Details zur Publikation

Referenztyp Zeitschriften
DOI / URL Link
Titel (primär) Helophyte mats (wetland roofs) with high evapotranspiration rates as a tool for decentralised rainwater management – process stability improved by simultaneous greywater treatment
Autor Zehnsdorf, A.; Blumberg, M.; Müller, R.A.;
Journal / Serie Water Supply
Erscheinungsjahr 2019
Department UBZ;
Band/Volume 19
Heft 3
Sprache englisch;
POF III (gesamt) T13;
Keywords decentralised rainwater management; greywater treatment; helophyte mat; helophyte-planted roof mats; root mat filter; wetland roofs
Abstract Redensification of the housing stock is also creating challenges for the drainage of wastewater and rainwater in existing sewer systems, particularly in growing cities. One alternative here is the evaporation of rainwater, which reduces hydraulic loads on sewers. Rainwater evapotranspiration using helophyte mats on building roofs is a possible approach. Helophytes are able to transpire considerably more rainwater than extensively planted green roofs. Other than conventional green roofs helophyte mats in the form of wetland roofs require a permanent water supply on a daily basis. Greywater application can be an additional advantage in terms of nutrient supply of the wetland roof after being treated microbiologically within the plant carrier mat. The treatment of greywater using a helophyte-planted roof can help to meet the water and nutrient requirements of the helophytes even during rain-free periods. However, it must be ensured that the root mat treats the greywater to a sufficient extent. It was shown under practical conditions that a 0.1 m-thick helophyte mat is suitable for treating typical domestic greywater at loads of up to 15 L m−2 d−1.
ID 21463
dauerhafte UFZ-Verlinkung http://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=21463
Zehnsdorf, A., Blumberg, M., Müller, R.A. (2019):
Helophyte mats (wetland roofs) with high evapotranspiration rates as a tool for decentralised rainwater management – process stability improved by simultaneous greywater treatment
Water Supply 19 (3), 808 - 814