TBA-RECOV.TWR.SU-FROM-STANDBY-622

NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBETBARECOVERYCOLUMNSTARTUPFROMSTANDBYNOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBETBARecoveryColumnStartupFromStandbyPurposeThepurposeofthisprocedureistostartuptheTBARecoveryColumnSystemfromastandbycondition.ConditionsTheTBARecoveryColumnSystemisinthestandbymode.Thesystemisintotalrefluxinpreparationtoreceivefeed.NOTE:TBAmayfreezeandsolidifyattemperaturesbelow25˚C.Asequipmentisshutdown,blocked-in,orwhentheflowisstopped,ensureallTBAisremovedfromthelinesandequipmentifitisnotheattraced.Thisconditioncancauseunnecessarydowntimeordamagetoequipment.Theoverheadlinesarenotheattraced.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBETBARecoveryColumnStartupFromStandbyGUIDELINE•Ensurethevacuumpackageisoperatingproperly•OpenFV-37718withFC-37718tostartfeedforwardtotheTBARecoveryColumnfromTBARemovalColumntobeginforwardflow.•Adjusttherefluxratetocorrectsetting.•MonitorthecolumnfeedflowusingFC-37718intheautomaticmode.•MonitortheoverheadpressureusingPC-37704whilereturningtonormaloperations.•Monitorthesealflushtothevacuumpackage.•VisuallyinspecttheTBARecoveryColumnsystemforleaksanddefects.•Verifytheoperatingconditionssuchasflows,level,temperaturesorpressureswiththeControlOperatorasneeded.•EstablishTBAflowoverheadfromtheTBARecoveryColumntotheCrudeTBATankasinstructedbytheConsoleOperatorbyopeningblockvalves.•RefertoTBARecoveryColumnSystemControlLoopNarrative.