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KMID : 1024520020110030209
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Journal of the Environmental Sciences
2002 Volume.11 No. 3 p.209 ~ p.214
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Characteristics of continuous operation of the anaerobic biofilm reactor
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Lee Seung-Lan
Kim Do-Han
Na Young-Soo
Lee Chang-Han
Park Young-Seek
Yoon Tae-Kyung
Song Seung-Koo
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Abstract
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The lab-scale anaerobic continuous reactor which was filled with the sludge of anaerobic digestion from Suyoung wastewater treatment plant was operated by feeding of various concentrations and flow rates. This experiment indicated that more than 6,870 mgCOD/L of substrate concentration was required to promote good metabolism and growth of anaerobic biomass. And increasing loading rate slowly was also required in order to treat substrate of higher concentration and higher loading rate. The substrate concentration of about 10,000 mgCOD/L was adequate to generate biogas efficiently. The pH was sharply decreased at the onset of higher leading rate, but the pH was restabilized soon at 8. During the experiment, the amount of the attached biomass was kept constant.
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