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连续减压精馏分离晶体硅切割废液中多元醇组分的研究

Keywords: 多元醇,正交实验,连续减压精馏

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Abstract:

设计了三塔连续减压精馏分离回收晶体硅切割废液中乙二醇、二甘醇、三甘醇、四甘醇等多元醇组分的工艺路线,通过正交实验,探讨了操作压力、塔板数、回流比、进料位置等因素对每个塔产品纯度及收率的影响,得到了优化的精馏塔操作工艺参数,为该工艺的工业化设计提供了基础数据.

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