant consists of three stages in series with 8 C-stage filters, 8 N-stage filters and 4 DN-stage filters.

The BAF system is required to achieve DN-cell effluent BOD < 18 mg/L, TSS < 20 mg/L, NH3−N < 2.0 mg/l, and Total Nitrogen < 6.0 mg/L. The Stage 2 performance test at the Binghamton-Johnson City JSTP was conducted from September 15th — October 15th, 2010 and the results will be summarized below.

Keywords: BAF; Denitrification; Nitrification; Nitrogen removal; performance test

Document Type: Research Article


Publication date: 2011-01-01

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