Articles with "dealumination" as a keyword



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Enhanced Catalytic Performance of Cr/MOR for Ethane Dehydrogenation Through Dealumination

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Published in 2020 at "Catalysis Letters"

DOI: 10.1007/s10562-020-03421-7

Abstract: Abstract Dehydrogenation of ethane to ethylene assisted by CO 2 was investigated over CrO x catalysts supported on MOR zeolites. The catalysts were characterized by XRD, N 2 adsorption, SEM, 27 Al and 29 Si… read more here.

Keywords: ethane; dehydrogenation; mor; catalytic performance ... See more keywords
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Insight into hydrothermal aging effect on deactivation of Pd/SSZ-13 as low-temperature NO adsorption catalyst: Effect of dealumination and Pd mobility

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Published in 2021 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2020.119874

Abstract: Abstract Pd/SSZ-13 samples with the same Pd loading (1 wt.%) but different Si/Al ratio (6 and 13) were hydrothermally aged at 800, 850, and 900 oC, respectively. The Pd/SSZ-13 with a lower Si/Al ratio suffers… read more here.

Keywords: mobility; dealumination; ratio; deactivation ssz ... See more keywords
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Synthesis and characterization of hierarchical Y zeolites using NH4HF2 as dealumination agent

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Published in 2019 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2019.01.039

Abstract: Abstract In this work, the hierarchical Y zeolites are firstly obtained by etching NaY zeolites with different NH4HF2 solutions. The morphology and microstructure, toluene adsorption property of as-prepared hierarchical Y zeolites are characterized. The results… read more here.

Keywords: synthesis characterization; dealumination; characterization hierarchical; hierarchical zeolites ... See more keywords