碳质含金物料金回收工艺试验研究  

Experimental study on gold recovery process for carbonaceous gold⁃bearing materials

作　　者：杨明远 沈鑫 乔瞻 陆东辉 隋亭 白杨 张世镖 Yang Mingyuan;Shen Xin;Qiao Zhan;Lu Donghui;Sui Ting;Bai Yang;Zhang Shibiao(Changchun Gold Research Institute Co.,Ltd.;Inner Mongolia Pacific Mining Co.,Ltd.;Hulunbuir Ecological Environment Protection and Development Center;Inner Mongolia Mining Co.,Ltd.,China National Gold Group Co.,Ltd.)

机构地区：[1]长春黄金研究院有限公司 [2]内蒙古太平矿业有限公司 [3]呼伦贝尔市生态环境保护与发展中心 [4]中国黄金集团内蒙古矿业有限公司

出　　处：《黄金》2025年第2期43-48,共6页Gold

基　　金：国家重点研发计划项目(2023YFC2907803)。

摘　　要：针对碳质含金物料的金回收问题,通过分析化学成分、碳物相和粒度分布,研究了碳质含金物料的特性,为工艺优化提供依据。深入探讨了灰化、除杂及浸出等关键工艺的最佳操作条件。研究结果表明,采用灰化—硝酸除杂—王水溶金—熔炼工艺流程回收金,直收率可达96.81%,显著提升了金回收率,为碳质含金物料的金回收提供了有效的技术解决方案。研究结果解决了处理过程中的环境问题,实现了资源有效利用,具有经济和环保价值,为类似物料的金回收提供了科学依据和技术支持,有助于推动黄金产业的技术进步和可持续发展。To address the challenge of gold recovery from carbonaceous gold⁃bearing materials,by analyzing the chemical composition,carbon phases,and particle size distribution,the characteristics of the carbonaceous gold⁃bearing materials were investigated,providing a basis for process optimization.This study explored the optimal operating conditions for key processes such as ashing,impurity removal,and leaching.The results showed that employ⁃ing the ashing-nitric acid impurity removal-aqua regia gold dissolution-smelting gold recovery process achieved a direct recovery rate of 96.81%,significantly enhancing gold recovery rate.The process acts as an effective technical solution for the gold recovery from carbonaceous gold⁃bearing materials.The findings solved environmental issues dur⁃ing the treatment process,realizing effective resource utilization.This approach has both economic and environmental benefits,offering scientific basis and technical support for gold recovery from similar materials and contributing to the technological progress and sustainable development of the gold industry.

关 键 词：碳质含金物料 灰化 除杂 浸出 金回收 熔炼 

分 类 号：TD953[矿业工程—选矿]