某低品位铜钼矿石铜钼优先浮选试验
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第24卷增刊1 2015年6月中 国 矿 业CHINA MINING MAGAZINE Vol.24,SupplJun. 2015西藏某超低品位铜钼矿强化浮选工艺技术研究李 俊1,王立刚2,叶岳华2,陈一峰1(1.西藏玉龙铜业股份有限公司,西藏昌都854000;2.北京矿冶研究总院矿物加工科学与技术国家重点实验室,北京102628) 摘 要:西藏某铜钼矿铜品位0.29%,钼品位0.0082%,属超低品位铜钼矿。
该矿石中主要金属矿物有黄铜矿、辉钼矿、黄铁矿等,脉石矿物主要有石英和白云母。
根据矿石性质,本文研究在粗选时使用新型高效硫化矿捕收剂BKAP,精选时使用新型高效黄铁矿抑制剂BKYN,采用全开路-多次粗选工艺流程,对矿石中的含铜矿物进行强化浮选捕收,最终实验室小型闭路试验获得了铜品位20.11%,铜回收率80.43%的铜精矿,其中含钼0.51%,钼回收率73.18%。
关键词:超低品位;铜钼矿;强化浮选 中图分类号:TD952;TD954 文献标识码:A 文章编号:1004-4051(2015)S1-0361-03Study on the strengthening flotation technologyof ultralow copper-molybdenum ore in TibetLI Jun1,WANG Li-gang2,YE Yue-hua2,Chen Yi-feng2(1.Tibet Yulong Copper Industry Co.,Ltd.,Changdu 854000,China;2.State Key Laboratory of Mineral ProcessingScience and Technology,Beijing General Research Institute of Mining and Metallurgy,Beijing 102628,China) Abstract:A copper-molybdenum ore with Cu grade of 0.29%,Mo grade of 0.0082%,belongs toultralow grade copper-molybdenum ore.The main metal mineral in ore are chalcopyrite,molybdenite andpyrite;and the gangue minerals are mainly quarze and muscovite.According to the ore properties,this paperuses the new type and high efficient sulphide ore collector BKAP in roughing,and BKYN,which is a newtype and high efficient depressant on pyrite,in cleaning,adopts full open-multiple rougning process,tostrengthen collecting of copper minerals.The final laboratory closed-circuit test obtained the copperconcentrate with Cu 20.11%,recovery Cu 80.43%,and Mo 0.51%,recovery Mo 73.18%. Key words:ultralow grade;copper-molybdenum ore;strengthening flotation收稿日期:2015-03-25作者简介:李俊(1974-),男,选矿高级工程师,主要从事有色金属硫化矿选矿研究及生产管理工作。
某低品位铜钼矿选矿试验研究陈一峰;陈旭波;田祎兰【摘要】A low-grade copper-molybdenum ore only contains 0.38% Cuand 0.013% Mo,the valuable minerals are difficult to get effective e BK304 as collecting agent,through the process of "copper molybdenum mixed flotation-copper molybdenum separation",finally molybdenum concentrate grading 41.63% Mo with recovery of 70.71% and copper concentrate grading 24.14% Cu with recovery of 83.98% are obtained bythe small-scale closed-circuit e butyl xanthate as collecting agent,via "two roughing-two scavenging,and three cleaning after regrinding the rough concentrate" flotation process,finally copper-molybdenum bulk concentrate grading 23.30% Cu with recovery of 86.96% and grading 0.73% Mo with recovery of 77.34% was obtained by the small-scale closed-circuit test.%某低品位铜钼矿含铜0.38%,含钼0.013%,矿石铜、钼品位均较低,难以获得理想的选矿指标,资源未能得到有效利用.以BK304为捕收剂,采用"铜钼混选-铜钼分离"工艺流程,闭路试验可获得钼精矿含钼41.63%,钼回收率70.71%,铜精矿含铜24.14%,铜回收率83.98%;以丁黄为捕收剂,采用"二粗二扫,粗精矿再磨后三次精选"的强化选铜工艺流程,闭路试验可获得铜钼混合精矿,含铜23.30%,钼0.73%,铜回收率为86.96%,钼回收率为77.34%.【期刊名称】《中国矿业》【年(卷),期】2017(026)0z1【总页数】6页(P362-367)【关键词】铜钼矿;低品位;混合浮选;铜钼分离【作者】陈一峰;陈旭波;田祎兰【作者单位】西藏玉龙铜业股份有限公司,西藏昌都 854100;北京矿冶研究总院矿物加工科学与技术国家重点实验室,北京 102600;北京矿冶研究总院矿物加工科学与技术国家重点实验室,北京 102600【正文语种】中文【中图分类】TD952某低品位铜钼矿含铜0.38%,含钼0.013%,矿石铜、钼品位均较低,矿物嵌布粒度较细,一直难以获得较好的选矿指标,企业盈利困难。