Without Mercury - Without Cyanide

iCON Gold Recovery Corporation

Enhanced Gravity Concentration for

Small Scale and Artisanal Miners

iCON is used for...

Hard Rock (No Chemicals Required)

Scavenging/Reprocessing Hard Rock Tails•

Initial Processing of Hard Rock Ores•

Concentrating Ores/Tails for Regional Final Processing•

Alluvial and Dredging

Primaryprocessingwhenyouknowyourgoldistoofineforasluice•

Reprocessing years of old concentrates•

Processing daily sluice box concentrates•

Upgrading Concentrates

Classifying and upgrading sluice concentrates•

Upgrading concentrates for regional processing•

Prospecting, Drilling, Sampling

Analyzingsamplesinthefield.iCONisportableandconvenientlyclassifiesyoursampletogive•

youconfidenceinthesizeofyourgold.

Itiseasilycleanedfromsampletosamplewithoutfearofcontamination.•

Mercury Remediation

iCONhasbeenshowntobethemostcosteffectivemeansofMercuryRemediationintheWorld•

OurConcentratorshavebeenshowntorecover97%ofMercuryfromtailinginasinglepass•

Hard Rock Applications

Hard Rock miners around the world have historically recovered as little as 30% of theirfreegoldusingmercuryamalgamation.TheiCONprocessisbeingusedtoscavenge/reprocessoldtailswithoutusingmercury.TheseminersarenowrecoveringmoregoldreprocessingtailswithiCONthantheoriginalminersrecovered.TheyarealsorecoveringsignificantquantitiesofMercury.

Hardrockminersmustfirstunderstandsomedefinitions:

• FreeGoldhasbeenliberatedanddependingonitssizewillbevisibleinapan.

• FreeMillingGoldisthegoldthatcanbeliberatedbyastandardrotatingballmillorotherlocallyavailablemillingmethods.

• RefractoryGoldisthatwhichisnotrecoverablebystandardmillingand/orleachingprocesses.Thismaybe‘entrappedinsulfides.’Astandardballmillmaygrindyouroreto75microns.

• GravityRecoverableGold(GRG)referstohowmuchgoldyoucanrecoverbasedonhowfineyouaregrinding/millingyourore.

TheGRG(GravityRecoveryGold)testingisavailableatMet-Solvlabs(seelinks).

Thenumber1applicationforiCONi150worldwideisHardRock.The2tphcapacityandtheabilitytorecoverfine,flatmilledgoldareidealforiCON.Themajorminesoftheworldusegravityconcentrationintheirgrindingcircuits.Theconcentratorscanrecoverover90%oftheoverallproductionofmajor/professionalmines.

AtypicalHardRockapplicationwouldinvolveacrusherandballmill.Thematerialwouldbesizeclassifiedusingacycloneinclosed-circuitorsimplyascreeninsemi-closedcircuitmilling.Afterthemillthematerialwillpassthroughtheconcentrator.Themajormineshavea‘recyclicload.’Theirprocessesaredesignedforthefeedtopassthroughaconcentratormultipletimesbeforepassingtothetails.

AHardRockoperatormaychoosetorun1.5tonsperhourofahighgradeore.Hemaychoosetorinsethebowlevery20minutes.Here,hewouldhaverun500kgin20minutesandcollected1kgofconcentrate.Thatisaconcentrationratioof500to1.

Theconcentratewillstillneedtobeupgradedorcleanedtohaveasellableproduct.Some miners around the world are choosing to collect the concentrates from multiple minesitesandcleantheconsataregionalsecurefacility.Thisisknownas‘pre-concentration’.

Whenscavengingoldtailstheoperatormustunderstandthatthereisareasonthefirstminermissedthisgold.Itmaybethatitwaspoorlymilledandneedstobere-milledtoliberatemoregold.Inordertorecoverwhatanotherteammissedtheoperatormustpayattentiontothedetailsandbepreparedtoadjusttheirprocessasrequired.Tounderstandyouroreandhowmuchgoldyoucanexpecttorecover,IGRrecommendstestingyoursamplesatMel-Solvlabs.(seelinks)

www.iconcentrator.com

Alluvial/Placer & Dredging

Thei350isimpactingtheworldofAlluvialMiningandDredgingthewaythei150hasdoneforhardrock.

Alluvialminersoftenignorethefinegoldbecausesluicesandjigscan’tcatchit.Dependingonthesizeandshapeofyourgoldasluicemaybegintolosegoldat40mesh.Somealluvialdepositshave90%oftheirgoldfinerthanthis.Thisiswhereenhancedgravity,iCON,istheonlysolution.

Concentratorsarebeingtestedontheendsofsluicesanddredges.Inthiscasetheoperationisstillcapturingthesameamountofgoldinthesluice.Theaddedvalueoftheconcentratorbecomesveryclear.

After seeing the additional recovery of the concentrator some operators are choosing toredesigntheirprocess.Anefficientplantdesignwouldincludeascreen(typically2mmor10mesh)whereonlythecoarsematerialwillberoutedtoasluiceandonlythefinematerialwillberoutedtoyourconcentrator.AnexampleofthisprocessistheiCONIGR1000/3000Plant.

Comments on Alluvial Mining

PleaseseeseparatedocumentregardingAlluvialMiningandProcessingCLAY.

Upgrading Sluice Concentrates

Any placer miner or dredger understands the vast amount of concentrate you will accumulate.Theyalsounderstandtheincredibleamountofworkrequiredtocleanthecons.Consideringthataconcentrateisalready‘heavy,’ani150operatormayrun1tphthroughaconcentrator.Hemaychoosetorinsethebowlevery6minuteswhichmeansaftereach100kgoffeed.Herethei150willproduce1kgofconsfrom100kgoffeed.

Placerminersalsounderstandtheneedtoclassifytheirconcentrate.Let’ssayaplacerminerisprocessing½inchmaterial.Hewillhavethiscoarsematerialandthefinestsandsinhissluiceconcentrate.Thefirststephereistoclassifyorseparatethisconcentrateintoatleast2sizesofmaterial.TheiCONIGR100Plantwillhandlethisprocessforyou.Thescreenwillseparateyoumaterialinto2mm+and2mm-sizes.(+/-10mesh)Thefinematerialwillbepumpedtotheconcentratorandthecoarsematerialwillgotothenuggettrap.

Togivecompleteconfidenceallclean-upprocessshouldberan2or3times.Whetherusingatableorconcentrator,theminermustpanthetailstodeterminewhenhisissatisfiedwiththeprocess.

YoumaychoosetowashyoursluicedirectlyintoaniCONSlurryPump.Thepumpcould then move the material to your screen to greatly reduce the daily labor involvedincleaningyoursluice,lifting,storingandtransportingthematerial.

Prospecting / Drilling / Bulk Sampling

Thesmallphysicaldimensionsofthei150andIGR100Plantmakethemmobile.The internal structures make them easy to clean from batch to batch or sample to sample.Thei150capacitymakesitidealforprocessingsamplesfromindividualdrillholes.Overallthei150isidealforprocessinganyvolumefromindividualdrillholesuptobulksamplingat2tonsperhour.

TheiCONIGR1000Plantcanprocessupto10tonsperhour.Itisskidmountedformobility.ForlargervolumebulksamplingtheIGR1000Plantmayberightforyou.Thispilotplantwillgiveyouconfidenceinthevariousvaluesacrossyourdepositandintheprocessofusingagrizzly,scrubber,screenandconcentrater.

Methods to Clean Your Concentrates

Thegravimetricconcentratorprovidesaconcentratewhichrequiresfinalcleaningorupgrading.Commonmethodsinclude:

TableTablesandbowlshavebeenproventobeveryeffectiveforfinalcleaning.Theyusenochemicalsaresafefortheenvironmentandyourfamily.Theyarefunandprovideimmediategratification–aftereachcleanupyouwillseehighgradegold.

TheBlueBowlisavailablefromPioneerMininginCalifornia.Itisslowbutproducesaverycleanfinalproduct.Itscapacityisacceptableforthei150.

Atthecapacityofthei350,tablesarethemostcommonmeansofupgradingtheconcentratetoasellableyellowproduct.ThemostcommonbrandintheworldisHolman-Wilfley.

Regional ProcessingRegionalprocessingisbecomingmorecommonaroundtheworld.MinersareusingiCONattheirsiteandtransportingasmallvolumeofconcentratetoregionalprocessingplants.ThisisbecomingthemethodofchoicewherehardrockminershavelearnedthevalueoftheirtailsandareusingtheiCONtopre-concentratetheir

product.

Cyanide LeachingThisistherecommendedmethodoftheGlobalMercuryProgram.Withoutpre-concentration the volume of material to treat and the amount of chemicals are tremendous.Concentrationallowstheoperatortotreatareasonableamountofmaterialeitheronsiteoratregionalfacilitiesservingmanymines.

Mercury AmalgamationThis is not recommended due to the environmental impacts and the effectiveness of bowlsand/ortables.Whenpracticing‘wholeoreamalgamation’aminerwillplacemercurydirectlyintotheballmillorsluice.Inthiscase100%oftheoreisexposedtomercury.Whenaconcentratorisusedtheamountoforecanbereduceddramaticallytoasmallamountofconcentrate.1ton(1000kg)oforecouldbereducedto1kgofconcentrate.Iftheminerchoosestoamalgamatetheconcentrateonlyafractionofthe mercury would be used and only a small percentage of the ore would be exposed toHg.

What is iCON

iCONisafamilyofproductsspecificallydesignedtorecoverfinegoldandprovidethecorrectmodularprocesstovariousregionsoftheworld.iCONwasdesignedby the professional engineers at Falcon Concentrators and uses the same patented technologiesusedatthelargestminesintheworld.

TheheartoftheiCONfamilyaretheworldfamousi150andi350Concentrators.iCONusesclassificationandenhancedgravityinitscentrifugalconcentratorstoensurethatyouarerecoveringthemostgoldpossible.

InadditiontoconcentratorsiCONoffersalineofcompletemodularplantsforAlluvialandEluvialoperations.Weofferscrubbersplantforclayandscreendecksforcleangravel.

iCONissupportedbygovernmentsaroundtheworldduetoitsabilitytorecovergoldwithouttheuseofmercury.iCONwasdesignedfortheUnitedNations’GlobalMercuryProjecttobringprofessionaltechniquestosmallminersthroughouttheworld.iCONusesthesameproventechnologyastheFalconbrandofprofessionalminingproducts:itwasdesignedbyFalcon’sengineersandisnowaproductofiCONGoldRecoveryCorp..HistoryandEnvironmentalResponsibilityarediscussedonourwebsite.

FeaturesthatmakeiCONConcentratorsidealforsmallscaleapplicationsinclude:

•Lowmachineweight•EaseofInstallation•Onlyonemovingpart•Useofwearcomponentsreadilyavailableindevelopingareas•Rigidstructureconducivetorunningathighspeeds•Lowacquisitionandoperatingcosts•Aproven,robustandsimplemechanical/electricalplatform•Efficientcleanout•Highconcentrationratios

AlliCONproductsincludeaVFD/SoftStart•Valuepricedwellbelowthecompetition•Short 1 minute rinse times•Simple push button start/stop•

How It Works

TheiCONConcentratorisdesignedtocaptureallheavymineralsincludingGold,SilverandPGMsandMercury.Itusesenhancedgravitytoconcentrateveryfine,freemineralsthatarenotrecoverableusingthetraditionaltechniquesofsmallscaleandartisanalminers.Thetechnologyisbasedonthebatch-typeFalconconcentratorand designed by the same Falcon engineers that design concentrators for the largest minesintheworld.

Inoperation,materialisfedasaslurryofmineralsandwaterintoarotatingbowlthatincludesspecialfluidizedgroovesorrifflestocapturetheheavies.Periodically,arichconcentrateisrinsedoutandrequiresfurtherupgradingtobeturnedintoafinalgoldproduct.

General Comments on Mineral Processing

Throughouthistorygoldprocessinghasbeenplaguedwithinefficiencyandcontamination.Millionsofdollarsoffinegoldhavebeendiscardedinthetailsor“washeddownthecreek”duetoinadequateprocessing.Otheroperationshavelongputthehealthofbothworkers,andourplanetatriskwiththeuseofmercury,cyanideandotherdangerouschemicals.iCONtechnologysuccessfullyaddressesbothissues,ensuringthatthehighestpercentageofgoldisrecoveredandnohazardouschemicalsareneeded.

Themostimportantfactorinmineralprocessingisclassification;therelativesize

ofthegoldyouareprocessingmustbeknown.Mineralprocessingisexpensiveandtimeconsuming.Processinglargematerialthatisknowntohavenovalue,costsbothmoneyandtime.Withclassification,time,energyandmoneywillnotbewastedprocessingexcessmaterialthatisknowntohavenovalues.Forexample,ifyouknowthatyourlargestgoldis.5mmthenthereisnoreasontoput10mmmaterialthroughyourprocess.Also,thelargefeedwillaffecttheefficiencyofanyprocess.Thelargematerialwillhindertherecoveryofthefinermaterials.Forexample,oneminerimprovedhisrecoveryfrom40%to70%simplybyscreeninghisfeedfrom8mmto2mm.Nogoldwaslost,becausehislargestgoldwasaround.5mm.TheiCONmethodwillimproveyourprocessbyscreeningyourfeedtothepropersize(reducingthevolumeoffeed)andincreasingthepercentageofgoldthatyourecover.

iCONusesa2stepprocess;classificationandconcentration.Yourfeedwillbescreenedto2mm(orlessbasedonyourresults)beforeprocessingintheconcentrator.Anymateriallargerthanthescreenwillpassoverthenuggettrap.ThiswillgivetheuserconfidencethattheyarecollectingtheBIGgoldwhileminimizingthefeedtotheconcentratorandmaximizingitsefficiency.

Batch Process / Cycle Time

TheiCON“i”seriesofconcentratorsuseabatchprocess.Yourcycletimewilldependonthegradeandweightofyourfeed.Aheavyorrichfeedwillneedashortercycletime.TheiCON“i”seriesconcentratorscanbecleanedoutin1minute.

HardRockoperationsmayhave100gramsofgoldpertonoffeed.Thisisveryrich.Inthiscaseitiscommontorunforonly20minutesbetweenrinsecycles.

Alluvialoperationswithheavyblacksandmayrun20minutecycles.Withoutblacksandanalluvialcycletimemaybeupto2hours.

Whenupgradingconcentratesyouwillbeprocessingrichandheavymaterial.Inthiscasethecycletimemayalsobeonly10minutes.Hereyoumaybefeedingat½tonperhourtothesmalleri150.

Everyfeedisdifferent.Thepropercycletimeforyouwillbedeterminedbyanalyzing/planningthefreegoldinyourtailsandadjustingyourprocesstofityourore.

Capacity

Thethroughputofthei150centrifugalconcentratorisnominally2tonsperhour.Ifyouhavelargematerialinyourfeed,ifyouhaveaheavyfeedorifyouareusingiCONto‘upgrade’aconcentratethethroughputwillbereduced.Alloresandall

processesaredifferent.Eachusermustassesstheirsituationaswithanymineralrecoveryprocess.

i150 Process Examples

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Feed RateTons per Hour 2 0.5 2 1-2 1-2Kilograms per Hour 2000 500 2000 1000-2000 1000-2000

Batch TimeMinutes 120 30 <5 10 10

Feed per Batch 165 165

Kilograms 4000 250 20 Kg Sample 330 330

Concentrate VolumeKilograms 1 1 1 1 1

Concentration Ratio 165:1 165:1Ratio 4000:1 250:1 20:1 330:1 330:1

What to Expect from iCON

It is common for internet advertisements to show a process where a small amount of gravel goesinandalargequantityofbrightshinygoldcomesout.Experiencedminersknowthisisnotthecase.Asluiceboxisagravityconcentrator.Let’ssayyouput1000kgoffeedoveryoursluice.Attheendoftheday,youmayhave50kgof‘concentrate.’Thisconcentrateisnotbrightandshiny,infact,itlooksjustlikethefeedmaterial.Thismaterialhastobepostprocessedtofurther‘cleanyourcons’andgiveyouasellableproduct.Althoughasluicecangiveyouaveryhighconcentrationratio,itisnoteffectiveforrecoveringfinegold.Inthecaseofsluiceoperations,minersarechoosingiCONtoreprocessoldtailsandrecoverthevaluesleftbehindbysluiceoperations.

Whenusingan‘enhancedcentrifugalconcentrator,’youmayputupto1000kgintotheprocessandget1kgout.Thiswillbea‘concentrate.’Itwilllookjustlikethefeedmaterial.Somepeoplechoosetosellthisconcentratewhileotherschoosetocontinuerefiningittoshiny,clean,highgradegold.

This photo shows what your concentrate maylooklike.

Itwillnotbepuregoldandwillrequire

postprocessing.

Thisphotoreveals2sizesofgold.

ThelargermaterialpassedovertheiCONScreenandwascaughtinthenuggettrap.

Thefinergoldwasrecoveredinthe concentrator.Itisthesamematerialfromabove.

www.iconcentrator.comThe iCON Product Line

iCONGoldRecoveryCorp.offersawiderangeofgoldrecoveryplantsandsellsthe componentsindividually.Theproductlineincludes:

• iCON i150 Concentrator

• iCON i350 Concentrator

• iCON iPump 1.0

• iCON iScreen 15 Inch x 29 Inch

• iCON IGR 100 Plant

• IGR 500 Sluice Tails Plant

• iCON IGR 1000 Plant - Dual i150 Scrubber Plant for Clay

• IGR 3000 Plant – now available ‘a la carte’

• i350 Battery Plant

• 100 TPH Modular “a la carte” Scrubber Plant