BR7403443D0 - Processo para delignificacao de materiais lignocelulosicos umidos e aparelho para a realizacao desse processo - Google Patents

Processo para delignificacao de materiais lignocelulosicos umidos e aparelho para a realizacao desse processo

Info

Publication number
BR7403443D0
BR7403443D0 BR3443/74A BR344374A BR7403443D0 BR 7403443 D0 BR7403443 D0 BR 7403443D0 BR 3443/74 A BR3443/74 A BR 3443/74A BR 344374 A BR344374 A BR 344374A BR 7403443 D0 BR7403443 D0 BR 7403443D0
Authority
BR
Brazil
Prior art keywords
delignification
humid
appliance
performance
lignocellulosic materials
Prior art date
Application number
BR3443/74A
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 BR7403443D0 publication Critical patent/BR7403443D0/pt

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)
BR3443/74A 1973-04-27 1974-04-26 Processo para delignificacao de materiais lignocelulosicos umidos e aparelho para a realizacao desse processo BR7403443D0 (pt)

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
BR7403443D0 true BR7403443D0 (pt) 1974-11-19

Family

ID=20317328

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3443/74A BR7403443D0 (pt) 1973-04-27 1974-04-26 Processo para delignificacao de materiais lignocelulosicos umidos e aparelho para a realizacao desse processo

Country Status (6)

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

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
ZA742289B (en) 1975-03-26
FR2227388B1 (pt) 1977-10-21
ATA347674A (de) 1976-04-15
FR2227388A1 (en) 1974-11-22
SE387671B (sv) 1976-09-13
JPS5322561B2 (pt) 1978-07-10
JPS5012301A (pt) 1975-02-07

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