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专利披露了从甲基丙烯酸(MAA)和醋酸气相产品中分离甲基丙烯醛的系统和过程,气相产品是异丁烯(IB)在两步氧化反应步骤中部分氧化得到的。
The patent discloses a system and process for the separation of methacrolein from methacrylic acid (MAA) and acetic acid vapor phase products obtained by partial oxidation of isobutylene (IB) in a two-step oxidation reaction step.