SE9101587L - Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit - Google Patents

Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit

Info

Publication number
SE9101587L
SE9101587L SE9101587A SE9101587A SE9101587L SE 9101587 L SE9101587 L SE 9101587L SE 9101587 A SE9101587 A SE 9101587A SE 9101587 A SE9101587 A SE 9101587A SE 9101587 L SE9101587 L SE 9101587L
Authority
SE
Sweden
Prior art keywords
impregnating
sulphite
borhydride
preparation
solution containing
Prior art date
Application number
SE9101587A
Other languages
Unknown language ( )
English (en)
Other versions
SE468644B (sv
SE9101587D0 (sv
Inventor
B Falk
T Granfeldt
Original Assignee
Sunds Defibrator Ind 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 Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Priority to SE9101587A priority Critical patent/SE468644B/sv
Publication of SE9101587D0 publication Critical patent/SE9101587D0/sv
Priority to CA002109513A priority patent/CA2109513A1/en
Priority to PCT/SE1992/000348 priority patent/WO1992020855A1/en
Priority to NZ24286892A priority patent/NZ242868A/en
Priority to AU18824/92A priority patent/AU1882492A/en
Publication of SE9101587L publication Critical patent/SE9101587L/sv
Publication of SE468644B publication Critical patent/SE468644B/sv
Priority to NO934229A priority patent/NO934229D0/no
Priority to FI935205A priority patent/FI935205A0/fi

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
    • D21B1/02—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

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)
  • Paper (AREA)
SE9101587A 1991-05-24 1991-05-24 Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit SE468644B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9101587A SE468644B (sv) 1991-05-24 1991-05-24 Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit
CA002109513A CA2109513A1 (en) 1991-05-24 1992-05-22 A method for the manufacture of chemithermomechanical pulp
PCT/SE1992/000348 WO1992020855A1 (en) 1991-05-24 1992-05-22 A method for the manufacture of chemithermomechanical pulp
NZ24286892A NZ242868A (en) 1991-05-24 1992-05-22 Production of chemithermomechanical pulp involving a preheating of impregnated chips, the impregnating composition comprising borohydride and sulphite and being slightly acid (ph 5-7); impregnating liquid therefor
AU18824/92A AU1882492A (en) 1991-05-24 1992-05-22 A method for the manufacture of chemithermomechanical pulp
NO934229A NO934229D0 (no) 1991-05-24 1993-11-23 Fremgangsm}te for fremstilling av kjemi-termomekanisk masse
FI935205A FI935205A0 (fi) 1991-05-24 1993-11-23 Foerfarande foer framstaellning av kemitermomekanisk massa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9101587A SE468644B (sv) 1991-05-24 1991-05-24 Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit

Publications (3)

Publication Number Publication Date
SE9101587D0 SE9101587D0 (sv) 1991-05-24
SE9101587L true SE9101587L (sv) 1992-11-25
SE468644B SE468644B (sv) 1993-02-22

Family

ID=20382840

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9101587A SE468644B (sv) 1991-05-24 1991-05-24 Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit

Country Status (7)

Country Link
AU (1) AU1882492A (sv)
CA (1) CA2109513A1 (sv)
FI (1) FI935205A0 (sv)
NO (1) NO934229D0 (sv)
NZ (1) NZ242868A (sv)
SE (1) SE468644B (sv)
WO (1) WO1992020855A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4271596A (en) * 1995-12-19 1997-07-14 Kvaerner Hymac Inc. Process for treating refiner pulp
SE525872C2 (sv) * 2002-09-06 2005-05-17 Stora Enso Ab Metod att tillverka mekanisk massa med reducerad energikonsumtion
FI121114B (sv) 2007-05-04 2010-07-15 Kemira Oyj Förfarande för framställning av ditionit
EP2348154A1 (de) * 2010-01-22 2011-07-27 Andritz AG Verfahren zur Herstellung von Holzstoff
EP2924166A1 (de) * 2014-03-25 2015-09-30 Basf Se Verfahren zur Herstellung von gebleichtem Holzfaserstoff

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615874B1 (fr) * 1987-05-25 1992-02-21 Atochem Procede de preparation de pates chimicothermomecaniques

Also Published As

Publication number Publication date
SE468644B (sv) 1993-02-22
CA2109513A1 (en) 1992-11-25
FI935205A (fi) 1993-11-23
NO934229L (no) 1993-11-23
NZ242868A (en) 1994-11-25
NO934229D0 (no) 1993-11-23
SE9101587D0 (sv) 1991-05-24
AU1882492A (en) 1992-12-30
WO1992020855A1 (en) 1992-11-26
FI935205A0 (fi) 1993-11-23

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Legal Events

Date Code Title Description
NUG Patent has lapsed