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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2014.24.1.20

Membrane-Coupled Sequencing Batch Reactor System for the Advanced Treatment of Rural Village Sewage  

Kim, Seung-Geon (Department of Chemical and Biological Engineering, Jeju National University)
Lee, Ho-Won (Department of Chemical and Biological Engineering, Jeju National University)
Publication Information
Membrane Journal / v.24, no.1, 2014 , pp. 20-30 More about this Journal
Abstract
A membrane-coupled sequencing batch reactor (MSBR) was used for the advanced treatment of rural village sewage which is very low C/N ratio. The effect of powdered activated carbon, aeration rate, and external organic material loadings on the treatment efficiency and filtration performance were investigated in sequencing batch reactor, in which a flat-sheet type microfiltration membrane with a pore size of $0.4{\mu}m$ was submerged. At the initial operation (within 54 days) MLSS concentration, and the removal efficiencies of COD, T-N, and T-P were increased with the increase of C/N ratio. After 89 days the removal efficiencies of COD, T-N, and T-P were 97.1%, 75.0%, and 48.3%, respectively. Suspended solid-free effluent was obtained by membrane filtration. The T-P removal was relatively low because of depending on the amount of excess sludge wasting. During the operation of MSBR with powdered activated carbon, the particle size of the sludge reduced by the increase of collision frequency and mixing intensity. In comparison with MSBR without powdered activated carbon, TMP of MSBR with that was significantly elevated.
Keywords
membrane-coupled sequencing batch reactor; rural village sewage; powdered activated carbon; external organic carbon;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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