ANALYSIS OF RAINFALL RUNOFF POLLUTION CHARACTERISTICS OF DIFFERENT ROOF UNDERLYING SURFACES IN RESIDENTIAL AREAS OF TIANJIN

XIE Shangyu; QIU Chunsheng; ZHAO Xiaojia; WANG Chenchen; WANG Shaopo; SUN Liping; ZHAO Lejun; SONG Xiancai

doi:10.13205/j.hjgc.202201007

Volume 40 Issue 1

Mar. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(1): 38-45

XIE Shangyu, QIU Chunsheng, ZHAO Xiaojia, WANG Chenchen, WANG Shaopo, SUN Liping, ZHAO Lejun, SONG Xiancai. ANALYSIS OF RAINFALL RUNOFF POLLUTION CHARACTERISTICS OF DIFFERENT ROOF UNDERLYING SURFACES IN RESIDENTIAL AREAS OF TIANJIN[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(1): 38-45. doi: 10.13205/j.hjgc.202201007

Citation:

XIE Shangyu, QIU Chunsheng, ZHAO Xiaojia, WANG Chenchen, WANG Shaopo, SUN Liping, ZHAO Lejun, SONG Xiancai. ANALYSIS OF RAINFALL RUNOFF POLLUTION CHARACTERISTICS OF DIFFERENT ROOF UNDERLYING SURFACES IN RESIDENTIAL AREAS OF TIANJIN[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(1): 38-45. doi: 10.13205/j.hjgc.202201007

Citation:

XIE Shangyu, QIU Chunsheng, ZHAO Xiaojia, WANG Chenchen, WANG Shaopo, SUN Liping, ZHAO Lejun, SONG Xiancai. ANALYSIS OF RAINFALL RUNOFF POLLUTION CHARACTERISTICS OF DIFFERENT ROOF UNDERLYING SURFACES IN RESIDENTIAL AREAS OF TIANJIN[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(1): 38-45. doi: 10.13205/j.hjgc.202201007

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ANALYSIS OF RAINFALL RUNOFF POLLUTION CHARACTERISTICS OF DIFFERENT ROOF UNDERLYING SURFACES IN RESIDENTIAL AREAS OF TIANJIN

doi: 10.13205/j.hjgc.202201007

1. School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China;
2. Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin 300384, China;
3. Municipal Engineering Design and Research Institute of Nanjing Co., Ltd, Nanjing 210008, China;
4. Tianjin Municipal Engineering Design and Research Institute, Tianjin 300384, China

Received Date: 2021-05-06
Available Online: 2022-03-30
Publish Date: 2022-03-30

Abstract

Abstract

The characteristics of the rainfall runoff pollution and the first flush effect of pollutants on the underlying surfaces of typical roofing materials(asphalt, plastic steel and cement tile) in the residential areas of Tianjin were investigated, and the distribution of particles and the occurrence forms of main pollutants in rainfall runoff from roofs of different materials were also analyzed. The results of the event mean concentration(EMC) analysis showed that SS and COD were the main pollutants in rainfall runoff. The order of pollution degree of rainfall runoff was asphalt roof > cement tile roof > plastic steel roof. The main carriers of pollutants in rainfall runoff were particulate matters, which were closely related with COD and TP. The first flush phenomenon was found in different roof runoffs, among them the plastic steel roof showed higher correlation with the Sartor-Boyd model. The particle size distribution of particulate pollutants in the runoffs were mainly influenced by the rainfall and rainfall intensity. The main particulate pollutants were distributed in particles diameter range of 10~100 μm, accounting for 60%~75% of the total volume. 86%~92% of COD and 90%~95% of TP were mainly existed in the granular form, while 50%~65% of nitrogen was mainly existed in the dissolved form in rainfall runoff from different roofs.
- rainfall runoff,
- underlying surface,
- pollution characteristic,
- first flush effect,
- particles

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References(35)

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