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Updated: Aug 8, 2026

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities
Published on: December 25, 2015
[Comparison of sludge filtration characteristics between a membrane bioreactor and a conventional activated sludge
Bao-sheng Sun1, Hai-feng Zhang, Geng-shen Qi
1School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China.
Abstract:
According to the filtration characteristics of sludge, a comparison between a membrane bioreactor (MBR) and a conventional activated sludge process(CAS) was carried out under similar conditions. Experiment results show that the filtration resistance in MBR was 2 to approximately 3 times of that in CAS. The contribution of supernatant resistance to filtration resistance was about 90% both in CAS and in MBR. The test on resistance distribution showed the cake resistance made up 87.30% and 94.18% of total resistance in CAS and MBR, respectively.
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