CH424454A - Process for the production of pulp from mixtures of softwood, preferably pine and spruce, and hardwood - Google Patents

Process for the production of pulp from mixtures of softwood, preferably pine and spruce, and hardwood

Info

Publication number
CH424454A
CH424454A CH1522862A CH1522862A CH424454A CH 424454 A CH424454 A CH 424454A CH 1522862 A CH1522862 A CH 1522862A CH 1522862 A CH1522862 A CH 1522862A CH 424454 A CH424454 A CH 424454A
Authority
CH
Switzerland
Prior art keywords
spruce
softwood
hardwood
pulp
mixtures
Prior art date
Application number
CH1522862A
Other languages
German (de)
Inventor
Alfred Dr Ogait
Scholz Alfred
Original Assignee
Aschaffenburger Zellstoffwerke
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
Priority claimed from DE1962A0039238 external-priority patent/DE1517142A1/en
Application filed by Aschaffenburger Zellstoffwerke filed Critical Aschaffenburger Zellstoffwerke
Publication of CH424454A publication Critical patent/CH424454A/en

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
    • D21C3/04—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
    • D21C3/10—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites magnesium bisulfite
CH1522862A 1962-01-18 1962-12-27 Process for the production of pulp from mixtures of softwood, preferably pine and spruce, and hardwood CH424454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1962A0039238 DE1517142A1 (en) 1962-01-18 1962-01-18 Process for the production of pulp from mixtures of softwood, preferably pine and spruce, and hardwood

Publications (1)

Publication Number Publication Date
CH424454A true CH424454A (en) 1966-11-15

Family

ID=6931262

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1522862A CH424454A (en) 1962-01-18 1962-12-27 Process for the production of pulp from mixtures of softwood, preferably pine and spruce, and hardwood

Country Status (6)

Country Link
AT (1) AT253346B (en)
CH (1) CH424454A (en)
FI (1) FI43031C (en)
FR (1) FR1345310A (en)
NO (1) NO121699B (en)
SE (1) SE219883C1 (en)

Also Published As

Publication number Publication date
FR1345310A (en) 1963-12-06
NO121699B (en) 1971-03-29
SE219883C1 (en) 1968-04-02
AT253346B (en) 1967-04-10
FI43031B (en) 1970-09-02
FI43031C (en) 1970-12-10

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