What are the main phases of the secondary treatment of sewage? I - Activated sludge processes. II - Stabilization ponds. III - Aerated lagoons. IV...
What are the main phases of the secondary treatment of sewage?
I - Activated sludge processes.
II - Stabilization ponds.
III - Aerated lagoons.
IV - Biological filters.
a) I and II are correct.
b) I, II, and III are correct.
c) I, III, and IV are correct.
d) II, III, and IV are correct.
I - Activated sludge processes.
II - Stabilization ponds.
III - Aerated lagoons.
IV - Biological filters.
a) I and II are correct.
b) I, II, and III are correct.
c) I, III, and IV are correct.
d) II, III, and IV are correct.
💡 1 Resposta
Ed 
A resposta correta é a alternativa c) I, III e IV estão corretas. As principais fases do tratamento secundário de esgoto são: processos de lodo ativado, lagoas de estabilização, lagoas aeradas e filtros biológicos.
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