Articles with "zsm" as a keyword



Long-term study of CO2 absorption by PVDF/ZSM-5 hollow fiber mixed matrix membrane in gas–liquid contacting process

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.44606

Abstract: In order to fabricate hollow fiber mixed matrix membrane (HFMMM) for long-term CO2 absorption process, ZSM-5 (Zeolite Socony Mobil–5) zeolite was modified using hexadecyltrichlorosilane for increasing hydrophobicity and then added to the polyvinylidene fluoride (PVDF)… read more here.

Keywords: absorption; long term; co2 absorption; membrane ... See more keywords

Effective hierarchical ZSM‐5 catalysts for the cracking of naphtha and waste tire‐derived oil to light olefins

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Published in 2024 at "Biofuels"

DOI: 10.1002/bbb.2608

Abstract: Hierarchical ZSM‐5 zeolite materials with different SiO2/Al2O3 molar ratios in the range of 60–300 were synthesized using soft templating and microemulsion methods to generate zeolite materials with narrow mesopore size distributions. The resulting materials were… read more here.

Keywords: hierarchical zsm; waste tire; tire derived; zsm ... See more keywords

The Low‐Temperature Oxidation of Propane by using H2O2 and Fe/ZSM‐5 Catalysts: Insights into the Active Site and Enhancement of Catalytic Turnover Frequencies

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Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201601241

Abstract: Fe‐containing ZSM‐5 catalysts are reported to be efficient catalysts for the partial oxidation of propane to oxygenated products at reaction temperatures as low as 50 °C in an aqueous phase reaction when using the green oxidant… read more here.

Keywords: zsm catalysts; oxidation propane; propane; spectroscopy ... See more keywords

Fischer–Tropsch Synthesis Bifunctional Catalysts: Cobalt Supported on 3D Mesoporous Cellular Silica Foams Assembled by Using ZSM‐5 Seeds

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Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201700539

Abstract: Mesoporous cellular silica foams (MCF) have 3D pore networks in which large spherical cell pores interconnect with small window pores. This novel characteristic provides an open pore structure that favors the accessibility of reactants and… read more here.

Keywords: seed; mcf; cellular silica; catalyst ... See more keywords

Facile Synthesis of a Novel Hierarchical ZSM‐5 Zeolite: A Stable Acid Catalyst for Dehydrating Glycerol to Acrolein

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Published in 2018 at "Chemcatchem"

DOI: 10.1002/cctc.201700663

Abstract: Catalytic biomass conversion is often hindered by coking. Carbon compounds cover active surface and plug pores, causing catalyst deactivation. Material design at the nanoscale allows tailoring of the catalytic activity and stability. Here, we report… read more here.

Keywords: synthesis; catalyst; glycerol acrolein; zsm ... See more keywords

Finding the compromise between Brønsted acidity and mesoporosity in hierarchical ZSM‐5 zeolites

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Published in 2023 at "ChemCatChem"

DOI: 10.1002/cctc.202300167

Abstract: Mesoporous ZSM‐5 catalysts were prepared from a commercial ZSM‐5 (Si/Al=15), using a 2‐step micelle‐templating procedure. By varying the NaOH/Si synthesis ratio in the range of 0.3‐0.7, ZSM‐5 catalysts with different textural and acidic properties were… read more here.

Keywords: compromise; nsted acidity; compromise nsted; zsm ... See more keywords

Synergistic Effect of RuCo and Hierarchical ZSM‐5 for Enhanced Hydrogen Generation

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Published in 2024 at "ChemCatChem"

DOI: 10.1002/cctc.202400656

Abstract: A unique bifunctional catalyst comprised of acid site containing, hierarchical ZSM‐5 (contains acid sites) supported RuCo bimetal, was synthesized using a facile incipient wetness impregnation method. The synergistic interaction between zeolite acid sites and bimetals… read more here.

Keywords: synergistic effect; zsm; hierarchical zsm; hydrogen ... See more keywords

Consequences on Acidity and Reactivity of Inhomogeneous Sodium Exchange in the Shaping of ZSM‐5 with Silica Binders

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Published in 2025 at "ChemCatChem"

DOI: 10.1002/cctc.202500729

Abstract: Proton‐exchanged zeolite catalysts are used industrially in the form of objects shaped with binders, while their properties are optimized on powders at the research scale. Herein, the impact on the Brønsted acidity (probed by pyridine… read more here.

Keywords: silica binders; zsm; sodium; acidity reactivity ... See more keywords

Synergistic Effect of Hierarchical ZSM‐5 Zeolites Promotes Synthesis of Bioderived 4‐Hydroxy‐2‐Cyclopentenones and p‐Xylene

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Published in 2025 at "ChemCatChem"

DOI: 10.1002/cctc.202500942

Abstract: Catalytic valorization of biomass into aromatic cyclic oxygen fine chemicals is crucial for reducing reliance on fossil resources and opens up new possibilities in sustainable chemistry. In this study, a series of mesoporous ZSM‐5 zeolites… read more here.

Keywords: synergistic effect; cyclopentenones xylene; zsm; synthesis ... See more keywords

Confinement-enhanced selective oxidation of lignin derivatives to formic acid over Fe-Cu/ZSM-5 catalysts under mild conditions.

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Published in 2022 at "ChemSusChem"

DOI: 10.1002/cssc.202200218

Abstract: Aqueous-phase oxidation by H2O2, known as the Fenton-type process, provides an attractive route to convert recalcitrant lignin derivatives to valuable chemicals under mild conations. The development of this technology is, however, limited by the uncontrolled… read more here.

Keywords: oxidation; formic acid; confinement enhanced; zsm ... See more keywords

Recycling of Spent FCC Catalysts: Conversion of Leached Residues to Zeolite ZSM-5.

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Published in 2024 at "ChemSusChem"

DOI: 10.1002/cssc.202301642

Abstract: The commercial recycling of spent FCC catalyst typically focuses on recovering only 1 - 3% of rare-earth elements, with the remaining residues often disposed of in landfills. Here, we present a novel method to close a recycling… read more here.

Keywords: fcc catalysts; recycling spent; zsm; zeolite zsm ... See more keywords