Pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China

First flush is a common phenomenon in urban runoff pollution. Typical cement roof and asphalt road runoff in Beijing, China were monitored for 2 years. Based on the M(v) curve, the suspended solids (SS), chemical oxygen demand (COD), total phosphorus (TP) and particulate phosphorus in cement roof ru...

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Autores principales:	Wei Zhang, Juan Li, Huichao Sun, Wu Che
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	first flush road runoff roof runoff runoff pollution stormwater management Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/0607647d6c0d48dea9aecf09bda3dfe9
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spelling	oai:doaj.org-article:0607647d6c0d48dea9aecf09bda3dfe92021-11-06T11:07:54ZPollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China0273-12231996-973210.2166/wst.2021.157https://doaj.org/article/0607647d6c0d48dea9aecf09bda3dfe92021-06-01T00:00:00Zhttp://wst.iwaponline.com/content/83/11/2829https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732First flush is a common phenomenon in urban runoff pollution. Typical cement roof and asphalt road runoff in Beijing, China were monitored for 2 years. Based on the M(v) curve, the suspended solids (SS), chemical oxygen demand (COD), total phosphorus (TP) and particulate phosphorus in cement roof runoff presented a stronger first flush than those in asphalt road runoff. The first flush volume (VFF) of SS, COD, total nitrogen (TN) and TP in asphalt road runoff differed slightly from the cement roof. There were also differences in the first flush assessment depending on which method was used. We proposed a new method based on the runoff depth versus pollutant cumulative mass curve. According to the national standards in China (VFF = 3 mm), various masses of different pollutants, such as 91.42 ± 9.80% (cement roof) and 78.49 ± 19.41% (asphalt road) of SS and 86.85 ± 13.54% (cement roof) and 72.80 ± 25.79% (asphalt road) of COD, can be effectively controlled, but our mass control efficiencies were 55.91%–66.65% when VFF = 1 mm. The new method proposed in this study provides an alternative approach for assessing runoff pollution control efficiency of different VFF. HIGHLIGHTS SS, COD, TP and PP exhibited a stronger first flush in cement roof runoff than in asphalt road runoff by M(v) method.; VFF of SS, COD, TN and TP in asphalt road runoff differed slightly from the cement roof.; Differences were found in the first flush assessment results between M(v) and VFF methods.; A new method based on the runoff depth versus pollutant cumulative mass curve was proposed.;Wei ZhangJuan LiHuichao SunWu CheIWA Publishingarticlefirst flushroad runoffroof runoffrunoff pollutionstormwater managementEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 83, Iss 11, Pp 2829-2840 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	first flush road runoff roof runoff runoff pollution stormwater management Environmental technology. Sanitary engineering TD1-1066
spellingShingle	first flush road runoff roof runoff runoff pollution stormwater management Environmental technology. Sanitary engineering TD1-1066 Wei Zhang Juan Li Huichao Sun Wu Che Pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China
description	First flush is a common phenomenon in urban runoff pollution. Typical cement roof and asphalt road runoff in Beijing, China were monitored for 2 years. Based on the M(v) curve, the suspended solids (SS), chemical oxygen demand (COD), total phosphorus (TP) and particulate phosphorus in cement roof runoff presented a stronger first flush than those in asphalt road runoff. The first flush volume (VFF) of SS, COD, total nitrogen (TN) and TP in asphalt road runoff differed slightly from the cement roof. There were also differences in the first flush assessment depending on which method was used. We proposed a new method based on the runoff depth versus pollutant cumulative mass curve. According to the national standards in China (VFF = 3 mm), various masses of different pollutants, such as 91.42 ± 9.80% (cement roof) and 78.49 ± 19.41% (asphalt road) of SS and 86.85 ± 13.54% (cement roof) and 72.80 ± 25.79% (asphalt road) of COD, can be effectively controlled, but our mass control efficiencies were 55.91%–66.65% when VFF = 1 mm. The new method proposed in this study provides an alternative approach for assessing runoff pollution control efficiency of different VFF. HIGHLIGHTS SS, COD, TP and PP exhibited a stronger first flush in cement roof runoff than in asphalt road runoff by M(v) method.; VFF of SS, COD, TN and TP in asphalt road runoff differed slightly from the cement roof.; Differences were found in the first flush assessment results between M(v) and VFF methods.; A new method based on the runoff depth versus pollutant cumulative mass curve was proposed.;
format	article
author	Wei Zhang Juan Li Huichao Sun Wu Che
author_facet	Wei Zhang Juan Li Huichao Sun Wu Che
author_sort	Wei Zhang
title	Pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China
title_short	Pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China
title_full	Pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China
title_fullStr	Pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China
title_full_unstemmed	Pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China
title_sort	pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in beijing, china
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/0607647d6c0d48dea9aecf09bda3dfe9
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_version_	1718443711507988480

Pollutant first flush identification and its implications for urban runoff pollution control: a roof and road runoff case study in Beijing, China

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