期刊
WATER SCIENCE AND TECHNOLOGY
卷 66, 期 4, 页码 719-727出版社
IWA PUBLISHING
DOI: 10.2166/wst.2012.228
关键词
filter media; hydraulic conductivity; pollutant treatment performance; stormwater harvesting; water quality; WSUD
资金
- Envirostream Solutions Pty Ltd
An experimental study was undertaken by Monash University to develop and test enviss (TM) stormwater treatment and harvesting technologies - non-vegetated filtration systems with an extremely low footprint. This paper focuses on the water quality and hydraulic performance of two systems tested over a 'year' of operation in a Melbourne climate: (1) REUSE enviss (TM) filters, designed for stormwater harvesting systems for non-potable supply substitution, and (2) WSUD enviss (TM) filters, developed to treat urban stormwater prior to discharge to downstream systems. The presence of chlorine as a disinfection agent proved to be very efficient for the removal of microorganisms in REUSE enviss (TM) filters. WSUD enviss (TM) filters had the benefit of providing an elevated nutrient treatment performance, due to an extended depth of filter media. However, nutrient outflow concentrations (total nitrogen (TN) in particular) were found to increase during the testing period. Also, extended dry weather periods were found to have a detrimental effect on the treatment performance of almost all pollutants for both filters (nutrients, Escherichia coli and heavy metals). Although hydraulic conductivity results indicated two or three sediment trap replacements per year are required to maintain filtration rates, it is expected that the compressed loading rate schedule overestimated this maintenance frequency.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据