江西富家坞矿床铜钼矿石中铼元素的赋存状态及其回收影响因素分析

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1、江西富家坞矿床铜钼矿石中铼元素的赋存状态及其回收影响因素分析夏瑜塾光«周卫宁张新漫马鬼锴中国有色桂林矿产地质研宄院有限公司摘要：查明铼在矿石矿物屮的赋存状态是对铼进行综合回收的前提。以往研宄缺乏针对德兴富家坞矿床铜钼矿石中铼的赋存状态研宄。对此，本文通过化学分析、岩矿鉴定、电子探针分析、筛析试验和平衡配分等方法和手段，对富家坞矿床中蚀变花岗闪长斑岩型和千枚岩型铜钼矿石进行了系统的工艺矿物学研究，查明了矿石中铼的赋存状态及影响其冋收利用的因素。研究未发现独立铼矿物，铼分散分布于辉钼矿、黄铜矿、黄铁矿、方铅矿和锆石等矿物屮，含量范围为0.001%°.26

2、7%。辉钼矿为铼的富集和回收的目标矿物，其铼含量高达684X106,且铼在不同粒级中与钼的品位变化具趋同性。对两类铜钼矿石的铼进行综合回收时需考虑辉钼矿含量及脉石矿物种类的差异性，分类利用矿石；同时，对矿石进行破碎细磨吋，应避免矿石过粉碎问题，以提高+0.023rrnn粒段中铼的综合冋收率。关键词：铼赋存状态;辉钼矿;蚀变花尚闪斑岩型铜钼矿石;千枚岩型铜钼矿石;宣家坞铜钼矿床；作者简介：夏瑜，硕士，工程师，从事矿物学、岩石学、矿床学研究。E-mail:2047508588@qq.com。收稿日期：2017-03-27StudyontheOccurre

3、nceStateofRheniuminCopper-MolybdenumOrefromtheFujiawuDeposit,JiangxiProvinceandFactorsAffectingReRecoveryXIAYuPENGGuang-juZHOUWei-ningZHANGXin-haiMARong-kaiGuilinGeologyandMiningCo.，LTD.，ChinaNonferrousMetalGroup;Abstract：UnderstandingtheoccurrenceofReinoremineralsistheprerequi

4、siteforcomprehensiverecoveryofrhenium.ThestudyontheoccurrenceofReincopper-molybdenumoresofFujiawudepositislacking.Chemicalanalysis,opticalmicroscopicidentification,electronprobeanalysis,sieveanalysisandbalanceclassificationwereusedtosystematical1yprocessamineralogystudyonthepor

5、phyrytypecoppcr-molybdcnumorcandphyllitetypecopper-molybdenumorefromtheFujiawucoppermolybdenummine,inordertounderstandthepresentstateofReinoresandthefactorsaffectingtherecoveryandutilizationofReinores.Noindependentrheniummineralshavebeenfound,andReisdispersedinmineralssuchasmol

6、ybdenitechalcopyrite,pyritc,galena，andzircon.ThecontentofRerangesfrom0.001%to0.267%.MolybdeniteisthetargetmineralforenrichmentandrecoveryofRewithRecontentupto684X10b.Moreover,thegradechangeofReandMoissimilarindifferentparticlesizes.ForthecomprehensiverecoveryofRefromtwotypesofc

7、opper-molybdenumores,thedifferencesinmolybdenitecontentandtypesofgangucmineralsshouldbetakenintoconsideration,andtheoretobeusedshouldbeclassified.Meanwhile，whentheoreiscrushedandground,itshouldnotbecrushedexcessively,inordertoimprovethecomprehensiverecoveryofReat+0.023mm.Keywor

8、d：occurrenceofrhenium;molybdenite;alteredgranodioritep