A New Application of Thermal Spray in Preparation of Metallic Membrane for Concentration of Glucose Solution
Journal of Thermal Spray Technology
M. E. Aalami-Aleagha ；S. S. Madaeni ；P. Daraei
Wire arc spraying has recently been used for preparation of porous metallic membranes. This work focuses on characterization of the metallic membranes produced by this technique based on porosity, oxide content, and the pore size distribution. The effect of atomizer air pressure and stand-off distance on membrane properties is examined. According to the obtained results, stronger atomizer air pressure leads to a decrease in both porosity and oxide content, while a longer stand-off distance promotes the oxide content and only increases the porosity at the distances not longer than 30 cm. A prepared metallic layer was set up in an experimental membrane cell as a permselective film for filtration of glucose solution. Generally, the water flux was appropriate, and the prepared membranes was able to remove glucose from water efficiently.
Keywords: Glucose Metallic membrane Porosity Thermal spraying Wire arc spraying
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