Multiple Methane Activation Pathways on Ga‐modified ZSM‐5 Zeolites Revealed by Solid‐State NMR Spectroscopy
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DOI: 10.1002/cctc.202000650
Abstract: Methane activation on Ga‐modified ZSM‐5 zeolites (Ga/ZSM‐5) was studied by solid‐state NMR spectroscopy. Two types of Ga species, namely highly dispersed oxides and cationic Ga species, were determined by 71Ga QCPMG NMR. The activation of… read more here.
Keywords: methane; modified zsm; methane activation; spectroscopy ... See more keywords
Catalytic cracking of Swida wilsoniana oil for hydrocarbon biofuel over Cu-modified ZSM-5 zeolite
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DOI: 10.1016/j.fuel.2018.01.026
Abstract: Abstract Catalytic cracking of Swida wilsoniana oil over non-catalyst and various Cu-modified ZSM-5 catalysts doped with different concentration of Cu (0, 5, 10, 20 and 30 wt%) was studied. The physicochemical properties of the prepared catalysts… read more here.
Keywords: catalytic cracking; wilsoniana oil; hydrocarbon; modified zsm ... See more keywords
Insights into the long-term stability of the magnesia modified H-ZSM-5 as an efficient solid acid for steam reforming of dimethyl ether
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DOI: 10.1016/j.ijhydene.2019.06.177
Abstract: Abstract The long-term performance of the bifunctional catalyst composed of MgO-modified H-ZSM-5 and Cu/ZnO/Al2O3 for steam reforming of dimethyl ether (SRD) is studied under the same conditions. Although the surface chemical state and acid property… read more here.
Keywords: mgo modified; modified zsm; dimethyl ether; steam reforming ... See more keywords
Catalytic fast Co-Pyrolysis of sewage sludge−sawdust using mixed metal oxides modified with ZSM-5 catalysts on dual-catalysts for product upgrading
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DOI: 10.1016/j.joei.2020.10.005
Abstract: Abstract Catalytic fast co-pyrolysis of sewage sludge and sawdust was performed using Py/GC-MS for pyrolytic product upgrades. Metal oxides (NiO and MoO3) and ZSM-5 catalysts had been introduced into single catalytic pyrolysis. The combination of… read more here.
Keywords: metal oxides; modified zsm; dual catalysts; product ... See more keywords
Polynuclear Co-oxo cations in the catalytic oxidation of CO on Co-modified ZSM-5 zeolites
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DOI: 10.1016/j.matchemphys.2018.11.005
Abstract: Abstract Structure, reducibility and catalytic activity in the oxidation of CO were studied for Co-modified ZSM-5 zeolites (Co/Al = 0.1–0.9) prepared via impregnation, solid-state and wet ion exchange. According to TEM, XPS, DRIFTS, UV–vis-DRS, H2 -TPR and… read more here.
Keywords: modified zsm; zsm zeolites; oxidation; catalytic oxidation ... See more keywords
Hydrothermally stable acid-modified ZSM-22 zeolite for selective propylene production via steam-assisted catalytic cracking of n-hexane
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DOI: 10.1016/j.micromeso.2017.10.016
Abstract: Abstract To enhance the textural properties and the hydrothermal stability of porous catalysts, ZSM-22 zeolite samples were treated with different concentrations of HF aqueous solutions (0.7, 1.0 and 1.5 wt%). ZSM-22 samples that were treated with… read more here.
Keywords: zsm samples; catalytic cracking; modified zsm; acidity ... See more keywords
Fluoride-modified ZSM-5 for endothermic catalytic cracking of n-decane
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DOI: 10.1016/j.micromeso.2019.109616
Abstract: Abstract Endothermic catalytic cracking of hydrocarbon fuel is a promising technique for active thermal protection of advanced aircrafts. Catalyst with high activity and stability is crucial for obtaining high heat-absorbing capability. Here, a series of… read more here.
Keywords: modified zsm; catalytic cracking; cracking decane; endothermic catalytic ... See more keywords
Synthesis of Ni-Modified ZSM-5 Zeolites and Their Catalytic Performance in n-Octane Hydroconversion
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DOI: 10.3389/fchem.2020.586445
Abstract: Ni-modified ZSM-5 zeolites with different nickel contents were successfully prepared by the in situ synthesis method and the impregnation method. The synthesized samples were characterized by XRD, SEM, N2 adsorption–desorption isothermals, and Py-FTIR. The characterization… read more here.
Keywords: octane hydroconversion; zsm zeolites; method; modified zsm ... See more keywords