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专利披露了从醋酸甲酯原料中除去醛类杂质的方法。方法包括醋酸甲酯原料与多元醇反应,转化醛类杂质成环乙缩醛。然后从醋酸甲酯原料除去乙缩
The patent discloses a method for removing aldehyde impurities from methyl acetate raw materials. The method comprises the following steps: reacting methyl acetate raw material with polyol to convert aldehyde impurities into cyclic acetal. The acetalization is then removed from the methyl acetate feed