含酚废水液膜脱酚技术研究进展

doi:10.16085/j.issn.1000-6613.2021-0668

摘要/Abstract

摘要：

含酚废水难降解、毒性大，对环境危害极大。因此，含酚废水的处理已成为相关化工企业面临的一大难题。液膜脱酚技术由于具有工艺简单、占地面积小、节能环保、分离效率高和选择性高等优点，其在含酚废水的处理领域得到了广泛的关注。乳状液膜脱酚是目前研究和应用较多的一种液膜脱酚技术，目前的研究重点是如何提高液膜的稳定性和易于破乳。支撑液膜脱酚技术目前基本处于实验室研究阶段，其研究关注点是如何提高支撑液膜的稳定性。聚合物包容膜脱酚技术的研究还处于起步阶段，其研究核心是如何提高酚通过膜时的膜通量。本文从液膜系统的构筑、脱酚过程、研究及应用进展、存在问题和解决方法等方面入手，系统地综述了国内外液膜脱酚技术的研究进展与应用现状，并对液膜脱酚技术的发展趋势进行了展望。

关键词: 萃取, 膜, 回收, 乳状液膜, 支撑液膜, 聚合物包容膜, 脱酚

Abstract:

The characteristics of wastewater containing phenolic compounds are difficult degradation, high toxicity, and environmental hazard. Therefore, the treatment of phenolic wastewater has been the big problems of revelant chemical enterprises. Dephenolization technology by liquid membrane has advantages of simple process, small footprint, energy-conserving, environment-friendly, high separation efficiency, and high selectivity. It is widely used in the field of treatment of phenolic wastewater. The dephenolization technology by emulsion liquid membrane is widely studied and it is used in treatment of phenolic wastewater at present. And its research focus is how to improve the stablity of emulsion liquid membrane and be easily demulsification. The dephenolization by supported liquid membrane is in research phase and its focus is how to improve the stablity of supported liquid membrane. The dephenolization technology by polymer inclusion membrane is in the early stage and its core is how to improve membrane flux of phenolic compounds. The system establishment of liquid membrane separation, dephenolization process of liquid membrane, research and application progress, existing problems, and methods of resolution were reviewed systematically. The development trend of dephenolization technologies of liquid membrane was also discussed.

Key words: extraction, membranes, recovery, emulsion liquid membrane, supported liquid membrane, polymer inclusion membrane, dephenolization

中图分类号:

TQ028

齐亚兵, 罗橙, 张思敬. 含酚废水液膜脱酚技术研究进展[J]. 化工进展, 2021, 40(S2): 348-355.

QI Yabing, LUO Cheng, ZHANG Sijing. Research progress on dephenolization technologies of wastewater containing phenolic compounds by liquid membrane[J]. Chemical Industry and Engineering Progress, 2021, 40(S2): 348-355.

图/表 4

参考文献 35

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