Research Article
Evolution of Lignocellulosic Macrocomponents in the Wastewater Streams of a Sulfite Pulp Mill: A Preliminary Biorefining Approach
Table 3
Total weight content of industrial samples.
| | Total mass closure | E. globulus (% w/w) | SSL (% w/w) | P1 (% w/w) | P2 (% w/w) | P3 (% w/w) | P4 (% w/w) |
| | Cellulose-HPLC | 42.25 | 5.67 | 89 | 87.3 | 89.9 | 91.3 | | Cellulose | 46.00 | — | 91.34 | 91.16 | 92.36 | 92.28 | | Hemicellulose-HPLC | 24.92 | 30.42 | 6.2 | 5.1 | 2.2 | 2.1 | | Hemicellulose | 31.55 | — | — | — | — | — | | Lignin | 26.98 | 42.99 | 0.80 | 0.40 | 0.40 | 0.10 | | Ash | 0.35 | 12.1 | 0.28 | 0.26 | 0.24 | 0.18 | | Extractives | 1.5 | — | 0.30 | 0.20 | 0.20 | 0.20 | | TOTAL | 96 | 91.18 | 96.58 | 93.26 | 92.94 | 93.88 |
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Lignin in SSL is represented by the lignosulfonate content, formed by lignin sulfonation.
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