FR1052900A - Wood fiber treatment process - Google Patents

Wood fiber treatment process

Info

Publication number
FR1052900A
FR1052900A FR1052900DA FR1052900A FR 1052900 A FR1052900 A FR 1052900A FR 1052900D A FR1052900D A FR 1052900DA FR 1052900 A FR1052900 A FR 1052900A
Authority
FR
France
Prior art keywords
treatment process
wood fiber
fiber treatment
wood
treatment
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procel S A
Original Assignee
Procel S A
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 Procel S A filed Critical Procel S A
Application granted granted Critical
Publication of FR1052900A publication Critical patent/FR1052900A/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
    • D21C3/04—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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • 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
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FR1052900D 1952-02-15 1952-02-15 Wood fiber treatment process Expired FR1052900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1005824X 1952-02-15

Publications (1)

Publication Number Publication Date
FR1052900A true FR1052900A (en) 1954-01-28

Family

ID=9565170

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1052900D Expired FR1052900A (en) 1952-02-15 1952-02-15 Wood fiber treatment process

Country Status (4)

Country Link
DE (1) DE1005824B (en)
FR (1) FR1052900A (en)
GB (1) GB734216A (en)
NL (1) NL87584C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328795A1 (en) * 1975-10-24 1977-05-20 Valkanas George METHOD OF MAJOR USE OF AGRICULTURAL CELLULOSIC WASTE

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT101999B (en) * 1997-04-28 2003-09-30 Joao Manuel Almeida Oliveira B CHEMICAL PROCESS OF DESLENHIFICATION OF WOOD USING AS AN ACTIVE REAGENT THE COMPOUND - DOUBLE BISCULPTURE OF MAGNESIUM AND AMMONIUM
GB2501732A (en) * 2012-05-02 2013-11-06 Innovia Films Ltd Improved steeping conditions for manufacture of viscose
EP3901367A1 (en) * 2020-04-20 2021-10-27 Scitech-service OY Method for prehydrolysis of lignocellulosic material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE124556C (en) *
DE237081C (en) * 1909-12-13
DE395119C (en) * 1923-10-11 1924-05-14 Carl G Schwalbe Dr Process for the pretreatment of vegetable raw materials to facilitate the subsequent acidic or alkaline digestion
DE484805C (en) * 1924-11-02 1929-11-11 Leopold Enge Process for softening wood or similar vegetable fibers
DE744868C (en) * 1940-03-22 1944-01-27 Dr Georg Jayme Process for the production of low-pentosan cellulose from plant matter
BE447209A (en) * 1941-12-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328795A1 (en) * 1975-10-24 1977-05-20 Valkanas George METHOD OF MAJOR USE OF AGRICULTURAL CELLULOSIC WASTE

Also Published As

Publication number Publication date
GB734216A (en) 1955-07-27
DE1005824B (en) 1957-04-04
NL87584C (en)

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