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冶炼技术与装备研发

SART工艺处理氰化提金循环液的关键技术研究与产业化应用

  • 钱虎 , 1 ,
  • 隋靖 2 ,
  • 赵艳玲 3 ,
  • 徐忠敏 , 1
展开
  • 1. 招金矿业股份有限公司,山东 招远 265400
  • 2. 山东美华特水处理科技有限公司,山东 招远 265499
  • 3. 沈阳焦煤股份有限公司红阳三矿选煤厂,辽宁 沈阳 111307
徐忠敏(1972-),女,黑龙江哈尔滨人,研究员,从事黄金选冶生产工艺技术研究工作。

钱虎(1974-),男,安徽枞阳人,工程师,从事黄金选冶生产工艺技术研究工作。

收稿日期: 2022-12-19

  修回日期: 2023-06-16

  网络出版日期: 2023-09-20

基金资助

“十三五”固废资源化国家重点研发项目子课题“常规氰渣选冶联合无害化处置与全组份利用集成技术工程示范”(SQ2018YFC1902003)

Key Technology Research and Industrial Application of SART Process in the Treatment of Cyanide Gold Leaching Circulating Liquid

  • Hu QIAN , 1 ,
  • Jing SUI 2 ,
  • Yanling ZHAO 3 ,
  • Zhongmin XU , 1
Expand
  • 1. Zhaojin Mining Co. , Ltd. , Zhaoyuan 265400, Shandong, China
  • 2. Shandong Meihuate Water Treatment Technology Co. , Ltd. , Zhaoyuan 265499, Shandong, China
  • 3. Hongyang Three Mines Coal Preparation Plant, Shenyang Coking Coal Co. , Ltd. , Shenyang 111307, Liaoning, China

Received date: 2022-12-19

  Revised date: 2023-06-16

  Online published: 2023-09-20

摘要

为实现氰化循环液中有价金属的综合回收,通过开展酸化法与SART工艺(硫化—酸化—再循环—浓缩工艺)对比试验,最终确定采用SART工艺对国内黄金行业氰化提金过程中产生的循环液进行净化处理。通过开展SART工艺控制参数的试验研究,并应用于工业化生产,实现了氰化循环在液相中锌和铜的分步回收、分离沉淀,分别产出47.45%的锌泥和54.38%的铜泥,以高品位沉淀物产品加以回收,并将弱络合氰转化成游离NaCN再回到生产系统循环利用,从而降低氰化工艺的成本。SART工艺的应用,既实现了有价金属回收,降低了成本费用,又解决了劳动就业,减轻了后续冶炼及环保压力,取得了较好的经济、环境及社会效益。

本文引用格式

钱虎 , 隋靖 , 赵艳玲 , 徐忠敏 . SART工艺处理氰化提金循环液的关键技术研究与产业化应用[J]. 黄金科学技术, 2023 , 31(4) : 698 -706 . DOI: 10.11872/j.issn.1005-2518.2023.04.183

Abstract

In order to realize the comprehensive recovery of valuable metals in the cyanide circulating liquid,the comparative test and analysis of acidification and SART processes(Vulcanization-Acidification-Recycling-Concentration Process) was conducted,and the application of SART process was finally determined.Then the circulating liquid generated in the cyanide gold extraction process of the domestic gold industry was purified for the first time,and the step-by-step recovery and separation and precipitation of zinc and copper in the liquid phase of the cyanidation cycle were realized.47.45% zinc mud and 54.38% copper sludge were produced respectively,and recovered with high-grade precipitate products.And the weakly complexed cyanide is converted into free sodium cyanide and then returned to the production system for recycling,thereby reducing the cost of the cyanidation process.The application of SART process not only realizes the recovery of valuable metals,reduces the cost,but also solves the employment problem,reduces the pressure of subsequent smelting and environmental protection,and achieves good economic,environmental and social benefits.

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脚注

http://www.goldsci.ac.cn/article/2023/1005-2518/1005-2518-2023-31-4-698.shtml

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