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Published on: August 23, 2018
Mercury removal using various modified V/Ti-based SCR catalysts: A review
Jiancheng Yang1, Jiachun Su2, Long Chen2
1Tianjin Key Laboratory of Clean Energy and Pollutant Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China; Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China.
Mercury pollution necessitates effective treatment. Modified V/Ti-based SCR catalysts show promise for heterogeneous oxidative mercury removal, with ongoing research improving performance and understanding mechanisms.
Area of Science:
- Environmental Science
- Catalysis
- Chemical Engineering
Background:
- Rising mercury pollution levels demand efficient and economical treatment technologies.
- Heterogeneous oxidative mercury removal using modified V/Ti-based SCR catalysts is a promising approach.
- Further research is needed to optimize catalyst performance and elucidate mercury removal mechanisms.
Purpose of the Study:
- To review modifications of V/Ti-based catalysts for mercury removal.
- To analyze catalyst performance, including activity and resistance.
- To explore the mercury removal mechanisms and structure-activity relationships.
Main Methods:
- Literature review of various modified V/Ti-based SCR catalysts.
- Analysis of experimental data on catalyst performance.
- Correlation of catalyst characteristics with oxidation mechanisms and structural changes.
Main Results:
- Identified various modifications enhancing V/Ti-based catalyst performance for mercury removal.
- Linked catalyst structural changes and modifier properties to improved oxidation mechanisms.
- Provided insights into the relationship between catalyst modification and mercury removal efficiency.
Conclusions:
- Modified V/Ti-based SCR catalysts offer a viable solution for mercury pollution control.
- Understanding structure-activity relationships guides targeted catalyst design for enhanced mercury removal.
- This review clarifies research progress and directs future catalyst development efforts.
