1. KUITU-JA PARTIKKELITEKNIIKKA, ARI ÄMMÄLÄ Fibre and Particle Engineering Laboratory http://www.oulu.fi/pyokui/

2. KUITU-JA PARTIKKELITEKNIIKKA, ARI ÄMMÄLÄ Education Process technology –Mechanical unit processes; crushing, comminution, separation, classification, concentration –Fluid and bulk solids handling Pulp and paper technology –Unit processes in mechanical and chemical pulping, recycled fibre processes –Paper manufacture

3. KUITU-JA PARTIKKELITEKNIIKKA, ARI ÄMMÄLÄ Research areas/projects Fibre and particle fractionation DIP process optimization TMP refining mechanisms (EcoTarget) Tall oil impregnants as anti-rot compound in wood products Processing of fibres in gaseous medium Novel products/materials for fibre-based packaging (SustainPack) Anti-addhesive drying rolls in paper machines Behaviour/separation of papermaking components (e.g. gas bubbles, fillers, fibers, impurities) in fibre networks

4. KUITU-JA PARTIKKELITEKNIIKKA, ARI ÄMMÄLÄ General goals in research projects More efficient use of raw materials Simplified processes with low investments Less energy-intensive processes Minimum environmental impact of processes/products New (green) products and applications