Greywater treatment using horizontal, vertical and hybrid flow constructed wetlands

被引：16
|
作者：
Ramprasad, C. [1 ]
Philip, Ligy [1 ]
机构：
[1] Indian Inst Technol, Dept Civil Engn, Environm & Water Resource Engn Div, Madras 600036, Tamil Nadu, India
来源：
CURRENT SCIENCE | 2018年 / 114卷 / 01期
关键词：
Constructed wetlands; hybrid flow; horizontal flow; organics and nutrients; Phragmites australis; vertical flow; WASTE-WATER TREATMENT; PILOT-SCALE; REMOVAL; HOUSEHOLDS; NITROGEN; REUSE; MEDIA;
D O I：
10.18520/cs/v114/i01/155-165
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The performance evaluation of three pilot scale subsurface flow constructed wetlands (CW), i.e. horizontal flow (HFCW), vertical flow (VFCW) and a baffle type-hybrid (HYCW) was studied. The units were continuously fed with greywater and were planted with Phragmites australis. The inflow concentrations of BOD, COD, TSS, NO3, TP and FC were in the range of 72-120 mg/l, 216-320 mg/l, 224-320 mg/l 10.3-14.6 mg/l, 2.9-3.8 mg/l and 50-120 CFU/100 ml respectively. The average removal efficiencies of BOD, COD, TSS, TP, TN and FC in HYCW were 95 +/- 2%, 96 +/- 3%, 98 +/- 2%, 92 +/- 2%, 98 +/- 2% and 98 +/- 2% respectively and comparatively more than the other two constructed wetlands.
引用
收藏
页码：155 / 165
页数：11
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