optimising minerals processing - amazon s3 · 2019. 2. 4. · processing being undertaken....
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Optim
isingmineralsprocessing
hrl:
OptimisingmineralsprocessingUsingtechnologytominimiseenergyusedandmaximiseresourcesrecovered
Challenges
Mineralprocessingplantsneedtoeconomicallyandsustainablyseparatevaluablemineralsfromwaste.Numerouschallengesexistfortheoptimisationofmineralprocessingplantsinacosteffectiveandenergyefficientmanner.Specificchallengesinclude:• themaintenanceorincreaseinthroughputthroughthe
mineralprocessingcircuitswhilstensuringrecoveryandgradeofproductsareacceptablecommensuratewithconsistentcashflowandminimisationofenergyusageandproductioncosts
• ensuringthatmaintenance,lifetimeandutilisationofequipmentisconsistentwithcashflowandprofitrequirements
• usingand/ordevelopmentofsensortechnologiessothatprocessvariablesforthemineralprocessingassetsaredeterminedaccurately,reproduciblyandprecisely.Thisrequirementfacilitatescorrectdeterminationofprocessperformanceindicatorsaswellasopportunitiesforimprovedprocesscontrol
• reducingenergyandwaterconsumption• reducingenvironmentalimpacts• improvingprocessingtechnologysothatmarginalore
bodiesareaccessibleforprocessing• theunderstandingoftheorebodyandhowits
characteristicsinfluenceitsprocessing(geometallurgy)• theunderstandingoftheprocessproductsandhowthey
influencethesubsequentstepssuchassmelting/refining.
Thechallengeinimprovingtheoverallprocessisthatmakingevensmallchangestooptimiseonesectionoftheflowsheetcanhaveunintendedorunwantedimpactsonseveralothersections.Thekeyistounderstandexactlywhatishappeningwithineachareaofaplantandwitheachaspectoftheprocessingbeingundertaken.
Solutions
Anunderstandingofthemineralprocessingflowsheet,theoremineralogyandunitoperationsprovidevaluableinsightintotheoptimisationthatmayberequired.Thisinsightcanbeobtainedusingplantsurveys,appropriatesensormeasurementsandanunderstandingoftheprocessingroute.Insomesituationsthesensorormeasurementapproachneededforplantoptimisationmaynotyetbeavailable.
Mineralsands,likeothermineralprocessingindustries,facesnumerouschallengesinoptimisingplantperformance.
However,aparticularwayofthinkingabouttheprocess–usingmathematicalmodelsandmultipletypesandnumbersofsensors–mayyieldtheinformationneededfortargetedoptimisation.
Thefundamentalsciencesupportingthediverseprocessesassociatedwithmineralsprocessingiscommontomanyindustries,allowingknowledgefromotherindustriestobeapplied.Therequirementsofenergyefficiencyandsustainabilityarealsocommontomanyindustries.Wherenecessarytheresearchinganddevelopingofnewtechnologyisalsoavailable.
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HRLcanalsoprovideworld-classexpertanalyticalservicesinrelationtooptimisingmineralsprocessingplantoperation.
Drawingonmorethanthreedecadesexperience–includingextensiveonsiteworkonmineralprocessing,sugarprocessing,coalandpowerstationoptimisation–HRLpersonnelcanassistwiththekeystepsusedinmineralprocessingoperationssuchascomminution,gravityconcentration,anddewatering.
Benefits
HRL's world-class expert analysis services assist clientdecision-making by providing informed predictions of thedownstream processing performance of specific ores –information that is critical in evaluating a resource, and intakingthedecisiontodevelopthatresource.
ClientsbenefitfromHRL'sworld-classexpertanalyticalservicesthathelppredicttheperformanceoftheirprocessingplant.
Clientsenjoyprocessoptimisationthathelpsdeliver‘concentrate’tomeettheirneedforcost-effectiveorehandling,transportandfurtherprocessing.HRL'sanalyticalservicesincludingassistanceto:
• developmethodstoallowcost-effectiveprocessingoflow-gradeorproblematicores
• optimiserecoveryratesofvaluablemineralsfromoreprocessed
• transformmaterialintoaphysicalformthathelpstooptimisedownstreamprocessing
• removeminorortoxicelementstoimprovegrade,recoveryanddownstreamprocessing
• reduceprocessinginputsincludingenergy• reduceenvironmentalimpacts.
Needmoreinformation?Gotohrl.com.au
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