https://scholars.lib.ntu.edu.tw/handle/123456789/408816
Title: | Towards acid-tolerated ethanol dehydration: Chitosan-based mixed matrix membranes containing cyano-bridged coordination polymer nanoparticles | Authors: | Wu K.C.-W. Kang C.-H. Lin Y.-F. Tung K.-L. Deng Y.-H. Ahamad T. Alshehri S.M. Suzuki N. |
Keywords: | Chitosan-based mixed matrix membranes;Coordination polymers;Ethanol dehydration;Nanoparticles;Prussian blue | Issue Date: | 2016 | Journal Volume: | 16 | Journal Issue: | 4 | Start page/Pages: | 4141-4146 | Source: | Journal of Nanoscience and Nanotechnology | Abstract: | Prussian blue (PB) nanoparticles, one of many cyano-bridged coordination polymers, are successfully incorporated into chitosan (CS) polymer to prepare PB/CS mixed matrix membranes (MMMs). The PB nanoparticles are uniformly distributed in the MMMs without the collapse of the original PB structure. As-prepared PB/CS MMMs are used for ethanol dehydration at 25 ¢XC in the pervaporation process. The effect of loading PB in CS matrix on pervaporation performance is carefully investigated. The PB/CS membrane with 30 wt% PB loading shows the best performance with a permeate flux of 614 g ¡P m-2 ¡P h-1 and a separation factor of 1472. The pervaporation using our PB/CS membranes exhibits outstanding performance in comparison with the previously reported CS-based membranes and MMMs. Furthermore, the addition of PB allows PB/CS MMMs to be tolerant of acidic environment. The present work demonstrates good pervaporation performance of PB/CS MMMs for the separation of an ethanol/water (90:10 in wt%) solution. Our new system provides an opportunity for dehydration of bioethanol in the future. Copyright ? 2016 American Scientific Publishers All rights reserved. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/408816 | ISSN: | 15334880 | DOI: | 10.1166/jnn.2016.12614 |
Appears in Collections: | 化學工程學系 |
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