用含移动载体的聚合膜分离乳酸

Michiaki Matsumoto, Toshiyuki Takagi, Kazuo Kondo
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引用次数: 38

摘要

以三辛基甲基氯化铵(TOMAC)为载体,邻硝基苯辛基醚(NPOE)为增塑剂,制备了一种用于原位分离发酵乳酸的三醋酸纤维素(CTA)膜。研究了CTA-TOMAC-NPOE膜的分离特性。乳酸通过CTA-TOMAC-NPOE膜的渗透速率与通过支撑液膜的渗透速率相当。TOMAC在乳酸转运中起着移动载体的作用。结果表明,含TOMAC的CTA-NPOE膜具有乳酸通量高、TOMAC在水溶液中溶解度低的优点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Separation of lactic acid using polymeric membrane containing a mobile carrier

A cellulose triacetate (CTA) membrane containing trioctylmethyl ammonium chloride (TOMAC) as a carrier and o-nitrophenyloctyl ether (NPOE) as a plasticizer was developed for the in situ separation of fermented lactic acid. The separation characteristics of the CTA-TOMAC-NPOE membrane were investigated. The permeation rate of lactate through the CTA-TOMAC-NPOE membrane was comparable to that through a supported liquid membrane. TOMAC played the role of a mobile carrier in lactate transport. It was found that the CTA-NPOE membrane containing TOMAC has the advantages of allowing a high flux of lactate and having a low solubility of TOMAC in aqueous solution.

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