{"id":607301,"date":"2026-01-12T14:35:23","date_gmt":"2026-01-12T14:35:23","guid":{"rendered":"https:\/\/www.metaflotech.com\/?p=607301"},"modified":"2026-01-12T19:08:58","modified_gmt":"2026-01-12T19:08:58","slug":"applicazione-remtech-nellindustria-mineraria-uso-di-biopolimeri-per-il-trattamento-degli-effluenti-di-drenaggio-acido-da-cumuli-di-sterili","status":"publish","type":"post","link":"https:\/\/www.metaflotech.com\/it\/remtech-application-in-mining-use-of-biopolymer-for-the-treatment-of-acid-drainage-effluent-from-tailings-piles\/","title":{"rendered":"Applicazione RemTech nell'estrazione mineraria: Utilizzo di un biopolimero per il trattamento degli effluenti di drenaggio acido da bacini di sterili."},"content":{"rendered":"<p>Nel trattamento convenzionale degli effluenti minerari, la calce \u00e8 ampiamente utilizzata come agente alcalinizzante, e vengono impiegati anche altri reagenti chimici come coagulanti e flocculanti in sua combinazione, al fine di precipitare i metalli pesanti e rispettare i parametri stabiliti dalla normativa.<\/p>\n<p>RemTech, in quanto biopolimero alcalinizzante e ossidante, \u00e8 in grado di aumentare il pH degli effluenti e di innescare reazioni di ossido-riduzione con i metalli in essi presenti, contribuendo a un trattamento efficiente volto al rispetto dei parametri previsti dalla normativa, sostituendo completamente la calce e consentendo la riduzione dell\u2019impiego di altri reagenti utilizzati nel processo. Un altro vantaggio notevole derivante dall\u2019uso di RemTech in questo tipo di applicazione \u00e8 la riduzione del volume dei fanghi generati al termine della precipitazione rispetto alla calce, con una riduzione possibile fino a 33% del volume finale dei fanghi.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-167765\" src=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2025\/07\/Logo.svg\" alt=\"\" width=\"500\" height=\"500\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Di seguito \u00e8 riportato uno studio di caso sul trattamento degli effluenti delle miniere d'oro con RemTech:<\/p>\n<p>&nbsp;<\/p>\n<table style=\"width: 100%; height: auto; border: 1px solid #f3f3f3;\">\n<tbody>\n<tr style=\"height: 80px; background: #f3f3f3; border: 1px solid #f3f3f3;\">\n<td style=\"height: 80px; text-align: center;\"><strong>Parametro<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Acqua delle pile<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Trattato <\/strong><br \/>\n<strong>FQ pH7<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Trattato <\/strong><br \/>\n<strong>FQ pH8<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Trattato <\/strong><br \/>\n<strong>FQ pH9<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Trattato <\/strong><br \/>\n<strong>FQ pH10<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Limiti <\/strong><br \/>\n<strong>COPAM-08\/22<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 56px; border: 1px solid #f3f3f3;\">\n<td style=\"height: 56px; width: 91px; background: #f3f3f3; text-align: center;\"><strong>Come<\/strong><\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">10,70<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,05<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,06<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,01<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,01<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,20<\/td>\n<\/tr>\n<tr style=\"height: 56px; border: 1px solid #f3f3f3;\">\n<td style=\"height: 56px; width: 91px; background: #f3f3f3; text-align: center;\"><strong>Rame<\/strong><\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,00<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,10<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,00<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,00<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,01<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">1,0<\/td>\n<\/tr>\n<tr style=\"height: 56px; border: 1px solid #f3f3f3;\">\n<td style=\"height: 56px; width: 91px; background: #f3f3f3; text-align: center;\"><strong>Ferro<\/strong><\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">144,90<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">2,50<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,85<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,14<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,30<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">15,0<\/td>\n<\/tr>\n<tr style=\"height: 56px; border: 1px solid #f3f3f3;\">\n<td style=\"height: 56px; width: 91px; background: #f3f3f3; text-align: center;\"><strong>N\u00ec<\/strong><\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">4,70<\/td>\n<td style=\"height: 56px; width: 91px; background: #FFEA00; text-align: center;\">3,20<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,73<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">1,00<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">0,05<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">1,0<\/td>\n<\/tr>\n<tr style=\"height: 56px; border: 1px solid #f3f3f3;\">\n<td style=\"height: 56px; width: 91px; background: #f3f3f3; text-align: center;\"><strong>DQO<\/strong><\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">1.853,0<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">65,0<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">66,0<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">67,8<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">66,8<\/td>\n<td style=\"height: 56px; width: 91px; text-align: center;\">180,0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong><em>Immagine 01: Foto comparative del trattamento degli effluenti con calce (provette a sinistra) e del trattamento degli effluenti con RemTech (provette a destra).<\/em><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-607391\" src=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-1.webp\" alt=\"Trattamento RemTech 1\" width=\"706\" height=\"250\" srcset=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-1.webp 1412w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-1-300x106.webp 300w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-1-1024x363.webp 1024w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-1-768x272.webp 768w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-1-18x6.webp 18w\" sizes=\"auto, (max-width: 706px) 100vw, 706px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-607392\" src=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-2.webp\" alt=\"Trattamento RemTech 2\" width=\"429\" height=\"250\" srcset=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-2.webp 857w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-2-300x175.webp 300w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/RemTech-treatment-2-768x448.webp 768w\" sizes=\"auto, (max-width: 429px) 100vw, 429px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Analizzando le foto sopra, \u00e8 possibile osservare che la velocit\u00e0 di sedimentazione dei solidi sospesi \u00e8 maggiore in presenza di RemTech, oltre alla riduzione del volume di fanghi formatosi alla fine.<\/p>\n<p>Riguardo al confronto con i dosaggi degli agenti alcalinizzanti (calce ExtracTech), \u00e8 possibile avere una riduzione fino a 20 volte nel dosaggio utilizzando RemTech. Di seguito un grafico comparativo del dosaggio dell'agente alcalinizzante X pH.<\/p>\n<p>\u00c8 possibile osservare che, per raggiungere un pH di 8,0, ad esempio, \u00e8 necessario un dosaggio prossimo a 0,03 Kg\/m\u00b3 di RemTech contro 0,15 Kg\/m\u00b3 di calce, cio\u00e8 un dosaggio 5 volte inferiore utilizzando RemTech per raggiungere lo stesso pH.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-607390\" src=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/CaOH-vs-RemTech-1024x595.webp\" alt=\"CaOH contro RemTech\" width=\"688\" height=\"400\" srcset=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/CaOH-vs-RemTech-1024x595.webp 1024w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/CaOH-vs-RemTech-300x174.webp 300w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/CaOH-vs-RemTech-768x446.webp 768w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/CaOH-vs-RemTech-1536x893.webp 1536w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/CaOH-vs-RemTech-18x10.webp 18w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2026\/01\/CaOH-vs-RemTech.webp 1571w\" sizes=\"auto, (max-width: 688px) 100vw, 688px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h4 style=\"color: #f36c21\">Autore: <strong>Roberta Carvalho<\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>Nel trattamento convenzionale degli effluenti minerari, la calce \u00e8 ampiamente utilizzata come agente alcalinizzante, e vengono impiegati anche altri reagenti chimici come coagulanti e flocculanti in sua combinazione, al fine di precipitare i metalli pesanti e rispettare i parametri stabiliti dalla normativa.<\/p>","protected":false},"author":1,"featured_media":607605,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_joinchat":[],"footnotes":""},"categories":[23],"tags":[143,115,157],"class_list":["post-607301","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","tag-biopolymers","tag-mining","tag-remtech"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RemTech application in mining: Use of biopolymer for the treatment of acid drainage effluent from tailings piles. | MetaFLO<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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