Treatment of saline wastewater by the activated sludge with nonwoven fabric separation |
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| Authors: | Byung-Hyun Moon Jong-Soo Heo Hyoung-Sub Choi |
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| Affiliation: | (1) Department of Environmental Emgineering, Chang-Won National University, Kyung Sang Nam-Do;(2) Department of Agricultural Chemistry, Kyung-Sang National University, Kyung Sang Nam-Do;(3) Provincial Government Institute of Health and Environment, Kyung Sang Nam-Do |
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| Abstract: | Direct membrane separation using nonwoven fabric was applied to saline wastewater treatment by an activated sludge process. A nonwoven fabric module was immersed in an aeration tank. The part of treated was filtered through the module by suction and the rest of that was separated by a settlingtank. Various F/M ratios and salt concentrations were applied to investigate stable flux as well as pollutant removal. The pollutant removal efficiencies of nonwoven fabric separation was not affected by F/M ratios and salt concentrations and was higher than that of settling tank separation. The decline in flux was seemed to be caused by the biofilm on nonwoven fabricsurface |
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| Keywords: | direct membrane separation saline wastewater teeatment nonwoven fabric |
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