MCM 22
Delivery term:The date of payment from buyers deliver within days- Price:
Negotiable
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- Total supply:
- Delivery term:
The date of payment from buyers deliver within days
- seat:
Shandong
- Validity to:
Long-term effective
- Last update:
2024-03-31 22:38
- Browse the number:
204
- Shandong Synergy Tech Co., Ltd By certification [File Integrity]
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Contact:
sdrunfan(Mr.)
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Area:
Shandong
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Address:
Qingdao City, Shandong Province, China
- Website: http://www.al2o3support.com/ http://sdrunfan.tianmilanbaoshiputaomiao.com/
Product details
MCM 22 chemical formula |H2.4Na3.1| [AlO.4B5.1Si66.5O144]
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Description
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MCM-22 is a novel microporous molecular sieve with MWW structure. It has two independent pore systems, one of which contains a large twelve membered ring cage inside. These cages are stacked on top of the other by overlapping six membered rings, running through an approximately elliptical ten membered ring window; Another pore system is a two-dimensional sinusoidal waveform pore with an effective aperture of ten membered rings, surrounded by overlapping six membered rings connected to the supercage. The upper and lower surfaces of the layered structure of the molecular sieve are covered with high-density pore structures, with a twelve membered ring opening and a depth of approximately 0.7 nm.
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Specification
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Type | Indicator | |
Appearance | White powder | |
Relative crystallinity % ≥ | ~95 | |
X-ray diffraction crystal phase analysis | Completely conforms to the standard XRD pattern of MCM-22, without impurities. | |
SiOÂ2/Al2O3, mol/mol | 20-30 | |
NaÂ2O wt % ≤ | H+ 0.05 | Na+ |
Crystallite size | Diameter 100-500 * Thickness 20-100 | |
Dry Basewt % ≥ | 90 | |
Sieve Residue wt % ≤ | 1 | |
Particle Size Distribution ≥ | 100cm |
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Applications
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MCM-22 has extensive applications in many catalytic fields, such as alkylation, environmental protection, gasoline upgrading, catalytic cracking, isomerization and disproportionation of aromatic compounds, isomerization of olefins, hydration, polymerization, etc. At present, it is mainly used in the production of alkyl aromatic compounds, environmental protection, and gasoline upgrading.
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