The aim of the study was to investigate the performance of a monolayer cation exchange membrane (Nafion (R) 424) in the membrane electrolysis of aqueous borax solution. Membrane cell was basically composed of a hydrogen evolving cathode, oxygen evolving anode and Nafion (R) 424. Boric acid solution, sodium hydroxide solution, oxygen and hydrogen gases were produced by continuous electrolysis process. The effects of different catholyte concentrations (10, 20, 30 and 35% NaOH) on the current efficiency were investigated. The electrical power consumption per ton for the production of sodium hydroxide (100%) and boric acid were calculated and the qualities of boric acid products were determined. (C) 2012 The Korean Society of industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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Univ So Calif, CEEL, Mork Family Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USAUniv So Calif, CEEL, Mork Family Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USA
Huang, Yuelong
He, Zhen
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Univ Wisconsin, Dept Civil Engn & Mech, Milwaukee, WI 53211 USAUniv So Calif, CEEL, Mork Family Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USA
He, Zhen
Mansfeld, Florian
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Univ So Calif, CEEL, Mork Family Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USAUniv So Calif, CEEL, Mork Family Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USA
机构:University of Chinese Academy of Sciences,CAS Key Laboratory of Green Process and Engineering, National Engineering Research Center of Green Recycling for Strategic Metal Resources, Institute of Process Engineering
Afolabi Uthmon Olayiwola
Hao Du
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Hao Du
Shao-Na Wang
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Shao-Na Wang
Biao Liu
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Biao Liu
Ye-Qing Lv
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机构:University of Chinese Academy of Sciences,CAS Key Laboratory of Green Process and Engineering, National Engineering Research Center of Green Recycling for Strategic Metal Resources, Institute of Process Engineering