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Boreskov Institute of Catalysis of the Siberian Branch of Russian ...

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PP-II-15MATHEMATICAL MODELING OF FRACTIONATION STAGEOF REACTIVE DISTILLATION PROCESS FOR THE PRODUCTIONOF ETHYLENE GLYCOLSamoilov N.A. 1 , Mnushkin I.A. 2 , Mnushkina O.I. 21 Ufa State Petroleum Technical UniversityKosmonavtov St., 1, Ufa, 450062, Russia, E-mail: info@rusoil.net2 «Peton» Company, Moscow, RussiaIn <strong>the</strong> conference «Chemreactor-17» [1] we presented <strong>the</strong> contribution concerning <strong>the</strong>analysis <strong>of</strong> <strong>the</strong> work <strong>of</strong> chemical stage <strong>of</strong> reactive distillation process, in this report we present<strong>the</strong> work <strong>of</strong> <strong>the</strong> fractionation stage. Rectification process as a rule is calculated by models <strong>of</strong>static on <strong>the</strong> base <strong>of</strong> conception <strong>of</strong> <strong>the</strong>oretical tray which ensure improvement <strong>of</strong> equilibriumbetween vapor and liquid passed in definite time. Six version column working for receivingethylene oxide <strong>of</strong> high purify were examined.The calculation <strong>of</strong> <strong>the</strong> ethylene oxide hygrolysis process was fulfilled at 493 K and ratiowater : ethylene oxide (in initial time <strong>of</strong> reactions) as 30:1 and more.Ethylene oxide <strong>of</strong> high purify can be produced only in <strong>the</strong> case when <strong>the</strong> qualitativeethylene glycol is aside as side product from reactive distillation column.The adequacy <strong>of</strong> <strong>the</strong> combined ma<strong>the</strong>matical model <strong>of</strong> column is proved by indirecttestify.References1. Samoilov N.A., Mnushkin I.A., Mnushkina O.I. Ma<strong>the</strong>matical modeling <strong>of</strong> reactive distillation column for<strong>the</strong> production <strong>of</strong> ethylene glycol. XVII International Conference on Chemical Reactors«CHEMREACTOR-17», May 15-19, 2006, A<strong>the</strong>ne-Crete, Greece, (Novosibirsk, 2006), р. 694-697.299

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