Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
MembershipCOMPANYMEMBERSAprimaryroleoftheADAAistobringtogetherproducersandmarketersofcoalcombustionproductsCCPs.OuractivitiescoverresearchanddevelopmentintoCCPusageadvocacyandtechnicalassistancetoCCPproducersandusersaswellasaforumfortheexchangeandpublicationofCCPinformation.FormoreinformationontheAssociationvisitusaswww.adaa.asn.auAlintaEnergyGroupLtdBoralCementLimitedCaleraCorporationCementAustraliaPtyLtdCSEnergyLtdD2GJointVentureDeltaElectricityEraringEnergyFlyashAustraliaPtyLtdHyrockPtyLtdIndependentFlyAshBrokersPtyLtdIntergenMillmerranInternationalPowerKellerMineFillJVLoyYangPowerMicrosilicaPtyLtdNRGGladstonePowerStationStanwellCorporationTarongEnergyTRUenergyVerveEnergyRELATEDASSOCIATIONSUKQualityAshAssociationwww.ukqaa.org.auAmericanCoalAshAssociationwww.acaa-usa.orgAroundthePowerStationsTRUenergyYorrickNicholsonTRUenergyawhollyownedsubsidiaryofChinaLightandPowerGroupaHongKongbasedcompanyoperatespowerstationsintheLatrobeValleyYallourninVictoriainJamestownHallettinSouthAustraliaandnearWollongonginNewSouthWalesTallawarraandownsandoperatestheIONAGasstoragefacility.AsaretailerofbothgasandelectricityTRUenergyalsoservicesaround1.3millionhouseholdandbusinesselectricityandgasaccountsthroughouttheeasternseaboard.TheTRUenergyYallournplantgenerates1480MWofelectricityandrepresents22oftheelectricityrequirementsforthestateofVictoria.YallournrecentlycompleteditsUnit3majoroutage.Theoutagespanningatotalof54daysinvolvedasigniCcantcapitalworksprogramwhichincludedtheinstallationofanewHighandIntermediatePressureHIPturbine.PicturedaboveisthenewHIPturbinetravellingtositeandbeingofDoadedwithinthestation.Themajoroutageencompassesworksonallaspectsoftheasset.OnekeysuiteofworkwastoimproveboilerefCciencyandthecombustionprocessestherebyaidingineffectiveoperationofourcoalcombustionproductsCCPscollectionplant.AspartofimprovingCCPshandlingfacilitiesthemajoroutageincludedthereplacementoftheexistingfurnacebottomashhopperandincorporateddesignimprovementstoimprovecollectionandtransferofthematerial.Anx18ashhopperx19isessentiallyalargewater-ClledvesselsituatedimmediatelybeneaththeopeninginthebaseofthefurnaceenclosuretoassistinthecollectionoffurnacebottomashFBA.Furnaceashingisacyclicprocessaspulverisedbrowncoalisburntinthecombustionchamberlargerashparticlesagglomerateandfallintothewater-Clledhoppersinpreparationforsluicing.TheFBAformsaslurrywiththewaterinthehopperswhichmustbesluicedoutperiodicallyandthehoppersreClledwithwater.Theashsluicingsystemcarriesoutthisprocessinanautomaticsequencewhichisinitiatedbytimersatpredeterminedintervals.CoincidentwiththisprojecttheADAASustainabilityCapacityBuildingprogramworkedcloselywithLatrobeValleyGeneratorstoachievesustainabilityimprovementsbyCndingbeneCcialreusesforanindustryby-productCCPswhicharenotcurrentlybeingeffectivelyutilised.SeveralnewlowcarbonproductopportunitieshavebeenidentiCedduringan18-monthexplorationofwaystoutiliseCCPintheLaTrobevalley.Seefullstoryonpage8.Theashhopperreplacementprojectsuccessfullymanagedthedesignconstructionandinstallationphasesofthework.Installationactivitywasparticularlychallenginggiventherequirementtomanagekeyinterfaceareasbothonthebottomoftheboilerandinthesurroundingmillingplantarea.02ADAAOCT10OldAshHopperNewAshHopperSection