Abstract
The investigation of ammonia selective catalytic reduction (NH3-SCR) was done for reduction of NOx emission by using Fe–Cu-SSZ-13 and hybrid Fe–Cu-SSZ-13 zeolite catalyst, as a reaction generates ozone and causes acid rain in the atmosphere. Fe–Cu-SSZ-13 and hybrid Fe–Cu-SSZ-13 zeolite catalyst were prepared by ion exchange and wet impregnation method with three different molar ratios between Zn and CNTs are 1:5, 1:10, and 1:15 for hybrid Fe–Cu-SSZ-13. The prepared zeolite catalyst was characterized for microstructural and morphological characteristics such as BET surface area measurement, XRD pattern, SEM, XPS spectra, NH3-TPD, and H2-TPR characteristics and catalytic activity was carried out. As a results of catalytic activity indicating that a molar ratio of 1:10 (Zn1–CNT10/Fe–Cu-SSZ-13) exhibits better NOx conversion efficiency with and without SO2 gas in feed of 100% and 90% at temperature range of 200 °C to 500 °C indicating that addition of CNTs and Zn species plays a vital role of NOx conversion and anti-sulfur performance.
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Abbreviations
- BET:
-
Brunauer–Emmett–Teller
- NH3-SCR:
-
Ammonia selective catalytic reduction
- SEM:
-
Scanning electron microscope
- TPD:
-
Temperature programmed desorption
- TPR:
-
Temperature programmed reduction
- XRD:
-
X-ray diffraction
- XPS:
-
X-ray photoelectron spectroscopy
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Kumar, M.S., Alphin, M.S. Influence of Fe–Cu-SSZ-13 and hybrid Fe–Cu-SSZ-13 zeolite catalyst in ammonia-selective catalytic reduction (NH3-SCR) of NOx. Reac Kinet Mech Cat 135, 2551–2563 (2022). https://doi.org/10.1007/s11144-022-02283-x
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DOI: https://doi.org/10.1007/s11144-022-02283-x