基于节点水质监测的污水管网破损位置判定方法

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Abstract

The catchment scale assessment of sewer defect conditions based on physical or flow inspection method is usually very labour-intensive and even hard to perform. Therefore, a novel cost-effective method to locate groundwater infiltration into the sewers and accordingly assess the sewer network defect severity was presented, using chemical markers monitoring at pipe manholes and a geographical information system that integrates sewer network and discharged destinations of sewage sources. With acesulfame as the marker of sanitary sewage, the spatial groundwater infiltration into the sewers was investigated within the 14.4km² catchment served by a wastewater treatment plant in Chaohu City, Anhui Province. Based on that, the locations of serious sewer network defect were also identified. The quantified groundwater infiltration into the sewers using marker monitoring was comparable to the data from the catchment water flow balance and measured groundwater inflow of one typical sewer segment, with a relative error of 21.0% and 5.4% respectively. This indicated the developed method was reliable. It was found that one sewer segment covering only 0.3% of the total sewer length even contributed to 23.0% of the total infiltrated groundwater within the area. From this perspective, the repair of local serious sewer defect would obviously lower the defect grade of the whole sewer network. The basic principle to perform this method was finally suggested.

Key words： sewer network pipe defect marker species groundwater infiltration

Received: 18 April 2016

PACS:

X820

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	Articles by authors
	XU Zu-xin
	WANG Shi-jing
	YIN Hai-long
	LI Huai-zheng

Cite this article:

XU Zu-xin,WANG Shi-jing,YIN Hai-long等. Locating the sewer network defect based on marker investigation at pipe manholes[J]. CHINA ENVIRONMENTAL SCIENCECE, 2016, 36(12): 3678-3685.

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http://manu36.magtech.com.cn/Jweb_zghjkx/EN/ OR http://manu36.magtech.com.cn/Jweb_zghjkx/EN/Y2016/V36/I12/3678

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[1]	张厚强,尹海龙,金伟,等.分流制雨水系统混接问题的调研技术体系[J].中国给水排水,2008,24(14):95-98.
[2]	张珺.论排水管道的检测及评价方法[J].给水排水,2011,(S1):418-420.
[3]	Almeida M C,Brito R S.System diagnostics using flow data:Quantifying sources and opportunities for performance improvement[C]//Strecker E W,Huber W C.Proceedings of the 9th International Conference on Urban Drainage.Portland:American Society of Civil Engineers,2002:1-13.
[4]	吴文俊,管运涛,陈波,等.老城区排水系统效能诊断技术研究[J].中国给水排水,2010,26(20):59-63,68.
[5]	李田,周永潮,李贺,等.基于流量调查的分流制雨水系统诊断研究[J].中国给水排水,2007,23(7):1-5.
[6]	Kracht O,Gresch M,Gujer W.A stable isotope approach for the quantification of sewer infiltration[J].Environmental science&technology,2007,41(16):5839-5845.
[7]	Houhou J,Lartiges B S,France-Lanord C,et al.Isotopic tracing of clear water sources in an urban sewer:a combined water and dissolved sulfate stable isotopic approach[J].Water Research,2010,44(1):256-266.
[8]	徐祖信,汪玲玲,尹海龙.基于水质特征因子和Monte Carlo理论的雨水管网混接诊断方法[J].同济大学学报(自然科学版),2015,43(11):1715-1721.
[9]	尹海龙,徐祖信,李怀正,等.电子企业水质特征因子与雨污混接诊断研究[J].中国环境科学,2015,35(9):2713-2720.
[10]	徐祖信,汪玲玲,尹海龙,等.基于特征因子的排水管网地下水入渗分析方法[J].同济大学学报(自然科学版),2016,44(4):510-517.
[11]	王开然,郭芳,姜光辉,等.15N和18O在桂林岩溶水氮污染源示踪中的应用[J].中国环境科学,2014,34(9):2223-2230.
[12]	于志伟,孙红文,冯碧婷.人工甜味剂在污水处理厂和自来水厂的归趋[J].环境科学研究,2012,25(11):1250-1256.
[13]	Burger I J,Buser H R,Kahle M,et al.Ubiquitous occurrence of the artificial sweetener acesulfame in the aquatic environment:an ideal chemical marker of domestic wastewater in groundwater[J].Environmental Science and Technology,2009,43:4381-4385.
[14]	Tran N H,Hu J Y,Li J H,et al.Suitability of artificial sweeteners as indicators of raw wastewater contamination in surface water and groundwater[J].Water Research,2014,48:443-456.
[15]	王丹,隋倩,吕树光,等.黄埔江流域典型药物和个人护理品的含量及分布特征[J].中国环境科学,2014,34(7):1897-1904.
[16]	Duan Y P,Meng X Z,Wen Z H.Acidic pharmaceuticals in domestic wastewater and receiving water from hyperurbanization city of China (Shanghai):environmental release and ecological risk[J].Environmental Science Pollution Research,2013,20(1):108-116.
[17]	Xu Z X,Wang L L,Yin H L,et al.Source apportionment of non-storm water entries into storm drains using marker species:modeling approach and verification[J].Ecological Indicators,2016,61:546-557.
[18]	Scheurer M.,Brauch,H J,Lange F.Analysis and occurrence of seven artificial sweeteners in German wastewater and surface water and soil aquifer treatment (SAT)[J].Analytical and Bioanalytical Chemistry,2009,394:1585-1594.
[19]	Kafi M,Gasperi J,Moilleron R,et al.Spatial variability of the characteristics of combined wet weather pollutant loads in Paris[J].Water Research,2008,42:539-549.