scholarly journals Insights on a Hierarchical MFI Zeolite: A Combined Spectroscopic and Catalytic Approach for Exploring the Multilevel Porous System Down to the Active Sites

2021 ◽  
Author(s):  
Alessia Airi ◽  
Matteo Signorile ◽  
Francesca Bonino ◽  
Pierluigi Quagliotto ◽  
Silvia Bordiga ◽  
...  
Keyword(s):  
Active Sites ◽  
Porous System ◽  
Zeolite A ◽  
Mfi Zeolite

Correlation Effects in Diffusion of CH4/CF4Mixtures in MFI Zeolite. A Study Linking MD Simulations with the Maxwell−Stefan Formulation

Langmuir ◽  
2003 ◽  
Vol 19 (19) ◽  
pp. 7977-7988 ◽  
Author(s):  
Anastasios I. Skoulidas ◽  
David S. Sholl ◽  
Rajamani Krishna
Keyword(s):  
Md Simulations ◽  
Zeolite A ◽  
Correlation Effects ◽  
Mfi Zeolite

Study of active sites on the MFI zeolite catalysts for the transformation of ethanol into propylene

2010 ◽  
Vol 328 (1-2) ◽  
pp. 114-118 ◽  
Author(s):  
Wei Xia ◽  
Atsushi Takahashi ◽  
Isao Nakamura ◽  
Hiromichi Shimada ◽  
Tadahiro Fujitani
Keyword(s):  
Active Sites ◽  
Zeolite Catalysts ◽  
Mfi Zeolite

Adsorption and Separation Mechanism of Thiophene/Benzene in MFI Zeolite: A GCMC Study

2017 ◽  
Vol 121 (46) ◽  
pp. 25818-25826 ◽  
Author(s):  
Hui Fu ◽  
Yajun Wang ◽  
Tianhao Zhang ◽  
Chaohe Yang ◽  
Honghong Shan
Keyword(s):  
Separation Mechanism ◽  
Zeolite A ◽  
Mfi Zeolite

Molecular Simulations of Water and Paracresol in MFI Zeolite - A Monte Carlo Study

Langmuir ◽  
2009 ◽  
Vol 25 (19) ◽  
pp. 11598-11607 ◽  
Author(s):  
L. Narasimhan ◽  
Pascal Boulet ◽  
Bogdan Kuchta ◽  
Oliver Schaef ◽  
Renaud Denoyel ◽  
...  
Keyword(s):  
Monte Carlo ◽  
Molecular Simulations ◽  
Monte Carlo Study ◽  
Zeolite A ◽  
Mfi Zeolite

Effects of single and double active sites of Cu oxide clusters over MFI zeolite for direct conversion of methane to methanol: DFT calculations

2021 ◽  
Author(s):  
Watinee Nunthakitgoson ◽  
Anawat Thivasasith ◽  
Thana Maihom ◽  
Chularat Wattanakit
Keyword(s):  
Dft Calculations ◽  
Active Sites ◽  
Direct Conversion ◽  
Mfi Zeolite ◽  
Zeolite Framework ◽  
Conversion Of Methane

In this context, we investigate the effect of the single and double active sites of Cu oxide clusters over the MFI zeolite framework for direct conversion of methane to methanol....

scholarly journals Hollow MFI Zeolite Supported Pt Catalysts for Highly Selective and Stable Hydrodeoxygenation of Guaiacol to Cycloalkanes

Nanomaterials ◽  
2019 ◽  
Vol 9 (3) ◽  
pp. 362 ◽  
Author(s):  
Xiaopo Niu ◽  
Fuxiang Feng ◽  
Gang Yuan ◽  
Xiangwen Zhang ◽  
Qingfa Wang
Keyword(s):  
Catalytic Activity ◽  
Active Sites ◽  
Acid Sites ◽  
Pt Catalyst ◽  
Pt Catalysts ◽  
Mfi Zeolite ◽  
Long Term Stability ◽  
Supported Pt Catalysts ◽  
Hierarchical Porous ◽  
Ft Ir

Hollow Silicalite-1 and ZSM-5 zeolites with hierarchical porous shells have been synthesized by using a dissolution-recrystallization method. The morphology, structure, and acidity of these zeolites supported Pt catalysts were characterized by XRD, FT-IR, MAS-SSNMR, FE-SEM, FE-TEM, N2-BET, XPS, NH3-TPD, and CO pulse chemisorption. Compared to the conventional ZSM-5 supported Pt catalyst, the special structure in hollow ZSM-5 zeolite significantly promotes the dispersion of metallic Pt and the synergistic effect between metal active sites and acid sites. These boost the catalytic activity, selectivity of guaiacol hydrodeoxygenation toward cycloalkanes and long-term stability over the Pt/hollow ZSM-5 catalyst combined with improved mass transfer of products and reactants derived from the hierarchical hollow porous structure. Moreover, the Pt/hollow ZSM-5 catalyst exhibits excellent low temperature catalytic activity to completely transform guaiacol into cycloalkanes with the cyclohexane selectivity of more than 93% at 220 °C, suggesting that hollow ZSM-5 zeolite is a promising support for upgrading of bio-oils.

Toluene ethylation with ethanol over Ga-MFI zeolite: a kinetic study

1992 ◽  
Vol 31 (4) ◽  
pp. 1012-1016 ◽  
Author(s):  
Parimal A. Parikh ◽  
N. Subrahmanyam ◽  
Yajnavalkya S. Bhat ◽  
Anand B. Halgeri
Keyword(s):  
Kinetic Study ◽  
Zeolite A ◽  
Mfi Zeolite

Assessment of the Low-Temperature Nonoxidative Activation of Methane over H-Galloaluminosilicate (MFI) Zeolite: A C-13 Labelling Investigation

2002 ◽  
Vol 205 (1) ◽  
pp. 217-220 ◽  
Author(s):  
Claude M. Naccache ◽  
Paul Mériaudeau ◽  
Gilbert Sapaly ◽  
Le Van Tiep ◽  
Younès Ben Taârit
Keyword(s):  
Low Temperature ◽  
Zeolite A ◽  
Mfi Zeolite
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