GB549551A - Ligno-cellulose fibrous pulps and process of making same - Google Patents

Ligno-cellulose fibrous pulps and process of making same

Info

Publication number
GB549551A
GB549551A GB3663/41A GB366341A GB549551A GB 549551 A GB549551 A GB 549551A GB 3663/41 A GB3663/41 A GB 3663/41A GB 366341 A GB366341 A GB 366341A GB 549551 A GB549551 A GB 549551A
Authority
GB
United Kingdom
Prior art keywords
treatment
acid
steam
solution
feeder
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
GB3663/41A
Other languages
English (en)
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.)
Valmet AB
Original Assignee
Defibrator AB
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 Defibrator AB filed Critical Defibrator AB
Publication of GB549551A publication Critical patent/GB549551A/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
    • 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
    • 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
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Paper (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
GB3663/41A 1940-03-21 1941-03-17 Ligno-cellulose fibrous pulps and process of making same Expired GB549551A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE549551X 1940-03-21

Publications (1)

Publication Number Publication Date
GB549551A true GB549551A (en) 1942-11-30

Family

ID=20311760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3663/41A Expired GB549551A (en) 1940-03-21 1941-03-17 Ligno-cellulose fibrous pulps and process of making same

Country Status (2)

Country Link
GB (1) GB549551A (enrdf_load_stackoverflow)
NL (1) NL61014C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992154A (en) * 1956-04-16 1961-07-11 Cigarette Components Ltd Process for producing an article of curly interlocking cellulosic fibres and fibrils
EP2336344A1 (en) * 2009-12-21 2011-06-22 Sekab E-Technology AB Pre-treatment of cellulosic material
CN112726245A (zh) * 2021-02-02 2021-04-30 李亚龙 一种木质纤维生产工艺

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992154A (en) * 1956-04-16 1961-07-11 Cigarette Components Ltd Process for producing an article of curly interlocking cellulosic fibres and fibrils
EP2336344A1 (en) * 2009-12-21 2011-06-22 Sekab E-Technology AB Pre-treatment of cellulosic material
WO2011080131A3 (en) * 2009-12-21 2011-09-29 Sekab E-Technology Ab Pre-treatment of cellulosic material
US8834633B2 (en) 2009-12-21 2014-09-16 Sekab E-Technology Ab Pre-treatment of cellulosic material
AP3319A (en) * 2009-12-21 2015-06-30 Sekab E Technology Ab Pre-treatment of cellulosic material
US9528129B2 (en) 2009-12-21 2016-12-27 Sekab E-Technology Ab Pre-treatment of cellulosic material
CN112726245A (zh) * 2021-02-02 2021-04-30 李亚龙 一种木质纤维生产工艺
CN112726245B (zh) * 2021-02-02 2024-01-26 李亚龙 一种木质纤维生产工艺

Also Published As

Publication number Publication date
NL61014C (enrdf_load_stackoverflow)

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