Articles with "zeolite beta" as a keyword



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Modifying the Hydrogenation Activity of Zeolite Beta for Enhancing the Yield and Selectivity for Fuel-Range Alkanes from Carbon Dioxide.

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Published in 2022 at "ChemPlusChem"

DOI: 10.1002/cplu.202200177

Abstract: In order to empower a circular carbon economy for addressing global CO2 emissions, the production of carbon-neutral fuels is especially desired, since addressing the global fuel demand via this route has the potential to significantly… read more here.

Keywords: carbon; beta; hydrogenation; fuel ... See more keywords
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Synthesis and characterization of mesoporous zeolite Beta templated by a novel organosiloxane

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Published in 2017 at "Journal of Porous Materials"

DOI: 10.1007/s10934-017-0409-y

Abstract: In this paper, a novel organosiloxane was prepared and employed as mesoporogen to synthesis mesoporous zeolite Beta successfully. With the increase of organosiloxane to synthesis mixture, the total BET (Brunauer–Emmett–Teller) surface areas of the as-obtained… read more here.

Keywords: novel organosiloxane; zeolite beta; mesoporous zeolite; synthesis ... See more keywords
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Molybdenum anchored onto zeolite beta: an efficient catalyst for the one-pot synthesis of octahydroquinazolinone derivatives under solvent-free conditions

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Published in 2018 at "Reaction Kinetics, Mechanisms and Catalysis"

DOI: 10.1007/s11144-018-1370-8

Abstract: In the present work, the heterogenization of MoO2(acac)2 onto imine functionalized zeolite beta is reported. The catalyst was characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy-energy dispersive X-ray analysis (SEM–EDX),… read more here.

Keywords: zeolite beta; catalyst; synthesis octahydroquinazolinone; octahydroquinazolinone derivatives ... See more keywords
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Catalytic oligomerization of isobutyl alcohol to jet fuels over dealuminated zeolite Beta

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Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2020.04.047

Abstract: Abstract Various dealuminum methods of zeolite Beta to generate the jet fuels by converting isobutyl alcohol has been investigated in detail. And related factors of the zeolite catalyst such as acid site, pore structure, and… read more here.

Keywords: zeolite beta; dealuminated zeolite; jet fuels; isobutyl alcohol ... See more keywords
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Aqueous adsorption of sulfamethoxazole on an N-doped zeolite beta-templated carbon.

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Published in 2020 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2020.08.065

Abstract: A zeolite beta-templated carbon (BTC) and its N-doped form (nBTC) were prepared and used for the adsorptive removal of sulfamethoxazole (SMX) antibiotic from water. Both demonstrated excellent adsorption properties, and the maximum adsorption capacity of… read more here.

Keywords: zeolite beta; adsorption; beta templated; templated carbon ... See more keywords
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Hierarchical composite catalysts of MCM-41 on zeolite Beta for conversion of heavy reformate to xylenes

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Published in 2021 at "Journal of Industrial and Engineering Chemistry"

DOI: 10.1016/j.jiec.2021.04.003

Abstract: Abstract Hierarchical composites of MCM-41 on zeolite Beta were synthesized by in-situ hydrothermal technique, characterized and their catalytic performance for converting heavy reformate into valuable xylenes was evaluated. Systematic optimization of the hierarchical pore generation… read more here.

Keywords: hierarchical composite; heavy reformate; beta; mcm zeolite ... See more keywords
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A hierarchical zeolite Beta with well-connected pores via using graphene oxide

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Published in 2019 at "Materials Letters"

DOI: 10.1016/j.matlet.2019.05.014

Abstract: Abstract Hierarchical zeolite Beta has been successfully synthesized by adding graphene oxide (GO) in the hydrothermal system and characterized by XRD, SEM and N2 adsorption-desorption. The results show that the mesoporous distribution of the hierarchical… read more here.

Keywords: zeolite beta; beta well; graphene oxide; hierarchical zeolite ... See more keywords
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Defects reparation and surface hydrophilic modification of zeolite beta membranes with spherical polyelectrolyte complex nanoparticles via vacuum-wiping deposition technique

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Published in 2020 at "Journal of Membrane Science"

DOI: 10.1016/j.memsci.2020.117977

Abstract: Abstract The elimination of defects in zeolite membranes is of vital importance to achieve superior separation performances. A facile and versatile strategy was proposed to repair defects in zeolite membranes via vacuum-wiping deposition (VWD) with… read more here.

Keywords: technique; zeolite beta; beta; deposition ... See more keywords
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Synthesis of mesoporous zeolites in fluoride media with structure-directing multiammonium surfactants

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Published in 2017 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2016.09.037

Abstract: Abstract Mesoporous zeolite beta in pure-silica form and its analogues, including aluminosilicate, stannosilicate, and titanosilicate, were synthesized at near-neutral pH in the presence of fluoride ion as a mineralizer and piperidinium-functionalized multiammonium surfactant as a… read more here.

Keywords: zeolite beta; fluoride media; structure directing; multiammonium ... See more keywords
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Charge density mismatch synthesis of zeolite beta in the presence of tetraethylammonium, tetramethylammonium, and sodium ions: Influence of tetraethylammonium decomposition

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Published in 2017 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2016.11.013

Abstract: Abstract The effects of a temperature change on the phase selectivity of crystallization in a tetraethylammonium (TEA+)-tetramethylammonium (TMA+)-Na+ mixed structure-directing agent (SDA) system, which had been previously used in the synthesis of UZM-9 and UZM-5… read more here.

Keywords: tetraethylammonium; zeolite beta; charge density; chemistry ... See more keywords
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Fast and efficient synthesis of SSZ-13 by interzeolite conversion of Zeolite Beta and Zeolite L

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Published in 2019 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2019.02.021

Abstract: Abstract Highly crystalline and pure SSZ-13 zeolite is obtained by interzeolite conversion of zeolite Beta and zeolite L. Zeolite Beta is used without preliminary treatment, while zeolite L is subjected to dealumination in order to… read more here.

Keywords: interzeolite conversion; ssz; beta zeolite; zeolite beta ... See more keywords