NO156906B - Fremgangsmaate ved delignifisering/bleking av cellulosemasse. - Google Patents

Fremgangsmaate ved delignifisering/bleking av cellulosemasse.

Info

Publication number
NO156906B
NO156906B NO814025A NO814025A NO156906B NO 156906 B NO156906 B NO 156906B NO 814025 A NO814025 A NO 814025A NO 814025 A NO814025 A NO 814025A NO 156906 B NO156906 B NO 156906B
Authority
NO
Norway
Prior art keywords
cellulosmass
delignification
whiting
procedure
Prior art date
Application number
NO814025A
Other languages
English (en)
Other versions
NO156906C (no
NO814025L (no
Inventor
Jonas Arne Ingvar Lindahl
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 NO814025L publication Critical patent/NO814025L/no
Publication of NO156906B publication Critical patent/NO156906B/no
Publication of NO156906C publication Critical patent/NO156906C/no

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
    • D21C9/1026—Other features in bleaching processes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/08—Chlorine-containing liquid regeneration

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO814025A 1980-11-27 1981-11-26 Fremgangsmaate ved delignifisering/bleking av cellulosemasse. NO156906C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8008337A SE442881B (sv) 1980-11-27 1980-11-27 Forfarande for delignifiering/blekning av cellulosamassa med klordioxid

Publications (3)

Publication Number Publication Date
NO814025L NO814025L (no) 1982-05-28
NO156906B true NO156906B (no) 1987-09-07
NO156906C NO156906C (no) 1987-12-16

Family

ID=20342345

Family Applications (1)

Application Number Title Priority Date Filing Date
NO814025A NO156906C (no) 1980-11-27 1981-11-26 Fremgangsmaate ved delignifisering/bleking av cellulosemasse.

Country Status (6)

Country Link
US (1) US4537656A (no)
JP (1) JPS57121691A (no)
CA (1) CA1147909A (no)
FI (1) FI73020C (no)
NO (1) NO156906C (no)
SE (1) SE442881B (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662993A (en) * 1983-08-15 1987-05-05 Westvaco Corporation Bleach system for dissolving chlorine gas into a bleach filtrate
JPH01151991A (ja) * 1987-12-07 1989-06-14 Oji Paper Co Ltd 悪臭ドレーンの脱臭方法
JP2528727Y2 (ja) * 1990-12-18 1997-03-12 未来工業株式会社 管、ケーブル等の支持装置
JP2812056B2 (ja) * 1992-03-30 1998-10-15 王子製紙株式会社 リグノセルロース物質の漂白方法
US6315863B1 (en) * 1998-06-18 2001-11-13 Weyerhaeuser Company Chlorine dioxide pulp bleaching process having reduced barium scaling by recycling post-chlorination waste filtrate
US20070133346A1 (en) * 2005-12-14 2007-06-14 Tommy Jacobson Mixing of chemicals into a thin stock pipe
EP2061927A2 (en) * 2006-05-19 2009-05-27 The Research Foundation of the State University of New York Methods for carbonate pretreatment and pulping of cellulosic material
WO2009117402A2 (en) * 2008-03-18 2009-09-24 The Research Foundation Of State University Of New York Methods of pretreating comminuted cellulosic material with carbonate-containing solutions

Also Published As

Publication number Publication date
JPS6262200B2 (no) 1987-12-25
SE8008337L (sv) 1982-05-28
JPS57121691A (en) 1982-07-29
FI73020C (fi) 1987-08-10
NO156906C (no) 1987-12-16
SE442881B (sv) 1986-02-03
FI73020B (fi) 1987-04-30
US4537656A (en) 1985-08-27
CA1147909A (en) 1983-06-14
FI813733L (fi) 1982-05-28
NO814025L (no) 1982-05-28

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