<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />{"id":217683,"date":"2021-12-23T18:48:48","date_gmt":"2021-12-23T18:48:48","guid":{"rendered":"https:\/\/www.proacciona.es\/tot-el-que-has-de-saber-sobre-els-metalls-pesats-a-laigua-potable\/"},"modified":"2023-01-02T16:56:49","modified_gmt":"2023-01-02T16:56:49","slug":"tot-el-que-has-de-saber-sobre-els-metalls-pesats-a-laigua-potable","status":"publish","type":"post","link":"https:\/\/www.proacciona.es\/ca\/tot-el-que-has-de-saber-sobre-els-metalls-pesats-a-laigua-potable\/","title":{"rendered":"Tot el que has de saber sobre els Metalls Pesats a l&#8217;Aigua potable"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div><p>[et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb||||false|false\u00bb global_colors_info=\u00bb{}\u00bb]<\/p>\n<p style=\"text-align: center;\"><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text admin_label=\u00bbText presentaci\u00f3\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto||||||||\u00bb text_font_size=\u00bb18px\u00bb text_line_height=\u00bb1.6em\u00bb global_colors_info=\u00bb{}\u00bb]<\/p>\n<p>Saps que s\u00f3n els metalls pesants a l&#8217;aigua? En aquest article resoldrem tots els teus dubtes sobre la contaminaci\u00f3 de l&#8217;aigua per aquests elements. Comen\u00e7ant per la definici\u00f3 de \u201cmetalls pesats\u201d, anomenant alguns dels principals tipus que podem trobar a l&#8217;aigua potable i alguns processos que se segueixen per eliminar aquests metalls de l&#8217;aigua.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Qu\u00e8 s\u00f3n els metalls pesants?<\/h2>\n<p><strong>Els metalls pesants s\u00f3n elements qu\u00edmics amb una densitat molt alta i propietats met\u00e0l\u00b7liques. Tenen una alta toxicitat per als \u00e9ssers humans i poden produir un gran impacte mediambiental depenent de la quantitat.<\/strong> Alguns exemples de metalls pesants s\u00f3n: el mercuri, plom, n\u00edquel, coure, etc.<\/p>\n<p>Aquests metalls es poden trobar en tota mena d&#8217;aig\u00fces. El problema sorgeix quan se&#8217;n concentra una gran quantitat i poden resultar t\u00f2xics per al cos hum\u00e0. Com que s\u00f3n elements no metabolitzables, <strong>l&#8217;organisme els acumula en \u00f2rgans com els ronyons o el fetge<\/strong> sense arribar a processar-los. A m\u00e9s, no s\u00f3n gens beneficiosos per a la natura i poden ser molt contaminants.<\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00bbhttps:\/\/www.proacciona.es\/wp-content\/uploads\/2021\/12\/que-son-los-metales-pesados.jpg\u00bb alt=\u00bbClassificaci\u00f3 NOVA\u00bb title_text=\u00bbque s\u00f3n els metalls pesants\u00bb align=\u00bbcenter\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb width=\u00bb60%\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_image][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Tipus de metalls pesants presents a l&#8217;aigua<\/h2>\n<h3>Coure<\/h3>\n<p>El coure en altes concentracions pot ser t\u00f2xic pel cos hum\u00e0. Ingerir aigua amb aquest metall pesat<strong> pot causar v\u00f2mits, p\u00e8rdua de for\u00e7a, diarrea i en el pitjor dels casos cirrosi al fetge.<\/strong><\/p>\n<h3>Mercuri<\/h3>\n<p><strong>Aquest \u00e9s un dels metalls m\u00e9s coneguts<\/strong> degut al risc per a la salut que pot causar consumir peix blau. El mercuri es genera de forma natural i els peixos que es troben al cim de la cadena aliment\u00e0ria acumulen el dels peixos petits. <strong>Els efectes negatius del mercuri afecten directament embarassades i nens, ja que l&#8217;exposici\u00f3 es produeix a l&#8217;\u00fater.<\/strong><\/p>\n<h3>Plom<\/h3>\n<p>El plom ha tingut un gran \u00fas en la fabricaci\u00f3 de materials per a soldadura i tot tipus de canonades per ser un material molt tou. No obstant aix\u00f2, en descobrir que es bioacumulava al cos hum\u00e0 es va prohibir. Aquest metall t\u00e9 efectes negatius que <strong>causen problemes en el sistema nervi\u00f3s i el cervell, provocant problemes de fertilitat, incrementant la circulaci\u00f3 sangu\u00ednia i causant danys als ronyons.<\/strong><\/p>\n<h3>Ars\u00e8nic<\/h3>\n<p><strong>\u00c9s la causa m\u00e9s comuna d&#8217;intoxicaci\u00f3 per metalls pesants.<\/strong> Es pot trobar en subministraments d&#8217;aigua on s&#8217;exposen els mariscs, el bacall\u00e0, l&#8217;egglef\u00ed i molts altres aliments que procedeixen del mar.<\/p>\n<h3>Cadmi<\/h3>\n<p>Tot i que les regulacions existents han disminu\u00eft la quantitat de cadmi que arriba a les aig\u00fces que consumim, pot continuar apareixent a causa de les aig\u00fces residuals de les llars i ind\u00fastries. <strong>El cadmi es considera un cancerigen que perjudica el sistema de filtraci\u00f3 i ataca directament els ronyons.<\/strong><\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00bbhttps:\/\/www.proacciona.es\/wp-content\/uploads\/2021\/12\/tipos-de-metales-pesados.jpg\u00bb alt=\u00bbClassificaci\u00f3 NOVA\u00bb title_text=\u00bbtipus de metalls pesants\u00bb align=\u00bbcenter\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb width=\u00bb60%\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_image][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Com arriben els metalls pesants a l&#8217;aigua?<\/h2>\n<p>Per norma general, <strong>els metalls pesants es concentren a l&#8217;aigua per una contaminaci\u00f3<\/strong> puntual originada per una ind\u00fastria o per les mines. Els mateixos humans solen ser la principal causa de contaminaci\u00f3 de les aig\u00fces per molts factors: <strong>plaguicides a zones agr\u00edcoles, aig\u00fces residuals, canonades antigues, etc.<\/strong><\/p>\n<p>Per altra banda, aquests metalls <strong>tamb\u00e9 poden arribar a laigua de forma natural.<\/strong> Per exemple, en rierols amb pedres que contenen aquests minerals, l&#8217;aigua pot anar desgastant i portant els metalls pujant la concentraci\u00f3 fins al punt que sigui un problema seri\u00f3s per al consum i la mateixa naturalesa.<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Com evitar la pres\u00e8ncia de metalls pesants a l&#8217;aigua?<\/h2>\n<p>Cal remarcar que <strong>la pres\u00e8ncia d&#8217;aquests metalls no \u00e9s gens habitual<\/strong> i en cas que apareguin, solen ser petites traces que estan per sota del l\u00edmit legal estipulat.<\/p>\n<p><strong>Sempre es fan servir captacions d&#8217;aigua que compleixen amb el l\u00edmit establert a la legislaci\u00f3.<\/strong> No obstant aix\u00f2, es poden donar alguns casos en qu\u00e8 la pres\u00e8ncia de metalls pesants \u00e9s molt elevada i es fa servir un tractament secundari per eliminar aquest metall. En el cas de les traces que es troben flotant a l&#8217;aigua, <strong>es pot fer una filtraci\u00f3 per eliminar-les<\/strong>. Si les traces s\u00f3n molt petites, el primer pas consisteix a <strong>utilitzar agents coagulants<\/strong> per crear un co\u00e0gul prou gran perqu\u00e8 es pugui filtrar.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Saps que s\u00f3n els metalls pesants a l&#8217;aigua? En aquest article resoldrem tots els teus dubtes sobre la&#8230;<\/p>\n","protected":false},"author":10,"featured_media":217677,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1856,1468,1985,1847],"tags":[],"class_list":["post-217683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alertas-alimentarias-ca","category-blog-ca","category-inspeccions-de-sanitat","category-enfermedades-por-alimentos-ca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u25b7 Tot sobre els Metalls Pesats a l&#039;Aigua Potable \u30102026\u3011<\/title>\n<meta name=\"description\" content=\"\u2611\ufe0f Apr\u00e8n qu\u00e8 s\u00f3n els metalls pesants i per qu\u00e8 es troben a l&#039;aigua potable que consumim \u27a8 Entra Ja!\" \/>\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.proacciona.es\/ca\/tot-el-que-has-de-saber-sobre-els-metalls-pesats-a-laigua-potable\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u25b7 Tot sobre els Metalls Pesats a l&#039;Aigua Potable \u30102026\u3011\" \/>\n<meta property=\"og:description\" content=\"\u2611\ufe0f Apr\u00e8n qu\u00e8 s\u00f3n els metalls pesants i per qu\u00e8 es troben a l&#039;aigua potable que consumim \u27a8 Entra Ja!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.proacciona.es\/ca\/tot-el-que-has-de-saber-sobre-els-metalls-pesats-a-laigua-potable\/\" \/>\n<meta property=\"og:site_name\" content=\"Consultor\u00eda en seguridad alimentaria y APPCC - 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