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Articles tagged with: sand

‘Super Sand’ To Clean Up Dirty Drinking Water

Contaminated water can be cleaned much more effectively using a novel, cheap material, say researchers. Dubbed “super sand”, it could become a low-cost way to purify water in the developing world.

The technology involves coating grains of sand in an oxide of a widely available material called graphite commonly used as lead in pencils.
The team describes the work in the American Chemical Society journal Applied Materials and Interfaces.

The World Health Organization states that “just 60% of the population in Sub-Saharan African and 50% of the population in Oceania [islands in the tropical Pacific Ocean] use improved sources of drinking-water.”