Application of hollow fiber supported liquid membrane as a chemical reactor for esterification of lactic acid and ethanol to ethyl lactate

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• 作者：Thanyarutt Teerachaiyapat ; Prakorn Ramakul
• 关键词：Liquid Membrane ; Hollow Fiber ; Ethyl Lactate ; Lactic Acid ; CCD
• 刊名：Korean Journal of Chemical Engineering
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：33
• 期：1
• 页码：8-13
• 全文大小：759 KB
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• 作者单位：Thanyarutt Teerachaiyapat (1)
  Prakorn Ramakul (1)
  
  1. Department of Chemical Engineering, Faculty of Engineering and Industrial Technology, Silpakorn University, Nakhon Pathom, 73000, Thailand
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Industrial Chemistry and Chemical Engineering
  Catalysis
  Materials Science
  Biotechnology
  
• 出版者：Springer New York
• ISSN：1975-7220

文摘

Hollow fiber supported liquid membrane was applied as a reactor to synthesize ethyl lactate from lactic acid. Lactic acid in the feed solution was extracted by tri-n-octylamine (TOA) and stripped by ethanol with p-toluene sulfonic acid acting as the catalyst to form ethyl lactate. Central composite design (CCD) was used to determine the significant factors and their interactions. The response surface was applied for optimization. An optimized yield of 30% was predicted and its validity was evaluated by comparison with experimental results at different concentrations of lactic acid in the feed solution, with good agreement achieved.