Extraction of fibres and molecules


  • Autoclaves from different sizes (20 ml to 3.5 l)
  • Liquor recirculation digester (2x 6.5 l)
  • Two screening systems to eliminate knots or shives before bleaching


cooking cooking 2


  • Two batches digesters of 1.3 m³ (200 kg wood chips capacity) up to 190°C
    => Possibility to preheat liquors, to recover black liquor and to reuse it for new pulping
  • Calorific exchanger for liquor heating and cooling
  • Draining chest
  • Screening system (slot 0.16 mm/ hole 2-3 mm)

extraction pilot2

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