| 摘要 |
The present invention relates to a process for production of chlorine dioxide from an alkali metal chlorate, a mineral acid and a liquid volatile reducing agent. The process is carried out in a vessel (fig. 1) operated under subatmospheric pressure, whereby water is evaporized and withdrawn together with chlorine dioxide and the alkali metal salt of the mineral acid is crystallized within the reaction vessel and withdrawn therefrom. According to the invention the utility of the volatile reducing agent is enhanced by the addition of the agent to the region of crystallization in the reaction vessel. |
