Essays about: "Ellen Ascard Edefell"
Found 1 essay containing the words Ellen Ascard Edefell.
University essay from Lunds universitet/Kemiteknik (CI)
Abstract : Nitrogen and phosphorous compounds are secreted by humans and treated in wastewater treatments plants. These substances are also found in agricultural fertilisers and needed for plant growth. Nutrient recycling is limited in conventional treatment systems and valuable products are lost. READ MORE