Ignition temperature and heat resistance temperature of the catalyst
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Could you please explain what the ignition temperature and heat resistance temperature of a catalyst are?
The so-called ignition temperature is the temperature at which a reaction begins, but at this point the reaction rate is very slow. The heat resistance temperature, as the name implies, is the highest temperature that can be tolerated without damaging the performance of the catalyst.
The term ‘ignition temperature’ seems to be a conventional expression; I have yet to come across a specific definition for it； In the book \"Sulfuric Acid\" edited by Teacher Tang Guihua, there is a definition of \"ignition temperature\" that seems quite reasonable.
The ignition temperature is the lowest temperature at which the catalyst allows for the reaction between SO2 and O2. The heat resistance temperature is the critical temperature at which the catalyst becomes ineffective.