NO302187B1 - Fremgangsmåte ved behandling av en cellulosemasse - Google Patents

Fremgangsmåte ved behandling av en cellulosemasse

Info

Publication number
NO302187B1
NO302187B1 NO931486A NO931486A NO302187B1 NO 302187 B1 NO302187 B1 NO 302187B1 NO 931486 A NO931486 A NO 931486A NO 931486 A NO931486 A NO 931486A NO 302187 B1 NO302187 B1 NO 302187B1
Authority
NO
Norway
Prior art keywords
digester
treating
cellulose pulp
pulp
bleaching
Prior art date
Application number
NO931486A
Other languages
English (en)
Norwegian (no)
Other versions
NO931486D0 (no
NO931486L (no
Inventor
Ethan K Andrews
Fernando E Mera
Lawrence K Swift
Original Assignee
Beloit Technologies Inc
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 Beloit Technologies Inc filed Critical Beloit Technologies Inc
Publication of NO931486D0 publication Critical patent/NO931486D0/no
Publication of NO931486L publication Critical patent/NO931486L/no
Publication of NO302187B1 publication Critical patent/NO302187B1/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
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage 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
    • D21C9/1026—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
    • D21C9/1026—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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Radiation-Therapy Devices (AREA)
  • Prostheses (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Drying Of Semiconductors (AREA)
  • Materials For Photolithography (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
NO931486A 1990-10-24 1993-04-22 Fremgangsmåte ved behandling av en cellulosemasse NO302187B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60260590A 1990-10-24 1990-10-24
PCT/US1991/007402 WO1992007994A1 (fr) 1990-10-24 1991-10-07 Procede de reduction en pate

Publications (3)

Publication Number Publication Date
NO931486D0 NO931486D0 (no) 1993-04-22
NO931486L NO931486L (no) 1993-04-22
NO302187B1 true NO302187B1 (no) 1998-02-02

Family

ID=24412030

Family Applications (1)

Application Number Title Priority Date Filing Date
NO931486A NO302187B1 (no) 1990-10-24 1993-04-22 Fremgangsmåte ved behandling av en cellulosemasse

Country Status (14)

Country Link
EP (1) EP0554391B1 (fr)
CN (1) CN1028250C (fr)
AT (1) ATE151824T1 (fr)
AU (1) AU9022291A (fr)
CA (1) CA2094819C (fr)
DE (1) DE69125722T2 (fr)
ES (1) ES2101830T3 (fr)
FI (1) FI931854A7 (fr)
MX (1) MX9101706A (fr)
NO (1) NO302187B1 (fr)
PL (1) PL168216B1 (fr)
RU (1) RU2068904C1 (fr)
WO (1) WO1992007994A1 (fr)
ZA (1) ZA918441B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936338A (ja) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd 光デイスク記録再生方法
USH1690H (en) * 1995-07-20 1997-11-04 Nye; Jeffrey Process for bleaching kraft pulp
US7867360B2 (en) * 2004-07-13 2011-01-11 Fpinnovations Generation of active polysulphide with manganese and bismuth catalysts
FR2885371B1 (fr) * 2005-05-03 2007-08-03 Cie Ind De La Matiere Vegetale Installation pour la mise en oeuvre d'un procede de production de pate a papier, de lignines et de sucres et procede de production au moyen d'une telle installation
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
CN103498375B (zh) * 2013-09-24 2015-06-03 昆明理工大学 一种光叶楮白皮的制浆方法
BR102014027199B1 (pt) * 2014-07-14 2022-10-04 Nalco Company Método para aprimorar a fabricação de polpa de soda ou kraft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE353105C (de) * 1921-07-16 1922-05-18 Leopold Enge Verfahren zur Herstellung von Holzstoff
SE373397C (sv) * 1972-03-30 1984-02-06 Mo Och Domsjoe Ab Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery

Also Published As

Publication number Publication date
FI931854L (fi) 1993-04-23
DE69125722T2 (de) 1997-09-04
MX9101706A (es) 1992-06-05
DE69125722D1 (de) 1997-05-22
CN1061452A (zh) 1992-05-27
EP0554391B1 (fr) 1997-04-16
ES2101830T3 (es) 1997-07-16
CA2094819A1 (fr) 1992-04-25
PL168216B1 (pl) 1996-01-31
FI931854A0 (fi) 1993-04-23
FI931854A7 (fi) 1993-04-23
CA2094819C (fr) 1999-02-02
CN1028250C (zh) 1995-04-19
WO1992007994A1 (fr) 1992-05-14
EP0554391A1 (fr) 1993-08-11
NO931486D0 (no) 1993-04-22
NO931486L (no) 1993-04-22
AU9022291A (en) 1992-05-26
ZA918441B (en) 1992-07-29
ATE151824T1 (de) 1997-05-15
RU2068904C1 (ru) 1996-11-10

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