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Rotating biological contactors and constructed wetlands are best suited for greywater treatment. When greywater is reused, hygienic aspects have to be considered.
MUELLEGGER, E. ; LANGERGRABER, G. ; JUNG, H. ; STARKL, M. ; LABER, J. (2003): Potentials for greywater treatment and reuse in rural areas. In: Proceedings of the 2nd international symposium on ecological sanitation – ecosan – closing the loop: Volume 1 , 799-802.