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SSZ-13 Zeolite,Zeolite SSZ-13,SSZ-13 Molecular Sieve
SiO2/Al2O3 Mole Ratio: 22
Na2O Weight %: 0.05
Surface Area, m2/g:530
molecular sieve having chabazite (CHA) structure, which is composed AlO4 and SiO4 tetrahedra joined by oxygen atoms inclusive, orderly arranged to have eight yuan spheroidal cage ring structure (0.73 nm × 1.2 nm) and three-dimensional intersection pore structure (Figure 1), pore size of 0.38 nm × 0.38 nm, a specific surface area of up to 700 m2 / g. Since SSZ-13 has ordered pore structure, good hydrothermal stability, there is more surface acidic proton center and exchangeable cations and other characteristics, so the removal of NOx in the exhaust, methanol to olefins (MTO), CO2 adsorptive separation exhibits excellent performance
Recently SSZ-13 has attracted attention as the catalyst for selective catalytic reduction (SCR) of NOx. Actually copper-loading SSZ-13 is industrially applied to the emission control of diesel engines.
SSZ-13 shows superior performance in NOx abatement,methanol to olefin (MTO) and adsorption and separation of gas