Evaluating the Usage of Sand Filtration for Greywater Treatment

Hegazy, Mohamed H; Sabry, Tarek Ismail; Moustafa, Hossam Hussein; Hassane, Mohamed Khaled

doi:10.21608/eijest.2025.367049.1326

	Evaluating the Usage of Sand Filtration for Greywater Treatment
The Egyptian International Journal of Engineering Sciences and Technology
Articles in Press, Accepted Manuscript, Available Online from 04 April 2025
Document Type: Original Article
DOI: 10.21608/eijest.2025.367049.1326
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Authors
Mohamed H Hegazy ¹; Tarek Ismail Sabry²; Hossam Hussein Moustafa³; Mohamed Khaled Hassane⁴
¹Faculty of Engineering, The British University in Egypt, Cairo, Egypt
²Faculty of Engineering, Ain Shams University
³Faculty of Engineering, Ain Shams, University
⁴Faculty of Engineering , The British University in Egypt
Abstract
The gap between water availability and demand is expanding worldwide over time. In Egypt, the water shortage has surpassed 40%, prompting the search for alternative sources to cover this deficit. Promoting sustainable water reuse and the reduction of the environmental impact of wastewater treatment are the main goals of finding a clean technology for greywater treatment. Evaluation process of a wastewater treatment system by conducting a physical pilot plant testing since performance under actual operating conditions needs to be evaluated; hence, optimization of the process can be made before full-scale implementation. Sand filtration process were applied to treat the collected wastewater from the university buildings and student dorms at the British university in Egypt. A depth filtration pilot plant of 110 litres was used with a fixed water head 80 cms. Experiments were conducted using the different filtrate flux rate and depths of sand filter media.. The optimum removal efficiency was achieved for a filtrate flux rate of 555 lit/m²/hrs and sand depth of 80 cms; values recorded were 78.65 and 80.03 % removal for chemical oxygen demand COD and total suspended solids TSS respectively.
Keywords
water Reuse; Greywater treatment; Filtration; Flux rate


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