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SE9000120L - Barrvedssulfatmassa, foefarande foer dess framstaellning och anvaendning av massan - Google Patents

Barrvedssulfatmassa, foefarande foer dess framstaellning och anvaendning av massan

Info

Publication number
SE9000120L
SE9000120L SE9000120A SE9000120A SE9000120L SE 9000120 L SE9000120 L SE 9000120L SE 9000120 A SE9000120 A SE 9000120A SE 9000120 A SE9000120 A SE 9000120A SE 9000120 L SE9000120 L SE 9000120L
Authority
SE
Sweden
Prior art keywords
pulp
weight
fibers
mesh
pct
Prior art date
Application number
SE9000120A
Other languages
Unknown language ( )
English (en)
Other versions
SE9000120D0 (sv
SE465377B (sv
Inventor
J A I Lindahl
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
Priority to SE9000120A priority Critical patent/SE465377B/sv
Publication of SE9000120D0 publication Critical patent/SE9000120D0/sv
Priority to PCT/SE1991/000020 priority patent/WO1991010774A1/en
Priority to CA002072585A priority patent/CA2072585A1/en
Priority to FI923209A priority patent/FI923209A7/sv
Priority to US07/877,164 priority patent/US5427651A/en
Publication of SE9000120L publication Critical patent/SE9000120L/sv
Publication of SE465377B publication Critical patent/SE465377B/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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
SE9000120A 1990-01-15 1990-01-15 Barrvedssulfatmassa, foefarande foer dess framstaellning och anvaendning av massan SE465377B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9000120A SE465377B (sv) 1990-01-15 1990-01-15 Barrvedssulfatmassa, foefarande foer dess framstaellning och anvaendning av massan
PCT/SE1991/000020 WO1991010774A1 (en) 1990-01-15 1991-01-11 Environmental pulp, method for its manufacture and use of pulp
CA002072585A CA2072585A1 (en) 1990-01-15 1991-01-11 Environmental pulp, method for its manufacture and use of pulp
FI923209A FI923209A7 (sv) 1990-01-15 1991-01-11 Miljömassa, förfarande för dess framställning och användning av massa
US07/877,164 US5427651A (en) 1990-01-15 1991-01-11 Method for producing bleached sulfate pulp having a long fiber fraction and a short fiber fraction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9000120A SE465377B (sv) 1990-01-15 1990-01-15 Barrvedssulfatmassa, foefarande foer dess framstaellning och anvaendning av massan

Publications (3)

Publication Number Publication Date
SE9000120D0 SE9000120D0 (sv) 1990-01-15
SE9000120L true SE9000120L (sv) 1991-07-16
SE465377B SE465377B (sv) 1991-09-02

Family

ID=20378233

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9000120A SE465377B (sv) 1990-01-15 1990-01-15 Barrvedssulfatmassa, foefarande foer dess framstaellning och anvaendning av massan

Country Status (5)

Country Link
US (1) US5427651A (sv)
CA (1) CA2072585A1 (sv)
FI (1) FI923209A7 (sv)
SE (1) SE465377B (sv)
WO (1) WO1991010774A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113552B (sv) * 1999-12-09 2004-05-14 Upm Kymmene Corp Förfarande för tillverkning av tryckpapper
FI113670B (sv) * 1999-12-09 2004-05-31 Upm Kymmene Corp Förfarande för framställning av tryckpapper
GB0413068D0 (en) * 2004-06-11 2004-07-14 Imerys Minerals Ltd Treatment of pulp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830688A (en) * 1970-10-23 1974-08-20 Skogsaegarnas Ind Ab Method of reducing the discharge of waste products from pulp mills
US3791917A (en) * 1973-03-07 1974-02-12 Bird Machine Co Process for producing kraft paper laminate of top stock and base stock layers
SE441282B (sv) * 1984-02-22 1985-09-23 Mo Och Domsjoe Ab Forfarande for framstellning av forbettrad hogutbytesmassa
US4562969A (en) * 1984-03-05 1986-01-07 Mooch Domsjo Aktiebolag Process for preparing groundwood pulp as short fiber and long fiber fractions
SE444825B (sv) * 1984-09-10 1986-05-12 Mo Och Domsjoe Ab Forfarande for framstellning av forbettrad hogutbytesmassa
FI75200B (fi) * 1986-07-04 1988-01-29 Valmet Oy Foerfarande vid pappersframstaellningsprocess foer foerbaettring av egenskaper hos papperet, saerskilt dess retention.

Also Published As

Publication number Publication date
SE9000120D0 (sv) 1990-01-15
CA2072585A1 (en) 1991-07-16
FI923209L (fi) 1992-07-13
FI923209A0 (fi) 1992-07-13
WO1991010774A1 (en) 1991-07-25
SE465377B (sv) 1991-09-02
US5427651A (en) 1995-06-27
FI923209A7 (sv) 1992-07-13

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