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Combination of adsorption – desorption with complete oxidation on the MnCoCe oxide based catalyst for toluene treatment
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The Adsorption – desorption is considered as one of the most promising VOCs treatment technologies due to its cheap operational cost and low energy consumption. However, there are a huge amount of adsorbed VOCs released in desorption process. That is the reason why this study focused on the combination of adsorption-desorption with catalytic oxidation to treat completely VOCs as toluene. The adsorption catalyst MnCoCe/AC (metal oxide catalyst MnO2-Co3O4-CeO3 on Actived carbon) and oxidation catalyst Au/MnCoCe (Au supported on metal oxide catalyst MnO2-Co3O4-CeO3) were investigated and characterized by SEM - EDX, BET. The catalytic activity test were carried out on a micro-flow reactor system connected with GC online using a TCD detector.The results shown that Au/MnCoCe is a potential catalyst for the complete oxidation of toluene with the temperature for 100% toluene conversion of 300oC. The combination of adsorption-desorption with catalytic oxidation decreased the temperature for 100% toluene conversion to 250 oC.
Vietnam Association of Catalysis and Adsorption
Title: Combination of adsorption – desorption with complete oxidation on the MnCoCe oxide based catalyst for toluene treatment
Description:
The Adsorption – desorption is considered as one of the most promising VOCs treatment technologies due to its cheap operational cost and low energy consumption.
However, there are a huge amount of adsorbed VOCs released in desorption process.
That is the reason why this study focused on the combination of adsorption-desorption with catalytic oxidation to treat completely VOCs as toluene.
The adsorption catalyst MnCoCe/AC (metal oxide catalyst MnO2-Co3O4-CeO3 on Actived carbon) and oxidation catalyst Au/MnCoCe (Au supported on metal oxide catalyst MnO2-Co3O4-CeO3) were investigated and characterized by SEM - EDX, BET.
The catalytic activity test were carried out on a micro-flow reactor system connected with GC online using a TCD detector.
The results shown that Au/MnCoCe is a potential catalyst for the complete oxidation of toluene with the temperature for 100% toluene conversion of 300oC.
The combination of adsorption-desorption with catalytic oxidation decreased the temperature for 100% toluene conversion to 250 oC.
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