{"id":48501,"date":"2018-06-20T19:00:54","date_gmt":"2018-06-20T22:00:54","guid":{"rendered":"http:\/\/patagoniambiental.com.ar\/info\/?p=48501"},"modified":"2018-06-19T09:52:32","modified_gmt":"2018-06-19T12:52:32","slug":"semillas-y-arena-una-manera-barata-y-eficaz-de-potabilizar-agua-para-millones-de-personas","status":"publish","type":"post","link":"https:\/\/patagoniambiental.com.ar\/info\/semillas-y-arena-una-manera-barata-y-eficaz-de-potabilizar-agua-para-millones-de-personas\/","title":{"rendered":"Semillas y arena: una manera barata y eficaz de potabilizar agua para millones de personas"},"content":{"rendered":"<div class=\"buttons-social-networks \">\n<div class=\"addthis_inline_share_toolbox_2q2o \" data-url=\"https:\/\/actualidad.rt.com\/actualidad\/276508-nueva-manera-barata-efectiva-potabilizar-agua\" data-title=\"Semillas y arena: una manera barata y eficaz de potabilizar agua para millones de personas \" data-description=\"Un nuevo m\u00e9todo llamado 'Arena F' podr\u00eda mejorar el acceso al agua potable en \u00e1reas del planeta que actualmente sufren una escasez grave.\">\n<div id=\"atstbx\" class=\"at-resp-share-element at-style-responsive addthis-smartlayers addthis-animated at4-show\" role=\"region\" aria-labelledby=\"at-2d2df9bd-1080-4963-85c8-61affbaeb132\">\n<div class=\"at-share-btn-elements\">Un nuevo m\u00e9todo llamado &#8216;Arena F&#8217; podr\u00eda mejorar el acceso al agua potable en \u00e1reas del planeta que actualmente sufren una escasez grave.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><!--more--><\/p>\n<div class=\"arcticle-media\"><img decoding=\"async\" src=\"https:\/\/cdni.rt.com\/actualidad\/public_images\/2018.06\/article\/5b27d28208f3d9c62c8b456a.jpg\" alt=\"Semillas y arena: una manera barata y eficaz de potabilizar agua para millones de personas \" \/><\/p>\n<div class=\"arcticle-media__caption arcticle-media__caption_image\"><\/div>\n<\/div>\n<div class=\"arcticle-fb-like\"><\/div>\n<div class=\"arcticle-content-wrapper\">\n<div class=\"arcticle-content js-mediator-article\">\n<p>Stephanie Velegol, profesor de ingenier\u00eda qu\u00edmica de la Universidad Estatal de Pensilvania (EE.UU.), ha elaborado un efectivo\u00a0<strong>m\u00e9todo de filtraci\u00f3n de agua<\/strong>\u00a0a partir de\u00a0<strong>recursos de bajo coste<\/strong>\u00a0y alta disponibilidad que podr\u00eda mejorar el acceso al agua potable de millones de personas en todo el mundo.<\/p>\n<p>Su propuesta est\u00e1 basada en el uso de las prote\u00ednas de un \u00e1rbol oriundo de la India llamado Moringa oleifera, que se\u00a0adapta bien a los climas tropicales y subtropicales, y cuyas semillas ya se usan desde hace tiempo para purificar agua de manera rudimentaria.<\/p>\n<p>La novedad introducida por Velegol\u00a0consiste en combinar este sistema de purificaci\u00f3n de agua a trav\u00e9s de semillas con otros procedimientos de filtraci\u00f3n mediante arena, comunes en varias \u00e1reas del planeta en v\u00edas de desarrollo.<\/p>\n<div class=\"arcticle__read-more read-more\"><a class=\"read-more__link\" href=\"https:\/\/actualidad.rt.com\/actualidad\/275860-india-peor-crisis-agua\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"read-more__cover alignleft\" src=\"https:\/\/cdni.rt.com\/actualidad\/public_images\/2018.06\/thumbnail\/5b23a339e9180f845c8b4567.jpg\" alt=\"Imagen ilustrativa\" \/><\/a><\/div>\n<div class=\"arcticle__read-more read-more\"><a class=\"read-more__link\" href=\"https:\/\/actualidad.rt.com\/actualidad\/275860-india-peor-crisis-agua\" target=\"_blank\" rel=\"noopener\"><span class=\"read-more__footer\">Alertan de que este pa\u00eds se quedar\u00e1 sin agua en cuesti\u00f3n de a\u00f1os<\/span><\/a><\/div>\n<p>En concreto, se basa en\u00a0extraer las prote\u00ednas de la semilla y adherirlas a la superficie de part\u00edculas de s\u00edlice, el componente principal de la arena, obteniendo as\u00ed una arena fina llamada &#8216;Arena F&#8217;.<\/p>\n<p>Esta act\u00faa como un filtro que\u00a0reduce la turbidez del agua y\u00a0<strong>destruye los microorganismos,<\/strong>\u00a0al adherirse estos a las part\u00edculas y a la materia org\u00e1nica, facilitando el lavado posterior.<\/p>\n<p>Seg\u00fan estimaciones de la Organizaci\u00f3n de las Naciones Unidas, en el mundo hay actualmente<strong>\u00a02.100 millones de personas<\/strong>\u00a0que no tienen acceso a servicios seguros de agua potable. Los\u00a0investigadores de la Universidad de Pensilvania\u00a0conf\u00edan en que el m\u00e9todo &#8216;Arena-F&#8217; podr\u00eda empezar a funcionar en poco tiempo, y ayudar as\u00ed a paliar este problema en muchas regiones del planeta afectadas por la escasez del agua potable.<\/p>\n<p>Fuente: RT<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un nuevo m\u00e9todo llamado &#8216;Arena F&#8217; podr\u00eda mejorar el acceso al agua potable en \u00e1reas del planeta que actualmente sufren [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":48502,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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