RU2068904C1 - Способ получения целлюлозы - Google Patents

Способ получения целлюлозы Download PDF

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Publication number
RU2068904C1
RU2068904C1 RU9193005264A RU93005264A RU2068904C1 RU 2068904 C1 RU2068904 C1 RU 2068904C1 RU 9193005264 A RU9193005264 A RU 9193005264A RU 93005264 A RU93005264 A RU 93005264A RU 2068904 C1 RU2068904 C1 RU 2068904C1
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RU
Russia
Prior art keywords
bleaching
pulp
digester
cellulose
cooking
Prior art date
Application number
RU9193005264A
Other languages
English (en)
Russian (ru)
Other versions
RU93005264A (ru
Inventor
К.Эндрюс Этан
Э.Мера Фернандо
К.Свифт Лоренс
Original Assignee
Белойт Текнолоджиз, Инк.
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 Белойт Текнолоджиз, Инк. filed Critical Белойт Текнолоджиз, Инк.
Publication of RU93005264A publication Critical patent/RU93005264A/ru
Application granted granted Critical
Publication of RU2068904C1 publication Critical patent/RU2068904C1/ru

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    • 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)
  • Investigating Or Analysing Biological Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Prostheses (AREA)
  • Radiation-Therapy Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Drying Of Semiconductors (AREA)
  • Materials For Photolithography (AREA)
RU9193005264A 1990-10-24 1991-10-07 Способ получения целлюлозы RU2068904C1 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60260590A 1990-10-24 1990-10-24
US602605 1990-10-24
PCT/US1991/007402 WO1992007994A1 (en) 1990-10-24 1991-10-07 Pulping process

Publications (2)

Publication Number Publication Date
RU93005264A RU93005264A (ru) 1995-08-10
RU2068904C1 true RU2068904C1 (ru) 1996-11-10

Family

ID=24412030

Family Applications (1)

Application Number Title Priority Date Filing Date
RU9193005264A RU2068904C1 (ru) 1990-10-24 1991-10-07 Способ получения целлюлозы

Country Status (14)

Country Link
EP (1) EP0554391B1 (de)
CN (1) CN1028250C (de)
AT (1) ATE151824T1 (de)
AU (1) AU9022291A (de)
CA (1) CA2094819C (de)
DE (1) DE69125722T2 (de)
ES (1) ES2101830T3 (de)
FI (1) FI931854A0 (de)
MX (1) MX9101706A (de)
NO (1) NO302187B1 (de)
PL (1) PL168216B1 (de)
RU (1) RU2068904C1 (de)
WO (1) WO1992007994A1 (de)
ZA (1) ZA918441B (de)

Families Citing this family (6)

* 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
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 1984-01-26 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
. Патент США N 4578149, кл. D 21 С 11/00, 1986. *

Also Published As

Publication number Publication date
MX9101706A (es) 1992-06-05
CA2094819C (en) 1999-02-02
NO931486D0 (no) 1993-04-22
NO302187B1 (no) 1998-02-02
ATE151824T1 (de) 1997-05-15
FI931854A (fi) 1993-04-23
DE69125722T2 (de) 1997-09-04
CA2094819A1 (en) 1992-04-25
PL168216B1 (pl) 1996-01-31
CN1061452A (zh) 1992-05-27
AU9022291A (en) 1992-05-26
ZA918441B (en) 1992-07-29
NO931486L (no) 1993-04-22
WO1992007994A1 (en) 1992-05-14
FI931854A0 (fi) 1993-04-23
DE69125722D1 (de) 1997-05-22
ES2101830T3 (es) 1997-07-16
CN1028250C (zh) 1995-04-19
EP0554391A1 (de) 1993-08-11
EP0554391B1 (de) 1997-04-16

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