GB2200928B - Process for digesting plant and wood fibers with delignification thereof , or for delignification of secondary fibers from chemical or mechan ical pulps - Google Patents

Process for digesting plant and wood fibers with delignification thereof , or for delignification of secondary fibers from chemical or mechan ical pulps

Info

Publication number
GB2200928B
GB2200928B GB8802413A GB8802413A GB2200928B GB 2200928 B GB2200928 B GB 2200928B GB 8802413 A GB8802413 A GB 8802413A GB 8802413 A GB8802413 A GB 8802413A GB 2200928 B GB2200928 B GB 2200928B
Authority
GB
United Kingdom
Prior art keywords
delignification
fibers
pulps
chemical
mechan ical
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 - Lifetime
Application number
GB8802413A
Other languages
English (en)
Other versions
GB8802413D0 (en
GB2200928A (en
Inventor
Sigurd Fongen
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 claimed from NO870562A external-priority patent/NO870562L/no
Application filed by Individual filed Critical Individual
Publication of GB8802413D0 publication Critical patent/GB8802413D0/en
Publication of GB2200928A publication Critical patent/GB2200928A/en
Application granted granted Critical
Publication of GB2200928B publication Critical patent/GB2200928B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • 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
    • D21C7/00—Digesters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
GB8802413A 1987-02-12 1988-02-03 Process for digesting plant and wood fibers with delignification thereof , or for delignification of secondary fibers from chemical or mechan ical pulps Expired - Lifetime GB2200928B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO870562A NO870562L (no) 1987-02-12 1987-02-12 Fremgangsmaate for fremstilling av masse av plante- og/eller trefibre og egnet som raastoff for blant annet papir, papp eller fiberplater.
NO872836A NO872836L (no) 1987-02-12 1987-07-07 Trykksatt avvanningspresse for fibersuspensjoner.

Publications (3)

Publication Number Publication Date
GB8802413D0 GB8802413D0 (en) 1988-03-02
GB2200928A GB2200928A (en) 1988-08-17
GB2200928B true GB2200928B (en) 1991-05-15

Family

ID=26648006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8802413A Expired - Lifetime GB2200928B (en) 1987-02-12 1988-02-03 Process for digesting plant and wood fibers with delignification thereof , or for delignification of secondary fibers from chemical or mechan ical pulps

Country Status (8)

Country Link
EP (1) EP0302110A1 (zh)
JP (1) JPH01502206A (zh)
CN (1) CN88100825A (zh)
AU (1) AU1291288A (zh)
FI (1) FI884696A0 (zh)
GB (1) GB2200928B (zh)
NO (1) NO872836L (zh)
WO (1) WO1988006201A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5755926A (en) 1992-02-24 1998-05-26 Kimberly-Clark Worldwide, Inc. Integrated pulping process of waste paper yielding tissue-grade paper fibers

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO882815L (no) * 1988-06-24 1989-12-27 Sigurd Fongen Fremgangsmaate for fremstilling av cellulosemasse, samt delignifisering, bleking, de-inking og vasking av cellulosefibre og anordning for utfoerelse av fremgangsmaaten.
IN177634B (zh) * 1992-04-06 1997-02-15 Process Improvement Systems Pbc
US20050087315A1 (en) * 2003-10-28 2005-04-28 Donovan Joseph R. Low consistency oxygen delignification process
DE102005040014A1 (de) * 2005-08-23 2007-03-01 Putzmeister Ag Vorrichtung zum Fördern von Dickstoffmaterial
CN101725066B (zh) * 2009-09-14 2011-05-18 陕西科技大学 旧瓦楞纸箱亚硫酸盐法制浆工艺
CN106223095B (zh) * 2016-07-22 2018-07-20 扬州大学 一种高速搅拌结合超声制备纤维素纳米纤维的方法
AT521055B1 (de) * 2018-08-22 2019-10-15 Univ Graz Tech Vorrichtung und Verfahren zum Fraktionieren von längliche Partikel enthaltenden Suspensionen
CN115553193B (zh) * 2022-09-27 2024-04-26 海南时空科技股份公司 多级联橡胶收集控制方法、***及电子设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1632802A (en) * 1926-08-10 1927-06-21 Brown Co Process of and apparatus for treating fiber
BE630337A (zh) * 1962-03-30
US3557583A (en) * 1968-09-10 1971-01-26 Improved Machinery Inc Pulp strainer
US3795577A (en) * 1972-05-01 1974-03-05 Improved Machinery Inc Continuous digester with pressure relief outlet valve cycling
NO139300B (no) * 1975-05-29 1978-10-30 Peterson & Son As M Avvanningsaggregat.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5755926A (en) 1992-02-24 1998-05-26 Kimberly-Clark Worldwide, Inc. Integrated pulping process of waste paper yielding tissue-grade paper fibers

Also Published As

Publication number Publication date
WO1988006201A1 (en) 1988-08-25
GB8802413D0 (en) 1988-03-02
NO872836L (no) 1988-08-15
CN88100825A (zh) 1988-09-07
JPH01502206A (ja) 1989-08-03
GB2200928A (en) 1988-08-17
NO872836D0 (no) 1987-07-07
AU1291288A (en) 1988-09-14
EP0302110A1 (en) 1989-02-08
FI884696A (fi) 1988-10-12
FI884696A0 (fi) 1988-10-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee