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提高含砷金精矿二段焙烧—氰化工艺金浸出率的试验研究

Experimental researches on enhancing gold leaching rate of a gold concentrate containing arsenic with two-stage roasting and cyanidation technique

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【作者】 薛光王永新薛元昕

【Author】 Xue Guang1,Wang Yongxin2,Xue Yuanxin3(1.The 7th Gold Detachment of Chinese People’s Armed Police Force; 2.Hebei Huailai Hongda Mining Industry Co.,Ltd.; 3.Yantai Vocational College)

【机构】 中国人民武装警察部队黄金第七支队河北怀来宏达矿业有限公司烟台职业学院

【摘要】 在试验研究基础上,提出了一种提高含砷金精矿二段焙烧—氰化浸出工艺金浸出率方法。试验结果表明,含砷金精矿经一段焙烧(450~500℃)除砷后,加入一定量的添加剂SR,再进行二段焙烧(630~650℃),然后经稀硫酸除铜后进行氰化浸出,可使金的氰化浸出率提高4.65%。该方法可获得较好的经济效益和社会效益。

【Abstract】 Based on experimental researches,a two-stage roasting and cyanidation technique is proposed to enhance the gold leaching rate of a gold concentrate containing arsenic.After the first stage roasting(450~500 ℃) to remove arsenic,an additive SR is added before the second stage roasting(630~650 ℃),and then dilute sulphuric acid is used for copper removal,the final process is cyanidation leaching.The test results show that the leaching rate of gold increases 4.65%,and good economic and social benefits are obtained.

  • 【分类号】TF831
  • 【被引频次】15
  • 【下载频次】191
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