Using Algae to Turn wastewater into drinking water

Turning wastewater into drinking water:

Wastewater can be converted into drinking water in an organic process starting with algae.

The algae remove ammonia, phosphate and nitrate, significantly reducing the pathogen load; a centrifuge removes the algae; and an ultraviolet radiation system developed at EET kills any leftover pathogens. All that remains for clean, potable water is to adjust the pH level.

Source: https://www.rit.edu/showcase/index.php?id=167

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