应用化学 ›› 1993, Vol. 0 ›› Issue (2): 35-37.

• 研究论文 • 上一篇    下一篇

膜蒸馏分离甲酸-水共沸混合物

孔瑛, 吴庸烈, 徐纪平   

  1. 中国科学院长春应用化学研究所 130022 长春
  • 收稿日期:1992-03-20 修回日期:1992-07-14 出版日期:1993-04-10 发布日期:1993-04-10

SEPARATION OF FORMIC ACID-WATER AZEOTROPIC MIXTURES BY MEMBRANE DISTILLATION

Kong Ying, Wu Yonglie, Xu Jiping   

  1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun
  • Received:1992-03-20 Revised:1992-07-14 Published:1993-04-10 Online:1993-04-10

摘要: 共沸混合物的分离通常是采用共沸蒸馏或萃取蒸馏来进行。本文研究了用膜蒸馏技术来分离甲酸-水共沸混合物的可能性。结果表明,采用膜蒸馏来处理甲酸-水溶液时不存在共沸现象。表明膜蒸馏在分离共沸物方面具有潜在的应用价值。

关键词: 膜蒸馏, 共沸物, 分离, 甲酸,

Abstract: The possibility of separation of formic add-water azeotropic mixtures by membrane distillation was studied for the first time. The results indicated that azeotope dissapeared when formic acid aqueous solution was treated by membrane distillation.

Key words: membrane distillation, separation, azeotrope, formic acid, water