Standard design

  • Slurry feed to fleece forming device without pressure
  • First press part: Low pressure sieves
  • Second press part: High pressure superimposed, grooved steel rolls
  • Cutting of wet borders after first press part, no wet or thin fibre fleece
  • Second lye addition for double steeping technology
  • Speed control by frequency converters
  • Sectional lye collection to separate lye with high hemicellulose content


  • Alkali cellulose (AC) obtained with uniform composition
  • AC fleece thickness adjustment during operation by feed and speed control
  • Universal with respect to pulp type processed
  • Reduction of CS2 and NaOH input due to double steeping process in one single machine