Journal
CATALYSTS
Volume 9, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/catal9121004
Keywords
Mn-MOF-74; modification; water resistance; NH3-SCR performance
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Funding
- National Natural Science Foundation of China [21506150]
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In this study, Mn-MOF-74 was successfully synthesized and further modified via two paths for enhanced water resistance. The structure and morphology of the modified samples were investigated by a series of characterization methods. The results of selective catalytic reduction (SCR) performance tests showed that polyethylene oxide-polypropylene-polyethylene oxide (P123)-modified Mn-MOF-74 exhibited outstanding NO conversion of up to 92.1% in the presence of 5 vol.% water at 250 degrees C, compared to 52% for Mn-MOF-74 under the same conditions. It was concluded that the water resistance of Mn-MOF-74 was significantly promoted after the introduction of P123 and that the unmodified P123-Mn-MOF-74 was proven to be a potential low-temperature SCR catalyst.
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