Synthesis, Characterization and Catalytic Dehydration of Glycerol to Acrolein Over Phosphotungstic Acid Supported Y-Zeolite Catalysts
Sign Up to like & getrecommendations! Published in 2017 at "Catalysis Letters"
DOI: 10.1007/s10562-017-2236-9
Abstract: AbstractVapour phase catalytic dehydration of glycerol to acrolein was studied over phosphotungstic acid (PTA) supported (with different loadings of PTA) on Y-zeolite catalysts. The active component PTA was varied between 10 and 40% w/w on… read more here.
Keywords: dehydration glycerol; zeolite catalysts; pta; pta zeolite ... See more keywords
Development of Magnesium Oxide–Zeolite Catalysts for Isomerization of Fatty Acids
Sign Up to like & getrecommendations! Published in 2018 at "Catalysis Letters"
DOI: 10.1007/s10562-018-2601-3
Abstract: Three zeolites were treated with magnesium nitrate hexahydrate (Mg(NO3)2⋅6H2O) salt to generate active magnesium oxide (MgO)–zeolite catalysts for the isomerization of oleic acid to give the iso-oleic acid (precursor of isostearic acid). Isostearic acid is… read more here.
Keywords: magnesium oxide; isomerization; magnesium; zeolite catalysts ... See more keywords
Control of methane chlorination with molecular chlorine gas using zeolite catalysts: Effects of Si/Al ratio and framework type
Sign Up to like & getrecommendations! Published in 2020 at "Catalysis Today"
DOI: 10.1016/j.cattod.2020.01.014
Abstract: Abstract CH4 chlorination with Cl2 gas is used for the production of chlorinated products via C H bond activation in CH4. Due to the high reactivity of Cl2, this reaction can occur spontaneously under UV… read more here.
Keywords: chlorination; gas; ch4; framework type ... See more keywords
Evaluation of zeolite catalysts on product distribution during sweet sorghum bagasse catalytic pyrolysis
Sign Up to like & getrecommendations! Published in 2021 at "Energy"
DOI: 10.1016/j.energy.2020.118799
Abstract: Abstract The catalytic fast pyrolysis (CFP) of sweet sorghum bagasse was carried out in a three-stage tube furnace to achieve high value utilization of sweet sorghum bagasse. The effects of zeolite catalysts (hierarchical HZSM-5, HBeta,… read more here.
Keywords: zeolite catalysts; sweet sorghum; product distribution; pyrolysis ... See more keywords
Ethane Ammoxidation over Sn/H-Zeolite Catalysts: Toward the Factors Contributing to the Yield of Acetonitrile.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.3c04005
Abstract: Different Sn/H-zeolite (β, MOR, SSZ-13, FER, and Y zeolite) catalysts are prepared with the improved impregnation method. The effects of reaction temperature and the composition of the reaction gas (ammonia, oxygen, and ethane) on the… read more here.
Keywords: ethane ammoxidation; zeolite; reaction; yield ... See more keywords
Computational Insights into the Mechanism of the Selective Catalytic Reduction of NOx: Fe- versus Cu-Exchanged Zeolite Catalysts
Sign Up to like & getrecommendations! Published in 2019 at "ACS Omega"
DOI: 10.1021/acsomega.9b00600
Abstract: We computationally investigate the mechanism of the reduction half-cycle of the selective catalytic reduction of nitrogen oxides with ammonia. We compare both Fe- and Cu-exchanged zeolite catalysts and aim at exploring all accessible reaction pathways.… read more here.
Keywords: catalytic reduction; reduction; mechanism; selective catalytic ... See more keywords
Structure and catalytic characterization of a second framework Al(IV) site in zeolite catalysts revealed by NMR at 35.2 Tesla.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.0c00590
Abstract: Ultra-high field 1H-27Al 2D correlation NMR experiments demonstrate that at least two framework Al(IV) sites with hydroxyl groups can exist in acidic zeolite catalysts in their dehydrated and catalytically active states. In addition to the… read more here.
Keywords: framework; field; zeolite catalysts; site ... See more keywords
Microwaves effectively examine the extent and type of coking over acid zeolite catalysts
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-00602-8
Abstract: Coking leads to the deactivation of solid acid catalyst. This phenomenon is a ubiquitous problem in the modern petrochemical and energy transformation industries. Here, we show a method based on microwave cavity perturbation analysis for… read more here.
Keywords: acid zeolite; coke; zeolite; microwaves effectively ... See more keywords
Aromatisation of bio-derivable isobutyraldehyde over HZSM-5 zeolite catalysts
Sign Up to like & getrecommendations! Published in 2019 at "Green Chemistry"
DOI: 10.1039/c9gc00483a
Abstract: A novel efficient route to obtain aromatic products based on biomass feedstock was successfully demonstrated with high BTX yields. read more here.
Keywords: bio derivable; aromatisation bio; zeolite catalysts; hzsm zeolite ... See more keywords
Molecular transport in zeolite catalysts: depicting an integrated picture from macroscopic to microscopic scales.
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Society reviews"
DOI: 10.1039/d2cs00079b
Abstract: Increasing social sustainability triggers the persistent progress of industrial catalysis in energy transformation and chemical production. Zeolites have been demonstrated to be pivotal catalysts in chemical industries due to their moderate acidity and versatile well-defined… read more here.
Keywords: transport; macroscopic microscopic; diffusion; zeolite catalysts ... See more keywords
Catalytic Cracking of Cyclohexane and 1-Hexene Mixtures on Mono-, Bi-, and Tri-Zeolite Catalysts
Sign Up to like & getrecommendations! Published in 2019 at "Kinetics and Catalysis"
DOI: 10.1134/s0023158419010117
Abstract: The effects of temperature (540–640°C), weight hour space velocity (1.0–7.0 h–1), and steam : raw material ratios (0–2.5) on the yield of C2–C4 olefins, conversion, and octane characteristics in the cracking of a mixture of… read more here.
Keywords: cyclohexane hexene; mono tri; zeolite catalysts; tri zeolite ... See more keywords