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A method for the recovery of crude acrylsaeure from the acrolein hold strength gaseous product of the catalytic vapor phase oxidation of acrolein or acrolein image explosion
A method for the recovery of crude acrylsaeure from the acrolein hold strength gaseous product of the catalytic vapor phase oxidation of acrolein or acrolein image explosion
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机译:从丙烯醛催化气相氧化丙烯醛或丙烯醛图像爆炸的丙烯醛保持力气态产物中回收粗丙烯酸的方法
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摘要
Acrolein and other light ends are removed from the effluent of a process for the production of acrylic acid by the vapor phase catalytic oxidation of acrolein or an acrolein precursor, such as propylene, by passing the effluent to the base of a fractionation tower and contacting such with the descending stream of liquid within the tower so as to partially condense the condensibles in the effluent, a portion of the liquid bottoms being recycled to the upper portions of the tower and a portion withdrawn as crude acrylic acid product. Acrolein is removed overhead.
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