comminution pilot plant - mintek · comminution pilot plant ... • concrete drying pad for ore...
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Comminution Pilot PlantMINTEK offers both bench- and pilot-scale testing facilities. The results from these tests are used for simulations, scale-up studies and techno-economic evaluations.Equipment and scale of operation•Concretedryingpadfororedryingandsizing,capacity
up to 2 000 t of material at one time;•Largesamplesofupto2000tcanbetreatedinpilot
campaigns;•Trommelscreenforcontinuousclassificationoforefrom
150 mm to 50 mm;•Crushingandblendingfacility,consistingofa20by10inchjawcrusherfollowedbya2-footstandardheadSymonsconecrusherinclosedcircuitwithavibratingscreen;
•Kilowatt-hourmetersareusedtomeasurethepowerconsumption of the jaw and cone crushers. Access points are available to take belt cuts of all the streams in the circuit; and,
•PilotKöppernHPGRandlaboratoryPolysiusHPGR.
AG/SAG pilot mill •Internaldimensions:1.7mdiameterby0.6mlength;•Typicalthroughput:0.5to1.5t/h,dependingontypeof
ore; and,•Accurateinstrumentationforfeedrate,chargemass
and mill power.Pebble, ball, and rod mills •Internaldimensions:0.86mdiameterby1.5mlength
(smaller mills available);•Typicalthroughputs:0.3to1.0t/hdependingonfeed
material;•Accurateinstrumentationforfeedrateandmillpower;•Variousclassifiersareusedwiththesemills,includinghydrocyclones,screens,andspiralclassifiers;and,
•PebblecrushersarefrequentlyusedincertainAGcircuitoptions.
Major projects completed in the past few years
EvaluationofAG,SAG,ballorpebblemillingcircuitsforbasemetalores:
•NkomatinickelprojectforAvmin,SouthAfrica;and,
•AguaRicacopperoreprojectforBHPCopper,Chile.
Pilot-scaletestworkdonetoevaluateAG,SAG,ballorrodmillingcircuitsonSouthAfricanPGMores:
•ImpalaPlatinumUG2andMerenskyores;
•TwoRivers(Avmin);
•EverestSouthUG2(AquariusPlatinum);
•Ngezi(ZimbabwePlatinumMines);and,
•WinnaarshoekUG2(ImpalaPlatinum).
TargetgoldprojectforAvgold,SA-evaluationofAG,SAG,ball and pebble milling circuits.
Metallurgical audits of comminution circuits (Impala PlatinumandLonminPlatinum).Samplingcampaigns,massbalancereconciliation,laboratoryandpilot-scaletestwork,steady-statecomputersimulationstoevaluatepossiblecircuitmodificationstoincreasethroughputandmaintainorimprovefinenessofgrind.
SpecialistsAdrianHindeJohnnyKalala
For further information contactManager:MineralsProcessingDivisionTel:+2711709-4736Fax:[email protected]
Mintek200MalibongweDrive,Randburg,SouthAfricaPrivateBagX3015,Randburg2125,SouthAfricaTel:+27117094111www.mintek.co.za