Research Article
Investigation of Effective Parameters Ce and Zr in the Synthesis of H-ZSM-5 and SAPO-34 on the Production of Light Olefins from Naphtha
Table 5
HZSM-5/SAPO-34 catalyst structural information prepared based on BET analysis.
| Catalyst | BET surface area (m2/g) | Total pore volume (cm3/g) | Vmicro (cm3/g) | Vmeso (cm3/g) |
| SAPO-34 | 573 | 0.280 | 0.246 | 0.034 | 2%Ce/SAPO-34 | 407 | 0.204 | 0.180 | 0.024 | 8%Ce/SAPO-34 | 390 | 0.194 | 0.175 | 0.019 | 2%Zr/SAPO-34 | 392 | 0.185 | 0.164 | 0.021 | 5%Zr/SAPO-34 | 385 | 0.179 | 0.162 | 0.017 | 2%Ce-2%Zr/SAPO-34 | 417 | 0.237 | 0.206 | 0.031 | HZSM-5 | 442.72 | 0.258 | 0.132 | 0.126 | 2%Ce/HZSM-5 | 366.65 | 0.220 | 0.069 | 0.151 | 8%Ce/HZSM-5 | 361.21 | 0.210 | 0.085 | 0.125 | 2%Zr/HZSM-5 | 375.42 | 0.230 | 0.089 | 0.141 | 8%Zr/HZSM-5 | 370.31 | 0.210 | 0.098 | 0.112 | 2%Ce-2%Zr/HZSM-5 | 386.41 | 0.237 | 0.062 | 0.175 | 2%Ce-8%Zr/HZSM-5 | 368.64 | 0.223 | 0.084 | 0.139 | 8%Ce-2%Zr/HZSM-5 | 351.89 | 0.195 | 0.092 | 0.103 | 8%Ce-8%Zr/HZSM-5 | 360.35 | 0.210 | 0.096 | 0.116 |
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