GB238305A - An improved process for producing pure cellulose fibres - Google Patents

An improved process for producing pure cellulose fibres

Info

Publication number
GB238305A
GB238305A GB1211824A GB1211824A GB238305A GB 238305 A GB238305 A GB 238305A GB 1211824 A GB1211824 A GB 1211824A GB 1211824 A GB1211824 A GB 1211824A GB 238305 A GB238305 A GB 238305A
Authority
GB
United Kingdom
Prior art keywords
improved process
cellulose fibres
producing pure
pure cellulose
sizing
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
GB1211824A
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.)
Individual
Original Assignee
Individual
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 to FR587935D priority Critical patent/FR587935A/en
Application filed by Individual filed Critical Individual
Priority to GB1211824A priority patent/GB238305A/en
Publication of GB238305A publication Critical patent/GB238305A/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • 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
    • D21C3/006—Pulping cellulose-containing materials with compounds not otherwise provided for
    • 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
    • D21C3/18—Pulping cellulose-containing materials with halogens or halogen-generating compounds
    • 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
    • D21C3/26—Multistage processes
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

In a process for the production of cellulose from wood and other vegetable substances, by treatment with oxidizing agents and salts of weak acids, it is stated that the waste liquors resulting have increased binding power and are suitable for sizing and adhesives.
GB1211824A 1924-05-16 1924-05-16 An improved process for producing pure cellulose fibres Expired GB238305A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR587935D FR587935A (en) 1924-05-16 1924-05-15 Process for extracting pure cellulose fibers from cellulose-containing materials made impure by encrustation, for example sulphite cellulose and vegetable fibrous materials, and for using residual lye
GB1211824A GB238305A (en) 1924-05-16 1924-05-16 An improved process for producing pure cellulose fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1211824A GB238305A (en) 1924-05-16 1924-05-16 An improved process for producing pure cellulose fibres

Publications (1)

Publication Number Publication Date
GB238305A true GB238305A (en) 1925-08-17

Family

ID=9998689

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1211824A Expired GB238305A (en) 1924-05-16 1924-05-16 An improved process for producing pure cellulose fibres

Country Status (2)

Country Link
FR (1) FR587935A (en)
GB (1) GB238305A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417570A (en) * 1943-09-03 1947-03-18 Solvay Process Co Process for bleaching cotton
US2468771A (en) * 1944-04-03 1949-05-03 Univ Minnesota Process of preparing fibers and yarns
US2487114A (en) * 1944-03-16 1949-11-08 Claude Bonard Process for producing acetylatable cellulose from straw
US2673148A (en) * 1950-10-04 1954-03-23 Hercules Powder Co Ltd Alkaline pulping using gaseous oxygen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417570A (en) * 1943-09-03 1947-03-18 Solvay Process Co Process for bleaching cotton
US2487114A (en) * 1944-03-16 1949-11-08 Claude Bonard Process for producing acetylatable cellulose from straw
US2468771A (en) * 1944-04-03 1949-05-03 Univ Minnesota Process of preparing fibers and yarns
US2673148A (en) * 1950-10-04 1954-03-23 Hercules Powder Co Ltd Alkaline pulping using gaseous oxygen

Also Published As

Publication number Publication date
FR587935A (en) 1925-04-27

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