{"id":11760,"date":"2021-12-06T11:18:48","date_gmt":"2021-12-06T10:18:48","guid":{"rendered":"https:\/\/agora.xtec.cat\/sesbagessud\/?p=11760"},"modified":"2021-12-17T20:14:50","modified_gmt":"2021-12-17T19:14:50","slug":"visita-a-la-depuradora-daigues-residuals-a-sant-fruitos-del-bages-1r-deso-2","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/sesbagessud\/general\/visita-a-la-depuradora-daigues-residuals-a-sant-fruitos-del-bages-1r-deso-2\/","title":{"rendered":"Visita a la depuradora d\u2019aig\u00fces residuals a Sant Fruit\u00f3s del Bages, 1r d\u2019ESO"},"content":{"rendered":"

#parcdelasequia<\/p>\n

L\u2019alumnat de 1r d\u2019ESO ha anat a la depuradora d\u2019aig\u00fces residuals de Sant Fruit\u00f3s del Bages. En la depuradora s\u2019explica el proc\u00e9s de depuraci\u00f3 biol\u00f2gica de les aig\u00fces residuals, des de la claveguera fins a l\u2019obtenci\u00f3 de compost per a fertilitzar s\u00f2ls amb els fangs resultants.<\/p>\n

La primera part de la visita segueix la \u201cl\u00ednia d\u2019aigua\u201d: reixes, dessorrador-desgreixador, decantaci\u00f3 prim\u00e0ria, tractament biol\u00f2gic, decantaci\u00f3 secund\u00e0ria i abocament al riu. A continuaci\u00f3 seguim la \u201cl\u00ednia de fangs\u201d, que \u00e9s el tractament dels fangs retirats de l\u2019aigua en els decantadors i que consisteix en: espessiment, digesti\u00f3 anaer\u00f2bica, assecatge i compostatge. El que surt d\u2019aquestes instal\u00b7lacions \u00e9s aigua depurada i adob per a fertilitzar els s\u00f2ls, per tant, \u00e9s un bon exemple d\u2019actuaci\u00f3 correctora de l\u2019impacte de l\u2019activitat humana sobre el medi.<\/p>\n\r\n\t

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