{"id":34003,"date":"2021-12-16T07:30:24","date_gmt":"2021-12-16T10:30:24","guid":{"rendered":"https:\/\/www.funverde.org.br\/blog\/?p=34003"},"modified":"2021-12-15T12:11:32","modified_gmt":"2021-12-15T15:11:32","slug":"brasileira-descobre-tecnica-para-despoluir-agua-usando-cascas-de-banana","status":"publish","type":"post","link":"https:\/\/www.funverde.org.br\/blog\/brasileira-descobre-tecnica-para-despoluir-agua-usando-cascas-de-banana\/","title":{"rendered":"Brasileira descobre t\u00e9cnica para despoluir \u00e1gua usando cascas de banana"},"content":{"rendered":"<div class=\"post_header_wrap post_header_wrap_in_content post_header_wrap_style_style-8\">\n<div class=\"post_header post_header_single entry-header\">\n<p class=\"post_title entry-title\">Por <a class=\"post_meta_item post_author\" style=\"font-size: 16px;\" href=\"https:\/\/thegreenestpost.com\/author\/debora\/\" rel=\"author\"><span class=\"post_author_name\">D\u00e9bora Spitzcovsky<\/span><\/a> &#8211; <em>Foto: <a href=\"https:\/\/www.flickr.com\/photos\/vizzzual-dot-com\/2258149132\/\" target=\"_blank\" rel=\"noopener\">viZZZual.com<\/a>\/Creative Commons<\/em><\/p>\n<p class=\"post_title entry-title\">Apenas na regi\u00e3o metropolitana de S\u00e3o Paulo, quase quatro toneladas de cascas de banana s\u00e3o desperdi\u00e7adas todas as semanas (!) nos restaurantes.<\/p>\n<p class=\"post_title entry-title\">Foi esse dado, divulgado em uma reportagem sobre desperd\u00edcio de alimentos, que estimulou a brasileira Milena Boniolo, doutoranda em qu\u00edmica, a pesquisar uma utilidade para as cascas de banana.<\/p>\n<p class=\"post_title entry-title\">E ela encontrou: despoluir a \u00e1gua contaminada por metais pesados.<\/p>\n<\/div>\n<\/div>\n<div class=\"post_content post_content_single entry-content post_info_vertical_present post_info_vertical_hide_on_mobile\">\n<p>O processo \u00e9 simples e funciona gra\u00e7as a um dos princ\u00edpios b\u00e1sicos da qu\u00edmica: o dos opostos que se atraem.<\/p>\n<p>Na casca da banana, existe uma grande quantidade de mol\u00e9culas carregadas negativamente, enquanto os metais pesados s\u00e3o positivamente carregados.<\/p>\n<p>Logo, quando colocada na \u00e1gua, a casca da banana atrai para si os metais.<\/p>\n<p>Para que d\u00ea conta do recado, no entanto, ela precisa ter suas propriedades potencializadas.<\/p>\n<p>Milena Boniolo tamb\u00e9m descobriu uma f\u00f3rmula bem simples para isso: em uma assadeira, as cascas devem ficar expostas ao sol por cerca de uma semana.<\/p>\n<p>Em seguida, elas s\u00e3o trituradas e peneiradas. No fim, \u00e9 essa \u201cfarofa de casca de banana\u201d que deve ser jogada na \u00e1gua para despoluir o recurso.<\/p>\n<p>Segundo a pesquisadora, 5 mg do p\u00f3 de banana s\u00e3o suficientes para despoluir 100 ml de \u00e1gua.<\/p>\n<p>Mas, para alcan\u00e7ar altos n\u00edveis de limpeza, \u00e9 preciso repetir o processo mais de uma vez. Isso porque, em testes de laborat\u00f3rio, a casca de banana conseguiu \u201cchupar\u201d, de primeira, cerca de 65% dos metais pesados que estavam na \u00e1gua.<\/p>\n<p>Agora, Milena Boniolo procura patroc\u00ednio para aplicar essa t\u00e9cnica em grande escala. <em>J\u00e1 que casca de banana \u00e9 o que n\u00e3o falta\u2026<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Por D\u00e9bora Spitzcovsky &#8211; Foto: viZZZual.com\/Creative Commons Apenas na regi\u00e3o metropolitana de S\u00e3o Paulo, quase quatro toneladas de cascas de banana s\u00e3o desperdi\u00e7adas todas as semanas (!) nos restaurantes. Foi esse dado, divulgado em uma reportagem sobre desperd\u00edcio de alimentos, que estimulou a brasileira Milena Boniolo, doutoranda em qu\u00edmica, a pesquisar uma utilidade para as&hellip;<\/p>\n","protected":false},"author":2,"featured_media":34004,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[59],"post_series":[],"class_list":["post-34003","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geral","tag-poluicao-pollution","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Brasileira descobre t\u00e9cnica para despoluir \u00e1gua usando cascas de banana - FUNVERDE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.funverde.org.br\/blog\/?p=34003\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Brasileira descobre t\u00e9cnica para despoluir \u00e1gua usando cascas de banana - FUNVERDE\" \/>\n<meta property=\"og:description\" content=\"Por D\u00e9bora Spitzcovsky &#8211; Foto: viZZZual.com\/Creative Commons Apenas na regi\u00e3o metropolitana de S\u00e3o Paulo, quase quatro toneladas de cascas de banana s\u00e3o desperdi\u00e7adas todas as semanas (!) nos restaurantes. Foi esse dado, divulgado em uma reportagem sobre desperd\u00edcio de alimentos, que estimulou a brasileira Milena Boniolo, doutoranda em qu\u00edmica, a pesquisar uma utilidade para as&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.funverde.org.br\/blog\/?p=34003\" \/>\n<meta property=\"og:site_name\" content=\"FUNVERDE\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/funverde\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-16T10:30:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.funverde.org.br\/blog\/wp-content\/uploads\/2021\/12\/Bananas_2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"450\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"funverde\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@funverde\" \/>\n<meta name=\"twitter:site\" content=\"@funverde\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"funverde\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.funverde.org.br\/blog\/?p=34003#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.funverde.org.br\/blog\/?p=34003\"},\"author\":{\"name\":\"funverde\",\"@id\":\"https:\/\/www.funverde.org.br\/blog\/#\/schema\/person\/bec97e35994e1efd40b63cb533e44277\"},\"headline\":\"Brasileira descobre t\u00e9cnica para despoluir \u00e1gua usando cascas de banana\",\"datePublished\":\"2021-12-16T10:30:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.funverde.org.br\/blog\/?p=34003\"},\"wordCount\":293,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.funverde.org.br\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.funverde.org.br\/blog\/?p=34003#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.funverde.org.br\/blog\/wp-content\/uploads\/2021\/12\/Bananas_2.jpg\",\"keywords\":[\"Polui\u00e7\u00e3o\"],\"articleSection\":[\"Geral\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.funverde.org.br\/blog\/?p=34003#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.funverde.org.br\/blog\/?p=34003\",\"url\":\"https:\/\/www.funverde.org.br\/blog\/?p=34003\",\"name\":\"Brasileira descobre t\u00e9cnica para despoluir \u00e1gua usando cascas de banana - 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