SE7506646L - PROCEDURE FOR BLACHING THE MASS - Google Patents

PROCEDURE FOR BLACHING THE MASS

Info

Publication number
SE7506646L
SE7506646L SE7506646A SE7506646A SE7506646L SE 7506646 L SE7506646 L SE 7506646L SE 7506646 A SE7506646 A SE 7506646A SE 7506646 A SE7506646 A SE 7506646A SE 7506646 L SE7506646 L SE 7506646L
Authority
SE
Sweden
Prior art keywords
blaching
procedure
mass
Prior art date
Application number
SE7506646A
Other languages
Swedish (sv)
Inventor
A E Yethon
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
Application filed by Canadian Ind filed Critical Canadian Ind
Publication of SE7506646L publication Critical patent/SE7506646L/en

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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
SE7506646A 1974-06-11 1975-06-10 PROCEDURE FOR BLACHING THE MASS SE7506646L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25845/74A GB1505070A (en) 1974-06-11 1974-06-11 Process for bleaching of lignocellulosic material

Publications (1)

Publication Number Publication Date
SE7506646L true SE7506646L (en) 1975-12-12

Family

ID=10234280

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7506646A SE7506646L (en) 1974-06-11 1975-06-10 PROCEDURE FOR BLACHING THE MASS

Country Status (10)

Country Link
JP (1) JPS522003B2 (en)
BR (1) BR7503680A (en)
CA (1) CA1045759A (en)
DE (1) DE2526084C2 (en)
ES (1) ES438433A1 (en)
FI (1) FI751734A (en)
FR (1) FR2274729A1 (en)
GB (1) GB1505070A (en)
NO (1) NO147761C (en)
SE (1) SE7506646L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1070909A (en) * 1976-05-04 1980-02-05 Canadian Industries Limited Nitrogen dioxide-oxygen delignification
SE421938B (en) * 1980-06-05 1982-02-08 Mo Och Domsjoe Ab PROCEDURE FOR TREATMENT OF CELLULOSAMASSA
SE425674B (en) * 1981-03-23 1982-10-25 Mo Och Domsjoe Ab PROCEDURE FOR DELIGNIFICATION OF CELLULOSAMASSA WITH NITROGEN Dioxide AND Oxygen
DE3118384C1 (en) * 1981-05-09 1982-11-11 Mannesmann AG, 4000 Düsseldorf Process for bleaching chemically produced pulp with ozone
SE448006B (en) * 1981-09-21 1987-01-12 Mo Och Domsjoe Ab PROCEDURE FOR WHITING CELLULOSAMASSA INCLUDING AN ACTIVATION STEP WITH NITROGEN OXIDES
SE450393B (en) * 1981-10-27 1987-06-22 Mo Och Domsjoe Ab PROCEDURE FOR TREATMENT OF WOOD WITH NITROGEN OXIDES AND OBJECTIVE SULFATE COOKING

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE212838C (en) *
DE204460C (en) *
DE391713C (en) * 1922-12-12 1924-03-11 Paul Krais Dr Method for breaking up straw, reeds and the like like

Also Published As

Publication number Publication date
BR7503680A (en) 1976-06-29
GB1505070A (en) 1978-03-22
NO752025L (en) 1975-12-12
DE2526084A1 (en) 1976-01-02
JPS522003B2 (en) 1977-01-19
NO147761B (en) 1983-02-28
FR2274729B1 (en) 1978-09-22
NO147761C (en) 1983-06-08
FR2274729A1 (en) 1976-01-09
JPS5132802A (en) 1976-03-19
DE2526084C2 (en) 1981-11-26
ES438433A1 (en) 1977-05-16
FI751734A (en) 1975-12-12
CA1045759A (en) 1979-01-09
AU8201275A (en) 1976-12-16

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