{"id":2103,"date":"2007-08-06T00:00:00","date_gmt":"2007-08-06T00:00:00","guid":{"rendered":"https:\/\/newsroom.ferrovial.com\/news\/el-secreto-las-lombrices\/"},"modified":"2022-12-21T11:54:13","modified_gmt":"2022-12-21T10:54:13","slug":"el-secreto-las-lombrices","status":"publish","type":"new","link":"https:\/\/newsroom.ferrovial.com\/es\/noticias\/el-secreto-las-lombrices\/","title":{"rendered":"El secreto: Las lombrices"},"content":{"rendered":"    <section class=\"wysiwyg text-editor \" id=\"\">\n        <div class=\"container container--narrow container--p-10\">\n            <p>(El mundo.es) &#8211; El procedimiento habitual de depuraci\u00f3n de aguas residuales y desechos industriales mediante la aplicaci\u00f3n de compuestos de cloro resulta da\u00f1ina para el medio ambiente. Pero, adem\u00e1s, es un proceso caro. En Chile una empresa ha encontrado un mecanismo para lograr una depuraci\u00f3n natural.<\/p>\n<p>Los desechos s\u00f3lidos son arrojados a una piscina, y regados con las mismas aguas residuales y un peque\u00f1o \u00abej\u00e9rcito\u00bb de lombrices. \u00c9stas se alimentan de muchos organismos; pero, al mismo tiempo, excavan la tierra permitiendo la entrada de ox\u00edgeno y la generaci\u00f3n de m\u00e1s microbios. El agua residual nutre este peque\u00f1o ecosistema hasta que alcanza su completa degradaci\u00f3n.<\/p>\n<p>En declaraciones a BBC, Alex Villagra, ingeniero de Biofiltro, describe el proceso del siguiente modo: \u00abLa lombriz est\u00e1 encargada de mantener la flora bacteriana activa y de degradar toda la materia org\u00e1nica. Todos los s\u00f3lidos mayores que vengan son retenidos por la capa\u00bb.<\/p>\n<p>La depuraci\u00f3n no es completa. Por un lado se obtiene humus, un excelente abono. Por otro lado, agua libre de contaminantes en un 95%. Es decir, aunque s\u00f3lo sea por ese restante 5% no es potable, aunque se emplea para el riego de jardines. No obstante, el beneficio es evidente, pues sin necesidad de utilizar ning\u00fan producto qu\u00edmico se logra una casi completa limpieza de las aguas.<\/p>\n        <\/div>\n    <\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","nivel-2":[936],"nivel-5":[],"nivel-1":[],"nivel-3":[],"nivel-4":[],"class_list":["post-2103","new","type-new","status-publish","hentry","nivel-2-conservacion-del-medio-ambiente"],"acf":[],"yoast_head":"<title>El secreto: Las lombrices Sala de prensa Ferrovial | \u00daltimas noticias<\/title>\n<meta name=\"description\" content=\"Sala de prensa Ferrovial | \u00daltimas noticias\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/newsroom.ferrovial.com\/es\/noticias\/el-secreto-las-lombrices\/\" \/>\n<meta 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