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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2015.25.1.75

Preparation of Photosynthesis Nanofiber Composite Membrane by Using Chlorophyll and Polymer Nanofiber  

Yun, Jaehan (Department of Chemical Engineering, Keimyung University)
Jang, Wongi (Department of Chemical Engineering, Keimyung University)
Byun, Hongsik (Department of Chemical Engineering, Keimyung University)
Publication Information
Membrane Journal / v.25, no.1, 2015 , pp. 75-83 More about this Journal
Abstract
In this study, chlorophylls were been extracted from common local plants, deposited on polypropylene (PP) substrate using various approaches, and the oxygen generation effect of the chlorophylls were investigated. The loading of chlorophylls on the substrates was achieved by dipping and spraying methods, where the spraying coating showed overall better results regarding oxygen generation from the combustion experiments in the closed vessel or in the isolated vacuum oven cell than those of dip coating. In addition, a composite substrate was prepared by nylon6/6 nanofiber on the PP substrate, and it exhibited an increase in the activation of chlorophylls. In the case of samples containing titanium dioxide ($TiO_2$), the reaching time of oxygen concentration from 16% to 21% and the combustion test using a candle for a sample with 50% chlorophylls showed similar results to those of a sample without $TiO_2$. As such, combining a spray coating and $TiO_2$ incorporation into gas separation membrane systems are expected to be useful to understand the fundamentals of material properties for their applications as oxygen generation membranes and air filtration systems.
Keywords
Chlorophylls; Nylon6/6; Electrospinning method; Titanium dioxide; Oxygen generation membrane;
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Times Cited By KSCI : 8  (Citation Analysis)
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