Chlorine Dioxide


Chlorine dioxide is a yellow to reddish-yellow gas that can be used as a disinfectant in water treatment and as a bleaching agent in pulp and paper mills. In the context of space and astronautical engineering, chlorine dioxide has been used as a biocide to control microbial growth in water systems on spacecraft. It is effective against bacteria, viruses, and protozoa, and has been used on the International Space Station and other spacecraft to ensure the safety of the crew. Chlorine dioxide can also be used as a propellant in rocket engines, due to its ability to decompose exothermically and release oxygen. However, its use as a propellant is limited due to its instability and potential for explosive reactions.


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