نتایج جستجو برای: h zsm 5 nanozeolite
تعداد نتایج: 1626099 فیلتر نتایج به سال:
The supplementary data have included a full range of TEM pictures of the post-run samples, including 400 oC calcinated MoO3/H-ZSM-5 samples (coked) and the parent H-ZSM-5 (coked), showing the distribution of Mo clusters on the zeolite crystallite external surface, and the observed coke deposition upon the spreading of the Mo species. The Figures S1-S9 are the complementary of the Fig. 8 in the ...
γ-Valerolactone (GVL) is one of the useful biomass compounds produced via different reaction pathways from hemicellulose. In this study, Co- and Pt-doped/ZSM-5 catalysts with Co loadings (0–10 wt.%) Pt (0.5–2 were prepared by impregnation method employed in a one-pot conversion furfural to GVL. The yield GVL increased increasing temperature 100 140 °C. At 120 °C, higher amounts secondary produc...
A role for propene as an intermediate in methanol-to-hydrocarbons chemistry over H-ZSM-5 is considered.
Size-controllable Pt nanoparticles ranging from 1.3 to 2.3 nm were successfully loaded onto ZSM-5 (Pt-x/ZSM-5, where x is the mean diameter of the Pt nanoparticles). Catalytic tests in complete oxidation of toluene as a model for VOC removal show that Pt-1.9/ZSM-5 has the highest activity, due to a balance of Pt dispersion and Pt(0) proportion.
The nature and spectroscopic expression of external surface sites zeolites, in particular ZSM-5, is a long-debated question. Herein, we use three cutting-edge techniques: Fourier-transform infrared spectroscopy (FTIR) with Fourier self-deconvolution (FSD), high magnetic field proton NMR under fast magic-angle spinning (MAS) periodic boundary Density Functional Theory (DFT) calculations to study...
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