Contrast | Ni Recovery— p value (Pr > F) | Cu Recovery— p value (Pr > F) |
process water versus 50% process water/50% thickener overflow | 0.0437 | 0.0097 |
process water versus thickener overflow | 0.0018 | 0.0010 |
50% process water/50% thickener overflow versus thickener overflow | 0.0109 | 0.0172 |