Articles with "pore zeolites" as a keyword



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Phosphorus modified small-pore zeolites and their catalytic performances in ethanol conversion and NH3-SCR reactions

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Published in 2019 at "Applied Catalysis A: General"

DOI: 10.1016/j.apcata.2019.02.026

Abstract: Abstract Small-pore zeolites, composed of 8-membered ring windows, exhibit high catalytic performances in the selective catalytic reduction of NOx with ammonia (NH3-SCR) and the light olefin production from methanol or ethanol (MTO or ETO). As… read more here.

Keywords: phosphorus modified; modified small; nh3 scr; pore zeolites ... See more keywords
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Direct N2O decomposition over iron-substituted small-pore zeolites with different pore topologies

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Published in 2019 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2018.10.068

Abstract: Abstract Four cage-based, small-pore zeolites with similar framework Fe contents (0.7-0.9 wt%) but different framework structures (i.e., Fe-PST-7, Fe-LTA, Fe-SSZ-13, and Fe-RTH) have been synthesized and employed as direct N2O decomposition catalysts. When steam-activated, the light-off… read more here.

Keywords: n2o decomposition; pore zeolites; small pore; direct n2o ... See more keywords
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Small-Pore Zeolites: Synthesis and Catalysis.

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Published in 2018 at "Chemical reviews"

DOI: 10.1021/acs.chemrev.7b00738

Abstract: In the past decade or so, small-pore zeolites have received greater attention than large- and medium-pore molecular sieves that have historically dominated the literature. This is primarily due to the commercialization of two major catalytic… read more here.

Keywords: zeolites synthesis; chemistry; pore zeolites; small pore ... See more keywords
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Methane Partial Oxidation over [Cu2(μ-O)]2+ and [Cu3(μ-O)3]2+ Active Species in Large-Pore Zeolites

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Published in 2018 at "ACS Catalysis"

DOI: 10.1021/acscatal.7b03389

Abstract: Copper-containing large-pore zeolites, such as Cu-mordenite (Cu-MOR) and Cu-omega (Cu-MAZ), oxidize methane to yield a high amount of methanol. Two distinct active centers in MOR zeolite, namely, [Cu2(μ-O)]2+ and [Cu3(μ-O)3]2+, have been proposed and debated.… read more here.

Keywords: cu2 cu3; large pore; methane partial; pore zeolites ... See more keywords
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Dealumination of small-pore zeolites through pore-opening migration process with the aid of pore-filler stabilization

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Published in 2022 at "Science Advances"

DOI: 10.1126/sciadv.abo3093

Abstract: Small-pore zeolites are gaining increasing attention owing to their superior catalytic performance. Despite being critical for the catalytic activity and lifetime, postsynthetic tuning of bulk Si/Al ratios of small-pore zeolites has not been achieved with… read more here.

Keywords: opening migration; small pore; pore opening; pore ... See more keywords