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ZHAO Zhirui, FENG Aimin, WAN Jingmin, YAN Jiachen, XIE Qianqian, WU Huige, SHAN Baoqing. UASB treatment penicillin comprehensive wastewater and dynamic analysis at low temperature[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 4910-4916. doi: 10.12030/j.cjee.201610175
Citation: ZHAO Zhirui, FENG Aimin, WAN Jingmin, YAN Jiachen, XIE Qianqian, WU Huige, SHAN Baoqing. UASB treatment penicillin comprehensive wastewater and dynamic analysis at low temperature[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 4910-4916. doi: 10.12030/j.cjee.201610175
shu

UASB treatment penicillin comprehensive wastewater and dynamic analysis at low temperature

  • 1.

    College of Water Resources and Environment, Hebei Geo University, Shijiazhuang 050031, China

  • 2.

    Key Laboratory of Water Resources Sustainable Use and Development of Hebei, Shijiazhuang 050031, China

  • 3.

    Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

  • 4.

    Limited Liability Company of North China Pharmaceutical Group, Shijiazhuang 050015, China

  • Received Date: 11/12/2016
    Accepted Date: 27/10/2016
    Available Online: 26/08/2017
    Fund Project:
  • The up-flow anaerobic sludge bed reactor (UASB) is started by step-down temperature method and analyzed by the dynamic kinetics change. By increasing the COD loading of the input water gradually, the start-up of the UASB reactor at 25℃ was achieved and the COD removal rate was 70%. When the reactor was operated at lower temperature (20℃), the removal rate of COD was reduced to approximately 65%. At 25℃, the ammonia nitrogen concentration of effluent was increased, while the total nitrogen concentration increased initially and then followed by a decrease. At 20℃, the concentration of ammonia nitrogen was decreased and the concentration of total nitrogen was increased. The kinetic model of anaerobic treatment of high concentration organic wastewater under low temperature was established, showing that the substrate degradation rate of 20℃ was higher than that of 25℃, and the highest activity of anaerobic sludge was observed at 20℃. The reason was concluded that the concentration influent water at 25℃ was higher than that at 20℃ and that the wastewater contained a large number of inhibitory substances (inhibition of 1.1 mg·L-1) at 25℃, while at 20℃, the water concentration was decreased and the inhibitory substance in wastewater was also reduced (inhibition of 0.75 mg·L-1).
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UASB treatment penicillin comprehensive wastewater and dynamic analysis at low temperature

  • Received Date: 11/12/2016
  • Accepted Date: 27/10/2016
  • Available Online: 26/08/2017
Fund Project:

Abstract: The up-flow anaerobic sludge bed reactor (UASB) is started by step-down temperature method and analyzed by the dynamic kinetics change. By increasing the COD loading of the input water gradually, the start-up of the UASB reactor at 25℃ was achieved and the COD removal rate was 70%. When the reactor was operated at lower temperature (20℃), the removal rate of COD was reduced to approximately 65%. At 25℃, the ammonia nitrogen concentration of effluent was increased, while the total nitrogen concentration increased initially and then followed by a decrease. At 20℃, the concentration of ammonia nitrogen was decreased and the concentration of total nitrogen was increased. The kinetic model of anaerobic treatment of high concentration organic wastewater under low temperature was established, showing that the substrate degradation rate of 20℃ was higher than that of 25℃, and the highest activity of anaerobic sludge was observed at 20℃. The reason was concluded that the concentration influent water at 25℃ was higher than that at 20℃ and that the wastewater contained a large number of inhibitory substances (inhibition of 1.1 mg·L-1) at 25℃, while at 20℃, the water concentration was decreased and the inhibitory substance in wastewater was also reduced (inhibition of 0.75 mg·L-1).

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