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[1]陈 龙,高利坤*,董 方,等.高含碳锌窑渣中Cu和Ag的综合回收[J].武汉工程大学学报,2016,38(4):329-332.[doi:10. 3969/j. issn. 1674?2869. 2016. 04. 004]
 CHEN Long,GAO Likun,DONG Fang,et al.Recovery of Copper and Silver from High-Carbon-Zinc Kiln Slag[J].Journal of Wuhan Institute of Technology,2016,38(4):329-332.[doi:10. 3969/j. issn. 1674?2869. 2016. 04. 004]
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高含碳锌窑渣中Cu和Ag的综合回收(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
38
期数:
2016年4期
页码:
329-332
栏目:
化学与化学工程
出版日期:
2016-08-28

文章信息/Info

Title:
Recovery of Copper and Silver from High-Carbon-Zinc Kiln Slag
作者:
陈 龙12高利坤12* 董 方12 马方通12 王 鹏12
1. 昆明理工大学国土资源工程学院,云南 昆明 650093;2. 复杂有色金属资源清洁利用国家重点实验室,云南 昆明 650093
Author(s):
CHEN Long12 GAO Likun12 DONG Fang12 MA Fangtong12 WANG Peng12
1.Faculty?of?Land?Resource?Engineering, Kunming University of Science and Technology, Kunming 650093, China; 2. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming 650093, China
关键词:
锌窑渣浮选联合工艺综合回收
Keywords:
zinc kiln slag flotation combined process comprehensive utilization
分类号:
TQ172.4+4
DOI:
10. 3969/j. issn. 1674?2869. 2016. 04. 004
文献标志码:
A
摘要:
云南某锌窑渣Cu含量1.47%,Ag含量312 g/t,同时,窑渣中碳含量高达23.12%,为综合回收其中的Cu、Ag等有价金属进行了选矿试验研究. 对浮选条件试验进行了研究. 确定了最佳浮选条件并在此基础上进行了浮选闭路试验,结果表明,采用单一浮选工艺处理该窑渣Cu、Ag很难富集,铜精矿品位较低,并最终确定了“脱碳浮选—铜浮选—铜精矿浸出”的联合工艺流程,得到最终铜精矿Cu品位为11.83%,铜精矿含Ag品位为2 616 g/t,Cu、Ag的综合回收率分别为72.03%和75.06%,达到了综合回收窑渣中Cu、Ag的目的. 采用联合工艺流程处理该窑渣避免了单一浮选工艺的局限性,极大地提高了铜精矿的品位.
Abstract:
To comprehensively utilize the copper and silver of a zinc kiln slag in Yunnan with copper of 1.47%, silver of 294 g/t, and carbon of 23.12%, we determined the optimum flotation conditions and carried out the closed circuit test. It was difficult to enrich the copper and silver by the single flotation process, so the combined process of carbon flotation-copper flotation-leaching was used to the kiln slag. Finally, the copper concentrate was obtained. The copper grade is 11.83% and the silver grade is 2 616 g/t. The comprehensive recovery rates of copper and silver reach 72.03% and 75.06%, respectively. The use of combined process to the zinc kiln slag breaks through the limitation of single flotation process and greatly improves the grade of copper concentrate.

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2016-07-29