Active alumina
Active alumina is used for vapor-phase dehydration of methyl phenyl carbinol to obtain styrene.
Technical characteristics:
| Aluminium oxide content, %, not less than | 97.0 |
| Iron content, %, not more than | 0.020 |
| Sodium content, %, not more than | 0.010 |
| Bulk density, g/l | 450—650 |
| Specific surface area, m2/g | 180—220 |
| Granule size, mm: | |
| Diameter | 4.0—6.0 |
| Length | 5.0—18.0 |
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