SE420329C - Forfarande for framstellning av slipmassa vid overtryck - Google Patents

Forfarande for framstellning av slipmassa vid overtryck

Info

Publication number
SE420329C
SE420329C SE7801813A SE7801813A SE420329C SE 420329 C SE420329 C SE 420329C SE 7801813 A SE7801813 A SE 7801813A SE 7801813 A SE7801813 A SE 7801813A SE 420329 C SE420329 C SE 420329C
Authority
SE
Sweden
Prior art keywords
pulp
bleaching
water
steam
bleach
Prior art date
Application number
SE7801813A
Other languages
English (en)
Swedish (sv)
Other versions
SE7801813L (sv
SE420329B (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 SE7801813A priority Critical patent/SE420329C/sv
Priority to GB7830360A priority patent/GB2014625B/en
Priority to NO782600A priority patent/NO148783C/no
Priority to NZ188013A priority patent/NZ188013A/xx
Priority to FI782415A priority patent/FI69881C/fi
Priority to AU38694/78A priority patent/AU502062B1/en
Priority to FR7823497A priority patent/FR2417581A1/fr
Priority to DE2834909A priority patent/DE2834909C3/de
Priority to JP10694078A priority patent/JPS54111589A/ja
Priority to BR7805664A priority patent/BR7805664A/pt
Priority to US05/954,715 priority patent/US4207140A/en
Priority to CA314,427A priority patent/CA1074608A/fr
Publication of SE7801813L publication Critical patent/SE7801813L/
Publication of SE420329B publication Critical patent/SE420329B/sv
Publication of SE420329C publication Critical patent/SE420329C/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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
SE7801813A 1978-02-16 1978-02-16 Forfarande for framstellning av slipmassa vid overtryck SE420329C (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE7801813A SE420329C (sv) 1978-02-16 1978-02-16 Forfarande for framstellning av slipmassa vid overtryck
GB7830360A GB2014625B (en) 1978-02-16 1978-07-19 Method of producing groundwood pulp
NO782600A NO148783C (no) 1978-02-16 1978-07-28 Fremgangsmaate ved fremstilling av slipmasse
NZ188013A NZ188013A (en) 1978-02-16 1978-07-31 Groundwood pulp production
FI782415A FI69881C (fi) 1978-02-16 1978-08-07 Foerfarande foer framstaellning av slipmassa
AU38694/78A AU502062B1 (en) 1978-02-16 1978-08-07 Producing groundwood pulp
FR7823497A FR2417581A1 (fr) 1978-02-16 1978-08-09 Procede de fabrication de pate mecanique de matiere lignocellulosique
DE2834909A DE2834909C3 (de) 1978-02-16 1978-08-09 Verfahren zur Herstellung von Holzschliff
JP10694078A JPS54111589A (en) 1978-02-16 1978-08-30 Method of making pulp
BR7805664A BR7805664A (pt) 1978-02-16 1978-08-31 Processo de producao de polpa de madeira
US05/954,715 US4207140A (en) 1978-02-16 1978-10-25 Method of producing groundwood pulp
CA314,427A CA1074608A (fr) 1978-02-16 1978-10-26 Methode de fabrication de pate mecanique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7801813A SE420329C (sv) 1978-02-16 1978-02-16 Forfarande for framstellning av slipmassa vid overtryck

Publications (3)

Publication Number Publication Date
SE7801813L SE7801813L (sv) 1979-08-17
SE420329B SE420329B (sv) 1981-09-28
SE420329C true SE420329C (sv) 1984-10-15

Family

ID=20334010

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7801813A SE420329C (sv) 1978-02-16 1978-02-16 Forfarande for framstellning av slipmassa vid overtryck

Country Status (12)

Country Link
US (1) US4207140A (fr)
JP (1) JPS54111589A (fr)
AU (1) AU502062B1 (fr)
BR (1) BR7805664A (fr)
CA (1) CA1074608A (fr)
DE (1) DE2834909C3 (fr)
FI (1) FI69881C (fr)
FR (1) FR2417581A1 (fr)
GB (1) GB2014625B (fr)
NO (1) NO148783C (fr)
NZ (1) NZ188013A (fr)
SE (1) SE420329C (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422088B (sv) * 1978-11-24 1982-02-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa av lignocellolusahaltiga material
SE433954B (sv) * 1980-03-25 1984-06-25 Mo Och Domsjoe Ab Forfarande och anordning for reduktion av vid framstellning av slipmassa fran vedstockar i stenslipverk uppkomna grovre vedrester och spetor jemte reglering av massans freeness
SE445051B (sv) * 1980-04-10 1986-05-26 Sca Development Ab Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa
SE434069B (sv) * 1980-07-09 1984-07-02 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa
FI61531C (fi) * 1980-11-18 1982-08-10 Tampella Oy Ab Foerfarande foer foerbaettring av efteranvaendningen av vid tilverkningsprocessen foer slipmassa altstrad vaermeenergi
ZA821268B (en) 1981-03-06 1983-03-30 Courtaulds Ltd Drying wood pulp
SE451606B (sv) * 1982-09-14 1987-10-19 Sca Development Ab Sett vid blekning av hogutbytesmassor medelst peroxider
ZA837927B (en) * 1983-05-23 1985-01-30 Process Evaluation Devel Thermomechanical digestion process using bleachants
US4798652A (en) * 1987-10-19 1989-01-17 Peter Joyce Peroxide bleaching of mechanical pulps
DE3823837A1 (de) * 1988-07-14 1990-01-18 Feldmuehle Ag Verfahren zum herstellen von holzschliff
AU1357097A (en) * 1996-02-27 1997-09-16 Tetra Laval Holdings & Finance Sa Process for sanitizing post-consumer paper fibers and product formed therefrom
FI116575B (sv) * 2004-06-28 2005-12-30 Pom Technology Oy Ab Förfarande och anordning vid pappersmaskin
SE0602476L (sv) * 2006-11-22 2007-08-21 Metso Fiber Karlstad Ab Metod för att återvinna värmeenergi från svartlut
FI20215862A1 (en) * 2021-08-17 2023-02-18 Metsae Board Oyj Process, uses thereof, pulp composition and system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413583A (en) * 1945-08-11 1946-12-31 St Regis Paper Co Bleaching of groundwood
SE318178B (fr) * 1963-03-15 1969-12-01 Anglo Paper Prod Ltd
AT244996B (de) * 1963-08-26 1966-02-10 Voith Gmbh J M Wirbelabscheider
SE341322B (fr) * 1968-04-02 1971-12-20 Defibrator Ab
US3808090A (en) * 1970-10-01 1974-04-30 F Luhde Mechanical abrasion of wood particles in the presence of water and in an inert gaseous atmosphere
US4029543A (en) * 1971-12-14 1977-06-14 Mo Och Domsjo Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor
BE792031A (fr) * 1971-12-14 1973-03-16 Mo Och Domsjoe Ab Procede pour la preparation de pulpes mecaniques
SE7317565L (fr) * 1973-12-28 1975-06-30 Selander Stig Daniel
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
SE403916B (sv) * 1975-06-04 1978-09-11 Rolf Bertil Reinhall Anordning vid malapparater for lignocellulosahaltigt material
SE413784B (sv) * 1976-08-06 1980-06-23 Isel Sa Sett och anordning for att utnyttja i defibreringszonen utvecklat verme for att minimera angforbrukningen vid framstellning av massa for fiberskivor

Also Published As

Publication number Publication date
DE2834909B2 (de) 1979-12-13
NO148783C (no) 1983-12-14
BR7805664A (pt) 1979-09-25
AU502062B1 (en) 1979-07-12
FR2417581A1 (fr) 1979-09-14
JPS54111589A (en) 1979-08-31
CA1074608A (fr) 1980-04-01
GB2014625A (en) 1979-08-30
FI782415A7 (fi) 1979-08-17
NO782600L (no) 1979-08-17
SE7801813L (sv) 1979-08-17
DE2834909C3 (de) 1989-02-02
JPS5730438B2 (fr) 1982-06-29
FR2417581B1 (fr) 1982-05-14
SE420329B (sv) 1981-09-28
NZ188013A (en) 1981-05-01
US4207140A (en) 1980-06-10
NO148783B (no) 1983-09-05
FI69881C (fi) 1986-05-26
GB2014625B (en) 1982-04-07
FI69881B (fi) 1985-12-31
DE2834909A1 (de) 1979-08-23

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