Table 1 Results of wood pulping and pulp properties of selected pulpwood and bio-energy clones
Parameters | Units | Melia dubia | Dalbergia sissoo | Eucalyptus urograndis | Eucalyptus tereticornis | Eucalyptus camaldulensis | Reference |
|---|---|---|---|---|---|---|---|
Bulk density | kg/m3 | 136 | 230 | 184 | 213 | 220 | 225 |
Basic density | kg/m3 | 318 | 547 | 402 | 502 | 520 | 510 |
Chemical addition | % | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 |
Screen rejects | % | 0.8 | 0.7 | 0.2 | 0.2 | 0.8 | 0.8 |
Screened pulp yield | % | 46.5 | 47.0 | 46.6 | 47.3 | 47.5 | 44.2 |
Kappa Number | Â | 21.6 | 18.5 | 20.4 | 19.1 | 19.7 | 25.3 |
Brightness | % ISO | 27.8 | 30.7 | 29.1 | 34.9 | 30.5 | 24.2 |
Unbleached Strength properties at 300ml CSF | Â | Â | Â | Â | Â | Â | Â |
Tensile index | Nm/g | 94.2 | 79.0 | 98.0 | 92.0 | 95.0 | 74.0 |
Tear index | mN.m2/g | 11.9 | 9.3 | 8.7 | 10.3 | 9.5 | 8.2 |
Burst index | kPa.m2/g | 6.4 | 5.6 | 6.9 | 6.5 | 5.6 | 5.1 |