Articles with "small pore" 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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As a Nucleus Enters a Small Pore, Chromatin Stretches and Maintains Integrity, Even with DNA Breaks.

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Published in 2017 at "Biophysical journal"

DOI: 10.1016/j.bpj.2016.09.047

Abstract: As a cell pushes or pulls its nucleus through a small constriction, the chromatin must distort and somehow maintain genomic stability despite ever-present double-strand breaks in the DNA. Here we visualize within a living cell… read more here.

Keywords: chromatin stretches; nucleus enters; integrity; small pore ... See more keywords
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Time-resolved operando DRIFTS-MS study of the moisture tolerance of small-pore SAPO-34 molecular sieves during CH4/CO2 separation

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2020.110071

Abstract: Abstract This study pretends to evaluate and understand the effect of moisture presence during CO2/CH4 separation on small-pore SAPO-34 molecular sieves. Two SAPO-34 samples with different physicochemical properties (composition, crystal size and texture) were prepared… read more here.

Keywords: sapo molecular; pore sapo; sapo; molecular sieves ... 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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Economical and Sustainable Synthesis of Small-Pore Chabazite Catalysts for NOx Abatement by Recycling Organic Structure-Directing Agents.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c07239

Abstract: The application of small-pore chabazite-type SSZ-13 zeolites, key materials for the reduction of nitrogen oxides (NOx) in automotive exhausts and the selective conversion of methane, is limited by the use of expensive N,N,N-trimethyl-1-ammonium adamantine hydroxide… read more here.

Keywords: organic structure; small pore; waste; pore chabazite ... See more keywords
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Small-Pore Gallates MOFs for Environmental Applications: Sorption Behaviors and Structural Elucidation of Their High Affinity for CO2

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Published in 2020 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.9b11535

Abstract: The ability of two structurally related small-pore metal–organic frameworks (MOFs) to capture CO2 was investigated by a combination of gas sorption measurements, X-ray powder diffraction (XRPD) ana... read more here.

Keywords: sorption; small pore; pore gallates; mofs environmental ... See more keywords
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Preparation of Small-Pore Ultrafiltration Membranes with High Surface Porosity by In Situ CO2 Nanobubble-Assisted NIPS.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c23760

Abstract: The fabrication of ultrafiltration (UF) membranes with a small pore size ( read more here.

Keywords: small pore; surface porosity; membrane; co2 ... 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