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- W1565003003 abstract "Research Article| September 01 1990 Removal of Nutrients and BOD from Soybean Fermentation Wastewater in a Ten-Year-Old Sequencing Batch Reactor Activated Sludge Process M. Okada; M. Okada *Department of Chemical Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei, Tokyo 184, Japan Search for other works by this author on: This Site PubMed Google Scholar K. Terazono; K. Terazono **Kyushu Industrial Health Association, 6-4-23 Higashi-Aikawamachi, Kurume, Fukuoka 830, Japan Search for other works by this author on: This Site PubMed Google Scholar R. Sudo R. Sudo ***Water & Soil Division, The National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305, Japan Search for other works by this author on: This Site PubMed Google Scholar Water Sci Technol (1990) 22 (9): 85–92. https://doi.org/10.2166/wst.1990.0070 Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Share Icon Share Twitter LinkedIn Tools Icon Tools Cite Icon Cite Permissions Search Site Search nav search search input Search input auto suggest search filter All ContentAll JournalsThis Journal Search Advanced Search Citation M. Okada, K. Terazono, R. Sudo; Removal of Nutrients and BOD from Soybean Fermentation Wastewater in a Ten-Year-Old Sequencing Batch Reactor Activated Sludge Process. Water Sci Technol 1 September 1990; 22 (9): 85–92. doi: https://doi.org/10.2166/wst.1990.0070 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Surveys on the performance of nitrogen, phosphorus and BOD removal were carried out in a full-scale conventional, i.e. continuously aerated, sequencing batch reactor (SBR) activated sludge process which was constructed ten years ago, treating wastewater from a small factory producing soybean fermentation products. The old SBR plant, originally designed only for BOD removal, is operated with one cycle per day and aerated continuously for 19 hours per day from the start of working and wastewater inflow followed by sedimentation and decanting the next morning before work. In spite of continuous and a constant rate of aeration, DO increased rapidly immediately after the beginning of aeration, whereas it decreased down to less than 0.5 mg l−1 with the inflow of wastewater. DO increased again after work with little inflow of wastewater. The diurnal fluctuation of DO enhanced both nitrification and denitrification simultaneously in a single tank reactor with continuous aeration and resulted in high performance of nitrogen removal beyond expectation as well as BOD. The anaerobic condition and subsequent increase in DO also enhanced release and luxury uptake of phosphorus, i.e. biological removal of phosphorus. Increase in the strength of wastewater enhanced denitrification without deterioration of BOD removal. Phosphorus removal, however, was deteriorated by insufficient sludge production. sequencing batch reactor, activated sludge, ten-years old full-scale plant, nitrogen removal, biological phosphorus removal This content is only available as a PDF. © IWA Publishing 1990 You do not currently have access to this content." @default.
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- W1565003003 title "Removal of Nutrients and BOD from Soybean Fermentation Wastewater in a Ten-Year-Old Sequencing Batch Reactor Activated Sludge Process" @default.
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