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FR848039A - Process for the production of purified cellulose from materials containing cellulose, or process for the purification of celluloses by alkaline route - Google Patents

Process for the production of purified cellulose from materials containing cellulose, or process for the purification of celluloses by alkaline route

Info

Publication number
FR848039A
FR848039A FR848039DA FR848039A FR 848039 A FR848039 A FR 848039A FR 848039D A FR848039D A FR 848039DA FR 848039 A FR848039 A FR 848039A
Authority
FR
France
Prior art keywords
cellulose
celluloses
purification
production
materials containing
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.)
THUERINGISCHE ZELLWOLLE AG
Original Assignee
THUERINGISCHE ZELLWOLLE AG
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 THUERINGISCHE ZELLWOLLE AG filed Critical THUERINGISCHE ZELLWOLLE AG
Application granted granted Critical
Publication of FR848039A publication Critical patent/FR848039A/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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR848039D 1937-12-27 1938-12-27 Process for the production of purified cellulose from materials containing cellulose, or process for the purification of celluloses by alkaline route Expired FR848039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE514191X 1937-12-27

Publications (1)

Publication Number Publication Date
FR848039A true FR848039A (en) 1939-10-20

Family

ID=6548604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848039D Expired FR848039A (en) 1937-12-27 1938-12-27 Process for the production of purified cellulose from materials containing cellulose, or process for the purification of celluloses by alkaline route

Country Status (3)

Country Link
BE (1) BE431860A (en)
FR (1) FR848039A (en)
GB (1) GB514191A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675311A (en) * 1948-08-09 1954-04-13 John W Natwick Paper pulp process and apparatus
US2849315A (en) * 1953-05-07 1958-08-26 Haglund Gustaf Digestion of wood

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675311A (en) * 1948-08-09 1954-04-13 John W Natwick Paper pulp process and apparatus
US2849315A (en) * 1953-05-07 1958-08-26 Haglund Gustaf Digestion of wood

Also Published As

Publication number Publication date
BE431860A (en)
GB514191A (en) 1939-11-01

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