山东某浮选金精矿氰化浸出实验研究-豆柴文库

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山东某浮选金精矿氰化浸出实验研究
Title:ExperimentalStudyonCyanideLeachingofFlotationGoldConcentratefromShandongProvince
Abstract:
Thecyanideleachingprocessplaysavitalroleintheextractionofgoldfromflotationgoldconcentrate.ThispaperpresentsanexperimentalstudyonthecyanideleachingofflotationgoldconcentrateoriginatingfromShandongProvince,China.Theobjectiveofthisresearchistoinvestigatetheinfluenceofvariousparametersontheleachingperformance,includingcyanidedosage,pHvalues,solid-liquidratio,andleachingtime.Theresultsprovidevaluableinsightsintotheoptimalconditionsforthecyanideleachingprocessandcontributetothesustainabledevelopmentofgoldextractionoperations.
1.Introduction
Goldextractionfromflotationgoldconcentrateisasignificantprocessintheminingindustry.Cyanideleachinghasbeenwidelyusedduetoitssimplicity,efficiency,andeffectiveness.Theprocessinvolvesdissolvinggoldfromtheorebytreatingitwithacyanidesolution.ThispaperaimstopresentanexperimentalstudyonthecyanideleachingofflotationgoldconcentratefromShandongProvince,China.
2.ExperimentalMethod
2.1MaterialsandEquipment
TheflotationgoldconcentrateusedinthisstudywasobtainedfromaminingcompanyinShandongProvince.ThegoldgradeintheconcentratewasdeterminedtobeXg/t.Sodiumcyanide(NaCN)wasusedastheleachingagent.Theexperimentswereconductedusingalaboratory-scaleleachingreactor.
2.2ExperimentalProcedure
Theexperimentalprocedureconsistedofthefollowingsteps:
1.Weighingandpreparingthedesiredamountofflotationgoldconcentrate.
2.Determiningthesolid-liquidratiobyaddingtheappropriatevolumeofwater.
3.AdjustingthepHvalueoftheleachingsolutionusingabuffersolution.
4.Addingthecalculatedamountofsodiumcyanidetothereactor.
5.Initiatingtheleachingprocessandagitatingthemixtureforaspecifiedperiod.
6.Filteringtheleachatetoseparatethesolidresidue.
7.Analyzingthegoldcontentintheleachateusinganalyticaltechniques.
3.ResultsandDiscussion
3.1EffectofCyanideDosage
Thecyanidedosageisoneofthecrucialfactorsaffectingtheleachingefficiency.Byvaryingthequantityofsodiumcyanideaddedtotheflotationg