What does advanced treatment of water mean?

advanced treatment of water meaning in Law Dictionary

guideline that states pollution should be paid down 85percent before its reintroduction in to the environment.


advanced treatment of water meaning in Business Dictionary

Purification that needs higher than 85 % decrease in conventional pollutants (such as for example sewage) and a substantial reduction in non-conventional toxins (such as for example ammonia, nitrogen, phosphorous).