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NO814024L - PROCEDURE FOR DELIGNIFICATION / WHITING OF CELLULOSMASS - Google Patents

PROCEDURE FOR DELIGNIFICATION / WHITING OF CELLULOSMASS

Info

Publication number
NO814024L
NO814024L NO814024A NO814024A NO814024L NO 814024 L NO814024 L NO 814024L NO 814024 A NO814024 A NO 814024A NO 814024 A NO814024 A NO 814024A NO 814024 L NO814024 L NO 814024L
Authority
NO
Norway
Prior art keywords
cellulosmass
delignification
whiting
procedure
Prior art date
Application number
NO814024A
Other languages
Norwegian (no)
Other versions
NO157223C (en
NO157223B (en
Inventor
John Rickard Bergstroem
Original Assignee
Mo Och Domsjoe 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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of NO814024L publication Critical patent/NO814024L/en
Publication of NO157223B publication Critical patent/NO157223B/en
Publication of NO157223C publication Critical patent/NO157223C/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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
NO814024A 1980-11-27 1981-11-26 PROCEDURE FOR DELIGNIFICATION / WHITING OF CELLULOSMASS. NO157223C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8008336A SE442880B (en) 1980-11-27 1980-11-27 PROCEDURE FOR DELIGNIFICATION / WHITING OF CELLULOSAMASSA WITH CHLORIDE Dioxide / CHLORINE IN THE SAME STEP

Publications (3)

Publication Number Publication Date
NO814024L true NO814024L (en) 1982-05-28
NO157223B NO157223B (en) 1987-11-02
NO157223C NO157223C (en) 1988-02-10

Family

ID=20342344

Family Applications (1)

Application Number Title Priority Date Filing Date
NO814024A NO157223C (en) 1980-11-27 1981-11-26 PROCEDURE FOR DELIGNIFICATION / WHITING OF CELLULOSMASS.

Country Status (5)

Country Link
JP (1) JPS57121690A (en)
CA (1) CA1149111A (en)
FI (1) FI73019C (en)
NO (1) NO157223C (en)
SE (1) SE442880B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2033077C (en) * 1989-05-15 1996-08-27 Ronnie G. Hise Method for reducing chlorinated compounds produced during chlorination stage bleaching of pulp
US5268075A (en) * 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process

Also Published As

Publication number Publication date
NO157223C (en) 1988-02-10
JPS6262199B2 (en) 1987-12-25
SE442880B (en) 1986-02-03
SE8008336L (en) 1982-05-28
FI73019B (en) 1987-04-30
FI813732L (en) 1982-05-28
FI73019C (en) 1987-08-10
NO157223B (en) 1987-11-02
JPS57121690A (en) 1982-07-29
CA1149111A (en) 1983-07-05

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