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The Times of India
The Times of India
World
TOI World Desk

Polluted Stiebeuel River water transformed into irrigation supply using stones, sand and heat-treated wood; University of Cape Town project treats 36,000 litres daily and removes 99% of toxins

A simple combination of stones, sand and heat-treated wood is helping transform heavily polluted river water in South Africa into water clean enough to irrigate vegetable gardens and support food production in a growing informal settlement.

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