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Lab-scale testing of a low-loaded activated sludge process with membrane filtration |
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| Authors: | Zuzana Jakub?ová Petr Hlavínek Miloslav Drtil Igor Bodík |
| Institution: | (1) Institute of Municipal Water Management, Faculty of Civil Engineering, Brno University of Technology, Žižkova 17, 602 00 Brno, Czech Republic;(2) Department of Environmental Engineering, Faculty of Food and Chemical Technology, Slovak University of Technology, Radlinského 9, 812 37 Bratislava, Slovakia |
| Abstract: | Two membrane bioreactors (MBRs; volume = 300 L) equipped with different types of immersed membrane modules were operated simultaneously under the same laboratory conditions as a low-loaded activated sludge process without any membrane regeneration and excess sludge uptake (sludge retention time SRT up to 170 d; activated sludge concentration MLSS up to 11 g L−1). The aim was to verify the quality of treated water and to study the properties of "very old" activated sludge. Another aim was to compare different selected membrane types and choose the best one for further pilot-scale testing. Presented at the 35th International Conference of the Slovak Society of Chemical Engineering, Tatranské Matliare, 26–30 May 2008. |
| Keywords: | activated sludge activity biomass growth sludge retention time membrane bioreactor membrane fouling sludge settling ability |
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