Fabrication of γ-MnO2-Ce Pillared Montmorillonite for Low Temperature NH3-SCR
-
Xiaoyan Huang
,
Xingmeng Zhou
Abstract
A series of γ-MnO2-Ce/MMT catalyst materials synthesized by homogeneous precipitation method was investigated for the selective catalytic reduction (SCR) of NOx with NH3. X-ray diffraction and specific surface areas were utilized for micro structure and layer spacing investigation. And NH3-TPD, Pyridoxine IR, H2-TPR and XPS were used to investigate Brønsted acid and Lewis acid, redox properties, atomic concentrations and element chemical state for as-prepared catalysts. The results showed that the γ-MnO2-Ce/MMT had superior NOx conversion compared to the bulk particles, among which 6 wt.% γ-MnO2-Ce/MMT displayed the best deNOx of 95.3% for the low temperature selective catalytic reduction of NOx with NH3 (NH3-SCR) under the GHSV of 25,000 h−1, therefore it is a promising catalyst for low temperature NH3-SCR.
Acknowledgments
This work was financially supported by National Natural Science Foundation of China (51674043); Development Fund of Jiangsu Province (BE2016654); Social development Fund of Changzhou City (CE20165022); Key R and D Programs of Jiangsu Province (BE2015103).
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Articles in the same Issue
- Frontmatter
- Fabrication of γ-MnO2-Ce Pillared Montmorillonite for Low Temperature NH3-SCR
- Degradation of Crystal Violet Dye by Fenton and Photo-Fenton Oxidation Processes
- Investigation on Mechanical Properties and Wear Behaviour of Squeeze Cast LM13 Aluminium Alloy Reinforced with Copper Coated Steel Wires
- Studying Media Polarity Effects on the Photo-Physical Behaviors of Organometallic Complexes with Azo-Containing Schiff-Base Ligands
- Chemical Synthesis and Characterization of Nano Alumina, Nano Composite of Carbon–Alumina and Their Comparative Studies
Articles in the same Issue
- Frontmatter
- Fabrication of γ-MnO2-Ce Pillared Montmorillonite for Low Temperature NH3-SCR
- Degradation of Crystal Violet Dye by Fenton and Photo-Fenton Oxidation Processes
- Investigation on Mechanical Properties and Wear Behaviour of Squeeze Cast LM13 Aluminium Alloy Reinforced with Copper Coated Steel Wires
- Studying Media Polarity Effects on the Photo-Physical Behaviors of Organometallic Complexes with Azo-Containing Schiff-Base Ligands
- Chemical Synthesis and Characterization of Nano Alumina, Nano Composite of Carbon–Alumina and Their Comparative Studies
