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 6
Acid properties of catalysts NH3-TPD analysis.
| Catalysts | Acidity (mmol NH3/g-catalyst) | Weak acid | Middle and strong acid | Total acid |
| SAPO-34 | 0.625 | 0.702 | 1.327 | 2%Ce-SAPO-34 | 0.677 | 0.942 | 1.619 | 2%Zr-SAPO-34 | 0.358 | 0.843 | 1.201 | 2%Ce-2%Zr-SAPO-34 | 0.725 | 0.973 | 1.698 |
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