{"id":44012,"date":"2024-07-25T12:34:17","date_gmt":"2024-07-25T10:34:17","guid":{"rendered":"https:\/\/www.oxytec.com\/legionellen\/"},"modified":"2026-05-27T15:52:56","modified_gmt":"2026-05-27T13:52:56","slug":"legionella","status":"publish","type":"post","link":"https:\/\/www.oxytec.com\/pt\/substancias-nocivas\/legionella\/","title":{"rendered":"Legionella"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[844],"tags":[780],"wf_post_folders":[478],"class_list":["post-44012","post","type-post","status-publish","format-standard","hentry","category-schadstoffe","tag-schadstoffe"],"acf":{"schadstoff":"Legionella","hauptbild_Schadstoffe":44013,"cas_nr":"","strukturformel":"","h1_headline":"Desinfec\u00e7\u00e3o por UV contra a Legionella","seitentext_teil_1":"<h4>O que s\u00e3o as bact\u00e9rias Legionella?<\/h4>\r\nAs legionelas s\u00e3o bact\u00e9rias aqu\u00e1ticas que se encontram em sistemas de \u00e1gua naturais e artificiais. A esp\u00e9cie mais conhecida, a Legionella pneumophila, \u00e9 o agente causador da doen\u00e7a do legion\u00e1rio, uma forma grave de pneumonia. Estas bact\u00e9rias multiplicam-se particularmente bem em \u00e1gua quente e representam, por isso, um risco consider\u00e1vel em sistemas de \u00e1gua pot\u00e1vel e de ar condicionado.\r\n<h4>Origem<\/h4>\r\nAs legionelas encontram-se em ambientes naturais de \u00e1gua doce, como lagos e rios, mas tornam-se um perigo para a sa\u00fade em sistemas de \u00e1gua artificiais, como instala\u00e7\u00f5es de refrigera\u00e7\u00e3o, sistemas de \u00e1gua quente, banheiras de hidromassagem e sistemas de \u00e1gua pot\u00e1vel. Multiplicam-se particularmente bem em \u00e1gua quente e estagnada, a temperaturas entre 25 e 45 \u00b0C.\r\n<h4>Detec\u00e7\u00e3o<\/h4>\r\nAs bact\u00e9rias Legionella s\u00e3o microsc\u00f3picas e n\u00e3o podem ser detetadas atrav\u00e9s de inspe\u00e7\u00e3o visual. A sua presen\u00e7a \u00e9 comprovada atrav\u00e9s de testes microbiol\u00f3gicos e culturas. Em edif\u00edcios com sistemas de \u00e1gua, \u00e9 necess\u00e1ria uma amostragem e an\u00e1lise regulares para garantir a seguran\u00e7a e detetar a contamina\u00e7\u00e3o numa fase precoce.\r\n<h4>Limites<\/h4>\r\nNa Alemanha, os valores-limite para a Legionella na \u00e1gua pot\u00e1vel s\u00e3o regulados pelo Regulamento da \u00c1gua Pot\u00e1vel (TrinkwV). O valor t\u00e9cnico de interven\u00e7\u00e3o \u00e9 de 100 unidades formadoras de col\u00f3nias (UFC) por 100 ml de \u00e1gua. Se este valor for excedido, s\u00e3o necess\u00e1rias an\u00e1lises exaustivas e medidas para reduzir a concentra\u00e7\u00e3o de Legionella.\r\n<h4>Riscos<\/h4>\r\nSa\u00fade: A Legionella causa a doen\u00e7a do legion\u00e1rio, uma forma grave de pneumonia, bem como a febre de Pontiac, uma doen\u00e7a semelhante \u00e0 gripe. A infe\u00e7\u00e3o ocorre atrav\u00e9s da inala\u00e7\u00e3o de got\u00edculas de \u00e1gua contaminada em aerossol. Est\u00e3o particularmente em risco os idosos, os fumadores e as pessoas com o sistema imunit\u00e1rio enfraquecido.\r\n\r\nAmbiental: O combate \u00e0 Legionella requer frequentemente a utiliza\u00e7\u00e3o de produtos qu\u00edmicos que podem ter efeitos negativos no ambiente. A desinfe\u00e7\u00e3o por UV oferece uma alternativa ecol\u00f3gica, uma vez que n\u00e3o requer aditivos qu\u00edmicos.\r\n\r\nPreju\u00edzos econ\u00f3micos: A contamina\u00e7\u00e3o por Legionella pode causar preju\u00edzos econ\u00f3micos consider\u00e1veis, incluindo custos com medidas de desinfe\u00e7\u00e3o, interrup\u00e7\u00f5es operacionais e despesas de sa\u00fade. Al\u00e9m disso, a confian\u00e7a do p\u00fablico na seguran\u00e7a dos sistemas de \u00e1gua pode ser comprometida.","bild_anwendung":null,"bild-unterschrift":"Legenda da imagem","seitentext_teil_2":"<h4>Tecnologias alternativas<\/h4>\r\nPara al\u00e9m das nossas solu\u00e7\u00f5es, existem outras tecnologias, como os filtros de carv\u00e3o ativo convencionais e os sistemas de ventila\u00e7\u00e3o simples. No entanto, estas apresentam frequentemente desvantagens, tais como elevado consumo de energia, capacidade de purifica\u00e7\u00e3o limitada, grande ocupa\u00e7\u00e3o de espa\u00e7o, longos prazos de implementa\u00e7\u00e3o e elevados custos de investimento.\r\n<h4>Vantagens da solu\u00e7\u00e3o oxytec<\/h4>\r\n<ul>\r\n \t<li><strong>Constru\u00e7\u00e3o compacta<\/strong>: Reduzida necessidade de espa\u00e7o em compara\u00e7\u00e3o com os sistemas tradicionais.<\/li>\r\n \t<li><strong>Amortiza\u00e7\u00e3o r\u00e1pida<\/strong>: Gra\u00e7as aos baixos custos operacionais e \u00e0 elevada efici\u00eancia.<\/li>\r\n \t<li><strong>Respeito pelo ambiente<\/strong>: Impacto ambiental m\u00ednimo gra\u00e7as a tecnologias inovadoras<\/li>\r\n \t<li><strong>Redu\u00e7\u00e3o eficiente da legionella<\/strong>: Elevados graus de purifica\u00e7\u00e3o com consumo energ\u00e9tico m\u00ednimo<\/li>\r\n<\/ul>"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Legionella no ar de exaust\u00e3o \u2013 oxytec<\/title>\n<meta name=\"description\" content=\"O que s\u00e3o Legionella? 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