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Will the residual oxygen in the gas react slowly with the components in the gas?

2022-04-29View Original

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There is always some residual oxygen in gas, generally at a volume ratio of 0.5~0.6%; at room temperature, aside from substances like hydrogen sulfide, there are not many reactions that occur. What about under heating conditions? Many reactions involving gas occur under such conditions, at temperatures of 150°C, 250°C, or even 400–500°C; in these cases, catalysts loaded with metal are often required. Will this residual oxygen react and release heat? I estimated that the exothermic reactions of the components in these residual oxygen and gas streams can also raise the temperature of the coal gas by about 100°C.

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