SE7506647L - Forfarande for forsterkning av mekanisk massa genom kemisk behandling - Google Patents

Forfarande for forsterkning av mekanisk massa genom kemisk behandling

Info

Publication number
SE7506647L
SE7506647L SE7506647A SE7506647A SE7506647L SE 7506647 L SE7506647 L SE 7506647L SE 7506647 A SE7506647 A SE 7506647A SE 7506647 A SE7506647 A SE 7506647A SE 7506647 L SE7506647 L SE 7506647L
Authority
SE
Sweden
Prior art keywords
pulp
procedure
chemical treatment
chlorine
peroxide
Prior art date
Application number
SE7506647A
Other languages
English (en)
Swedish (sv)
Inventor
T J M Mcdonough
Original Assignee
Canadian Ind
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
Priority claimed from GB2584674A external-priority patent/GB1505076A/en
Application filed by Canadian Ind filed Critical Canadian Ind
Publication of SE7506647L publication Critical patent/SE7506647L/xx

Links

Classifications

    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Secondary Cells (AREA)
  • Materials For Medical Uses (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Reinforced Plastic Materials (AREA)
SE7506647A 1974-06-11 1975-06-10 Forfarande for forsterkning av mekanisk massa genom kemisk behandling SE7506647L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2584674A GB1505076A (en) 1974-06-11 1974-06-11 Strenghening of mechanical pulp by chemical treatment

Publications (1)

Publication Number Publication Date
SE7506647L true SE7506647L (sv) 1975-12-12

Family

ID=10234295

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7506647A SE7506647L (sv) 1974-06-11 1975-06-10 Forfarande for forsterkning av mekanisk massa genom kemisk behandling

Country Status (7)

Country Link
JP (1) JPS517201A (en, 2012)
BR (1) BR7503681A (en, 2012)
CA (1) CA1056558A (en, 2012)
ES (1) ES438434A1 (en, 2012)
FI (1) FI66031B (en, 2012)
NO (1) NO145141C (en, 2012)
SE (1) SE7506647L (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127982A (en) * 1976-04-17 1977-10-27 Eidai Co Ltd Process for manufacturing special particleboard
SE9000340L (sv) * 1990-01-31 1991-08-01 Eka Nobel Ab Foerfarande vid blekning av lignocellulosahaltigt material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4887101A (en, 2012) * 1972-02-22 1973-11-16

Also Published As

Publication number Publication date
JPS517201A (en, 2012) 1976-01-21
ES438434A1 (es) 1977-02-01
FI66031B (fi) 1984-04-30
NO145141C (no) 1982-01-20
CA1056558A (en) 1979-06-19
NO145141B (no) 1981-10-12
NO752026L (en, 2012) 1975-12-12
FI751733A7 (en, 2012) 1975-12-12
BR7503681A (pt) 1976-06-29

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