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Building Additional Passageways in Polyamide Membranes with Hydrostable Metal Organic Frameworks To Recycle and Remove Organic Solutes from Various Solvents
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2017-10-26 00:00:00 , DOI: 10.1021/acsami.7b07373
Xiquan Cheng 1, 2, 3 , Xu Jiang 1 , Yanqiu Zhang 1 , Cher Hon Lau 4 , Zongli Xie 2 , Derrick Ng 2 , Stefan J. D. Smith 2 , Matthew R. Hill 2, 5 , Lu Shao 1
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2017-10-26 00:00:00 , DOI: 10.1021/acsami.7b07373
Xiquan Cheng 1, 2, 3 , Xu Jiang 1 , Yanqiu Zhang 1 , Cher Hon Lau 4 , Zongli Xie 2 , Derrick Ng 2 , Stefan J. D. Smith 2 , Matthew R. Hill 2, 5 , Lu Shao 1
Affiliation
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Membrane separation is a promising technology for extracting temperature-sensitive organic molecules from solvents. However, a lack of membrane materials that are permeable toward organic solvents yet highly selective curtails large-scale membrane applications. To overcome the trade-off between flux and selectivity, additional molecular transportation pathways are constructed in ultrathin polyamide membranes using highly hydrostable metal organic frameworks with diverse functional surface architectures. Additional passageways enhance water permeance by 84% (15.4 L m–2 h–1 bar–1) with nearly 100% rose bengal rejection and 97.6% azithromycin rejection, while showing excellent separation performance in ethyl acetate, ketones, and alcohols. These unique composite membranes remain stable in both aqueous and organic solvent environments. This immediately finds application in the purification of aqueous mixtures containing organic soluble compounds, such as antibiotics, during pharmaceutical manufacturing.
中文翻译：
在具有水溶性的金属有机骨架的聚酰胺膜中建立额外的通道，以回收和去除各种溶剂中的有机溶质
膜分离是一种从溶剂中提取对温度敏感的有机分子的有前途的技术。然而，缺乏可渗透有机溶剂但具有高选择性的膜材料限制了大规模的膜应用。为了克服通量和选择性之间的折衷，使用具有多种功能表面结构的高度水稳性金属有机骨架，在超薄聚酰胺膜中构建了其他分子运输途径。额外的通道将透水率提高了84％（15.4 L m –2 h –1 bar –1）具有接近100％的孟加拉孟加拉排斥和97.6％的阿奇霉素排斥，同时在乙酸乙酯，酮和醇中显示出出色的分离性能。这些独特的复合膜在水性和有机溶剂环境中均保持稳定。在制药过程中，这立即发现可用于纯化含有机溶性化合物（如抗生素）的水性混合物。
更新日期：2017-10-27
中文翻译：
在具有水溶性的金属有机骨架的聚酰胺膜中建立额外的通道，以回收和去除各种溶剂中的有机溶质
膜分离是一种从溶剂中提取对温度敏感的有机分子的有前途的技术。然而，缺乏可渗透有机溶剂但具有高选择性的膜材料限制了大规模的膜应用。为了克服通量和选择性之间的折衷，使用具有多种功能表面结构的高度水稳性金属有机骨架，在超薄聚酰胺膜中构建了其他分子运输途径。额外的通道将透水率提高了84％（15.4 L m –2 h –1 bar –1）具有接近100％的孟加拉孟加拉排斥和97.6％的阿奇霉素排斥，同时在乙酸乙酯，酮和醇中显示出出色的分离性能。这些独特的复合膜在水性和有机溶剂环境中均保持稳定。在制药过程中，这立即发现可用于纯化含有机溶性化合物（如抗生素）的水性混合物。
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