Esterification of Acetic Acid and Ethanol in a Flow-Through Membrane Reactor Coupled with Pervaporation

Esterification of Acetic Acid and Ethanol in a Flow-Through Membrane Reactor Coupled with Pervaporation
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乙酸和乙醇在流通式膜反应器中与渗透蒸发的酯化反应

DOI:
10.1002/ceat.201300467
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发表时间:
2014-03
期刊:
Chemical Engineering & Technology
影响因子:
--
通讯作者:
Cheng, Yu
Cheng, Yu
中科院分区:
其他
文献类型:
--
作者:
He, Benqiao;Li, Jianxin;Zhao, Quan;Cheng, Yu

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乙酸酯化是合成乙酸乙酯的重要工业过程。将磺化聚醚砜/聚醚砜/无纺布复合催化剂与聚乙烯醇渗透汽化膜耦合的膜反应器应用于乙醇与乙酸的连续酯化反应中。在闭环模式下获得了酯化的高平衡转化率。对于这种模式下的渗透蒸发辅助酯化,实验转化率非常接近理论值。
The esterification of acetic acid is an important industrial process for the synthesis of ethyl acetate. A membrane reactor with a sulfonated polyethersulfone/polyethersulfone/non‐woven fabrics composite catalytic coupled with a poly(vinyl alcohol) pervaporation membrane was applied in continuous esterification of ethanol with acetic acid in a flow‐through mode. High equilibrium conversion was obtained for esterification in a closed‐loop mode. For the pervaporation‐assisted esterification in this mode, the experimental conversion was very close to the theoretical value.
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