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Title: Localized domestic wastewater treatment: Part I - Constructed wetlands (An overview)
Authors: Vasudevan, Padma
Griffin, Paul
Warren, Alan
Thapliyal, Alka
Tandon, Mamta
Keywords: Constructed wetland;Domestic wastewater;Macrophytes;Microorganisms;Nutrients
Issue Date: Aug-2011
Publisher: NISCAIR-CSIR, India
Abstract: Constructed wetlands (CW) are an alternative localized treatment technology suitable for reducing BOD, COD, NPK and pathogens to acceptable levels for subsequent use of treated water, especially for irrigation. Dissolved chemicals and heavy metal sare also reduced to an extent. CWs are extensively used in developed countries for secondary and tertiary treatment of domestic sewage and treatment of surface run off as well as industrial effluents. But CWs are yet to be commercialized in develop ingcountries. Also detailed mechanisms involved in the treatment, especially role of macrophytes and microorganisms, need to be understood. Precautions must be taken in the use of CWs to prevent proliferation of mosquitoes. This review presents prospects and problems in propagating CWs for different types of waste water, with special focus on domestic waste water treatment.
Page(s): 583-594
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.70(08) [August 2011]

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