Cape Town researchers convert polluted river into 36,000L daily irrigation water
Researchers at the University of Cape Town have developed a system that purifies heavily polluted water from South Africa's Stiebeuel River for agricultural use. The off-grid facility, called the Water Hub, processes approximately 36,000 litres of water per day using natural materials such as stones, sand, and heat-treated wood. The system eliminates around 99% of contaminants, making the water safe for irrigation. Residents of the Langrug community are directly benefiting by using the treated water to grow food. The project is also being viewed as a potential model for building climate resilience in water-scarce regions.
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