Durante as aulas de Ciências, dentre as atividades trabalhadas, os alunos conheceram e realizaram as primeiras etapas de tratamento de água (gradeamento, desinfecção – adição de hipoclorito, floculação – adição de Cal, floculação – adição de sulfato de alumínio). Por meio da atividade, eles puderam entender como a floculação auxilia na limpeza da água e como o pH é importante para que a água seja considerada própria para o consumo humano. no images were found
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