GSE’s Liquid-Liquid Extraction EnVision simulation is a rigorous and high-fidelity mathematical process model that provides a realistic dynamic response of a liquid-liquid extraction system with specific simulation exercises.

Liquid – Liquid Extraction Simulation

GSE Systems www.gses.com/EnVision

• SimulationcomeswithaLearningManagementSystem(LMS)calledSimAdminthatallowsaninstructortoregistertrainees and monitor their performance

• SimulationisavailableasStandalone(SingleorDualMonitor)andInstructor-Traineeversions

EnVisione-Learning & Universal Simulation

Liquid - Liquid Extraction SimulationEnVision

Process Overview:

Thissimulationmodelwillhelpinunderstandingtheprinciplesofaliquid-liquidextractionsystem,usingtheproductionofglacialaceticacidasanexample.Thesimulationmodelconsistsofanextractioncolumnandadehydrationcolumn.Themainfeedtotheextractioncolumn,abinaryliquidmixtureofaceticacidandwater,entersthecolumnatthetopasacontinuousphase. Ethyl acetate is used as a solvent to separate acetic acid from the acetic acid-water mixture and enters the column at thebottomasadispersedphase.Intheextractionprocess,aceticacidispreferentiallytransferredfromthefeedtothesolventethylacetateascomparedtowater.Thesolventrichphase,calledextract,exitsfromthetopoftheextractioncolumn,whilethewaterrichphase,calledraffinate,exitsfromthebottomoftheextractioncolumn.

Theaceticacidintheextractisseparatedfromthesolventethylacetateinadehydrationcolumn.Themajorityoftheseparatedsolventisrecycledbacktotheextractioncolumnforreuse.Theaceticacid,thusobtainedasproductisof99%purityandiscalled glacial acetic acid.

EnVision

EnVision™isatrademarkofGSESystems,Inc.Allothertrademarksarethepropertyoftheirrespectiveowners.Theinformationinthisliteratureissubjecttochangewithoutnoticeandisnottobeconstruedasawarranty.

DS.ENV.54.VA 06/16

Simulation Features:

• Effect of changes in Extraction Column Feed Flow

• Effect of changes in Extraction Column Feed Composition

• Effect of changes in Extraction Column Feed Temperature

• EffectofchangesinCoolingWaterTemperature

GSESystems,Inc. 1332LondontownBoulevard,Suite200,Sykesville,Maryland21784USA

T:+1410.970.7800T:800.638.7912(U.S.only)F:+1410.970.7997E:envisioninfo@gses.comwww.gses.com

Major Operations for Trainee Practice:

• Startup and Shutdown Operations

• UnitControlStrategiesandOperations

• TroubleshootingLossinFeed,CoolingWaterandLPSteamMalfunctions

• TroubleshootingInstrumentandControlValveMalfunctions

• MalfunctionRecoveryActions