Materials - Paper & Board

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The production of wood pulp

Mechanical Pulp

  • logs of the trees are saturated with water and de-barked]
  • wood is grounded down which softens the lignin
  • the pulp is screened to accept 1-2mm pieces
  • larger pieces are are re-circulated for additional screening

    Chemical Pulp 
  • after de-barking the hard and soft wood logs are cut into 2cm chips along…

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