Articles with "zsm zsm" as a keyword



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Adsorption and dehydration of ethanol on isomorphously B, Al, and Ga substituted H-ZSM-5 zeolite: an embedded ONIOM study

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Published in 2021 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-021-04979-8

Abstract: Dehydration reactions are important in the petroleum and petrochemical industries, especially for the feedstock production. In this work, the catalytic activity of zeolites with different acidities for the dehydration of ethanol to ethylene and diethylether… read more here.

Keywords: adsorption; substituted zsm; zsm zsm; dehydration ethanol ... See more keywords
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Controllable synthesis of ZSM-11/ZSM-5 intergrowth zeolite using 1,3-cyclohexanedimethanamine as organic template

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Published in 2020 at "Journal of Porous Materials"

DOI: 10.1007/s10934-020-00905-0

Abstract: A new organic template, 1,3-cyclohexanedimethanamine (1,3-CDA), is found to be effective in directing the crystallization of ZSM-11 zeolite. Phase transformation from ZSM-11 to ZSM-5 was observed when varying the molar ratios of OH − /SiO… read more here.

Keywords: organic template; zeolite; zsm intergrowth; zsm zsm ... See more keywords
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Enhancing propene selectivity in methanol and/or butene conversion by regulating channel systems over ZSM-5/ZSM-48 composite zeolites

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2020.110803

Abstract: Abstract ZSM-5/ZSM-48 composite zeolite was synthesized via an one-pot method by using mixed templates of cetyltrimethyl ammonium bromide (CTAB) and 1,6-hexamethylenediamine (HDA), and its catalytic performance was tested in methanol-to-olefin reaction (MTO), butene conversion and… read more here.

Keywords: zsm zsm; zsm composite; butene conversion; zsm ... See more keywords
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Heat-Flow Measurements for n-Hexane Reactions on H-ZSM-5 and H(Zn)-ZSM-5: Implications for Endothermic Reforming in Hypersonic Aircraft

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Published in 2017 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.7b01006

Abstract: The heat flows associated with conversion of n-hexane on H-ZSM-5 and H(Zn)-ZSM-5 were measured for reaction at 60 bar and both 673 and 773 K for application to endothermic reforming for hypersonic flight. The heat… read more here.

Keywords: heat flow; zsm zsm; reforming hypersonic; endothermic reforming ... See more keywords
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Synthesis, characterization and n -hexane hydroisomerization performances of Pt supported on alkali treated ZSM-22 and ZSM-48

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Published in 2018 at "RSC Advances"

DOI: 10.1039/c8ra04858d

Abstract: ZSM-48 and ZSM-22 zeolites with similar Si/Al molar ratio have been treated with alkali to modify the pore structures and acidity, and alkali treated ZSM-22 and ZSM-48 samples have been characterized by X-ray Diffraction (XRD),… read more here.

Keywords: hexane hydroisomerization; zsm; microscopy; hzsm ... See more keywords
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CO2 and CO adsorption equilibrium on ZSM-5 for different SiO2/Al2O3 ratios

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Published in 2019 at "Separation Science and Technology"

DOI: 10.1080/01496395.2018.1518332

Abstract: ABSTRACT CO2 and CO adsorption on MFI type zeolites with different SiO2/Al2O3 ratios (ZSM-5(30), ZSM-5(50), ZSM-5(280), and silicalite) were investigated in this study by a static gravimetric analyzer for pure isotherms at 30°C, 65°C, 100°C,… read more here.

Keywords: different sio2; adsorption; co2 adsorption; al2o3 ratios ... See more keywords

Shape Selectivity in Hydroisomerization of n-Hexadecane over Pd Supported on Zeolites: ZSM-22, ZSM-12 and Beta

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Published in 2020 at "Russian Journal of Applied Chemistry"

DOI: 10.1134/s1070427220090165

Abstract: The development of bifunctional catalysts with high branched isomers selectivity in hydroisomerization of n-alkanes constantly remains crucial for the manufacture of green biodiesel from vegetable oil. Herein, three bifunctional catalysts (Pd/zeolite) have been prepared by… read more here.

Keywords: selectivity hydroisomerization; hexadecane; zsm zsm;