Dehydrative esterification of carboxylic acids with alcohols catalyzed by diarylammonium p-dodecylbenzenesulfonates in water

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• 作者：Takeshi Igarashi^b ; Daisuke Yagyu^b ; Takeshi Naito^a ; Yoshikuni Okumura^b ; Tetsuo Nakajo^b ; Yuichiro Mori^a ; Sh奴 Kobayashi^a ; ^{shu_kobayashi@chem.s.u-tokyo.ac.jp}
• 关键词：Direct esterification ; Ammonium salt ; Water ; Acetic acid ; Wastewater
• 刊名：Applied Catalysis B ; Environmental
• 出版年：2012
• 期刊代码：4_09263373
• 类别：ce
• 出版时间：30 May, 2012
• 卷：119-120
• 期：Complete
• 页码：304-307
• 文件大小：299 K

摘要

We have developed direct esterification reaction of carboxylic acids with alcohols catalyzed by diarylammonium salt catalysts toward the recovery of acetic acid from wastewater of chemical plants. Hydrophobicity of the catalysts could suppress their solubility in water. This esterification reaction has been applied to the recovery of acetic acid using a flow reaction system which is applicable to practical use in chemical plants. It was shown that this catalytic system was also applicable to the combination of hydrophobic substrates in water.