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Improvement of Methyl Acetate Hydrolysis Process
Author(s): 
Pages: 651-655
Year: Issue:  7
Journal: PETROCHEMICAL TECHNOLOGY

Keyword:  聚乙烯醇醋酸甲酯水解催化精馏模拟;
Abstract: 针对目前醋酸甲酯催化精馏水解工艺中醋酸甲酯水解不完全(50%~60%)的情况,根据增加水酯比能使醋酸甲酯完全转化,提出了2种醋酸甲酯催化精馏完全水解新工艺.对新工艺用Aspen Plus软件进行流程模拟,并与现有工艺进行了对比,结果是新萃取工艺比现有工艺和新共沸工艺都要好.与现有工艺相比,新萃取工艺不仅可以简化流程,节省投资费用,而且可以降低能耗,冷凝器总负荷可降低35%,再沸器总负荷可降低33%.新萃取工艺及其模拟计算对实验验证、工艺设计、甚至工业化生产有一定的指导意义.
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