ZA742289B - Method and apparatus for gaseous delignification of lignocellulosic material - Google Patents

Method and apparatus for gaseous delignification of lignocellulosic material

Info

Publication number
ZA742289B
ZA742289B ZA00742289A ZA742289A ZA742289B ZA 742289 B ZA742289 B ZA 742289B ZA 00742289 A ZA00742289 A ZA 00742289A ZA 742289 A ZA742289 A ZA 742289A ZA 742289 B ZA742289 B ZA 742289B
Authority
ZA
South Africa
Prior art keywords
delignification
gaseous
lignocellulosic material
lignocellulosic
gaseous delignification
Prior art date
Application number
ZA00742289A
Other languages
English (en)
Inventor
G Norberg
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 ZA742289B publication Critical patent/ZA742289B/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
    • D21C7/00—Digesters
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping 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
    • 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
    • D21C9/1031—Pulse, dynamic, displacement processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
ZA00742289A 1973-04-27 1974-04-09 Method and apparatus for gaseous delignification of lignocellulosic material ZA742289B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7306038A SE387671B (sv) 1973-04-27 1973-04-27 Anordning for blekning av kompakt, icke fluffat vetskehaltigt lignocellulosamaterial med gasformiga blekmedel, foretredesvis syrgas

Publications (1)

Publication Number Publication Date
ZA742289B true ZA742289B (en) 1975-03-26

Family

ID=20317328

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00742289A ZA742289B (en) 1973-04-27 1974-04-09 Method and apparatus for gaseous delignification of lignocellulosic material

Country Status (6)

Country Link
JP (1) JPS5322561B2 (de)
AT (1) AT334194B (de)
BR (1) BR7403443D0 (de)
FR (1) FR2227388A1 (de)
SE (1) SE387671B (de)
ZA (1) ZA742289B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930980A (ja) * 1982-08-12 1984-02-18 王子製紙株式会社 リグノセルロ−ス物質の漂白方法
JPH067330B2 (ja) * 1984-02-21 1994-01-26 松下電器産業株式会社 エクスプレツシヨンのフツトスイツチ装置
CA1276408C (en) * 1985-06-14 1990-11-20 Gordon Rowlandson Pressurised pulp chlorination and chlorine introduction in minute bubbles
AU595842B2 (en) * 1985-11-15 1990-04-12 Canadian Liquid Air Ltd. Pulp bleaching
US5460696A (en) * 1993-08-12 1995-10-24 The Boc Group, Inc. Oxygen delignification method incorporating wood pulp mixing apparatus
RU2103433C1 (ru) * 1995-01-16 1998-01-27 Грудинин Владимир Павлович Способ обработки волокнистой массы химическим реагентом и установка для его осуществления
CN105256635B (zh) * 2015-10-31 2017-06-16 重庆市南川区金鑫纸业有限公司 用于纸浆的漂白设备

Also Published As

Publication number Publication date
AT334194B (de) 1976-01-10
ATA347674A (de) 1976-04-15
BR7403443D0 (pt) 1974-11-19
FR2227388B1 (de) 1977-10-21
JPS5322561B2 (de) 1978-07-10
SE387671B (sv) 1976-09-13
JPS5012301A (de) 1975-02-07
FR2227388A1 (en) 1974-11-22

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