PO.TWR.SYST.SU.FROM-STANDBY-608

NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEPOPRODUCTCOLUMNSYSTEMSTARTUPFROMSTANDBYNOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEPOProductColumnSystemStartupFromStandbyPurposeThepurposeofthisprocedureistostartupthePOProductColumnSystemfromastandbycondition.ConditionsThePOProductColumnSystemisinthestandbymode.Thesystemisintotalrefluxinpreparationtoreceivefeed.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEPOProductColumnSystemStartupFromStandbyGUIDELINE•MaintainPOProductColumnoperationasfeedforwardresumesfromImpuritiesRemovalColumn.•MonitorPOProductColumnoperationi.e.top/bottomtemperaturesandoverheadpressure,asImpuritiesRemovalColumnfeedsforward.•MonitorPOProductColumnReboiler01E0449S4steamflow.•MonitorPOProductColumnbottomstemperaturewhilereturningtonormaloperations.•SamplePOProductColumnoverheadsoonafterstartingbackup.Ifonspec,lineuptoon-spectank.•VisualinspectPOProductColumnsystemforleaksanddefects.•Verifyoperatingconditionssuchasflows,level,temperaturesorpressureswithConsoleOperatorasneeded.