Patent
Zeolite synthesis with dominant and secondary templates
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TLDR
In this paper, methods for synthesis of various types of zeolites using synthesis mixtures that contain a dominant structure directing agent and one or more secondary structure directing agents are provided.Abstract:
Methods are provided for synthesis of various types of zeolites using synthesis mixtures that contain a dominant structure directing agent and one or more secondary structure directing agents. Advantageously, the secondary structure directing agents may substantially not alter the crystal structure and/or morphology of the crystals generated by a synthesis mixture in the presence of the dominant structure directing agent.read more
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Characterization of Porous Solids and Powders: Surface Area, Pore Size and Density
TL;DR: In this paper, the authors proposed a multilayer-based approach for the measurement of the specific surface area in a planar surface using a mixture of multilayers of gas adsorption in a mesopore.
Journal ArticleDOI
Chemical and physical properties of the ZSM-5 substitutional series
TL;DR: In this article, a new silica-rich zeolite has been synthesized with greatly differing SiO2/Al2O3 ratios; the aluminum content, while always small, can be varied by several orders of magnitude.
Patent
Crystalline zeolite zsm{14 12
TL;DR: A crystalline zeolite designated ZSM -12 having the following composition expressed as mole ratios of oxides: 1.0 + OR - 0.4 M2/nO. W2O. 20-100 YO2. ZH2O where M is at least one cation and n is the valence thereof, W is aluminum or gallium, Y is silicon or germanium, and Z is a value ranging from 0 to 60.
Journal ArticleDOI
Catalysis by crystalline aluminosilicates: IV. Attainable catalytic cracking rate constants, and superactivity
TL;DR: In this article, a number of different crystal structures and ionic forms of aluminosilicate zeolite catalysts are characterized by rate constants for the cracking of n -hexane of from one to more than four orders of magnitude greater than the activity of conventional amorphous siliceous oxide cracking catalysts.
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