Table 2.
Texture characteristics, the crush strength values, and modifications to the content of additives in the alumina samples before and after pressure tests.
| Сharacteristics | А-1 | А-2 | А-3-Na | А-4-K | А-1-9C | А-2-9C | А-3-Na-9C | А-4-K-9C |
|---|---|---|---|---|---|---|---|---|
| SBET ± Δ, m2/g | 279 ± 27 | 308 ± 30 | 312 ± 31 | 288 ± 28 | 265 ± 26 | 201 ± 20 | 230 ± 23 | 233 ± 23 |
| The crush strength, MPa | 25 | 25 | 13 | 17 | 23 | 24 | 14 | 13 |
| Content of modifying additives, % mass. | 0.98 Na; 0.04 К |
0.12 Na; 0.02 К |
2.10 Na; 0.03 К |
0.11 Na; 2.20 K |
0.97 Na; 0.04 К |
0.11 Na; 0.01 К |
2.00 Na; 0.02 К |
0.13 Na; 2.10 K |