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Simulation of Polyester System

Author: WuShuYing
Tutor: QuYiXinï¼›WangShaoPeng
School: Beijing University of Chemical Technology
Course: Chemical Engineering
Keywords: Polyester Esterification Condensation polymerization Mathematical model System Simulation
CLC: TQ323.4
Type: Master's thesis
Year: 2009
Downloads: 47
Quote: 0
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Abstract


The polyester synthesis process of purified terephthalic acid (PTA) and ethylene glycol (EG) as raw material , ethylene glycol antimony catalyst in series reactor ( esterification reactor , prepolycondensation kettle final polycondensation autoclave ) , continuous direct esterification and polycondensation to form the poly ethylene terephthalate ester ( PET ) . In this polyester system study , analysis of the reaction mechanism , the establishment of the kinetic equation ; calculated based on the vapor-liquid equilibrium gas-liquid mass transfer equation and material balance equations , the combination of heat balance and pipeline , the establishment of polyester the calculation module of the system . By system configuration , the establishment of functional modules and parameters of the fit , with the Visual Basic6.0 software design and development process of polyester system simulation software , a the polyester system of process calculation , equipment selection automation and process process simulation . The software will be the main process unit operations calculated effective polyester process design graphical visualization . Operator interface , complete input parameters to melt conveying the whole process from raw materials mashing , material balance calculations , equipment calculation , process performance curve generation and comparison function ; reserve equipment data sheets and equipment list and the software process design file interface , conducive to the secondary development of software . By comparison with production data , the results of this simulation software developed , basically reflect the the polyester synthesis process of law , from the effect of the simulation of the entire process units , can be a very good description of the actual device running situation , has a good dynamic characteristics industrial optimization and design , can be used to guide the polyester system .

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CLC: > Industrial Technology > Chemical Industry > Synthetic resins and plastics industry > Polycondensation resin and plastic > Polyester resins and plastic materials
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