2013 Volume 7 Issue 4
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Wang Shunli, Shang Liping, Li Zhanfeng, Deng Hu, Liu Xianyong. Online monitoring system of anaerobic reactor in processes of transforming wastewater into resources[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1256-1260.
Citation: Wang Shunli, Shang Liping, Li Zhanfeng, Deng Hu, Liu Xianyong. Online monitoring system of anaerobic reactor in processes of transforming wastewater into resources[J]. Chinese Journal of Environmental Engineering, 2013, 7(4): 1256-1260.
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Online monitoring system of anaerobic reactor in processes of transforming wastewater into resources

  • 1.

    School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010,China

  • 2.

    School of Manufacturing Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China

  • Received Date: 25/07/2012
    Accepted Date: 18/02/2012
    Available Online: 09/04/2013
    Fund Project:
  • In order to overcome the hysteresis of current off-line state analysis of the anaerobic reactor, make full use of the resources and improve the status of wastewater discharge, an online monitoring system was studied in the process of transforming wastewater into resources based on fluorescence spectra. Tryptophan, riboflavin and coenzyme are taken as key monitoring components of the anaerobic reactor, the filter wheel are automatically located and flashes of the pulsed xenon lamp controlled. The fluorescence signals are collected by a photomultiplier tube. To deal with the mixed system of reaction products, the concept of quasi-three-dimensional fluorescence spectra, which transforms three-dimensional data into two-dimensional, was put forward and an optimized 3×3 fluorescence intensity matrix was obtained by optimizing the model parameters with partial least squares method. The three key process products in the reactor were detected online in real-time, added up and analyzed with a recovery ratio ranging from 85% to 112%.
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Online monitoring system of anaerobic reactor in processes of transforming wastewater into resources

  • Received Date: 25/07/2012
  • Accepted Date: 18/02/2012
  • Available Online: 09/04/2013
Fund Project:

Abstract: In order to overcome the hysteresis of current off-line state analysis of the anaerobic reactor, make full use of the resources and improve the status of wastewater discharge, an online monitoring system was studied in the process of transforming wastewater into resources based on fluorescence spectra. Tryptophan, riboflavin and coenzyme are taken as key monitoring components of the anaerobic reactor, the filter wheel are automatically located and flashes of the pulsed xenon lamp controlled. The fluorescence signals are collected by a photomultiplier tube. To deal with the mixed system of reaction products, the concept of quasi-three-dimensional fluorescence spectra, which transforms three-dimensional data into two-dimensional, was put forward and an optimized 3×3 fluorescence intensity matrix was obtained by optimizing the model parameters with partial least squares method. The three key process products in the reactor were detected online in real-time, added up and analyzed with a recovery ratio ranging from 85% to 112%.

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