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Tratamentos Biológicos<br />

Lagoa Estabilização<br />

Lagoas Aeradas<br />

Funcionamento – lagoa<br />

facultativa<br />

Fornecimento de O 2 – artificial<br />

(aeradores mecânicos)<br />

TDH entre 5 e <strong>10</strong> dias<br />

Menor requisito de área<br />

Requerimento de energia<br />

elétrica<br />

Retirada do lodo de fundo < 5<br />

anos<br />

44

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