Fabrication of Homochiral Metal-Organic Framework Membrane for Enantioseparation of Racemic Diols

被引：85

作者：

Huang, Kang ^{[1
]}

Dong, Xueliang ^{[1
]}

Ren, Rufei ^{[1
]}

Jin, Wanqin ^{[1
]}

机构：

[1] Nanjing Univ Technol, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Jiangsu, Peoples R China

来源：

AICHE JOURNAL | 2013年 / 59卷 / 11期

基金：

中国国家自然科学基金;

关键词：

homochiral; metal-organic frameworks; membrane; chiral separation; racemic diol; ZEOLITIC IMIDAZOLATE FRAMEWORK-8; ENANTIOSELECTIVE SEPARATION; THIN-FILMS; PERVAPORATION; CATALYSIS; NANOPARTICLES; MIXTURES; ALCOHOLS; SORPTION; GROWTH;

D O I：

10.1002/aic.14194

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Chiral metal-organic frameworks (MOFs) used to discriminate chiral enantiomers are of great practical significance. In this study, a novel homochiral [Ni-2(L-asp)(2)(bipy)] membrane was fabricated on a porous ceramic support and used for enantioselective separation of racemic diols. High-energy ball milling was applied to decrease the size of MOF crystals to achieve homogeneous seed suspensions. A high-quality homochiral membrane was obtained after optimizing the preparation process. Under the concentration-driven permeation process, racemic 2-methyl-2,4-pentanediol (MPD) was readily separated by the as-prepared membrane. At 30 degrees C, an enantiomeric excess value of 35.5 +/- 2.5% was obtained at a feed concentration of 1.0 mmol L-1. The chiral separation of racemic MPD via the membrane followed a preferential sorption mechanism. (c) 2013 American Institute of Chemical Engineers AIChE J, 59: 4364-4372, 2013

引用

页码：4364 / 4372

页数：9

共 46 条

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