SAPO Zeolite

1. CHA framework topology, CHA cages and eight-membered ring pores, with pore size of approximately 3.8 Å;2. Excellent form-selectivity, particularly beneficial for C₂–C₄ olefins, high methanol

1. AEI framework topology, pore size is approximately 0.38 nm~0.44 nm, three-dimensional microporous system;2. Small aperture and good shape selectivity, adjustable acidity, good thermal stability

1. AEL framework topology, pore size is approximately 0.39 nm × 0.63 nm;2. Relatively mild acidity, high isomerization selectivity, good resistance to side reactions, and certain diffusion

1. AFI framework topology, pore size is approximately 0.73 nm × 0.73 nm;2. Brønsted acid centers, moderate acidity, shape-selective adsorption capacity, and acid catalytic properties;3. Typically