Sewer ventilation and odor transport model for sanitary sewers
生活污水管道通风和臭气输送模型
基本信息
- 批准号:445346-2012
- 负责人:
- 金额:$ 6.32万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Collaborative Research and Development Grants
- 财政年份:2017
- 资助国家:加拿大
- 起止时间:2017-01-01 至 2018-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Our existing sanitary sewer systems have been designed to efficiently carry sewage flow without the consideration for air movement in sewer headspace. As a result, many municipalities are facing the nuisance of odor (foul air) releases from sewers. The odor, mainly hydrogen sulfide (H2S), is generated from sulfur or sulfate in sewage by bacteria in anaerobic condition. The H2S will release from sewage to sewer headspace air, and then be transported by the air flow inside the sewer systems. When the air in sewers is pressurized, H2S will leak into the atmosphere via openings such as manhole pickholes or catch basins in combined sewer systems. The odor of H2S is a nuisance to the public and substantially impacts the living quality of the communities close to release points. At a high concentration, it can also be toxic and responsible for sewer pipe corrosions. Municipalities have been working hard on sewer odor control but with limited successes due to the complexity of the issue. Four researchers from the University of Alberta will work closely with the City of Edmonton to develop sewer ventilation (air movement) and odor transport model. Laboratory experiments, numerical modeling and field monitoring will be carried out to study odor (H2S) generation and release in sewer systems, and hydraulic study on air entrainment in drop structures and by sewage flow with the consideration of air curtains and air jumpers. Computer model will be developed on sewer ventilation and odor transport, either as a stand-alone software or embedded as module in a commercial software such as Mike Urban. It will train a total of eight graduate students (2 PhD, 2 M.Sc. and 4 MEng students), as well as two post-doctoral fellows, to work on the important topic related to our infrastructural renewal. The proposed study will provide a useful tool for municipalities on designing sewer ventilation and odor control strategies, as well as retrofitting existing sewer systems and their future design.
我们现有的下水道系统在设计上可以有效地输送污水,而不考虑下水道顶部空间的空气流动。因此,许多城市面临着下水道释放的气味(污浊空气)的滋扰。恶臭主要是由污水中的硫或硫酸盐在厌氧条件下由细菌产生的,主要是硫化氢(H2S)。H2S将从污水中释放到下水道顶部空间空气中,然后通过下水道系统内的气流进行运输。当下水道中的空气被加压时,H2S将通过开口(如下水道联合系统中的人孔或集水池)泄漏到大气中。H2S的气味对公众造成滋扰,并严重影响排放点附近社区的生活质量。在高浓度下,它还可能有毒并导致下水道管道腐蚀。政府一直在努力控制下水道气味,但由于问题的复杂性,成功有限。来自阿尔伯塔大学的四名研究人员将与埃德蒙顿市密切合作,开发下水道通风(空气流动)和气味传输模型。将进行实验室实验、数值模拟和现场监测,以研究下水道系统中气味(H2S)的产生和释放,以及考虑空气幕和空气跳线的水滴结构和污水流中空气夹带的水力学研究。计算机模型将开发下水道通风和气味传输,无论是作为一个独立的软件或嵌入作为模块在商业软件,如迈克城市。它将培养总共8名研究生(2名博士,2名硕士和4名工程硕士),以及2名博士后研究员,从事与我们的基础设施更新有关的重要课题。拟议的研究将为市政当局设计下水道通风和气味控制策略以及改造现有下水道系统及其未来设计提供有用的工具。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Zhu, David其他文献
Comparing the Use of a Mobile App and a Web-Based Notification Platform for Surveillance of Adverse Events Following Influenza Immunization: Randomized Controlled Trial.
- DOI:
10.2196/39700 - 发表时间:
2023-05-08 - 期刊:
- 影响因子:8.5
- 作者:
Bota, A. Brianne;Bettinger, Julie A.;Sarfo-Mensah, Shirley;Lopez, Jimmy;Smith, David P.;Atkinson, Katherine M.;Bell, Cameron;Marty, Kim;Serhan, Mohamed;Zhu, David;McCarthy, Anne E.;Wilson, Kumanan - 通讯作者:
Wilson, Kumanan
Shallow slope stability evolution during rainwater infiltration considering soil cracking state
- DOI:
10.1016/j.compgeo.2019.103285 - 发表时间:
2020-01-01 - 期刊:
- 影响因子:5.3
- 作者:
Zhang, Jian;Zhu, David;Zhang, Shihua - 通讯作者:
Zhang, Shihua
A combined dataset of human cerebrospinal fluid proteins identified by multi-dimensional chromatography and tandem mass spectrometry
- DOI:
10.1002/pmic.200600756 - 发表时间:
2007-02-01 - 期刊:
- 影响因子:3.4
- 作者:
Pan, Sheng;Zhu, David;Zhang, Jing - 通讯作者:
Zhang, Jing
A Mathematical Model for Neuronal Activity and Brain Information Processing Capacity
神经元活动和大脑信息处理能力的数学模型
- DOI:
10.1109/icassp49357.2023.10095567 - 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
Zheng, Yu;Zhu, David;Ren, Jian;Liu, Taosheng;Friston, Karl;Li, Tongtong - 通讯作者:
Li, Tongtong
Zhu, David的其他文献
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{{ truncateString('Zhu, David', 18)}}的其他基金
Dynamics of Air/Water Two-phase Flows in Environmental Hydraulics
环境水力学中空气/水两相流的动力学
- 批准号:
RGPIN-2016-03818 - 财政年份:2021
- 资助金额:
$ 6.32万 - 项目类别:
Discovery Grants Program - Individual
Sewer odour generation and mitigation in Edmonton's sewer systems
埃德蒙顿下水道系统中下水道气味的产生和缓解
- 批准号:
506202-2016 - 财政年份:2021
- 资助金额:
$ 6.32万 - 项目类别:
Collaborative Research and Development Grants
Sediment and nutrient transport and fate in stormwater wet ponds and constructed wetlands
暴雨湿池和人工湿地中的沉积物和养分输送及归宿
- 批准号:
506201-2016 - 财政年份:2021
- 资助金额:
$ 6.32万 - 项目类别:
Collaborative Research and Development Grants
NSERC Industrial Research Chair in Urban Drainage
NSERC 城市排水工业研究主席
- 批准号:
517739-2016 - 财政年份:2021
- 资助金额:
$ 6.32万 - 项目类别:
Industrial Research Chairs
Sediment and nutrient transport and fate in stormwater wet ponds and constructed wetlands
暴雨湿池和人工湿地中的沉积物和养分输送及归宿
- 批准号:
506201-2016 - 财政年份:2020
- 资助金额:
$ 6.32万 - 项目类别:
Collaborative Research and Development Grants
Possibility and Risk of COVID-19 Virus Transport via Bioaerosols in Building Plumbing and Municipal Drainage Systems
COVID-19 病毒在建筑管道和市政排水系统中通过生物气溶胶传播的可能性和风险
- 批准号:
555264-2020 - 财政年份:2020
- 资助金额:
$ 6.32万 - 项目类别:
Alliance Grants
NSERC Industrial Research Chair in Urban Drainage
NSERC 城市排水工业研究主席
- 批准号:
517739-2016 - 财政年份:2020
- 资助金额:
$ 6.32万 - 项目类别:
Industrial Research Chairs
Dynamics of Air/Water Two-phase Flows in Environmental Hydraulics
环境水力学中空气/水两相流的动力学
- 批准号:
RGPIN-2016-03818 - 财政年份:2020
- 资助金额:
$ 6.32万 - 项目类别:
Discovery Grants Program - Individual
Sewer odour generation and mitigation in Edmonton's sewer systems
埃德蒙顿下水道系统中下水道气味的产生和缓解
- 批准号:
506202-2016 - 财政年份:2020
- 资助金额:
$ 6.32万 - 项目类别:
Collaborative Research and Development Grants
Sediment and nutrient transport and fate in stormwater wet ponds and constructed wetlands
暴雨湿池和人工湿地中的沉积物和养分输送及归宿
- 批准号:
506201-2016 - 财政年份:2019
- 资助金额:
$ 6.32万 - 项目类别:
Collaborative Research and Development Grants
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