Size grade | Yield in initial sample, % | Yield after FTC, % | Yield after WDC, % | |||
dry T +20 | dry T +40 | dry T +60 | dry T +80 | |||
−100+50 | 40 | 29.87 | 28.18 | 27.62 | 28.78 | 22.99 |
−50+25 | 30 | 28.78 | 20.58 | 24.80 | 20.47 | 15.70 |
−25+13 | 30 | 28.82 | 28.54 | 27.26 | 27.01 | 23.82 |
−13+6 | 0 | 7.87 | 13.61 | 11.70 | 12.31 | 19.52 |
−6+0 (dust) | 0 | 4. 7 | 9.09 | 8.61 | 11.44 | 17.97 |