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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2016> 25(3): 429-434
ZHANG Yan-ping. Characterization of polyhydroxyalkanoates synthesized in activated sludge using three carbon sources[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2016, 25(3): 429-434. doi: 10.15918/j.jbit1004-0579.201625.0317
Citation: ZHANG Yan-ping. Characterization of polyhydroxyalkanoates synthesized in activated sludge using three carbon sources[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2016, 25(3): 429-434.doi:10.15918/j.jbit1004-0579.201625.0317
shu

Characterization of polyhydroxyalkanoates synthesized in activated sludge using three carbon sources

doi:10.15918/j.jbit1004-0579.201625.0317

  • Department of Environmental Science and Engineering, Beijing Technology and Business University, Beijing 100048, China

  • Received Date:2015-04-20
    Abstract
  • Polyhydroxyalkanoates(PHAs) were synthesized in activated sludge using three types of carbon sources (sodium acetate,sodium propionate and sodium butyrate), and their characterization were studied. It was shown that the content of PHA synthesized by microorganisms in activated sludge were different. The biggest synthetic amount up to 36.7% of VSS was obtained when sodium acetate was used as carbon source. The polymer yield was lower when using sodium propionate as the carbon source than when using others, with 25.1% of VSS, while resulted in an increase of hydroxyvalerate(HV) units produced. The structure and thermal properties of extracted biopolymers were analyzed by scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR) and themo-gravimetry (TG).
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