Method for purifying (meth) acrylic acid
The present invention relates to a process for the continuous production of acrylic acid from a gaseous reaction mixture comprising acrylic acid obtained by gas phase oxidation of an acrylic acid precursor, in the absence of an organic solvent and in the absence of a chemical treatment of aldehydes,...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The present invention relates to a process for the continuous production of acrylic acid from a gaseous reaction mixture comprising acrylic acid obtained by gas phase oxidation of an acrylic acid precursor, in the absence of an organic solvent and in the absence of a chemical treatment of aldehydes, and without the use of partitioned columns.
本发明涉及在不存在有机溶剂的情况下且在不存在对醛类的化学处理的情况下，并且在不使用分区的塔的情况下，从通过丙烯酸前体的气相氧化获得的包含丙烯酸的气态反应混合物连续生产丙烯酸的方法。 |
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