Phytoremediation of dairy effluent by constructed wetland technology

被引：43

作者：

Dipu S. ^{[1
,2
]}

Kumar A.A. ^{[1
]}

Thanga V.S.G. ^{[1
]}

机构：

[1] Department of Environmental Sciences, University of Kerala, Thiruvananthapuram, Kerala

[2] Kerala State Biodiversity Board, Thiruvananthapuram, Kerala 695 024, Pallimukku, Pettah P.O.

来源：

The Environmentalist | 2011年 / 31卷 / 3期

关键词：

Biological oxygen demand; Chemical oxygen demand; Constructed wetlands; Dairy effluent; Macrophytes; Phytoremediation;

D O I：

10.1007/s10669-011-9331-z

中图分类号：

学科分类号：

摘要：

Constructed wetlands are artificial wastewater treatment systems consisting of shallow ponds or channels which have been planted with aquatic plants and which rely upon natural microbial, biological, physical and chemical process to treat wastewater and are gaining acceptance in the recent years as a viable option for the treatment of industrial effluents and removal of toxic components. In this study, an attempt was made to compare the efficiency of aquatic macrophytes like Typha sp., Eichhornia sp., Salvinia sp., Pistia sp., Azolla sp. and Lemna sp. to treat the effluents from dairy factory, under laboratory conditions in constructed wetlands. The biological oxygen demand and chemical oxygen demand of dairy effluent were reduced up to 65.4-83.07% and 70.4-85.3%, respectively, after treatment with constructed wetland technology. © 2011 Springer Science+Business Media, LLC.

引用

页码：263 / 278

页数：15

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