Rumo à água limpa

Rumo à água limpa

Zineb Wardighi

66,85 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Química
ISBN:
9786209417528
66,85 €
IVA incluido
Disponible

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As águas residuais têm tendências e afinidades distintas, cuja identificação reflecte a origem da descarga. O tipo de águas residuais mais abundante é o doméstico (lavar, cozinhar, lavar roupa, águas sanitárias, etc.), o tipo mais nocivo é o das águas de válvula, fermentáveis e patogénicas, o das águas residuais industriais e, em proporções muito variáveis, o das águas pluviais. As águas residuais urbanas contêm sólidos, substâncias dissolvidas e microrganismos que, juntamente com os metais pesados, são as principais razões das restrições impostas à reutilização das águas residuais. Todas estas águas residuais domésticas, bem como as geradas pela indústria e pela agricultura, acabam nos rios e podem contribuir não só para a destruição da sua flora e fauna, mas também para a poluição dos aquíferos de onde o homem retira parte da sua água potável. É por isso que é fundamental tratar as águas residuais.

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