CH322645A - Process for the production of semi-pulp - Google Patents

Process for the production of semi-pulp

Info

Publication number
CH322645A
CH322645A CH322645DA CH322645A CH 322645 A CH322645 A CH 322645A CH 322645D A CH322645D A CH 322645DA CH 322645 A CH322645 A CH 322645A
Authority
CH
Switzerland
Prior art keywords
pulp
semi
production
Prior art date
Application number
Other languages
German (de)
Inventor
Hans Dr Sachsse
Hans-Joachim Dr Leugering
Original Assignee
Waldhof Zellstoff Fab
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 Waldhof Zellstoff Fab filed Critical Waldhof Zellstoff Fab
Publication of CH322645A publication Critical patent/CH322645A/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
CH322645D 1953-08-14 1954-06-25 Process for the production of semi-pulp CH322645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ3627A DE1044587B (en) 1953-08-14 1953-08-14 Process for the production of semi-pulp

Publications (1)

Publication Number Publication Date
CH322645A true CH322645A (en) 1957-06-30

Family

ID=7618875

Family Applications (1)

Application Number Title Priority Date Filing Date
CH322645D CH322645A (en) 1953-08-14 1954-06-25 Process for the production of semi-pulp

Country Status (5)

Country Link
BE (1) BE530746A (en)
CH (1) CH322645A (en)
DE (1) DE1044587B (en)
FR (1) FR1106445A (en)
NL (1) NL189136C (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR24034E (en) * 1914-07-06 1922-02-20 Charles Harnist Process for the manufacture of cellulose and for the use of waste liquors from this manufacture
FR768848A (en) * 1933-05-08 1934-08-14 Sturtevant Mill Co Method and apparatus for hydration of cellulose pulp

Also Published As

Publication number Publication date
NL189136C (en)
DE1044587B (en) 1958-11-20
BE530746A (en)
FR1106445A (en) 1955-12-19

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