SE7910281L - Sett att minska utsleppet i miljofarliga emnen vid tillverkning av blekt, mekanisk massa - Google Patents

Sett att minska utsleppet i miljofarliga emnen vid tillverkning av blekt, mekanisk massa

Info

Publication number
SE7910281L
SE7910281L SE7910281A SE7910281A SE7910281L SE 7910281 L SE7910281 L SE 7910281L SE 7910281 A SE7910281 A SE 7910281A SE 7910281 A SE7910281 A SE 7910281A SE 7910281 L SE7910281 L SE 7910281L
Authority
SE
Sweden
Prior art keywords
pulp
concentrate
bleaching
molecular substances
ink
Prior art date
Application number
SE7910281A
Other languages
English (en)
Other versions
SE439940B (sv
Inventor
J E Hook
H T Lundahl
S G Akerlund
Original Assignee
Eka Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eka Ab filed Critical Eka Ab
Priority to SE7910281A priority Critical patent/SE439940B/sv
Publication of SE7910281L publication Critical patent/SE7910281L/sv
Publication of SE439940B publication Critical patent/SE439940B/sv

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
SE7910281A 1979-12-13 1979-12-13 Sett vid tillverkning av alkalisk peroxidblekt termokemisk massa eller slipmassa SE439940B (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7910281A SE439940B (sv) 1979-12-13 1979-12-13 Sett vid tillverkning av alkalisk peroxidblekt termokemisk massa eller slipmassa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7910281A SE439940B (sv) 1979-12-13 1979-12-13 Sett vid tillverkning av alkalisk peroxidblekt termokemisk massa eller slipmassa

Publications (2)

Publication Number Publication Date
SE7910281L true SE7910281L (sv) 1981-06-14
SE439940B SE439940B (sv) 1985-07-08

Family

ID=20339549

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7910281A SE439940B (sv) 1979-12-13 1979-12-13 Sett vid tillverkning av alkalisk peroxidblekt termokemisk massa eller slipmassa

Country Status (1)

Country Link
SE (1) SE439940B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20022068A (sv) * 2002-11-20 2004-05-21 Metso Paper Inc Förfarande och anordning vid framställning av mekanisk massa

Also Published As

Publication number Publication date
SE439940B (sv) 1985-07-08

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