Keywords
Oxygen generator
sodium chlorate
CO2 capture
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Abstract
All passengers traveling by plane, are informed by cabin crew how to put on oxygen masks in case of an emergency depressurization. But where does this oxygen come from? Many people think it is stored in tanks. However, it comes from small chemical oxygen generators (COGs, oxygen Candle), containing sodium chlorate, a reagent that decomposes thermally, generating oxygen. From a didactic point of view, the chemical reactions involved in oxygen generators in confined spaces and CO2 capture systems in spaces without air renewal are shown.
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