The implications of household greywater treatment and reuse for municipal wastewater flows and micropollutant loads

Revitt, D. Mike and Erikkson, Eva and Donner, Erica (2011) The implications of household greywater treatment and reuse for municipal wastewater flows and micropollutant loads. Water Research, 45 (4). pp. 1549-1560. ISSN 0043-1354

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Official URL: http://dx.doi.org/10.1016/j.watres.2010.11.027

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Abstract

An increasing worldwide interest in water recycling technologies such as greywater treatment and reuse suggests that additional research to elucidate the fate of xenobiotics during such practices would be beneficial. In this paper, scenario analyses supported by empirical data are used for highlighting the potential fate of a selection of xenobiotic micropollutants in decentralised greywater treatment systems, and for investigation of the possible implications of greywater recycling for the wider urban water cycle. Potential potable water savings of up to 43% are predicted for greywater recycling based on Danish water use statistics and priority substance monitoring at a greywater treatment plant in Denmark. Adsorption represents an important mechanism for the removal of cadmium, nickel, lead and nonylphenol from influent greywater and therefore the disposal route adopted for the generated sludge can exert a major impact on the overall efficiency and environmental sustainability of greywater treatment.

Item Type:Article
Keywords (uncontrolled):Greywater treatment; Wastewater influent; Recycling; Priority substances; Scenario analyses; Sludge disposal;
Research Areas:School of Science and Technology > Natural Sciences
Citations on ISI Web of Science:1
ID Code:9263
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Deposited On:30 Jul 2012 06:46
Last Modified:13 May 2014 15:50

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