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sun j computer aided preliminary design distillation 2019

Type:: E-books
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Textbook in PDF format At present, the OPP production scale of China's chemical enterprises is small, and there is no obvious competitive advantage in cost, unit consumption and so on. The newly developed new OPP production process has made up for the shortcomings of other processes. The paper is on the preliminary design and optimization of the distillation column in this production process. The distillation column which meets the actual industrial production needs is designed by computer aided calculation. The problem of missing physical data of Dibenzofuran was solved by using origin pro data fitting. The Newton iteration method was used to calculate the bubble and dew point temperatures involved in the design of distillation column with Matlab. The whole design process is divided into three parts. Firstly, the FUG method is used to calculate the theoretical tray number, minimum reflux ratio, relative volatility and feed position of the distillation column. Then, using the above data, using Aspen simulation software to simulate the distillation column design. Finally, the sensitivity analysis of plate number, feed pressure, feed position and reflux ratio are used to optimize the design of distillation column, which can meet the separationrequirements and save operation costs. The optimum design of distillation column is achieved. The calculation method of bubble point and dew point in this study can be applied to the practical application of separation engineering. After obtaining reliable parameters of Antoni equation, the Newton iteration method can be used to calculate the bubble point and dew poi nt temperature in multi-component system. It provides a reliable method for the calculation of vapor-liquid equilibrium

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sun j computer aided preliminary design distillation 2019

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