Symfony Profiler

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UPDATE blog_article SET views = 3490, edited_at = '2026-10-11 19:07:09', searchable = '\"{\\\"createdAt\\\":\\\"14-04-2024\\\",\\\"editedAt\\\":\\\"20-05-2025\\\",\\\"id\\\":\\\"203\\\",\\\"category\\\":\\\"tipologie di rischio\\\",\\\"title\\\":\\\"legionella: come effettuare la disinfezione\\\",\\\"text\\\":\\\"<p>esistono sostanzialmente due metodi di disinfezione dalla <a href=\\\\\\\"https:\\\\\\/\\\\\\/bellero.it\\\\\\/blog-dettaglio\\\\\\/le-misure-di-prevenzione-contro-legionella\\\\\\\"><strong>legionella<\\\\\\/strong><\\\\\\/a>:<\\\\\\/p><ul>\\\\t<li>disinfezione di natura <a href=\\\\\\\"https:\\\\\\/\\\\\\/bellero.it\\\\\\/blog-dettaglio\\\\\\/il-rischio-rumore\\\\\\\"><strong>fisica<\\\\\\/strong><\\\\\\/a>;<\\\\\\/li>\\\\t<li>disinfezione di natura <a href=\\\\\\\"https:\\\\\\/\\\\\\/bellero.it\\\\\\/blog-dettaglio\\\\\\/rischio-chimico\\\\\\\"><strong>chimica<\\\\\\/strong><\\\\\\/a>.<\\\\\\/li><\\\\\\/ul><p>vediamo di cosa si tratta.<\\\\\\/p><p>&nbsp;<\\\\\\/p><h2>disinfezione fisica della legionella<\\\\\\/h2><p>i mezzi di natura fisica per la disinfezione, sono:<\\\\\\/p><ul>\\\\t<li>shock termico: consiste nell&rsquo;elevare la temperatura dell&rsquo;acqua a 70-80&deg;c continuativamente per tre giorni e far scorrere l&#39;acqua quotidianamente attraverso i rubinetti per un tempo di 30 minuti. e&rsquo; fondamentale verificare che, la temperatura dell&rsquo;acqua nei punti pi&ugrave; distanti raggiunga o ecceda i 60&deg;c; se ci&ograve; non avviene tale procedura non fornisce garanzie.<\\\\\\/li>\\\\t<li>trattamento termico: gli impianti dell&rsquo;acqua calda mantenuti a temperature di 60&deg;c sono meno frequentemente colonizzati dal <a href=\\\\\\\"https:\\\\\\/\\\\\\/bellero.it\\\\\\/blog-dettaglio\\\\\\/il-rischio-biologico\\\\\\\"><strong>batterio della legionella<\\\\\\/strong><\\\\\\/a>. occorre pertanto far scorrere l&rsquo;acqua ad almeno 60&deg; in tutte le uscite per almeno 30 minuti ogni giorno.<\\\\\\/li>\\\\t<li>lampade a raggi ultravioletti: la luce ultravioletta (254 nm) inattiva i batteri producendo dei dimeri di timina nel dna che ne ostacolano la replicazione. l&rsquo;applicazione della luce ultravioletta &egrave; una modalit&agrave; di disinfezione che risulta essere maggiormente efficace in vicinanza del punto di impiego.<\\\\\\/li>\\\\t<li>filtrazione: prevede l&rsquo;impiego di filtri da applicare ai punti d&rsquo;uso (rubinetti, docce) che forniscono acqua esente da <a href=\\\\\\\"https:\\\\\\/\\\\\\/bellero.it\\\\\\/blog-dettaglio\\\\\\/il-rischio-legionella\\\\\\\"><strong>legionella<\\\\\\/strong><\\\\\\/a>. devono essere puliti, disinfettati e sostituiti con periodicit&agrave;, altrimenti costituiscono essi stessi un punto critico.<\\\\\\/li><\\\\\\/ul><p>&nbsp;<\\\\\\/p><h3>disinfezione chimica della legionella<\\\\\\/h3><p>i mezzi di natura chimica per la disinfezione, sono:<\\\\\\/p><ul>\\\\t<li>iperclorazione shock: &egrave; un&rsquo;operazione che deve essere effettuata su acqua a temperatura inferiore a 30&deg;, con una singola immissione di cloro in acqua fino ad ottenere concentrazioni di cloro residuo libero di 20-50 mg\\\\\\/l in tutto l&rsquo;impianto. dopo un periodo di contatto che varia dalle 2h con 20 mg\\\\\\/l ad 1h con 50 mg\\\\\\/l di cloro, l&rsquo;acqua viene drenata e nuova acqua viene fatta scorrere nell&rsquo;impianto fino a che il livello di cloro ritorna alla concentrazione di 0,5-1 mg\\\\\\/l.<\\\\\\/li>\\\\t<li>iperclorazione continua: si ottiene aggiungendo continuamente il cloro; i livelli residui di cloro in questo caso possono variare a seconda della qualit&agrave; dell&rsquo;acqua, del flusso e della decontaminazione dai biofilm, anche se comunque il disinfettante residuo deve essere compreso tra 1 e 3 mg\\\\\\/l.<\\\\\\/li>\\\\t<li>ioni metallici: consiste nell&rsquo;aggiungere rame e argento nell&rsquo;acqua elettroliticamente o come ioni metallici in quantit&agrave; pari a 100-400 microgralli \\\\\\/l per il rame e 10-40 micro grammi\\\\\\/l per l&rsquo;argento (che interferiscono con i sistemi enzimatici della respirazione cellulare).<\\\\\\/li>\\\\t<li>biossido di cloro: non vi sono elementi sufficientemente convalidati per un suo impiego sicuro ed efficace. &egrave; un gas utile per la disinfezione dell&rsquo;acqua potabile, in quanto riduce notevolmente la crescita di biofilm nelle tubature.<\\\\\\/li>\\\\t<li>ozono: agisce rapidamente danneggiando il dna batterico essendo un eccellente biocida. &egrave; pi&ugrave; efficace del cloro, non ha potere residuo e pu&ograve; danneggiare (ad alte concentrazioni) le tubature.<\\\\\\/li><\\\\\\/ul>\\\",\\\"metaTitle\\\":\\\"legionella: come effettuare la disinfezione|bellero\\\",\\\"metaDescription\\\":\\\"disinfezione fisica o chimica della legionella? scopriamolo assieme\\\",\\\"publishDate\\\":\\\"08-02-2019\\\",\\\"imageAlt\\\":\\\"la disinfezione permettere di prevenire il rischio di contaminazione del batterio della legionella \\\",\\\"imageFile\\\":\\\"blog\\\\\\/la-disinfezione-da-legionella.jpg\\\",\\\"views\\\":\\\"3490\\\"}\"' WHERE id = 203;

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