4POPHRC.SYST.SU-FROM-T&I-579

NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEHEAVIESREMOVALCOLUMNSYSTEMSTARTUPFROMT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEHEAVIESREMOVALCOLUMNSYSTEMSTARTUPFROMT&IPurposeThepurposeofthisprocedureistopreparetheHeaviesRemovalColumnSystemtoreceivefeedfromupstreamequipmentfollowingmaintenance.Thesystemwillneedtoinitiallyacceptenoughfeedmaterialfromupstreamequipmenttoestablishatotalrefluxconditionoftheequipmentbeingstartedup.TheactofplacingthesystemintotalrefluxistoapplytheproperamountofreboilersteamflowtocreateenoughvaporsintheoverheadsystemtomaintainasteadyandcontinuousrefluxflowratewhiletherefluxdrumlevelcontrollerisinAutomaticcontrol.ConditionsTheHeaviesRemovalColumnSystemhasbeenrepairedandtheequipmentisreadytoreturntoservice.NOTE:Airoroxygencanformapotentiallyexplosivemixturewithhydrocarbons,therefore,nitrogenpurgeallprocesslinesandequipmenttoatmosphereuntilprocesslinesandequipmentislessthan3%oxygen.Donotnitrogenpurgetotheblowdownsystemortheflaresystem.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEHEAVIESREMOVALCOLUMNSYSTEMSTARTUPFROMT&IGUIDELINEEnsurethefollowingitemsarecompleted:•allpumpsuctionanddischargevalvesareopen.•allcontrolvalvesarelinedupwithclosedcontrolvalves.•allcontrolvalvebypassesareclosed.•thecolumnandassociatedequipmentinstrumentationhasbeenconnectedandreadyforservice.•allinsulationisinplaceforpersonalprotection.•allcontrolvalveshavebeenverifiedforproperoperation.•allisolationblindshavebeenturnedtotheproperoperatingpositionaspertheVisualInspectionBlindRemovalProcedure.•allutilityconnectionshavebeenturnedawayfromthevessels,blockedinonthevesselandblinded.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEHEAVIESREMOVALCOLUMNSYSTEMSTARTUPFROMT&I•thecolumnandassociatedequipmenthasbeenpurgedofoxygenaspertheOxygenRemovalofProcessEquipmentprocedure.•thecolumnandassociatedequipmenthasbeenpressuretestedaspertheTightnessTestingofProcessEquipmentprocedure.•Sinceairoroxygencanformapotentiallyexplosivemixturewithhydrocarbons,ensureyounitrogenpurgelinesandequipmentsoatmospheresinsidecontainlessthan3%oxygen.NEVERPURGETOBLOWDOWN,LPFLAREHEADER,ANDHIGHPRESSUREFLAREHEADER.LPVENTGASHEADERORHPVENTGASHEADER.ONLYPURGEOXYGENTOATMOSPHERE.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEHEAVIESREMOVALCOLUMNSYSTEMSTARTUPFROMT&IEnsurethefollowingitemsarecompleted:•allpumpsuctionanddischargevalvesareopen.•allcontrolvalvesarelinedupwithclosedcontrolvalves.•allcontrolvalvebypassesareclosed.•thecolumnandassociatedequipmentinstrumentation/analyzershavebeenconnectedandreadyforservice.•allinsulationisinplaceforpersonalprotection.•allcontrolvalveshavebeenverifiedforproperoperation.•allisolationblindshavebeenturnedtotheproperoperatingpositionaspertheVisualInspectionBlindRemovalProcedure.•allutilityconnectionshavebeenturnedawayfromthevessels,blockedinonthevesselandblinded.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEHEAVIESREMOVALCOLUMNSYSTEMSTARTUPFROMT&I•ensureallPSVsareproperlylinedupperP&ID'swiththePSVbypassesclosed.•ensureallheattracingisplacedbackinservice.•lineupallsightglassesforproperoperation.•Ensurethefollowingvalvesareclosed:•80mmblockvalveimmediatelyupstreamoffeedcontrolvalveand2bypassvalvearoundfeedcontrolvalveonC5StripperBottomstoHeaviesRemovalColumnfeedline.•25mmblockvalveonsamplepointS-0401,upstreamofdownstreamoffeedcontrolvalve.•80mmblockvalvedownstreamofEGMEfeedcontrolvalveand50mmbypassvalveonEGMEtoEGMERegenerator01C0469.•40mmblockvalvedownstreamandbypassaroundHVonvaporstoLowPressureFlareheaderfromHeaviesRemovalColumnCondenser01E0445.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEHEAVIESREMOVALCOLUMNSYSTEMSTARTUPFROMT&I•100mmblockvalvedownstreamandbypassonHeaviesRemovaloverhead(PO)toImpuritiesRemovalColumnafterC5StripperFeedInterchanger01E0457-A/B.•50mmblockvalveondownstreamsideofrotometertoProcessLiquidFueldrum.ThisrotometerislocateddownstreamofFEflowelementtoProcessFuelsSurgeDrum01D0916fromHRCtray#5sidedrawline.•200mmblockvalveupstreamofS10steamtoHeaviesRemovalColumn.•downstreamofLVoncondensatefrom01E0444tocondensatereturnheader.Openthefollowingbleederstoallownitrogenpurgingofsystemtoatmosphereandprovideoxygentestpoints:•downstreamofFVonC5StripperbottomstoHeaviesRemovalColumnfeed.•upstreamofFVonEGMEfromEGMESurgeDrum01D0424toHeaviesRemovalColumnsolventfeed.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEHEAVIESREMOVALCOLUMNSYSTEMSTARTUPFROMT&I•EGMERegeneratorfeed.•downstreamofflowcontrolvalveonoverheadoftheHeaviesRemovalColumntotheImpuritiesRemovalColumnfeed.•downstreamofHVvalveonnoncondensablepurgefromHeaviesRemovalColumnRefluxDrum01D0463toLPFlareHeader.•HeaviesRemovalColumnReboilerPumps01P0468-A/Bcasedrains.•EGMERegeneratorFeedDrumPumps01P0448-A/Bcasedrains.•HeaviesRemovalColumnRefluxPump01P0441A/Bcasedrains.•downstreamofEGMERejectc