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Mathematical Simulation for Acetic Acid Process Through Low-Pressure Methanol Carbonylation

Author: XueBaoShuang
Tutor: WangJianHong
School: Beijing University of Chemical Technology
Course: Chemical Engineering
Keywords: low-pressure methanol carbonylation acetic acid mathematical simulation reactor distillation column
CLC: TQ225.12
Type: Master's thesis
Year: 2006
Downloads: 192
Quote: 1
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Abstract


A mechanism model was built, and a whole flow emluator was developed on the base of 200 thousand tons per year of acetic acid through low-pressure methanol carbonylation of a chemical plant.Thorough research to reactor was done. Thorough research to reaction mechanism and dynamics of low-pressure methanol carbonylation and analysis to independent chemical reaction number were done. Mechanism model was set up for reactor of acetic acid through rational predigestion and hypothesis and mass-energy conservation calculation. Rational predigestion and hypothesis heightened the velocity of model-soluting maximumly and satisfied the requirement of simulation.According to the idea of "segmenting and centralizing",the distillation column could be divided into many sections. Every section could be abstracted as a fictitious theory standing. The gas state and liquid state of every standing could reach state equlibrium.Proper methods such as sequential modular method and two-tier technique were adopted in course of resolving mathematical model. The flash model with constant volume was adopted,so the vapor fraction and the pressure of each stage could be acquired precisely and exactly. Surging conditions was avoided by calculating the pressure and gas flux by the diagonal matrix with three columns.The emluator had been used to train and assess technical personnel of a chemical plant of 200 thousand tons per year of acetic acid

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CLC: > Industrial Technology > Chemical Industry > Basic Organic Chemistry Industry > The production of aliphatic compounds ( acyclic compounds) > Aliphatic carboxylic acid and its derivatives > Fatty acids and their derivatives > Saturated monobasic acid
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