Does crystallite size dominate MTP performance over Silicalite-1 zeolite in methanol to propene?
نویسندگان
چکیده
منابع مشابه
Nanoscale Kirkendall growth of silicalite-1 zeolite mesocrystals with controlled mesoporosity and size.
The Kirkendall effect was utilized to synthesize mesoporous silicalite-1 zeolite nanocrystals without the involvement of additional templates. The mesopore size as well as the particle size can be easily controlled by nanoscale Kirkendall growth via significantly reducing the amount of water or tetrapropylammonium hydroxide, which were used in large quantities in conventional methods. The Kirke...
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In this communication, we demonstrate for the first time that titanium silicalite-1 zeolite microparticles (TSZMs) can effectively catalyze the reduction of H(2)O(2), leading to an enzymeless H(2)O(2) sensor with a linear detection range from 100 μM to 40 mM (r = 0.994) and a detection limit of 0.5 μM at a signal-to-noise ratio of 3.
متن کاملMethylation of Naphthalene with Methanol over SAPO-11 Zeolite
Shape-selective methylation of naphthalene (NAPH) over SAPO-11 zeolite was carried out in a fixed-bed flow reactor under atmospheric pressure. Some zeolites, such as H-beta (Hβ), HUSY and ZSM-5 were also evaluated for comparison with SAPO-11 zeolite.The results showed that SAPO-11 exhibited higher stability, higher selectivity of 2,6-dimethylnaphthalene (2,6-DMN), and higher 2,6-/2,7-DMN r...
متن کاملTetrapropylammonium Occlusion in Nanoaggregates of Precursor of Silicalite-1 Zeolite Studied by 1H and 13C NMR
The dynamic behavior of tetrapropylammonium (TPA) cations in the clear precursor sols for silicalite synthesis has been investigated by 1H diffusion ordered spectroscopy (DOSY), T1, T2, and T1ρ 1H relaxation, as well as 1HÑ13C cross polarization (CP) nuclear magnetic resonance. The DOSY NMR experiments showed the presence of strong solute–solvent interactions in concentrated sols, which are dec...
متن کاملmethylation of naphthalene with methanol over sapo-11 zeolite
shape-selective methylation of naphthalene (naph) over sapo-11 zeolite was carried out in a fixed-bed flow reactor under atmospheric pressure. some zeolites, such as h-beta (hβ), husy and zsm-5 were also evaluated for comparison with sapo-11 zeolite.the results showed that sapo-11 exhibited higher stability, higher selectivity of 2,6-dimethylnaphthalene (2,6-dmn), and higher 2,6-/2,7-dmn ratio...
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ژورنال
عنوان ژورنال: Catalysis Communications
سال: 2021
ISSN: 1566-7367
DOI: 10.1016/j.catcom.2021.106295