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Chlorine dioxide preparation-sodium chlorite method

 Last Update: 2021-12-05
 Source: Internet
 Author: User

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[Physical and chemical properties] Chlorine dioxide is a yellow gas at room temperature, with a pungent odor similar to chlorine, with a boiling point of 10°C and a relative density of 3.

[Preparation method] Due to the instability of chlorine dioxide, it must be used on-site.

(1) Sodium chlorite method

At present, the main methods for generating chlorine dioxide from sodium chlorite are acidification, chlorine oxidation, persulfate ion oxidation, carbon dioxide and electrolysis.

Table 7-7 Preparation method of chlorine dioxide with sodium chlorite as the main raw material

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