Grey water characterisation and its impact on the selection and operation of technologies for urban reuse

Characterisation of grey water reveals a source water that is similar in organic strength to a low-medium strength municipal sewage influent but with physical and biodegradability characteristics similar to a tertiary treated effluent. The characteristics of the water suggest biological processes ar...

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Bibliographic Details
Published in:Water science and technology 2004, Vol.50 (2), p.157-164
Main Authors: Jefferson, B, Palmer, A, Jeffrey, P, Stuetz, R, Judd, S
Format: Article
Language:English
Subjects:
Basins
Biodegradability
Biodegradation
Biodegradation, Environmental
Biological activity
Cities
Conservation of Natural Resources
Cost control
Effluent treatment
Effluents
Greywater
Influents
Municipal wastes
Municipal wastewater
Nitrogen
Nutrient deficiencies
Nutrient deficiency
Nutrients
Recycling centers
Sewage
Toilet facilities
Waste Disposal, Fluid - methods
Wastewater treatment
Water
Water Purification - methods
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Summary:Characterisation of grey water reveals a source water that is similar in organic strength to a low-medium strength municipal sewage influent but with physical and biodegradability characteristics similar to a tertiary treated effluent. The characteristics of the water suggest biological processes are the most suitable unit processes for treating grey water. The highly variable nature of the source requires that selected technologies must be inherently robust in their operation. One potential area of concern is the high COD/BOD ratio and nutrient deficiency in terms of both macro and micro nutrients which grey water exhibits potentially retard the efficacy of biological processes.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2004.0113