SE9301326D0 - Foerfarande och anordning foer framstaellning av massa - Google Patents

Foerfarande och anordning foer framstaellning av massa

Info

Publication number
SE9301326D0
SE9301326D0 SE19939301326A SE9301326A SE9301326D0 SE 9301326 D0 SE9301326 D0 SE 9301326D0 SE 19939301326 A SE19939301326 A SE 19939301326A SE 9301326 A SE9301326 A SE 9301326A SE 9301326 D0 SE9301326 D0 SE 9301326D0
Authority
SE
Sweden
Prior art keywords
wood chips
fibers
shear forces
digester
stream
Prior art date
Application number
SE19939301326A
Other languages
English (en)
Other versions
SE512735C2 (sv
SE9301326L (sv
Inventor
*Hernesniemi Lasse
*Pikka Olavi
*Roenkoenharju Hannu
Original Assignee
A Ahlstrom Corp
Wisaforest Oy 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 A Ahlstrom Corp, Wisaforest Oy Ab filed Critical A Ahlstrom Corp
Publication of SE9301326D0 publication Critical patent/SE9301326D0/sv
Publication of SE9301326L publication Critical patent/SE9301326L/sv
Publication of SE512735C2 publication Critical patent/SE512735C2/sv

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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE9301326A 1992-04-21 1993-04-21 Kokning av vedflis följt av defibrering SE512735C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/871,468 US5227021A (en) 1992-04-21 1992-04-21 Method for producing pulp using medium consistency mixer for defiberizing pulp

Publications (3)

Publication Number Publication Date
SE9301326D0 true SE9301326D0 (sv) 1993-04-21
SE9301326L SE9301326L (sv) 1993-10-22
SE512735C2 SE512735C2 (sv) 2000-05-08

Family

ID=25357509

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9301326A SE512735C2 (sv) 1992-04-21 1993-04-21 Kokning av vedflis följt av defibrering

Country Status (3)

Country Link
US (1) US5227021A (sv)
FI (1) FI931772A (sv)
SE (1) SE512735C2 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6187135B1 (en) * 1999-03-30 2001-02-13 Sun Ho Chung Process for making recycled paper having improving strength properties
US6340407B1 (en) * 1999-12-22 2002-01-22 Sun Ho Chung Process of making recycled linerboard or Kraft paper from old corrugated container
US6984447B2 (en) * 2002-12-26 2006-01-10 Kimberly-Clark Worldwide, Inc. Method of producing twisted, curly fibers
US20220074139A1 (en) * 2020-09-09 2022-03-10 Westrock Mwv, Llc Pulping Methods, Methods for Manufacturing Paperboard, and Paperboard Structures
CN113081488B (zh) * 2021-03-30 2023-01-06 广东美登新材料科技有限公司 一种婴儿纸尿裤复合芯体的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002528A (en) * 1972-02-18 1977-01-11 Kamyr, Inc. Apparatus for processing pulp
NO152907C (no) * 1983-06-29 1985-12-11 Peterson & Son As M Fremgangsmaate til delignifisering av kjemisk masse.
FI67580C (fi) * 1983-07-12 1985-04-10 Ahlstroem Oy Foerfarande och anordning foer fibrering silning och pumpning av cellulosamassa och returpapper
SE444962B (sv) * 1985-07-08 1986-05-20 Kamyr Ab Anordning for avskiljning av i en fibermassa forekommande icke onskverda partiklar
FI77063B (fi) * 1986-12-17 1988-09-30 Ahlstroem Oy Foerfarande foer effektivering av fibersuspensionstvaett.

Also Published As

Publication number Publication date
SE512735C2 (sv) 2000-05-08
FI931772A (fi) 1993-10-22
US5227021A (en) 1993-07-13
FI931772A0 (fi) 1993-04-20
SE9301326L (sv) 1993-10-22

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Legal Events

Date Code Title Description
NUG Patent has lapsed