SE308061B - - Google Patents

Info

Publication number
SE308061B
SE308061B SE1537464A SE1537464A SE308061B SE 308061 B SE308061 B SE 308061B SE 1537464 A SE1537464 A SE 1537464A SE 1537464 A SE1537464 A SE 1537464A SE 308061 B SE308061 B SE 308061B
Authority
SE
Sweden
Prior art keywords
pulp
digestion
ligno
dec
beating
Prior art date
Application number
SE1537464A
Other languages
English (en)
Inventor
F Gram
P Olsson
H Kildjer
G Malm
O Lundqvist
Original Assignee
Svenska Cellulosa 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 Svenska Cellulosa Ab filed Critical Svenska Cellulosa Ab
Priority to SE1537464A priority Critical patent/SE308061B/xx
Priority to DE19651517219 priority patent/DE1517219C/de
Priority to AT1137465A priority patent/AT277745B/de
Priority to CH1744365A priority patent/CH456330A/de
Priority to GB5359965A priority patent/GB1136219A/en
Priority to CH1744465A priority patent/CH465383A/de
Priority to FI302965A priority patent/FI46190B/fi
Publication of SE308061B publication Critical patent/SE308061B/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H11/00Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/06Sulfite or bisulfite pulp
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/04Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
SE1537464A 1964-12-18 1964-12-18 SE308061B (enrdf_load_stackoverflow)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE1537464A SE308061B (enrdf_load_stackoverflow) 1964-12-18 1964-12-18
DE19651517219 DE1517219C (de) 1964-12-18 1965-12-17 Verfahren zur Herstellung von Sulfitzellstoff sowie nach dem Verfahren hergestellter Zellstoff und seine Verwendung
AT1137465A AT277745B (de) 1964-12-18 1965-12-17 Verfahren zur Herstellung von Sulfitzellstoff
CH1744365A CH456330A (de) 1964-12-18 1965-12-17 Verfahren zur Herstellung eines für Faserprodukte geeigneten Zellstoffes
GB5359965A GB1136219A (en) 1964-12-18 1965-12-17 Improved process for the production of sulphite pulp and a pulp produced according to the process
CH1744465A CH465383A (de) 1964-12-18 1965-12-17 Verfahren zur Herstellung von Faserprodukten
FI302965A FI46190B (enrdf_load_stackoverflow) 1964-12-18 1965-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1537464A SE308061B (enrdf_load_stackoverflow) 1964-12-18 1964-12-18

Publications (1)

Publication Number Publication Date
SE308061B true SE308061B (enrdf_load_stackoverflow) 1969-01-27

Family

ID=20300560

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1537464A SE308061B (enrdf_load_stackoverflow) 1964-12-18 1964-12-18

Country Status (5)

Country Link
AT (1) AT277745B (enrdf_load_stackoverflow)
CH (2) CH456330A (enrdf_load_stackoverflow)
FI (1) FI46190B (enrdf_load_stackoverflow)
GB (1) GB1136219A (enrdf_load_stackoverflow)
SE (1) SE308061B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007022750A1 (de) * 2007-05-11 2008-11-13 Voith Patent Gmbh Verfahren zum Zerfasern von chemisch behandeltem lignocellulosischem Rohstoff
WO2011113998A1 (en) * 2010-03-15 2011-09-22 Upm-Kymmene Corporation Method for improving the properties of a paper product and forming an additive component and the corresponding paper product and additive component and use of the additive component

Also Published As

Publication number Publication date
DE1517219A1 (de) 1969-12-18
FI46190B (enrdf_load_stackoverflow) 1972-10-02
AT277745B (de) 1970-01-12
CH456330A (de) 1968-07-15
GB1136219A (en) 1968-12-11
CH465383A (de) 1968-11-15

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