污水渗滤土地处理系统中水力停留时间与出水效果的讨论

何江涛; 段光杰; 张金炳; 汤鸣皋; 钟佐燊

Volume 27 Issue 2

Mar. 2002

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Article Navigation > Earth Science > 2002 > 27(2): 203-208

HE Jiang-tao, DUAN Guang-jie, ZHANG Jin-bing, TANG Ming-gao, ZHONG Zuo-shen, 2002. Discussion on Hydraulic Loading and Effluent Effect in Wastewater Infiltration land Treating Systems. Earth Science, 27(2): 203-208.

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Discussion on Hydraulic Loading and Effluent Effect in Wastewater Infiltration land Treating Systems

1.
China University of Mining and Technology, Beijing 100083, China
2.
Department of Water Resources and Environmental Engineering, China University of Geosciences, Beijing 100083, China

Received Date: 2001-10-28
Publish Date: 2002-03-25

Abstract

Abstract

In the wastewater infiltration land treating systems, the relation between hydraulic residence time and effects of effluent is directly associated with the relation between system scale and effects of effluent. The relation between pollutants' removals and hydraulic residence time following first order dynamic equation is commonly accepted. This paper further discusses this question from the point of microorganism increasing dynamics.Resultsshow that, strictly speaking, the relation between concentrations of different pollutants in effluent and hydraulic residence time is an analogous exponential relation, but actually, its curve shows a superposition of a straight line and a negative exponential curve, but not a pure negative exponential curve. Application results verify that, treating efficiency of different systems can be compared and evaluated by the first order rate constants, K_T. To improve the treating efficiency and reduce the land using and investment, we can adopt measures to improve the activities of microorganisms around the first order rate constants, K_T, integrated indexes reflecting the purifying capability of different systems.
- wastewater land treatment,
- hydraulic residence time,
- effect of effluent,
- first order dynamics.

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References(14)

References

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