SE8601477D0 - Sett for behandling av mekanisk massa - Google Patents

Sett for behandling av mekanisk massa

Info

Publication number
SE8601477D0
SE8601477D0 SE8601477A SE8601477A SE8601477D0 SE 8601477 D0 SE8601477 D0 SE 8601477D0 SE 8601477 A SE8601477 A SE 8601477A SE 8601477 A SE8601477 A SE 8601477A SE 8601477 D0 SE8601477 D0 SE 8601477D0
Authority
SE
Sweden
Prior art keywords
reject fraction
steam
treatment
carried out
refining
Prior art date
Application number
SE8601477A
Other languages
English (en)
Other versions
SE8601477L (sv
Original Assignee
Sunds Defibrator
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 Sunds Defibrator filed Critical Sunds Defibrator
Priority to SE8601477A priority Critical patent/SE8601477L/sv
Publication of SE8601477D0 publication Critical patent/SE8601477D0/sv
Priority to JP50198387A priority patent/JPH01501953A/ja
Priority to PCT/SE1987/000124 priority patent/WO1987005954A1/en
Priority to AU72018/87A priority patent/AU7201887A/en
Publication of SE8601477L publication Critical patent/SE8601477L/sv
Priority to NO875001A priority patent/NO875001L/no

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
SE8601477A 1986-04-02 1986-04-02 Sett for behandling av mekanisk massa SE8601477L (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8601477A SE8601477L (sv) 1986-04-02 1986-04-02 Sett for behandling av mekanisk massa
JP50198387A JPH01501953A (ja) 1986-04-02 1987-03-12 機械パルプを処理する方法
PCT/SE1987/000124 WO1987005954A1 (en) 1986-04-02 1987-03-12 Method of processing mechanical pulp
AU72018/87A AU7201887A (en) 1986-04-02 1987-03-12 Method of processing mechanical pulp
NO875001A NO875001L (no) 1986-04-02 1987-12-01 Fremgangsmÿte for fremstilling av mekanisk masse.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8601477A SE8601477L (sv) 1986-04-02 1986-04-02 Sett for behandling av mekanisk massa

Publications (2)

Publication Number Publication Date
SE8601477D0 true SE8601477D0 (sv) 1986-04-02
SE8601477L SE8601477L (sv) 1987-10-03

Family

ID=20364022

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8601477A SE8601477L (sv) 1986-04-02 1986-04-02 Sett for behandling av mekanisk massa

Country Status (4)

Country Link
JP (1) JPH01501953A (sv)
AU (1) AU7201887A (sv)
SE (1) SE8601477L (sv)
WO (1) WO1987005954A1 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108909A (en) * 1985-03-22 1992-04-28 Chiron Corporation Expression of TPA in mammalian cells
US5423993A (en) * 1993-08-06 1995-06-13 John A. Boney Fiber recovery system and process
SE513790C2 (sv) * 1999-03-08 2000-11-06 Mo Och Domsjoe Ab Blekning av mekanisk massa med reducerande blekmedel
US20080308239A1 (en) 2007-06-12 2008-12-18 Hart Peter W Fiber blend having high yield and enhanced pulp performance and method for making same
WO2008153565A1 (en) * 2007-06-12 2008-12-18 Meadwestvaco Corporation A fiber blend having high yield and enhanced pulp performance and method for making same
JP5729095B2 (ja) * 2011-03-31 2015-06-03 日本製紙株式会社 広葉樹機械パルプの製造方法
CA2824076A1 (en) 2012-08-21 2014-02-21 University Of New Brunswick System and method for reclaiming rejects in sulfite pulping
SE540961C2 (en) * 2016-05-23 2019-01-29 Holmen Ab Method of providing a paper fibre composition by combining chemical and mechanical pulping

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1590704A (en) * 1976-11-23 1981-06-10 Defibrator Ab Method end device for the continuous production of pulp from fibrous lignocellulosic materials
SE422088B (sv) * 1978-11-24 1982-02-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa av lignocellolusahaltiga material
US4502918A (en) * 1981-06-10 1985-03-05 Macmillan Bloedel Limited Two-stage chemical treatment of mechanical wood pulp with sodium sulfite

Also Published As

Publication number Publication date
WO1987005954A1 (en) 1987-10-08
AU7201887A (en) 1987-10-20
SE8601477L (sv) 1987-10-03
JPH01501953A (ja) 1989-07-06

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8601477-6

Effective date: 19880303