Extraction of lactic acid from fermented broth with microporous hollow fiber membranes

Yanping Tong, Makoto Hirata, Hirokazu Takanashi, Tadashi Hano, Fukiko Kubota, Masahiro Goto, Fumiyuki Nakashio, Michiaki Matsumoto

研究成果: Contribution to journalArticle査読

49 被引用数 (Scopus)


Non-dispersive solvent extraction of lactic acid based on anion-exchange reaction with tri-n-octylmethylammonium chloride dissolved in oleyl alcohol, the optimum extraction reagents selected for extractive fermentation of lactic acid with Lactobacillus rhamnosus, was attempted in a microporous hollow fiber membrane device. A satisfactory recovery of lactic acid from both aqueous solution and actual fermented broth was accomplished, signifying the great potential of integrating the membrane extraction with fermentation process. A theoretical model which took into account the mass transfer resistances across organic and aqueous films and membrane was developed to analyze and predict the extraction behavior. The model prediction was found to be in good agreement with the experimentally observed results.

ジャーナルJournal of Membrane Science
出版ステータス出版済み - 5 27 1998

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

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