Wang Xiao-Zhou
Abstract
Silicoalum inophosphate molecular sieves(SAPO) are microporous crystals with the structure of SiO2?AlO2-?PO2+ tetrahedral units. SAPO has electronegative framework and exchangeable cation and Lewis acidity. SAPO is a novel class of catalytic materials with excellent shape-selectivity,thermal stability and hydrothermal stability.
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Silicoalum inophosphate molecular sieves(SAPO) are microporous crystals with the structure of SiO2?AlO2-?PO2+ tetrahedral units. SAPO has electronegative framework and exchangeable cation and Lewis acidity. SAPO is a novel class of catalytic materials with excellent shape-selectivity,thermal stability and hydrothermal stability.
Key concepts: Molecular sieve, Microporous material, Thermal stability, Selectivity, Catalysis, Hydrothermal circulation, Chemistry, Chemical engineering