Assessment of Combined Treatment of Landfill Urban Solid Waste Leachate and Sewage Using Danio rerio and Daphnia similis
2010
Mannarino, Camille F. | Ferreira, João Alberto | Moreira, Josino C. | Bila, Daniele M. | Magalhães, Danielly P.
The co-treatment from Morro do Céu landfill leachate with domestic sewage in the Icaraí STP was monitored with regard to the behavior of toxicity of its inflows and outflow. Leachate not exceeded 1.5% in volume in the plant. The acute ecotoxicological tests showed that, although leachate is far more harmful to D. rerio (LC50 ≈ 4) and D. similis (LC50 ≈ 5) than sewage (LC50 ≈ 62; LC50 ≈ 22), statistically the mixture of leachate with sewage did not result in a more toxic inflow (LC50 ≈ 57; LC50 ≈ 12) for treatment than raw sewage. After treatment, the outflow toxicity (LC50 ≈ 76; LC50 ≈ 16) complied with the environmental laws.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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