{"id":1439,"date":"2026-04-06T16:13:56","date_gmt":"2026-04-06T19:13:56","guid":{"rendered":"https:\/\/pya.cl\/en\/?p=1439"},"modified":"2026-04-06T16:13:56","modified_gmt":"2026-04-06T19:13:56","slug":"cuprochlor-recovery-optimization-for-secondary-sulfides-minera-zaldivar","status":"publish","type":"post","link":"https:\/\/pya.cl\/en\/2026\/04\/06\/cuprochlor-recovery-optimization-for-secondary-sulfides-minera-zaldivar\/","title":{"rendered":"CUPROCHLOR\u00ae RECOVERY OPTIMIZATION FOR SECONDARY SULFIDES \u2013 MINERA ZALD\u00cdVAR"},"content":{"rendered":"\n<p>The Project consisted of modifying the infrastructure in the plant to introduce a leaching process with high chlorine content, using the Cuprochlor\u00ae technology, which Antofagasta Minerals has been using for some years, allowing to improve the recovery of sulphide minerals that exist in the deposit and that are part of its base case. These sulphide, by the conventional leaching method in an acid medium, reach an average recovery between the ranges of 50% to 55%; With this technology, it is projected to reach values in ranges above 70%.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Project consisted of modifying the infrastructure in the plant to introduce a leaching process with high chlorine content, using the Cuprochlor\u00ae technology, which Antofagasta Minerals has been using for some years, allowing to improve the recovery of sulphide minerals that exist in the deposit and that are part of its base case. These sulphide, [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1439","post","type-post","status-publish","format-standard","hentry","category-featured-project"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CUPROCHLOR\u00ae RECOVERY OPTIMIZATION FOR SECONDARY SULFIDES \u2013 MINERA ZALD\u00cdVAR - Pares&amp;Alvarez, Engineering and Projects<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pya.cl\/en\/2026\/04\/06\/cuprochlor-recovery-optimization-for-secondary-sulfides-minera-zaldivar\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CUPROCHLOR\u00ae RECOVERY OPTIMIZATION FOR SECONDARY SULFIDES \u2013 MINERA ZALD\u00cdVAR - Pares&amp;Alvarez, Engineering and Projects\" \/>\n<meta property=\"og:description\" content=\"The Project consisted of modifying the infrastructure in the plant to introduce a leaching process with high chlorine content, using the Cuprochlor\u00ae technology, which Antofagasta Minerals has been using for some years, allowing to improve the recovery of sulphide minerals that exist in the deposit and that are part of its base case. 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