UNESCO/IHE - Photo-activated sludge process

UNESCO/IHE - Photo-activated sludge process

Wastewater treatment by the Photo-activated sludge process combines the advantages of the conventional activated sludge process with those of high rate algae ponds.

In such a symbiotic ecosystem, a consortia of algae and bacteria in well-settling flocs efficiently removes and recovers nitrogen and phosphorous at much lower energy inputs and land requirements than other competing technologies.

Locations: Israel, USA, Zimbabwe, Global, Netherlands
Contact: Peter van der Steen (p.vandersteen@unesco-ihe.org)

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