{"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":"remtech-application-in-mining-use-of-biopolymer-for-the-treatment-of-acid-drainage-effluent-from-tailings-piles","status":"publish","type":"post","link":"https:\/\/www.metaflotech.com\/fr_fr\/remtech-application-in-mining-use-of-biopolymer-for-the-treatment-of-acid-drainage-effluent-from-tailings-piles\/","title":{"rendered":"Application RemTech dans l'exploitation mini\u00e8re : Utilisation de biopolym\u00e8res pour le traitement des effluents de drainage acide provenant des parcs \u00e0 r\u00e9sidus."},"content":{"rendered":"<p>Dans le traitement conventionnel des effluents miniers, la chaux est largement utilis\u00e9e comme agent alcalinisant, et d'autres r\u00e9actifs chimiques tels que les coagulants et les floculants sont \u00e9galement utilis\u00e9s en conjonction avec celle-ci, dans le but de pr\u00e9cipiter les m\u00e9taux lourds et de respecter les param\u00e8tres \u00e9tablis par la l\u00e9gislation.<\/p>\n<p>RemTech, being an alkalizing and oxidizing biopolymer, has the power to raise the pH of effluents and also carry out oxidation-reduction reactions with metals present in them, helping in efficient treatment, in order to meet the parameters established by legislation, completely replacing lime and enabling the reduction of other reagents used in the process. Another outstanding advantage for the use of RemTech in this type of application would be the reduction in the volume of sludge generated at the end of precipitation, compared to lime, being possible to reduce up to 33% of the final sludge volume.<\/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>Below is a case study of the treatment of a gold mining effluent with 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>Parameter<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Pile water<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Treated <\/strong><br \/>\n<strong>FQ pH7<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Treated <\/strong><br \/>\n<strong>FQ pH8<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Treated <\/strong><br \/>\n<strong>FQ pH9<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Treated <\/strong><br \/>\n<strong>FQ pH10<\/strong><\/td>\n<td style=\"height: 80px; text-align: center;\"><strong>Limits <\/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>As<\/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>Cu<\/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>Fe<\/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>Ni<\/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>Image 01: Comparative photos of effluent treatment with lime (test tube on the left) and effluent treatment with RemTech (test tube on the right).<\/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=\"RemTech treatment 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=\"RemTech treatment 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>Analyzing the photos above, it is possible to observe that the settling speed of suspended solids is greater in the presence of RemTech, in addition to the reduction in the volume of sludge formed at the end.<\/p>\n<p>Regarding the comparison with the dosages of alkalizing agents (ExtracTech lime), it is possible to have a reduction of up to 20x in the dosage when using RemTech. Below is a comparative graph of alkalizing agent dosage X pH.<\/p>\n<p>It is possible to observe that, to reach a pH of 8.0, for example, a dosage close to 0.03 Kg\/m3 of RemTech is necessary versus 0.15 Kg\/m3 of lime, that is, a dosage 5 times lower using RemTech in order to reach the same 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 vs 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\">Author: <strong>Roberta Carvalho<\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>Dans le traitement conventionnel des effluents miniers, la chaux est largement utilis\u00e9e comme agent alcalinisant, et d'autres r\u00e9actifs chimiques tels que les coagulants et les floculants sont \u00e9galement utilis\u00e9s en conjonction avec celle-ci, dans le but de pr\u00e9cipiter les m\u00e9taux lourds et de respecter les param\u00e8tres \u00e9tablis par la l\u00e9gislation.<\/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,"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 v28.0 - 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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