Results 181 to 190 of about 83,093,681 (218)
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Coke formation in zeolite ZSM-5
Journal of Catalysis, 1986Abstract The coke contents and sorption capacities of three ZSM-5 zeolites with different Al Si ratios were followed during methanol conversion until the zeolites were completely deactivated. For two of the zeolites the volume of coke exceeded the concomitant decrease in void volume, so that some coke must have been sited on the external ...
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Phosphatation of Zeolite H‐ZSM‐5: A Combined Microscopy and Spectroscopy Study
ChemPhysChem, 2014AbstractA variety of phosphated zeolite H‐ZSM‐5 samples are investigated by using a combination of Fourier transfer infrared (FTIR) spectroscopy, single pulse 27Al, 29Si, 31P, 1H‐31P cross polarization (CP), 27Al‐31P CP, and 27Al 3Q magic angle spinning nuclear magnetic resonance (MAS NMR) spectroscopy, scanning transmission X‐ray microscopy (STXM) and
van der Bij, Hendrik E. +5 more
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Isomorphous Substitution in Zeolite Zsm-5
1989A series of metal-substituted silicalite samples has been prepared. Preliminary experiments indicate that some of the metal species occupy framework sites in the zeolite structure. An interesting feature of all of the products is the large size of the crystallites, some being as much as 500μm long.
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Structure of Highly Siliceous ZSM-5 Zeolites and Ti-ZSM-5 Zeolites Obtained by Indirect Synthesis
Acta Physico-Chimica Sinica, 1998Zhao Qi +9 more
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The Universal Zeolite ZSM-5: Structure and Synthesis Strategies. A Review
Coordination Chemistry Reviews, 2023Nadjat Chouat
exaly