多孔性中空糸を用いた不飽和脂肪酸の膜抽出分離

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タイトル別名
  • Separation of long-chain unsaturated fatty acid by solvent extraction with microporous tube.
  • タコウセイ チュウクウシ オ モチイタ フホウワ シボウサン ノ マク チュウ

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説明

A solvent extraction process using a 5m-long microporous tube was developed for separation of fatty acids. Experiments were carried out for two systems : acetic acid-water -MIBK and long-chain fatty acids -acetonitrile (containing 10 wt% water) -n-heptane. In the former system the membrane mass transfer coefficient was estimated to be 7.58×10-7m/s. Using this process, long-chain fatty acids such as oleic and linoleic acid, which cannot be separated by conventional distillation, were successfully separated by degree of unsaturation. This process was also applicable to the fractional separation of highly unsaturated fatty acids such as the EPA and DHA found in fish oils.

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