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stormwater quality Characteristics and Reuse Analysis of Different Underlying Surfaces at Wanzhou North Station

Journal of Environmental & Earth Sciences 2022年第2期4卷 45-53页

作者： Shaochun Yuan Ting Li Qingwei Yang Shun You Tao He Bo Lv Key Laboratory of Hydraulic and Waterway Engineering of the Ministry of Education Chongqing Jiaotong UniversityChongqing400074China Chongqing Engineering Technology Research Center for Sponge City Construction Chongqing400020China Chongqing Academy of Science and Technology Chongqing401123China

In response to the water shortage in Wanzhou North Station(WNS),the authors investigated the stormwater quality characteristics with different underlying surfaces of WNS and carried out stormwater reuse analysis in conjunction with the InfoWorks ICM *** results show that during heavy,torrential,and moderate rainfall,the road stormwater runoff has the highest concentrations of pollutants,with an average EMC(event mean concentration)value of 206 mg/L for *** the square runoff,the average EMC values of COD,SS,TN,and TP are 108 mg/L,395 mg/L,2.113 mg/L,and 0.128 mg/L,in comparison,the average EMC values of the corresponding indexes for the roof runoff are 65 mg/L,212 mg/L,1.449 mg/L,and 0.086 mg/L,respectively,demonstrating their potential for *** R2(coefficient of determination)of SS and COD in both roof and square runoff are greater than 0.85,with a good correlation,indicating that SS removal is the key to stormwater *** ICM analysis shows that the recyclable volume of rainwater from WNS in 2018 is 29,410 m3,accounting for 61.8%of the total annual *** study is expected to provide an ideal reference for the stormwater management of public buildings in mountainous areas.

关键词： stormwater quality Underlying surface Recyclable rainfall stormwater utilization

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Urban stormwater disinfection, quality variability during storage and influence on the freshwater algae: Implications for reuse safety

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Journal of Environmental Sciences 2023年第2期124卷 655-666页

作者： Shanshan Fan Gang Wen An Liu College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060China Shaanxi Key Laboratory of Environmental Engineering Xi’an University of Architecture and TechnologyXi’an 710055China Water Science and Environmental Engineering Research Center College of Chemistry and Environmental EngineeringShenzhen UniversityShenzhen 518060China

stormwater reuse is one of the most important ways to mitigate water resource ***,urban stormwater contains many bacteria species,which threaten the reuse ***,stormwater disinfection is highly *** disinfection has been widely conducted in the drinking water and reclaimed water,it is rarely carried out for *** study collected the roof stormwater and undertook chlorination *** typical bacteria,Escherichia coli(***)and Staphylococcus aureus(***)were selected in this study to investigate the disinfection *** is found that bacteria species present in the stormwater had an important influence on disinfection efficiency while the original stormwater quality did not show an obvious ***,when the disinfected stormwater was stored,the stormwater quality was highly variable during its storage process and the variability was affected by bacteria *** *** containing stormwater showed a high variability of quality and *** significantly ***,the *** containing stormwater quality had a relatively low variability and *** did not significantly ***,it is noted that after storage,the dissolved form of stormwater was more positive to the freshwater algae’s growth while the particulate form(including bacteria and other particulate matters)was *** implies that a further treatment such as filtration is needed before the stored stormwater is recharged into receiving waters in order to remove particulate *** research outcomes can provide useful insight to effective stormwater disinfection and ensure reuse safety.

关键词： stormwater quality stormwater disinfection stormwater storage stormwater reuse Escherichia coli Staphylococcus aureus

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Factors influencing volatile hydrocarbon pollution in urban areas

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Emerging Contaminants 2019年第1期5卷 288-296页

作者： Buddhi Wijesiri An Liu Nian Hong Panfeng Zhu Bo Yang Xu Zhao Yuntao Guan Ashantha Goonetilleke College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen518060China Science and Engineering Faculty Queensland University of Technology(QUT)GPO Box 2434BrisbaneQld4001Australia Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation Shenzhen518060China Key Laboratory of DrinkingWater Science and Technology Research Centre for Eco-Environmental SciencesChinese Academy of SciencesBeijing100085China Guangdong Provincial Engineering Technology Research Centre for Urban Water Cycle and Water Environment Safety Graduate School at ShenzhenTsinghua University518055ShenzhenChina

Volatile hydrocarbons in urban environments pose significant risks to human and ecosystem health,resulting from wash-off into receiving waters during storm *** mitigation strategies require understanding of the significance of contributing factors to pollutant generation and their *** study employed Bayesian Network modelling to investigate how anthropogenic and environmental factors influence volatile hydrocarbons *** volatile hydrocarbons investigated were,benzene,toluene,ethylbenzene and xylene and *** volatile hydrocarbons showed statistically significant relationships with environmental factors rather than with anthropogenic ***,the research study found that anthropogenic factors could largely contribute to releasing volatile hydrocarbon into the urban environment,while environmental factors are likely to determine their *** research outcomes will contribute to improving stormwater quality modelling approaches and strengthen the assessment of risk associated with stormwater pollutants in order to enhance stormwater reuse.

关键词： Pollutant build-up Process variability stormwater quality stormwater pollutant processes Volatile hydrocarbons Urban stormwater pollution

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