Product Details
ZSM-22 Formula |Ca6 (H2O)40| [Al12Si24O72]-CHA
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ZSM-22 channel can inhibit the production of carbon deposition and has a strong shape selectivity for small molecule reactions.
ZSM-22 has the topological skeleton of TON structure, which includes Five-membered rings, Six-membered rings and Ten-membered rings at the same time. The one-dimensional channel composed ofTen-membered rings is a parallel channel that is not cross-linked and the hole mouth is elliptic.
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Items
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Unit
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Specification
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Appearance
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mm
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White powder
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SiO2/Al2O3Â (molar ratio)
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%
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60-100
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BET Surface area
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m2/g
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≥180
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Relative crystallinity
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%
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≥95
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Due to ZSM-22 suitable pore structure and strong surface acidity, ZSM-22 can be used in catalytic cracking, hydrocracking, dewaxing, isomerization (such as paraffin isomerization and butylene skeleton isomerization), alkylation, dealkylation, hydrogenation, dehydrogenation, dehydration, cyclization and aromatization.
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