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Specifically Designed Metal Functional Group Doped Hydrophobic Zeolite for Acetone Removal with Low Temperature Catalytic Reaction
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Specifically Designed Metal Functional Group Doped Hydrophobic Zeolite for Acetone Removal with Low Temperature Catalytic Reaction
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Journal Article
Specifically Designed Metal Functional Group Doped Hydrophobic Zeolite for Acetone Removal with Low Temperature Catalytic Reaction
2023
Overview
Acetone is solvent widely used in laboratories and factories. Serious problems will occur when it is exposed to the environment. Therefore, a new design for a bimetallic metal functional group catalyst that can convert acetone into carbon dioxide and water within 250 °C was prepared, in order to effectively treat acetone and reduce the required energy. Hydrophobic Y type zeolite adsorption and low-temperature catalytic combustion were used to continuously treat acetone, and the effect of different operating parameters (including different metal loads, metal content, transformation temperature, pollutant concentration, and space velocity) on the efficiency of acetone treatment was discussed in this study. The isothermal adsorption model, kinetics, and thermodynamic model analysis were also used to establish the reaction mechanism, and to explore the factors affecting the catalyst reaction rate. The results show that the acetone conversion rate of 10-Fe1Mn1-USY reaches 90% at 400 ppm, 20,000 h−1 space velocity, and 227 °C. The kinetic behavior of the reaction between 10-Fe1Mn1-USY and acetone is more suited to the Power-rate Law model. Arrhenius equation analysis results show that the required activation energy for the reaction between 10-Fe1Mn1-USY and acetone is 70.2 kJ mol−1, and the collision frequency factor is 2.81 × 105 s−1. This reaction is an endothermic reaction, and the main reaction mechanism is surface metal oxidation.A new design for a bimetallic metal functional group catalyst that can convert acetone into carbon dioxide and water within 250 ℃ was prepared, in order to effectively treat acetone and reduce the required energy. Hydrophobic Y type zeolite adsorption and low-temperature catalytic combustion were used to continuously treat acetone, and the effect of different operating parameters on the efficiency of acetone treatment was discussed in this study. Result shown that the redox reaction between the adsorbed acetone and the active oxygen on the surface of the catalyst to generate CO2 and H2O.
