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怎样写090105009罗浩猛 外文文献原稿和译文

导读:lso pointed out. Remendation of new column internal designs is given. Finally, industrial examples l the how the new concept works and the possibility of bining process to give more opens to solve engineering problems.   Keywords: methanol distillation, two - effect distillation, high pressure flows
北京化工大学北方学院毕业设计(论文)——外文文献原稿和译文

外文文献原稿和译文

原 稿

Methanol Distillation System: Process Analysis and Column Design

Abstract:Base on industrial research and experience, the process of methanol distillation is analyzed, and above all, a new concept of high pressure flowsheet and low pressure flowsheet is defined. The new configuration helps to handle problems encountered in many factories in China. The inter influence between process and column internal pattern is also pointed out. Remendation of new column internal designs is given. Finally, industrial examples l the how the new concept works and the possibility of bining process to give more opens to solve engineering problems.

Keywords: methanol distillation, two - effect distillation, high pressure flowsheet and low pressure flowsheet, flowsheet analysis, simulation with hydraulic, column internal design

INTRODUCTION
A very important material in anic chemical industry, methanol is widely involved in the manufacture of plastic material, synthetic fiber and rubber, dyestuff, covering material, spice, medical field, pesticide and etc. Also, it is not only a fine solvent for many anic pounds but a sound substitute for gaso
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