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FR1115967A - Process for the preparation of bleachable semi-cellulose from coniferous wood or deciduous trees - Google Patents

Process for the preparation of bleachable semi-cellulose from coniferous wood or deciduous trees

Info

Publication number
FR1115967A
FR1115967A FR1115967DA FR1115967A FR 1115967 A FR1115967 A FR 1115967A FR 1115967D A FR1115967D A FR 1115967DA FR 1115967 A FR1115967 A FR 1115967A
Authority
FR
France
Prior art keywords
bleachable
cellulose
semi
preparation
deciduous trees
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Moriz Leitner
Gustav Leitner
Josef Leitner
Karl Schuler
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 filed Critical
Application granted granted Critical
Publication of FR1115967A publication Critical patent/FR1115967A/en
Expired legal-status Critical Current

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
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/10—Physical methods for facilitating impregnation
    • 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

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Paper (AREA)
FR1115967D 1954-02-08 1954-11-04 Process for the preparation of bleachable semi-cellulose from coniferous wood or deciduous trees Expired FR1115967A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT314929X 1954-02-08
AT280754X 1954-07-28

Publications (1)

Publication Number Publication Date
FR1115967A true FR1115967A (en) 1956-05-02

Family

ID=25608222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1115967D Expired FR1115967A (en) 1954-02-08 1954-11-04 Process for the preparation of bleachable semi-cellulose from coniferous wood or deciduous trees

Country Status (5)

Country Link
BE (1) BE533805A (en)
CH (1) CH314929A (en)
DE (1) DE1061612B (en)
FR (1) FR1115967A (en)
GB (1) GB757970A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT385061B (en) * 1985-11-29 1988-02-10 Neusiedler Ag METHOD FOR OBTAINING CELL FABRIC FROM PLANT FIBER MATERIAL
RU2609803C1 (en) * 2015-09-28 2017-02-06 Общество с ограниченной ответственностью "Твин Технолоджи Компани" Ways to enhance quality and reactivity of cellulose

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE203230C (en) *
US480334A (en) * 1892-08-09 Hermann xdelbert alfred
FR525403A (en) * 1915-02-18 1921-09-22 Leopold Enge Process for the manufacture of a clear and resistant fibrin of wood or other materials containing cellulose
FR703039A (en) * 1920-10-01 1931-04-22 Ges Fuer Technischen Fortschritt Mbh Process for obtaining cellulose and spinnable fibers
US1633730A (en) * 1924-12-22 1927-06-28 Jr Frederick K Fish Apparatus and process for making paper pulp
US1859845A (en) * 1926-04-08 1932-05-24 Arthur M Hyde Treatment of wood for the production of pulp
US1859848A (en) * 1926-09-03 1932-05-24 Arthur M Hyde Production of fibrous pulp from vegetable material
FR876760A (en) * 1939-07-19 1942-11-17 Ramens Patenter Ab Improvements in the manufacture of wood pulp or cellulose
AT175782B (en) * 1951-02-28 1953-08-10 Waldhof Zellstoff Fab Process for the production of semi-pulp

Also Published As

Publication number Publication date
BE533805A (en)
CH314929A (en) 1956-07-15
DE1061612B (en) 1959-07-16
GB757970A (en) 1956-09-26

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