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AT277745B - Process for the production of sulphite pulp - Google Patents

Process for the production of sulphite pulp

Info

Publication number
AT277745B
AT277745B AT1137465A AT1137465A AT277745B AT 277745 B AT277745 B AT 277745B AT 1137465 A AT1137465 A AT 1137465A AT 1137465 A AT1137465 A AT 1137465A AT 277745 B AT277745 B AT 277745B
Authority
AT
Austria
Prior art keywords
production
sulphite pulp
sulphite
pulp
Prior art date
Application number
AT1137465A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT277745B publication Critical patent/AT277745B/en

Links

Classifications

    • 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
    • D21H11/06—Sulfite or bisulfite pulp
    • 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping 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)
AT1137465A 1964-12-18 1965-12-17 Process for the production of sulphite pulp AT277745B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AT277745B true AT277745B (en) 1970-01-12

Family

ID=20300560

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1137465A AT277745B (en) 1964-12-18 1965-12-17 Process for the production of sulphite pulp

Country Status (5)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007022750A1 (en) * 2007-05-11 2008-11-13 Voith Patent Gmbh Process for defibering chemically treated lignocellulosic raw material
EP2547826A4 (en) * 2010-03-15 2014-01-01 Upm Kymmene Corp 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
FI46190B (en) 1972-10-02
CH456330A (en) 1968-07-15
DE1517219A1 (en) 1969-12-18
GB1136219A (en) 1968-12-11
SE308061B (en) 1969-01-27
CH465383A (en) 1968-11-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee