Articles with "zeolite" as a keyword



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Optimization of the Reaction Conditions for Catalytic Fast Pyrolysis of Pretreated Lignin over Zeolite for the Production of Phenol

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Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201601674

Abstract: The catalytic fast pyrolysis of lignin for the production of phenols over commercial zeolites was studied in‐depth. The results show that the production of phenols depended on several parameters, such as lignin pretreatment methods, pyrolysis… read more here.

Keywords: production; fast pyrolysis; zeolite; lignin ... See more keywords
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Fine‐Tuning Texture of Highly Acidic HZSM‐5 Zeolite for Efficient Ethanol Dehydration

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Published in 2023 at "ChemCatChem"

DOI: 10.1002/cctc.202201387

Abstract: Achieving high and stable ethylene yield from (bio)ethanol dehydration over highly active acidic zeolite remains challenging due to undesired side‐reactions. To overcome this issue, the fine‐tuned textural property of the HZSM‐5 catalyst with a hierarchical… read more here.

Keywords: dehydration; zeolite; ethanol dehydration; ethylene yield ... See more keywords
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Comparison of Various Phosphine Additives in Zeolite Based Catalytic Isomerization of Oleic Acid

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Published in 2018 at "European Journal of Lipid Science and Technology"

DOI: 10.1002/ejlt.201800070

Abstract: Isostearic acids (ISA) are important bio‐based ingredients for many commercial products such as lubricants, detergents, and cosmetics. This study is targeted to compare the efficacy of various phosphine derivatives in neutralizing the external acidic surface… read more here.

Keywords: phosphine additives; zeolite; phosphine; various phosphine ... See more keywords
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L−Lysine Amino Acid Adsorption on Zeolite L: a Combined Synchrotron, X‐Ray and Neutron Diffraction Study

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Published in 2020 at "ChemistryOpen"

DOI: 10.1002/open.202000183

Abstract: Abstract Combined neutron and X‐ray powder diffraction techniques highlighted the sorption capacity of the acidic L zeolite towards the L‐lysine amino acid. The role of zeolite channels in the stabilization of the lysine absorbed and… read more here.

Keywords: amino acid; zeolite; lysine amino; diffraction ... See more keywords
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Preparation and characterization of nanocomposites based on different zeolite frameworks as carriers for anticancer drug: zeolite Y versus ZSM-5

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Published in 2018 at "Polymer Bulletin"

DOI: 10.1007/s00289-018-2472-1

Abstract: This research was to investigate and characterize different types of zeolites, i.e., Y and ZSM-5 as well as their corresponding nanocomposite of PEG (PEG/Y and PEG/ZSM-5), as carrier for loading and release of curcumin. Zeolites… read more here.

Keywords: zsm; zeolite; drug; peg peg ... See more keywords
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Adsorption characteristics of light gases on basalt rock-based zeolite 4A

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Published in 2019 at "Adsorption"

DOI: 10.1007/s10450-019-00086-6

Abstract: The adsorption characteristics of light gases on basalt rock-based zeolite 4A (BR zeolite-4A) were systematically investigated to evaluate its potential application as an alternative adsorbent for adsorption-based separation processes. We used alkali fusion and hydrothermal… read more here.

Keywords: adsorption; zeolite; light gases; adsorption characteristics ... See more keywords
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Studies on Structural Changes and Catalytic Activity of Y-zeolite Composites of 1,3-disulfoimidazolium trifluoroacetate Ionic Liquid (IL) for Three Component Synthesis of 3,4-dihydropyrimidinones

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Published in 2017 at "Catalysis Letters"

DOI: 10.1007/s10562-016-1922-3

Abstract: This report describes the development of six acidic composites of Y-zeolite with 1,3-disulfoimidazolium trifluoroacetate [Dsim][CF3COO] ionic liquid (IL) and displays the gradual increase of acidic IL mediated dealumination within zeolite framework with increasing loading in… read more here.

Keywords: structural changes; studies structural; ionic liquid; disulfoimidazolium trifluoroacetate ... See more keywords
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The effect of zeolite incorporation on the physical properties of silver-reinforced glass ionomer cement

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Published in 2022 at "Journal of Materials Science: Materials in Medicine"

DOI: 10.1007/s10856-022-06659-2

Abstract: Zeolite can impart antibacterial properties to dental materials in the long-term when incorporated with inorganic cations. However, due to its porosity, it may jeopardize the mechanical integrity of the dental material. The aim of this… read more here.

Keywords: water solubility; reinforced glass; water; physical properties ... See more keywords
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Preparation and Determination of Antimicrobial Property of Cation-Exchanged Ecuadorian Natural Zeolite to be Used as Filler for Polyethylene and Polypropylene Matrices

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Published in 2017 at "Journal of Polymers and the Environment"

DOI: 10.1007/s10924-017-1153-8

Abstract: Zeolites are crystalline aluminosilicates with nanoporous structure, tasteless and non-toxic materials. In this study, silver ion-exchanged zeolite, which was prepared from the natural Ecuadorian zeolites was used as reinforcement material in low-density polyethylene (LDPE) and polypropylene… read more here.

Keywords: natural zeolite; zeolite; polypropylene; property ... 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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Electrochemical water splitting using nano-zeolite Y supported tungsten oxide electrocatalysts

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Published in 2018 at "Journal of Nanoparticle Research"

DOI: 10.1007/s11051-018-4153-2

Abstract: Zeolites are often used as supports for metals and metal oxides because of their well-defined microporous structure and high surface area. In this study, nano-zeolite Y (50–150 nm range) and micro-zeolite Y (500–800 nm range) were loaded… read more here.

Keywords: electrochemical water; zeolite; nano zeolite; micro zeolite ... See more keywords