JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 27 Issue 2
March 2012
Article Contents
WEI Ming-bao, YE Chang-ming, REN Yi-gang, et al. The screen and characterization of a microbial flocculant-producing bacterium[J]. Journal of Light Industry, 2012, 27(2): 13-17. doi: 10.3969/j.issn.1004-1478.2012.02.004
Citation: WEI Ming-bao, YE Chang-ming, REN Yi-gang, et al. The screen and characterization of a microbial flocculant-producing bacterium[J]. Journal of Light Industry, 2012, 27(2): 13-17. doi: 10.3969/j.issn.1004-1478.2012.02.004 shu

The screen and characterization of a microbial flocculant-producing bacterium

  • Received Date: 2012-02-13
    Available Online: 2012-03-15
  • A strain with flocculation activity was screened from return activated sludge from secondary settling tank and was identified as Pseudomoas.The effects of flocculant producing from this strain on kaolin suspension were investigated.The results showed that the flocculation effect on 4.0 g/L kaolin suspension was the best when fermentation liquor pH was 7.0,bioflocculant dosage was 2.5%(V/V),coagulant aid CaCl2 dosage was 1.0 g/L and flocculation rate was 91.6%.The main components were protein,the active components of the flocculant mostly existed in deposition after centrifugation.
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