硫化物对污水处理厂硝化菌活性的抑制作用

蒋玲燕; 周振; 王英俊; 王诚; 方泉; 王罗春; 王荣生

环境工程学报

硫化物对污水处理厂硝化菌活性的抑制作用

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蒋玲燕, 周振, 王英俊, 王诚, 方泉, 王罗春, 王荣生. 硫化物对污水处理厂硝化菌活性的抑制作用[J]. 环境工程学报, 2012, 6(11): 4065-4068.

引用本文:

蒋玲燕, 周振, 王英俊, 王诚, 方泉, 王罗春, 王荣生. 硫化物对污水处理厂硝化菌活性的抑制作用[J]. 环境工程学报, 2012, 6(11): 4065-4068.

Jiang Lingyan, Zhou Zhen, Wang Yingjun, Wang Cheng, Fang Quan, Wang Luochun, Wang Rongsheng. Inhibitory effect of sulfide on nitrifying biomass activity in wastewater treatment plants[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4065-4068.

Citation:

Jiang Lingyan, Zhou Zhen, Wang Yingjun, Wang Cheng, Fang Quan, Wang Luochun, Wang Rongsheng. Inhibitory effect of sulfide on nitrifying biomass activity in wastewater treatment plants[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4065-4068.

硫化物对污水处理厂硝化菌活性的抑制作用

1.
上海城投污水处理有限公司,上海 201203
2.
上海电力学院能源与环境工程学院,上海 200090
基金项目:
上海市晨光计划项目(2011CG60)

上海市教委科研创新项目(12YZ137)

上海高校选拔优秀青年教师科研专项基金资助项目(sdl10020)
中图分类号: X703

Inhibitory effect of sulfide on nitrifying biomass activity in wastewater treatment plants

1.
Shanghai Chentou Wastewater Treatment Co. Ltd., Shanghai 201203, China
2.
School of Energy and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China
Fund Project:

摘要: 建于城市远郊区的污水处理厂由于长距离管道输送污水中通常含有一定浓度的硫化物。通过郊区和城区污水处理厂硝化菌最大比增长速率常数(μA)的测定和硫化物抑制实验研究了硫化物对硝化菌活性的影响。经测定,位于郊区的白龙港污水处理厂15、20和25℃下μA值分别为0.19 d-1、0.50 d-1和0.72 d-1,而15℃和20℃下位于市区的曲阳厂μA值分别为0.41 d-1和0.80 d-1。通过向曲阳厂污泥中加入硫化钠和氯化钠的实验发现,低浓度钠离子对硝化菌活性没有明显的抑制作用;而硫化物在曝气条件下直接与污泥接触对硝化菌活性几乎没有影响,但不曝气混合接触后再曝气则硝化菌μA值将下降50%左右。硫化物的抑制作用很可能是白龙港厂硝化菌μA值明显低于曲阳厂实测值和文献报道值的原因。
- 硫化物 /
- 硝化菌 /
- 抑制 /
- 污水处理
Abstract: The influent of wastewater treatment plants (WWTPs) located in exurban area usually contains a certain concentration of sulfide owing to the long pipeline transportation. The inhibitory impact of sulfide on nitrifying biomass was investigated by comparing the maximum specific growth rate constant (μA) of nitrifying biomass between urban and exurban WWTP, and conducting sulfide inhibition batch test. Determination results showed that μA values of the the Bailonggang WWTP in exurban area were 0.19 d-1, 0.50 d-1 and 0.72 d-1, respectively at 15℃, 20℃ and 25℃, while μA values of the Quyang WWTP in urban area were 0.41 d-1 and 0.80 d-1, respectively at 15℃ and 20℃. Batch tests with addition of Na2S and NaCl into activated sludge from the Quyang WWTP demonstrated that low-concentration Na+ had insignificant inhibitory effect on the activity of nitrifying biomass. The obtained results also indicated that nitrifying biomass was insensitive to the presence of sulfide under aerated exposure, but was inhibited by sulfide under unaerated exposure with μA value decreased about 50%. The inhibitory impact of sulfide on nitrifying biomass is probably the main reason of significantly lower μA value of the Bailonggang WWTP than that of the Quyang WWTP and reported μA values.
- sulfide /
- nitrifying biomass /
- inhibition /
- wastewater treatment

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蒋玲燕, 周振, 王英俊, 王诚, 方泉, 王罗春, 王荣生. 硫化物对污水处理厂硝化菌活性的抑制作用[J]. 环境工程学报, 2012, 6(11): 4065-4068.

引用本文:

蒋玲燕, 周振, 王英俊, 王诚, 方泉, 王罗春, 王荣生. 硫化物对污水处理厂硝化菌活性的抑制作用[J]. 环境工程学报, 2012, 6(11): 4065-4068.

Citation:

Jiang Lingyan, Zhou Zhen, Wang Yingjun, Wang Cheng, Fang Quan, Wang Luochun, Wang Rongsheng. Inhibitory effect of sulfide on nitrifying biomass activity in wastewater treatment plants[J]. Chinese Journal of Environmental Engineering, 2012, 6(11): 4065-4068.

硫化物对污水处理厂硝化菌活性的抑制作用

1. 上海城投污水处理有限公司,上海 201203
2. 上海电力学院能源与环境工程学院,上海 200090

收稿日期: 2011-09-16

基金项目:

上海市晨光计划项目(2011CG60)

上海市教委科研创新项目(12YZ137)

上海高校选拔优秀青年教师科研专项基金资助项目(sdl10020)

关键词:

硫化物 /
硝化菌 /
抑制 /
污水处理

摘要: 建于城市远郊区的污水处理厂由于长距离管道输送污水中通常含有一定浓度的硫化物。通过郊区和城区污水处理厂硝化菌最大比增长速率常数(μA)的测定和硫化物抑制实验研究了硫化物对硝化菌活性的影响。经测定,位于郊区的白龙港污水处理厂15、20和25℃下μA值分别为0.19 d-1、0.50 d-1和0.72 d-1,而15℃和20℃下位于市区的曲阳厂μA值分别为0.41 d-1和0.80 d-1。通过向曲阳厂污泥中加入硫化钠和氯化钠的实验发现,低浓度钠离子对硝化菌活性没有明显的抑制作用;而硫化物在曝气条件下直接与污泥接触对硝化菌活性几乎没有影响,但不曝气混合接触后再曝气则硝化菌μA值将下降50%左右。硫化物的抑制作用很可能是白龙港厂硝化菌μA值明显低于曲阳厂实测值和文献报道值的原因。

English Abstract

Inhibitory effect of sulfide on nitrifying biomass activity in wastewater treatment plants

1. Shanghai Chentou Wastewater Treatment Co. Ltd., Shanghai 201203, China
2. School of Energy and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China

Received Date: 2011-09-16

Fund Project:

Keywords:

Abstract: The influent of wastewater treatment plants (WWTPs) located in exurban area usually contains a certain concentration of sulfide owing to the long pipeline transportation. The inhibitory impact of sulfide on nitrifying biomass was investigated by comparing the maximum specific growth rate constant (μA) of nitrifying biomass between urban and exurban WWTP, and conducting sulfide inhibition batch test. Determination results showed that μA values of the the Bailonggang WWTP in exurban area were 0.19 d-1, 0.50 d-1 and 0.72 d-1, respectively at 15℃, 20℃ and 25℃, while μA values of the Quyang WWTP in urban area were 0.41 d-1 and 0.80 d-1, respectively at 15℃ and 20℃. Batch tests with addition of Na2S and NaCl into activated sludge from the Quyang WWTP demonstrated that low-concentration Na+ had insignificant inhibitory effect on the activity of nitrifying biomass. The obtained results also indicated that nitrifying biomass was insensitive to the presence of sulfide under aerated exposure, but was inhibited by sulfide under unaerated exposure with μA value decreased about 50%. The inhibitory impact of sulfide on nitrifying biomass is probably the main reason of significantly lower μA value of the Bailonggang WWTP than that of the Quyang WWTP and reported μA values.