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分壁式萃取精馏分离甲酸乙酯-乙醇体系模拟及优化

Modern Chemical Industry(2018)

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Abstract
利用Aspen Plus软件,以DMSO为萃取剂,模拟研究了甲酸乙酯-乙醇体系的分壁式萃取精馏过程.以灵敏度分析工具对影响分离效果的参数进行优化分析.经过优化之后,分壁式萃取精馏可以分别得到质量分数为99.9%的甲酸乙酯、质量分数为99.4%的乙醇.与传统双塔萃取精馏相比,完成相同的分离任务,分壁式萃取精馏工艺热负荷降低6.7%,而且减少了设备投资.
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