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有色金属(选矿部分)测试:2019,(5):45-49
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提高难选氧化铜矿选矿回收率试验研究
(1.紫金矿业集团股份有限公司)
Study on Improving Recovery Rate of Refractory Copper Oxide Ores
Sun Zhongmei1,2,3, Long Yi1, Zhang Xingxun1, Xu Qihong1,2,3
(1.Zijin mining group Co.,LTD.,Shanghang Fujian 364200;2.China2.State Key Laboratory of Comprehensive Utilization of Low•Grade Refractory Gold Ores Shanghang Fujian 364200;3.China)
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投稿时间:2019-02-22    修订日期:2019-04-28
中文摘要: 某难选氧化铜矿含铜4.70%,氧化率达到84.89%。铜矿物以孔雀石、辉铜矿和硅孔雀石为主。通过实验室试验浮选药剂制度与工艺的优化,氧化铜精矿品位从22.69%变为22.66%,铜回收率从63.78%提高至68.81。铜矿回收率得到了较大提高。进一步针对现有生产流程进行了药剂制度及工艺流程的优化,优化后在总浮选精矿品位相差不大的情况下,铜总回收率从76.17%提高到了81.57%。
中文关键词: 难选氧化铜矿;矿泥;药剂优化;流程优化
Abstract:The grade of copper in a refractory copper oxide ore is 4.7%, the oxidation rate is 84.89%. Copper minerals are mainly malachite and chalcocite, chrysocolla. Through optimization of flotation reagent system and process by laboratory tests, the grade of copper oxide concentrate has changed from 22.69% to 22.62%, and the recovery has increased from 63.78% to 68.81%. The crcovery rate of copper ore has been greatly improved. After the reagent system and process flow has been further optimized in view of the existing production process. The recovery rate increased from 76.16% to 81.57% when the total flotation concentrate grade was not very different.
keywords: Refractory copper oxide ore;Slime;Reagent optimization;Process optimization;
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作者单位E-mail
孙忠梅 1.紫金矿业集团股份有限公司 szm760214@163.com 
龙翼 1.紫金矿业集团股份有限公司  
张兴勋 1.紫金矿业集团股份有限公司  
徐其红 1.紫金矿业集团股份有限公司  
Author NameAffiliationE-mail
Sun Zhongmei 1.Zijin mining group Co.,LTD.,Shanghang Fujian 364200
China2.State Key Laboratory of Comprehensive Utilization of Low?Grade Refractory Gold Ores Shanghang Fujian 364200
China 
szm760214@163.com 
Long Yi 1.Zijin mining group Co.,LTD.,Shanghang Fujian 364200
 
 
Zhang Xingxun 1.Zijin mining group Co.,LTD.,Shanghang Fujian 364200
 
 
Xu Qihong 1.Zijin mining group Co.,LTD.,Shanghang Fujian 364200
China2.State Key Laboratory of Comprehensive Utilization of Low?Grade Refractory Gold Ores Shanghang Fujian 364200
China 
 
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