Paper technology : wood pulp - bleaching 1

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Paper technology : wood pulp - bleaching 1

  1. 1. Paper technology Wood pulp / Bleaching (1) Technical Support Sappi Fine Paper Europe1 | [Presentation title] | [Client Name] | [Date]
  2. 2. Paper technology From wood to coated paper2 | [Presentation title] | [Client Name] | [Date]
  3. 3. Paper technology Fibrous substances / wood pulp PAPER Process materials Water3 | [Presentation title] | [Client Name] | [Date]
  4. 4. Thinnings Lumbering of a released stem Thinnings Dispatch to the paper mill Diseased wood for paper production4 | [Presentation title] | [Client Name] | [Date]
  5. 5. Wood trunk Annual rings Pith Cambium Medullary ray Heart wood Splint wood Spring wood Rind or bark one annual ring Autumn wood Bast5 | [Presentation title] | [Client Name] | [Date]
  6. 6. Wood types Types of wood for the paper production Deciduous wood (approx. 20%) Coniferous wood (approx. 80%) Beech Spruce Birch Fir Poplar Pine Eucalyptus6 | [Presentation title] | [Client Name] | [Date]
  7. 7. Wood types Beech Birch Poplar Eucalyptus Spruce Fir Pine7 | [Presentation title] | [Client Name] | [Date]
  8. 8. Beech trunks8 | [Presentation title] | [Client Name] | [Date]
  9. 9. Slabs9 | [Presentation title] | [Client Name] | [Date]
  10. 10. Chips10 | [Presentation title] | [Client Name] | [Date]
  11. 11. Pulping Pulping process Chemi- Mechanical Thermo-mechanical Chemical thermo-mechanical MP TMP CTMP Sulphate process Sulphite process Mechanical pulp Thermo-mechanical- Chemi-thermo- (alkali) (acid) (mechanical pulp) pulp mechanlcal-pulp yield 90-96% yield 90-96% yield 85-90% yield 43-52% yield 43-52%11 | [Presentation title] | [Client Name] | [Date]
  12. 12. Wood preparation Chopped Wood place Chips Round wood feeding system Chipper Unbarking Metal detector Round wood washing12 | [Presentation title] | [Client Name] | [Date]
  13. 13. Unbarking drum13 | [Presentation title] | [Client Name] | [Date]
  14. 14. Chopped chipper apparatus14 | [Presentation title] | [Client Name] | [Date]
  15. 15. Chips15 | [Presentation title] | [Client Name] | [Date]

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