发明授权
US09079122B2 Distillation column and method for distilling acrylic acid 有权
蒸馏塔和蒸馏丙烯酸的方法

Distillation column and method for distilling acrylic acid
摘要:
A distillation column with external circulation evaporator and a sedimentation zone in the bottom of the column, from which the evaporator circulation is fed, and use of the distillation column for the distillation of acrylic acid.
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