Materials - Paper & Board
- Created by: Emma Delaney
- Created on: 13-05-13 15:35
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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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