1PEROX-SPECIFICSU---CML-556

NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEPEROXIDATIONAREASTARTUPFROMT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEPeroxidationAreaStartupFromT&IPurposeThepurposeofthisprocedureistopreparethePeroxidationSystemtoreceivefeedfromupstreamequipmentfollowingmaintenance.ThesystemwillneedtoinitiallyacceptenoughfeedmaterialtoinventoryReactorsforstartupthentoestablishlevelsincolumnstomovetowardsatotalrefluxconditionoftheequipmentbeingstartedup.TheactofplacingthesystemintotalrefluxistoapplytheproperamountofreboilersteamflowtocreateenoughvaporsintheoverheadsystemtomaintainasteadyandcontinuousrefluxflowratewhiletherefluxdrumlevelcontrollerisinAutomaticcontrol.ThisGuidelineiswrittenfor01R0161PeroxidationReactorasthestartupReactorfortrainingpurposes.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEConditionsThePeroxidationSystemhasbeenrepairedandtheequipmentisreadytoreturntoservice.NOTE:AIROROXYGENCANFORMAPOTENTIALLYEXPLOSIVEMIXTUREWITHHYDROCARBONS,THEREFORE,NITROGENPURGEALLPROCESSLINESANDEQUIPMENTTOATMOSPHEREUNTILPROCESSLINESANDEQUIPMENTISLESSTHAN3%OXYGEN.DONOTNITROGENPURGETOTHEBLOWDOWNSYSTEMORTHEFLARESYSTEM.NOTE:TBAMAYFREEZEANDSOLIDIFYATTEMPERATURESBELOW25°C.ASEQUIPMENTISSHUT-DOWNORBLOCKED-INORWHENFLOWISSTOPPED,ENSURETBAISREMOVEDFROMLINESANDEQUIPMENTIFNOTHEATTRACED.THISCONDITIONCANCAUSEUNNECESSARYDOWNTIMEORDAMAGETOTHEEQUIPMENT.THEOVERHEADLINESARENOTHEATTRACED.PeroxidationAreaStartupFromT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBENOTE:ISOBUTANEISFEDTO01R0161,01R0171,OR01R0181BYTHEISOBUTANEFEEDPUMP,01P0106-A/B/C.THEISOBUTANECOMESFROMTHEISOBUTANEFEEDDRUM01D0107,ANDGOESTHROUGHTHEIC4/TBAMIXLINEINTOSTART-UPHEATER01E0107TOHEATTHEIC4.TBAFROMDRYTBATANKISFEDTO01R0161,01R0171,OR01R0181,USINGTHEIC4/TBAMIXLINEUSINGFC-16187A.FILLTHEREACTORSWITHIC4ANDTBATO317,518KGTOTAL.THEPEROXIDATIONSEPARATIONSYSTEMSHOULDBEMOVINGTOWARDSCIRCULATIONMODE.THEOVERHEADFROM01C0114SHOULDBEONTOTALREFLUX.THEBOTTOMSFROMTHE1STIC4RECYCLECOLUMNISFEDTOTHE2NDIC4RECYCLECOLUMN,01C0115.THEOVERHEADFROMTHE2NDIC4RECYCLECOLUMNISTOTALREFLUX.THEBOTTOMSFROMTHE2NDIC4RECYCLECOLUMNISFEDTOTHETBHPCONCENTRATIONCOLUMN.THETBHPCONCENTRATIONCOLUMNISINTOTALREFLUXWITHTHEBOTTOMSGOINGBACKINTOTHE1STIC4RECYCLECOLUMN01C0114ANDTHEOVERHEADFEEDINGTHETBAPURIFICATIONTOWER.THEPEROXIDATIONRECYCLECOMPRESSOR01K0166,01K0176,AND/OR01K0186SHOULDBERUNNINGWITHAFLOWOFAPPROXIMATELY453,600KG/H.ISOBUTANESHOULDBELINEDUPTOTHECOMPRESSORDESUPERHEATERFROMTHEISOBUTANEFEEDLINE.PeroxidationAreaStartupFromT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEGuideline•EnsurethatthePeroxidationReactoroverheadlineislineduptotheventgasheaderviathereactorcoolers,refluxdrum,thepurgecondenserandcollectiondrum.•EnsureHighHighPressurenitrogensystemisfunctioningproperlyandsystemuptonormaloperatingpressure.•EnsureOMSspargerpurgebottlesareatthestartuppermissivepressure.NOTE:ENSUREPRESSUREOFN59NITROGENSYSTEMDOESNOTGOBELOW4.14MPAG.4.14MPAGWILLPREVENTHYDROCARBONSFROMENTERINGTHEH.P.NITROGENSYSTEMFROMTHEPEROXIDATIONREACTORVIATHEO.M.S.•OpenboilerfeedwatervalvesLV-16133A/16133B,LV-17133A/17133B,andLV-18133A/18133Btoinventory01E0162-A/B,01E0172-A/B,and01E0182-A/Btoanormaloperatinglevelof73-75%.PeroxidationAreaStartupFromT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBE•LineupIC4FeedandHPTBAFeedtotheStartupLoopthroughthe01P0118A/Bjump-overbypasstothe01E0107StartupHeater.•Lineupthe01E0107StartupHeaterthroughtheReactorRefluxlinetoinventorythereactorforstartup.•Inventorythereactorthrough01E0107withIC4/TBAMixtotheamountdeterminedbyEngineering.NOTE:ENGINEERINGWILLSETFLOWRATESOFIC4/TBAMIXTOACHIEVEREQUIREDSTARTUPINVENTORY.•Whileinventoryingthereactoropenthesteamto01E0107toheattheIC4/TBAmix.•Whenreactorpressurereaches1.38MPagstarttheRecycleGasCompressor01K0166/01K0176/01K0186.Referto“PEROXIDATIONRECYCLEGASCOMPRESSORSYSTEMSTARTUPFROMT&I”.PeroxidationAreaStartupFromT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBE•ContinuewithinventoryoftheReactorwithhotIC4/TBAmixture,whenstartupinventoryisestablished,stopTBAflowbyclosingFC-16187AandIC4byclosingFC-16187B.•Opensuctionanddischargevalveson01P0118-Aor01P0118-Btocirculatereactorcontentsforheatinguptoreactiontemperatures.•Blockin200mmJump-overLineonsuctionof01P0118-A/B.•Lineupthe01E0107StartupHeaterthroughFV-16190tothereactorStartupMixline.•BlockintheHV-16191A/17191A/18191Afrom01E0107totheReactorRefluxline.•OpenFV-16190approximately20%topreventdeadheadingStartupBoosterPumps01P0118-A/B.PeroxidationAreaStartupFromT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBENOTE:REACTORPRESSURESHOULDBEAMINIMUMOF2.42MPAGBEFORESTARTINGBOOSTERPUMPS01P0118-A/B.THEBOOSTERPUMPSWILLTAKESUCTIONFROMTHEREACTORATHV-16187AANDDISCHARGETHROUGH01E0107TOHV-16191BONTHEBOTTOMOFTHEREACTOR,ESTABLISHINGCIRCULATIONTOHEATREACTORCONTENTSTOSATISFYSTARTUPPERMISSIVE