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Comparison of gasoline fraction fuel properties achieved with various SiO2/Al2O3 ratios using three HZSM-5 types (Artetxe et al., 2013b).
| SiO2/Al2O3 | Aromatics (vol%) | Olefins (vol%) | Benzene (vol%) | Octane number |
|---|---|---|---|---|
| 280 | 6.9 | 68.9 | 0.46 | 85.9 |
| 80 | 13.5 | 62.2 | 1.3 | 86.7 |
| 30 | 43.3 | 33.1 | 4.2 | 94.1 |
| Required | <35 | <18 | <1 | 95 |
