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Bionutrient Removal with a Sequencing Batch Reactor

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Abstract

Removal of nitrogen and phosphorus from a domestic wastewater using a sequencing batch reactor (SBR) was evaluated at solid retention times (SRTs) of 9.3, 13.8, and 18.3 days respectively. Oxygen uptake rates (OURs) and sludge settling characteristics were determined at each SRT investigated. COD removal, nitrification, denitrification, and phosphorus removal were accomplished by using the following operating cycle: 15-min unmixed fill; 2-hr mixed anaerobic period; 3-hr mixed aerobic period; 3-hr mixed anoxic period; 0.5-hr reaeration period; 1-hr settling period; 1-hr decant period; and a 1.5-hr idle period. Advanced wastewater treatment (AWT) standards of 5/5/3/1 mg L-1 for biochemical oxygen demand (BOD5), suspended solids (SS), total nitrogen (TN), and total phosphorus (TP) could not be achieved with the bench-scale SBR.

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Authors and Affiliations

  1. Civil & Environmental Engineering Department, University of South Florida, 4202 E. Fowler Avenue, ENB 118, Tampa, FL 33620, U.S.A. E-mail

    Richard O. Mines Jr.

  2. Hole, Montes & Associates, Inc., P.O. Box 1586, Naples, FL, 33939, U.S.A

    G. Dean Milton

Authors
  1. Richard O. Mines Jr.
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  2. G. Dean Milton
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Mines, R.O., Milton, G.D. Bionutrient Removal with a Sequencing Batch Reactor. Water, Air, & Soil Pollution 107, 81–89 (1998). https://doi.org/10.1023/A:1004948828602

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  • DOI: https://doi.org/10.1023/A:1004948828602

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