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Evaluation of custom-made and commercial greywater treatment systems: a case study from Oman
This paper reports a study to evaluate two types of greywater treatment systems; commercial and custom-made. Commercial greywater treatment systems are expensive for small quantities. Therefore, a cost-effective, low maintenance treatment system was designed to collect, treat and re-use ablution wat...
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Published in: | International journal of environmental studies 2008-02, Vol.65 (1), p.33-40 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | This paper reports a study to evaluate two types of greywater treatment systems; commercial and custom-made. Commercial greywater treatment systems are expensive for small quantities. Therefore, a cost-effective, low maintenance treatment system was designed to collect, treat and re-use ablution water from small- to medium-sizes mosques. The system included a sand trap, an ablution water collection tank, a filtration unit, chlorination chute, and treated water collection tank. Treatment and re-use was automated using submersible pumps and timers. The study revealed that both the commercial and custom-made systems were capable of treating greywater to satisfy relevant government regulations in Oman. The financial analysis showed that the internal rate of return (IRR) for custom-made and the commercial systems for the mosques were 14.9% and 19.06% respectively. IRR for the commercial system at private house was −1.44%. Costs of the systems and the amount of greywater treated were the main factors affecting the IRR. |
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ISSN: | 0020-7233 1029-0400 |
DOI: | 10.1080/00207230701832697 |