From: Pulp and paper mill wastes: utilizations and prospects for high value-added biomaterials
Type of waste | Yield (kg/t of dry pulp) |
---|---|
Sawdust | 10–30 |
Bark | 100–300 |
Pins and fine | 50–100 |
Woody fragments/wood yard/ | 0–20 |
Knot | 25–70 |
Recovery boiler salts | 5–10 |
Dregs | 10–30 |
Grits | 15–40 |