Performance characterisation of a stormwater treatment bioretention basin

被引：109
作者：
Mangangka, Isri R. [1 ]
Liu, An [2 ,3 ]
Egodawatta, Prasanna [4 ]
Goonetilleke, Ashantha [4 ]
机构：
[1] Sam Ratulangi Univ, Fac Engn, Dept Civil Engn, Manado, Indonesia
[2] Tsinghua Univ, Grad Sch Shenzhen, Res Ctr Environm Engn & Management, Shenzhen 518055, Peoples R China
[3] Tsinghua Univ, Kyoto Univ, Cooperat Res & Educ Ctr Environm Technol, Shenzhen 518055, Peoples R China
[4] Queensland Univ Technol, Fac Sci & Engn, Brisbane, Qld 4001, Australia
来源：
JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2015年 / 150卷
关键词：
Bioretention basin; Stormwater treatment; Stormwater quality; Stormwater pollutant processes; Rainfall characteristics; POLLUTANT REMOVAL PERFORMANCE; BIOFILTRATION SYSTEMS; FIELD PERFORMANCE; WASH-OFF; MANAGEMENT; HYDROLOGY; QUALITY; RUNOFF; SCALE; MEDIA;
D O I：
10.1016/j.jenvman.2014.11.007
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Treatment performance of bioretention basins closely depends on hydrologic and hydraulic factors such as rainfall characteristics and inflow and outflow discharges. An in-depth understanding of the influence of these factors on water quality treatment performance can provide important guidance for effective bioretention basin design. In this paper, hydraulic and hydrologic factors impacting pollutant removal by a bioretention basin were assessed under field conditions. Outcomes of the study confirmed that the antecedent dry period plays an important role in influencing treatment performance. A relatively long antecedent dry period reduces nitrite and ammonium concentrations while increasing the nitrate concentration, which confirms that nitrification occurs within the bioretention basin. Additionally, pollutant leaching influences bioretention basin treatment performance, reducing the nutrients removal efficiency, which was lower for high rainfall events. These outcomes will contribute to a greater understanding of the treatment performance of bioretention basins, assisting in the design, operation and maintenance of these systems. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：173 / 178
页数：6
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