Method for producing high-purity 1, 3-butanediol

A method for producing high-purity 1, 3-butanediol, said method comprising a step for heating a feed solution containing 1, 3-butanediol and a step for removing, by distillation, low-boiling-point substances contained in any one or more of the heat-treated treatment solution and treatment vapor, the...

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Bibliographic Details
Main Authors UEHIGASHI SHUN, KANEDA JUN, KUBOKI, MASAHARU
Format Patent
LanguageChinese
English
Published 26.04.2024
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:A method for producing high-purity 1, 3-butanediol, said method comprising a step for heating a feed solution containing 1, 3-butanediol and a step for removing, by distillation, low-boiling-point substances contained in any one or more of the heat-treated treatment solution and treatment vapor, the content of alkali in the feeding liquid in the step of heating treatment is less than 0.2% by mass. 一种高纯度1,3-丁二醇的制造方法，其包括对含有1,3-丁二醇的投料液实施加热处理的步骤以及将所述加热处理后的处理液和处理蒸气中的任意1种以上中所含有的低沸点物通过蒸馏除去的步骤，实施所述加热处理的步骤中的所述投料液中的碱的含量小于0.2质量％。
Bibliography:Application Number: CN202280061867