石油化工及有机化学品

醇类

醇类是化工行业多种生产所需的重要溶剂和源物质。

具有多个 OH 基团的醇类可以产生聚合反应。与甘油等天然醇类不同,醇类是通过发酵含淀粉或糖的基础物质而获得的。

甲醇和乙醇等短链式醇类通过蒸馏的方法进行浓缩。蒸汽挥发性较低的长链式醇类可通过降膜蒸发装置进行浓缩。分离机通常配有洗涤塔,以通过蒸汽相态将产品损失降到最低。

在蒸馏装置中浓缩的醇类大多数是甲醇和乙醇。异丙醇和正丁醇在蒸发装置中进行浓缩。

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