The Study of C3H6 Impact on Selective Catalytic Reduction by Ammonia (NH3-SCR) Performance over Cu-SAPO-34 Catalysts
Abstract
:1. Introduction
2. Results
2.1. Structure and Physical Properties of Cu-SAPO-34 Catalysts
2.2. The TG Experiments
2.3. NH3-SCR Activity of Cu-SAPO-34 Catalysts
2.4. The Adsorption Performance of Reactants
2.4.1. NH3-TPD
2.4.2. NOx-TPD Experiments
2.4.3. C3H6-TPD Experiments
2.5. The DRIFTS Experiments
2.5.1. Co-Adsorption of NH3 and C3H6 Species
2.5.2. Co-Adsorption of NO and C3H6 Species
2.5.3. The In Situ DRIFTS Experiments
2.6. The Contribution of C3H6 to NH3-SCR Performance
3. Experiments
3.1. Catalyst Preparation
3.2. Catalytic Performance Measurement
3.3. Catalyst Characterization
3.4. In Situ DRIFTS Experiments
4. Discussion
4.1. The Effect of C3H6 Treatment on Catalyst Structure
4.2. The C3H6 Effect on the Adsorption Performance of NH3, NO Species
4.3. The C3H6 Effect on the SCR Performance over Cu-SAPO-34 Catalyst
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Catalysts | Fresh Cu-SAPO-34 | HCs-Cu-SAPO-34 |
---|---|---|
BET specific surface area (m2/g) | 417 | 415 |
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Duan, Y.; Wang, L.; Zhang, Y.; Du, W.; Zhang, Y. The Study of C3H6 Impact on Selective Catalytic Reduction by Ammonia (NH3-SCR) Performance over Cu-SAPO-34 Catalysts. Catalysts 2021, 11, 1327. https://doi.org/10.3390/catal11111327
Duan Y, Wang L, Zhang Y, Du W, Zhang Y. The Study of C3H6 Impact on Selective Catalytic Reduction by Ammonia (NH3-SCR) Performance over Cu-SAPO-34 Catalysts. Catalysts. 2021; 11(11):1327. https://doi.org/10.3390/catal11111327
Chicago/Turabian StyleDuan, Yingfeng, Lina Wang, Yagang Zhang, Wei Du, and Yating Zhang. 2021. "The Study of C3H6 Impact on Selective Catalytic Reduction by Ammonia (NH3-SCR) Performance over Cu-SAPO-34 Catalysts" Catalysts 11, no. 11: 1327. https://doi.org/10.3390/catal11111327