Grey Water Recycling

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This is an unedited manuscript accepted for publication and provided as an Article in Press for early access at the author’s request. The article will undergo copyediting, typesetting, and galley proof review before final publication. Please be aware that errors may be identified during production that could affect the content. All legal disclaimers of the journal apply.

Year : 2026 | Volume : 13 | Issue : 01 | Page :
    By

    Mahadik S. K*,

  • Krushna K. Kapse,

  • Vishal V. Gaikwad,

  • Ganesh B. Chikane,

  • Swarup V. Salunkhe,

  1. Assistant Professsor, Department of Mechanical Engineering, Rajgad Technical Campus, Dhangawadi, Pune, Maharashtra, India
  2. Student, Department of Civil Engineering, Rajgad Technical Campus, Dhangawadi, Pune, Maharashtra, India
  3. Student, Department of Civil Engineering, Rajgad Technical Campus, Dhangawadi, Pune, Maharashtra, India
  4. Student, Department of Civil Engineering, Rajgad Technical Campus, Dhangawadi, Pune, Maharashtra, India
  5. Student, Department of Civil Engineering, Rajgad Technical Campus, Dhangawadi, Pune, Maharashtra, India

Abstract

Domestic grey water recycling and reuse in residential buildings have been comprehensively examined. It is estimated that recoverable grey water can account for approximately 35% to 40% of total household water demand, highlighting its substantial potential to reduce freshwater consumption in domestic settings. A comprehensive worldwide review of grey water recycling and reuse practices has been reported, highlighting the increasing importance of sustainable water management in both developed and developing countries. In many situations, light greywater generated from bathroom sinks, bathtubs, and showers can be reused for garden irrigation with only minimal treatment, as it typically contains relatively low levels of contaminants. However, dark grey water from laundry, dishwashers, and, in some instances, kitchen sinks contains higher levels of organic matter, detergents, oils, and suspended solids, requiring simple treatment before reuse in non-potable applications such as toilet flushing, gardening irrigation, floor cleaning, and car washing. Despite its immense potential, the application of grey water recycling systems remains largely unexplored at the residential level because affordable and efficient treatment technologies for small-scale domestic use are still limited. In the present study, several filtration methods were employed to enhance grey water quality, including micron filtration, mineral sand filtration, and activated carbon treatment, each playing a vital role in removing suspended particles, odors, and dissolved contaminants. Multi-stage water analysis was performed to assess the effectiveness of the treatment system in removing impurities from grey water. The results demonstrated considerable improvement in water quality parameters, suggesting that treated grey water can be effectively reused for various household purposes. Adoption of grey water recycling systems can contribute significantly toward water conservation, environmental sustainability, and reduction in household water bills.

Keywords: environmental sustainability, water conservation, water quality, environmental sustainability, household water bills

[This article belongs to Journal of Water Pollution & Purification Research ]

How to cite this article:
Mahadik S. K*, Krushna K. Kapse, Vishal V. Gaikwad, Ganesh B. Chikane, Swarup V. Salunkhe. Grey Water Recycling. Journal of Water Pollution & Purification Research. 2026; 13(01):-.
How to cite this URL:
Mahadik S. K*, Krushna K. Kapse, Vishal V. Gaikwad, Ganesh B. Chikane, Swarup V. Salunkhe. Grey Water Recycling. Journal of Water Pollution & Purification Research. 2026; 13(01):-. Available from: https://journals.stmjournals.com/jowppr/article=2026/view=241677


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Regular Issue Subscription Original Research
Volume 13
Issue 01
Received 13/04/2026
Accepted 27/04/2026
Published 29/04/2026
Publication Time 16 Days
1

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