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STA-20, A NOVEL MOLECULAR SIEVE FRAMEWORK TYPE, METHODS OF PREPARATION AND USE
STA-20, A NOVEL MOLECULAR SIEVE FRAMEWORK TYPE, METHODS OF PREPARATION AND USE
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机译:STA-20,一种新型的分子筛框架,制备方法和使用方法
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摘要
STA-20, a molecular sieve having a new framework type, is described. STA-20AP (as prepared) can have an alkyl amine, such as trimethylamine, and 1,6-(1,4- diazabicyclo[2.2.2]octane) hexyl cations (from diDABCO-C6) as SDAs. A lower alkyl ammonium hydroxide, such as tetrabutylammonium hydroxide, can be used as a pH modifier for making SAPO STA-20. A calcined product, STA-20C, formed from as made STA-20 is also described. Methods of preparing STA-20, activating STA-20 by calcination, and metal containing calcined counterparts of STA-20 are described along with methods of using STA- 20 and metal containing calcined counterparts of STA-20 in a variety of processes, such as treating exhaust gases and converting methanol to olefins are described.
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