Research Article
Effect of Sulfation on Zirconia-Pillared Montmorillonite to the Catalytic Activity in Microwave-Assisted Citronellal Conversion
Table 3
Total acidity and B/L ratio of materials.
| | Sample | Total acidity
mmol of n-butylammine/gram | Brønsted/Lewis acid ratio (FTIR) |
| | MMT | 0.775 | 0.85 | | Zr/MMT-5 | 1.075 | 0.98 | | Zr/MMT-10 | 1.09 | 1.06 | | Zr/MMT-15 | 1.102 | 1.06 | | S-Zr/MMT-5 | 1.120 | 1.12 | | S-Zr/MMT-10 | 1.150 | 1.17 | | S-Zr/MMT-15 | 1.150 | 1.22 |
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