Citation:
Pidou, M. & Memon, F.A. & Stephenson, T. & Jefferson, B. & Jeffrey, P. Greywater recycling: treatment options and applications, Institution Of Civil Engineers. Proceedings. Engineering Sustainability, Vol. 160, 2007, page 119-131
Abstract:
Wastewater is an immense resource which could have significant applications in
regions of water scarcity. Greywater has particular advantages in that it is a
large source with a low organic content. Through critical analysis of data from
existing greywater recycling applications this paper presents a review of
existing technologies and applications; collating a disparate information base
and comparing / contrasting the strengths and weaknesses of different
approaches. Findings suggest that simple technologies and sand filters have been
shown to achieve only a limited treatment of the greywater whereas membranes
were reported to provide good removal of the solids but could not efficiently
tackle the organic fraction. Alternatively, biological and extensive schemes
achieved good general treatment of greywater with a particularly good removal of
the organics. The best overall performances were observed within the schemes
combining different types of treatment to ensure effective treatment of all the
fractions.