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- Title
Small scale automated water disinfection system for rural areas.
- Authors
Heyi, M. H.; Patrissi, D.; Khan, B.
- Abstract
Most people in developing countries live in rural areas where getting clean, drinkable water is difficult. The hygienic state of the water supplies used for a drink is contaminated with pathogenic bacteria, protozoa, or viruses. Water quality at the point of delivery is not always optimal, and the amount of chlorine concentration in the water is not proportional to the water volume. The low amount of chlorine in the water makes re-contamination very likely to occur. Despite receiving well-treated water from supply reservoirs, the water storage tank (jerrycan) used for storing water at their home grows pathogens over time. Thus, the main goal of this research was to find a solution for giving people access to clean drinking water. This paper explains the measures taken to treat water by designing small-scale automated water disinfection systems for the rural community. The system disinfects the water with chlorine in an appropriate amount depending on the water volume without human intervention. A two-pilot village around Hawassa city was selected, and the water quality in 200 households was tested by measuring the content of the free residual chlorine. The test result is below average, and the societies in these villages are vulnerable to pathogenic diseases. However, after piloting the designed automated disinfection system, the water quality test showed a satisfactory result. Numerous microbiological tests carried out have shown a 99% decrease in coliforms if water is treated with the automated disinfection system.
- Subjects
WATER disinfection; RURAL geography; RESIDENTIAL water consumption; WATER supply; WATER storage; DRINKING water; VIRUS removal (Water purification)
- Publication
International Journal of Environmental Science & Technology (IJEST), 2023, Vol 20, Issue 11, p12025
- ISSN
1735-1472
- Publication type
Article
- DOI
10.1007/s13762-023-04760-9