Table 2 pH drop of Na2SO4 solution and element analysis of the intermediate product
From: Recycling of aluminum dross for producing calcinated alumina by microwave plasma
Element | Content (ppm) | The element of SAD weight ratio (%) |
|---|---|---|
Al | 327,350 | 40.9 |
Si | 560 | 5.8 |
Fe | 287.5 | 0.3 |
Mg | 83 | 0.1 |
Ca | 665 | 4.1 |
Cu | 19.4 | 0.2 |
Na | 505 | 1.3 |
Ni | 5.5 | 0.1 |
Cr | 4515 | 15.4 |
Pb | 5.5 | 1.1 |
Cd | N.D. | 0 |
Hg | N.D. | 0 |
Ba | 4 | 0.6 |
As | 449 | 6.7 |
Se | 7 | 30.9 |