TBACAT.RES.EVAP.SYST.EMERG.SD-626

NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECATALYSTRESIDUEEVAPORATORSYSTEMEMERGENCYSHUTDOWNGUIDELINENOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemEmergencyShutdownPurposeThepurposeofthisprocedureistoshutdowntheCatalystResidueEvaporatorSystemtoasafeconditionintheeventofanemergencyshutdown.ConditionsAnemergencyshutdownoftheCatalystResidueEvaporatorSystemshouldoccurintheeventofagasketfailure,linerupture,fire/explosion,orautilitiesfailure.Inanemergencyshutdowncondition,onlythecontrolvalveswillbeclosedusingthevalve'scontrollerunlessacontrolvalveissuspectedofleakingthrough.Inthosespecialcases,ablockvalvewillhavetobemanuallyclosedtoeliminatetheleakage.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemEmergencyShutdownGUIDELINEGasketfailure,linerupture,fire/explosion:•ShutdowntheTBARecoveryBottomsPump01P0309-A/B.•ClosethecontrolvalveFV-34218ontheTBARecoveryColumnbottomstotheResidueEvaporatorFlashDrum.•ShutdownTBAPurificationColumnOverheadPump01P0357-A/B(acetoneflushisroutedtothecapillariesonthebottomsleveloftheResidueEvaporatorFlashDrum).•CloseTV-39001totheResidueEvaporatorExchanger(thiswillfloodtheResidueEvaporatorExchangerswithcondensatepreventingheatfromflowingthroughtheexchangers).•ClosethecontrolvalveLC-39017Bonthedistillatetoprocessfuel.•De-inventorytheResidueEvaporatorFlashDrumtotheCatalystResidueTank.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemEmergencyShutdown•ClosethecontrolvalveFV-39018onrecyclelinefromthedischargeofMoBottomsPump01P0364-A/BtotheResidueEvaporatorExchanger.•ClosethecontrolvalveLV-39017Aon01D0390bottomstotheCatalystResidueTankafterde-inventoryofResidueEvaporatorFlashDrum.•ShutdowntheMoBottomsPump01P0364-A/BwhentheResidueEvaporatorFlashDrumisde-inventoried.•ClosethecontrolvalveAV-39055onnitrogentooverheadlineofResidueEvaporatorFlashDrumNote:Nitrogencontrolvalvehasabypassfloworificeandmustbeblockedinpiperacktostopallflowofnitrogentooverheadline.•De-inventorytheResidueEvaporatorDistillateDrumtotheProcessFuelSurgeDrum.•ShutdowntheResidueEvaporatorDistillatePump01P0365-A/BwhentheResidueEvaporatorDistillateDrumisdeinventoried.•ShutdowntheResidueEvaporatorVacuumPackage.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemEmergencyShutdown•Isolatetheleak.•Depressuretheaffectedarea.•Ensurethefirefightingequipmentisavailableforfirefighting,vapordispersal,orequipmentcooling.Utilitiesfailure:NOTE:Autilitiesfailureisalossofsteampressureorelectricalpower.Theinstrumentairsystemhasanitrogensystembackupintheeventofalossofinstrumentair.•ClosethecontrolvalveFV-34218fromtheTBARecoveryColumntotheResidueEvaporatorFlashDrum.•StopthedistillateflowfromtheResidueEvaporatorDistillateDrum01D0389byclosingthecontrolvalveLV-3917BwithLC-3917B.•ShutdowntheResidueEvaporatorDistillatePump01P0365-A/B.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemEmergencyShutdown•StopthesteamflowtotheResidueEvaporatorExchangerbyclosingablockvalveontheS4steamsupplyto01E0371-A/B.•ClosethecondensatepotlevelcontrolvalveTV-39001withTC-39001.•Monitorthe01D0390drumoverheadpressureindicatorPC-39011toensuretheflashdrumdoesnotgointoavacuumasitcoolsdown.•ShutdowntheResidueEvaporatorVacuumPackage01K0334.