RESEARCH PAPERExperimental study on selective catalytic reduction of NO by C3H6 over Fe/Ti-PILC catalysts
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Cited by (27)
New design for titanium-pillared montmorillonite composites as efficient heterogeneous catalysts to enhance Fe(II) reductivity for 2-nitrophenol removal
2021, Applied Clay ScienceCitation Excerpt :As both Bpy and Hpy are related to the water and surface hydroxyls, they should decrease with increasing thermal treatment temperature (Tyagi et al., 2006b). An intense band at 1490 cm−1 (Fig. 7a) may be attributable to pyridine associated with all types of solid surface acid sites, i.e., Bpy + Lpy + Hpy (Tyagi et al., 2006b; Reddy et al., 2009; Dong et al., 2018). As can be further seen in Fig. 7a, the total amount of acid sites in the six TPMt decreased with increasing thermal treatment temperature, and these sites are expected to predominantly originate from the Mt. component.
SCR of NO with CH<inf>4</inf>over Fe/Ga<inf>2</inf>O<inf>3</inf>-Al<inf>2</inf>O<inf>3</inf>and the mechanism
2021, Journal of Environmental Chemical EngineeringCitation Excerpt :The cordierite catalyst loaded with Fe could achieve 97% NO reduction at 600 °C and maintained more than 60% NO conversion after introducing 2.1% water vapor [8]. Fe/Ti-PILC [30] and Fe-PILC [31] catalysts could achieve NO conversion of more than 80% at 400 °C in the presence of 10% H2O and 0.2% SO2. Fe was also showed to enhance the ability of Ag/Al2O3/CM catalysts to resist SO2 and H2O in the flue gas [32].
Effect of synthesis parameters on catalytic performance of Fe/Ti-PILC catalysts for SCR-C<inf>3</inf>H<inf>6</inf> and in situ DRIFTS study
2020, Journal of Environmental Chemical EngineeringCitation Excerpt :Fe was proved to have a strong resistance to SO2 and H2O [19,20]. Dong et al. [21] prepared Fe-Ti/PILC for the SCR-C3H6 and showed that 100% NO conversion was achieved at 400 °C. Under exposure to 10% H2O and 200 ppm SO2, the catalysts showed a NO conversion above 90%, only a slight decrease as compared to the NO conversion when there were no H2O and SO2.
Boosting the Alkali/Heavy Metal Poisoning Resistance for NO Removal by Using Iron-Titanium Pillared Montmorillonite Catalysts
2020, Journal of Hazardous MaterialsCitation Excerpt :Besides, to improve the stability of montmorillonite’s layered structure, pillaring is a widely applied method that could express the maximal catalytic property of the pillared transition or rare metal species (Han et al., 2018; Long and Yang, 2000). Among the various reported pillared MMT materials, iron is verified to own the ability to enhance the acidity as well as the ammonia adsorption of the catalysts (Dong et al., 2018). Besides, iron is also proved to be a potential active metal that commonly used as metal oxides catalysts in NH3-SCR reaction (Liang et al., 2016).
Foundation items: Supported by the National Natural Science Foundation of China (51278095) and Jiangsu Province Prospective Joint Research Projects (BY2015032-02).