Invention Application
US20100028679A1 Crystalline Intergrowth Material, Its Synthesis And Its Use In The Conversion Of Oxygenates To Olefins 有权
结晶共生材料,其合成及其在烯烃转化中的应用

Crystalline Intergrowth Material, Its Synthesis And Its Use In The Conversion Of Oxygenates To Olefins
Abstract:
A silicoaluminophosphate molecular sieve is disclosed that comprises first and second intergrown phases of a CHA framework type and an AEI framework type, wherein said first intergrown phase has an AEI/CHA ratio of from about 5/95 to about 40/60 as determined by DIFFaX analysis, the second intergrown phase has an AEI/CHA ratio of about 30/70 to about as determined by DIFFaX analysis and said molecular sieve has a silica to alumina molar ratio (Si/Al2) from about 0.13 to about 0.24.
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