https://padlet.com/paulafreitas/6fqcdz9fws2457i Etapas do tratamento de água em uma ETA en-us 2020-08-04 20:34:01 UTC 2025-11-18 19:36:50 UTC hello@padlet.com https://padlet.net/icons/png/1f6b0.png paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463057 Ao chegar na ETA, o sulfato de alumínio (coagulante) é adicionado à água para agregar as partículas. ]]> 2020-08-04 20:35:14 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463057 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463504 A água com sujeira permanece em repouso, e os flocos se acumulam no fundo do tanque. ]]> 2020-08-04 20:35:32 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463504 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463622 A água que escoa da superfície do tanque de decantação passa por camadas de areia, cascalho e carvão que vão reter as partículas sólidas. ]]> 2020-08-04 20:35:40 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463622 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463733 O cloro é adicionado para matar microrganismos. Também chamada de desinfecção. ]]> 2020-08-04 20:35:48 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463733 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463801 Por último o flúor também é adicionado à água para evitar cáries na população. Daqui segue para ser distribuída à população]]> 2020-08-04 20:35:54 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669463801 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669466224 2020-08-04 20:38:48 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669466224 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669468153 2020-08-04 20:41:04 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669468153 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669660669 As partículas se agregam e formam flocos. ]]> 2020-08-05 01:14:41 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/669660669 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/676144365 2020-08-11 18:46:01 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/676144365 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/796741283 2020-10-02 01:21:26 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/796741283 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/1706832834 2021-08-31 10:51:34 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/1706832834 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/1729336880 2021-09-09 22:59:43 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/1729336880 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/1738896555 2021-09-14 09:18:08 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/1738896555 paulafreitas https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/2335057330 2022-10-11 10:56:55 UTC https://padlet.com/paulafreitas/6fqcdz9fws2457i/wish/2335057330