Recycling Technology and PulpsLaajuus (3 cr)

Objectives

The student knows
- the raw-materials, production and usage of recycled pulp
- the cost structures and environmental effects of recycled pulp
- control the processes and the quality.

Content

Raw materials: Availability and use of recycled paper in Finland and abroad, recycled paper and cardboard. Production of recycled fibre pulp: de-inking. De-inking process: handling recycled paper, dispersion, cleaning, de-inking, de-inking chemicals, washing, bleaching, clarification. Environmental effects: de-inking waste and slurry, life cycle analysis. Characteristics and use of recycled fibre pulp.