Production of ClO2
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This post was last edited by sunjl1981 on 2013-1-6 at 23:53. I recently came across ClO2; it seems to be a relatively dangerous gas. In the caustic soda production process, where does ClO2 generally occur, and how can it be prevented? This post was last edited by fredom on 2007-12-20 08:02 ] # ， ， &
ClO2 is highly soluble in water without reacting with it; at 22°C, its solubility is 2.9 g/L, which is about 5 times that of chlorine. Aqueous solutions of ClO2 are volatile, and under higher temperatures and light exposure, ClO2- and ClO3- are formed. Caustic soda is primarily produced through the electrolysis of brine, and the entire chlorine system is sealed; as a result, ClO2 gas is not generally generated. When chlorine dissolves in water or reacts with sodium hydroxide solution, ClO2- and ClO3- are formed.
ClO2 is generally not produced during the electrolysis process
After consulting an experienced technician, it was learned that when chlorates are decomposed by adding acid, heating with low-pressure steam, or using process air, a certain amount of ClO2 is generated; however, there is generally no risk of explosion.