Table 5.

Potential pollutants from pulp and paper mill waste

S. N	Main input	Process step	Pollutants
1	Raw material/wood	Wood preparation	Solid wastes and wastewater
2	Chemicals/energy	Pulp manufacture	Air emissions and used water
3	Process water	Pulp washing/screening	Dissolved material, residual chemicals, and wastewater
4	Chemicals/energy	Pulp bleaching	Air emissions, dissolved material, residual chemicals, and wastewater
5	Energy	Pulp drying	Air emissions
6	Energy/water/chemicals	Paper manufacture	Solid wastes, dissolved material, residual chemicals, and wastewater