重选在黄金选矿生产中的研究与应用

3,,,,,264501:,,,,,:;;;;:TD922:A:100522518(2008)0620044204,230t/d,,315t/d,,,9.98%33.46%,23.48%,,,,30%,30%11.1[1],,11Au/gt-1Ag/gt-1Cu/%Pb/%Zn/%Fe/%S/%12.1530.180.080.00870.01686.423.2Bi/%As/%Te/%SiO2/%Al2O3/%CaO/%MgO/%0.00150.010.00666.772.670.730.271.2,;,22/%22.070.160.020.030.0477.651001.33/mm0.0740.30.010.0740.01/%345974/%80.69.30.79.434,,,90.6%80.6%,22.1,1,(Au:50%),9.98%52.2:,,166200812GOLDSCIENCEANDTECHNOLOGYVol.16No16Dec.20083:2007206224;:2008207228.:(19582),,,15/gt-1/%/gt-1/gt-1/gt-1/%/%12.949.9811.9591.710.3997.1497.366()/%/gt-1/%+10027.760.1813.09-100+20020.090.2211.58-200+40024.560.1610.29-40027.590.965.04100.000.39100.00,,,56,9.98%,0.39g/t,(-400)0.9g/t,65%,,31619g/cm3,4.95.1g/cm3,2.6g/cm3,,[2,3],,3.1[4](1),62S1100500,77/kg/%/gt-1/g/%10010012.0812081002.62.682.6214.7617.7897.497.410.19993.2482.22,80g/t,17.78%,,,(2),,8,90g/t,,18.74%,24.29%8/kg/%/gt-1/g/%96.0012.421191.847.177.4750.52362.2330.39180.000.5090.007.552.402.5093.05223.3218.744.774.9710.2548.914.10,1.2%0.15mm,[3],10.25g/t,3.2,100806040=3322100806040=2332,,-40017.2%13.5%3.3[5],,,,,20075:(1):0.43m20.54m2,2.1m3m(2),(3)100806040=3322100806040=2332(4),32,2,9109/t/%/gt-1/g/%108.009.801058.408.938.2745.60407.2138.47135.000.5067.506.383.202.9695.80306.5628.965.735.315.7833.153.1354:10/td-1/gt-1%g/t%/23012.949.980.3997.36483159.835.340.1998.07328525.36-0.20.71-1611()/%/gt-1/%+10034.120.1627.46-100+20024.360.089.80-200+40016.10.086.48-40025.420.4456.26100.000.19100.001,,3000,30%,0.2g/t,-4000.9g/t0.44g/t,1.1%20.56%3.4,230t/d315t/d,2.84832,16/10=1600.2g/t,0.71%,10,10.08g/t,100000t9.8g/t0.64%=6958g,200,139;2994[6],,,30%,30%,,,64WANGJiqingetal.:ResearchandApplicationofGavitySeparationontheProductionofGoldMineralProcessingGOLDSCIENCE&TECHNOLOGY,,[1]JO1[J].,2007,44(1):428.[2].[M].:,1983:57258.[3].[M].:,1982.[4].[J].,1996,(6):34236.[5].[J].,2004,20(10):46247.[6].[J].,2004,12(5):24224.ResearchandApplicationofGavitySeparationontheProductionofGoldMineralProcessingWANGJiqing,MENGFanli,WANGPing,YANGXinhua,NANKuisongShandongJinzhouMiningGroupCo.,Ltd.,Rushan264501,Shandong,ChinaAbstract:Ontheproductionofgoldmineralprocessing,gravityseparationiswidelyappliedtoprerecoverythecoarsegrainedgoldinthegrinding2classificationprocess.Werealizethemoreandearlyrecoveryofthegold,futherreducetheoregradeoffloatationandincreasetheprocessingcapacityanddressingrecovery.Finally,Weachievethereduc2ingofthebeneficiationcostandenegyconsumption.Keywords:Gravityseparation;Gold;Mineralprocessing;Recovery;Goldproduction(43)AnalysisandDeterminationofGoldinCarbon2containingOreFUYongjiHunanXinlongMiningCo.,Ltd.,Xinshao422927,Hunan,ChinaAbstract:Becauseoflowgoldcontentinore,themethodsofpretreatment,sampledissolution,separation,enrich2mentanddeterminationshouldbeadoptedaccordingtothecharactersoftheoresamplestofindthegoldout.AimingatanalyzingthegoldintheoresofHunanXinlongMiningCo.,Ltd.inDongan,wechoosetheoilofvitriol,concen2tratednitricacid,andpotassiumchloratetopretreatthesamples,thenaddaquaregiatodecomposethem,finally,usethiomichlersketonespectrophotometrytodeterminategold.Wecanfindthatthemethodintroducesinthispaperissuperiortotheothersbycomparison.KeyWords:Gold;Carbon2containingore;Analysisanddetermination;Hunan50t,,,,,1952,15,651,75,1763km2,,8km,,,,44km,8,50t,,5,,74: