The Generation of Chlorine Dioxide by Electrochemistry Technology
Chlorine dioxide (ClO2 has been known as an efficient disinfectant and oxidatant of environment, it is widely used in public water system, cooling system control even in wastewater treatment. In recent years, the chlorine dioxide has been more concerned as the sanitizer for extending the shelf-life of fruit and vegetable. A novel electrochemistry technology for producing ClO2 has the advantages of simple dosing, easy operation and continuous generation on-site. Hence, the aim of this research was to study the effect of various operation parameters (voltage, anolyte, catholyte, pH and temperature) in producing ClO2 by electrochemistry technology. The most important result of this experiment is the maximum concentration and purity of the ClO2 were 906.5 mg/L and 98.4%, respectively, with an analytic mixture of 2% sodium chloride (NaCl) and 6% sodium chlorite (NaClO2) under 30 °C initial temperature. Moreover, the lower pH and higher initial temperature of anolyte will result in the ClO2 generate early.
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Document Type: Research Article
Publication date: November 1, 2013
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