WASTEWATER QUANTITY AND QUALITY FLUCTUATION CHARACTERISTICS OF DRAINAGE SYSTEM IN TUANDAO, QINGDAO

NIU Yue; GAO Yi; WANG Di-di; ZHANG Jing-bing; CHEN Jia-bo; WANG Hong-chen

doi:10.13205/j.hjgc.202112003

Volume 39 Issue 12

Mar. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(12): 18-24

NIU Yue, GAO Yi, WANG Di-di, ZHANG Jing-bing, CHEN Jia-bo, WANG Hong-chen. WASTEWATER QUANTITY AND QUALITY FLUCTUATION CHARACTERISTICS OF DRAINAGE SYSTEM IN TUANDAO, QINGDAO[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 18-24. doi: 10.13205/j.hjgc.202112003

Citation:

NIU Yue, GAO Yi, WANG Di-di, ZHANG Jing-bing, CHEN Jia-bo, WANG Hong-chen. WASTEWATER QUANTITY AND QUALITY FLUCTUATION CHARACTERISTICS OF DRAINAGE SYSTEM IN TUANDAO, QINGDAO[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 18-24. doi: 10.13205/j.hjgc.202112003

Citation:

NIU Yue, GAO Yi, WANG Di-di, ZHANG Jing-bing, CHEN Jia-bo, WANG Hong-chen. WASTEWATER QUANTITY AND QUALITY FLUCTUATION CHARACTERISTICS OF DRAINAGE SYSTEM IN TUANDAO, QINGDAO[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(12): 18-24. doi: 10.13205/j.hjgc.202112003

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WASTEWATER QUANTITY AND QUALITY FLUCTUATION CHARACTERISTICS OF DRAINAGE SYSTEM IN TUANDAO, QINGDAO

doi: 10.13205/j.hjgc.202112003

1. Qingdao Water Group Drainage Co., Ltd, Qingdao 266002, China;
2. School of Environment & Natural Resources, Renmin University of China, Beijing 100872, China

Received Date: 2021-10-27
Available Online: 2022-03-30
Publish Date: 2022-03-30

Abstract

Abstract

The sewage flow and water quality indexes in the drainage pipe networks of three typical residential areas in the Tuandao region of Qingdao were monitored and measured for one year(from October 2019 to October 2020) to investigate the variation law of sewage flow and pollutants. The pollution production coefficient, variation coefficient, and correlation coefficient of the pollutants were calculated. The maximum daily pollutant concentration was mainly due to the low flow at night and pollutant deposition beginning at 7:00 am. At 7:00 am, the flow accelerated and scoured the pipe network, collecting high concentration pollutants. Pollutant fluctuation coefficients were observed less than 15%, indicating that the concentration was reasonably steady. The chemical oxygen demand(COD) pollution production coefficient was 108 g/(person·d), which was much higher than in the similar cities. The correlation coefficient between wastewater flow and COD, biochemical oxygen demand(BOD₅), and suspended solid(SS) was high and indicated a strong synergistic tendency. However, there was no significant link between NH₄⁺-N and total nitrogen(TN). This research provided an appropriate collection of data on the changing laws of wastewater flow and quality in the Qingdao Tuandao drainage system for process design and operation management of municipal wastewater treatment plants.
- drainage system,
- wastewater quality,
- wastewater flow,
- pollutants producing coefficient,
- correlation coefficient

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References(39)

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