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Introduction
MCM-49 zeolite catalyst is a three-dimensional microporous aluminosilicate molecular sieve with an MWW topology, which forms this framework directly upon synthesis. As an acid catalyst or catalyst component, MCM-49 has high value in solid acid catalysis fields such as alkylation and isomerization.
The unique MWW three-dimensional framework structure of MCM-49 zeolite endows it with distinctive shape-selective catalytic properties. And the aluminum atoms in the framework can generate Brønsted acid sites, resulting in strong solid-state acidity. Furthermore, the surface semi-hypercage structure of MCM-49 molecular sieve provides numerous accessible external surface active sites, which is particularly advantageous for liquid-phase reactions involving larger molecules.
The main applications of MCM-49 zeolite catalyst can be summarized as alkylation and other acid-catalyzed reactions. For example, Liquid-phase alkylation of benzene and ethylene is its most representative application. In addition, MCM-49 molecular sieve also has important applications in benzene-propylene alkylation, aromatic alkylation, olefin isomerization, catalytic cracking, and etc.
Technical Specification
|
Type |
MCM-49 |
|
Apprearance |
White powder |
|
Crystal Structure |
MWW |
|
BET Surface Area(m2/g) |
≥350 |
|
SiO2/Al2O3(mol/mol) |
Customizable |
|
Particle Size(μm) |
0.5~3.0 |
|
Crystallinity(%) |
≥85 |
|
Na2O(wt%) |
<0.1 |
|
Loss on Ignition(wt%) |
<5 |
Application
- Liquid-phase Alkylation Of Benzene And Ethylene
- Alkylation Of Benzene And Propylene
- Aromatic Hydrocarbons Alkylation
-
Olefin Isomerization And Conversion
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