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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Constructed Wetlands for Wastewater Treatment
verfasst von : Jan Vymazal, Margaret Greenway, Karin Tonderski, Hans Brix, Ülo Mander
Erschienen in: Wetlands and Natural Resource Management
Verlag: Springer Berlin Heidelberg
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Constructed wetlands have been used for wastewater treatment for nearly 40 years and have become a widely accepted technology available to deal with both point and non-point sources of water pollution. They offer a land-intensive, low-energy, and low-operational-requirements alternative to conventional treatment systems, especially for small communities and remote locations. Constructed wetlands also prove to be affordable tools for wastewater reclamation, especially in arid and semi-arid areas. Although the emission of N
2
O and CH
4
from constructed wetlands was found to be relatively high, their global influence is probably not significant.