Water conservation due to greywater treatment and reuse in urban setting with specific context to developing countries

Deepika Mandal, Pawan Labhasetwar, Shankar Dhone, Ajay Shankar Dubey, Gangadhar Shinde and Satish Wate

Resources, Conservation & Recycling, 2011, vol. 55, issue 3, 356-361

Abstract: In India, the per capita water availability is reducing day by day due to rapid growth in population and increasing water demand. Greywater treatment and reuse is one of the feasible options in developing countries like India to overcome this problem. A greywater collection, treatment and reuse system was designed and implemented in an urban household having a water requirement of 165liter per capita per day (lpcd) and a greywater generation rate of 80lpcd. An upflow–downflow greywater treatment plant having a screening, sedimentation, filtration and disinfection as major treatment processes was constructed and treated greywater is used for toilet flushing and to irrigate the vegetables in the backyard of the household. Greywater characterisation indicates that COD and BOD are sufficiently reduced during the treatment and there is also substantially reduction in Escherichia coli count. The payback period of this greywater treatment and reuse system is estimated to be 1.6 year.

Keywords: Design; Quantification; Water saving; Performance evaluation; Characteristics (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:recore:v:55:y:2011:i:3:p:356-361

DOI: 10.1016/j.resconrec.2010.11.001

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