GB2265918B - Method of and apparatus for producing cellulosic paper pulp - Google Patents

Method of and apparatus for producing cellulosic paper pulp

Info

Publication number
GB2265918B
GB2265918B GB9304741A GB9304741A GB2265918B GB 2265918 B GB2265918 B GB 2265918B GB 9304741 A GB9304741 A GB 9304741A GB 9304741 A GB9304741 A GB 9304741A GB 2265918 B GB2265918 B GB 2265918B
Authority
GB
United Kingdom
Prior art keywords
paper pulp
cellulosic paper
producing cellulosic
producing
pulp
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 - Fee Related
Application number
GB9304741A
Other versions
GB2265918A (en
GB9304741D0 (en
Inventor
Punya Brata Choudhuri
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
Application filed by Individual filed Critical Individual
Publication of GB9304741D0 publication Critical patent/GB9304741D0/en
Publication of GB2265918A publication Critical patent/GB2265918A/en
Application granted granted Critical
Publication of GB2265918B publication Critical patent/GB2265918B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
GB9304741A 1992-04-06 1993-03-09 Method of and apparatus for producing cellulosic paper pulp Expired - Fee Related GB2265918B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN233CA1992 IN177634B (en) 1992-04-06 1992-04-06

Publications (3)

Publication Number Publication Date
GB9304741D0 GB9304741D0 (en) 1993-04-28
GB2265918A GB2265918A (en) 1993-10-13
GB2265918B true GB2265918B (en) 1996-01-17

Family

ID=11081658

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9304741A Expired - Fee Related GB2265918B (en) 1992-04-06 1993-03-09 Method of and apparatus for producing cellulosic paper pulp

Country Status (2)

Country Link
GB (1) GB2265918B (en)
IN (1) IN177634B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1282104B1 (en) 1996-01-31 1998-03-12 Consiglio Nazionale Ricerche PROCEDURE FOR THE PRODUCTION OF CELLULOSIC PAPER PASTES BY BIODELIGNIFICATION FROM VEGETABLE MASS PARTICULARLY OF
GB9719479D0 (en) * 1997-09-15 1997-11-12 Krasnohirska The Krotov Pulper
US9777429B2 (en) 2014-03-31 2017-10-03 Marinko Mikulic Continuous process for production of cellulose pulp from grass-like plant feedstock
CN107130456B (en) * 2016-02-29 2021-05-07 山东泉林纸业有限责任公司 Continuous cooking method and device for grass raw materials

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001019A1 (en) * 1980-09-22 1982-04-01 Nardi F Process to produce pulps
US4338158A (en) * 1976-04-09 1982-07-06 Weyerhaeuser Company Pulping in the presence of a protector
GB2200928A (en) * 1987-02-12 1988-08-17 Sigurd Fongen Pulp manufacture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338158A (en) * 1976-04-09 1982-07-06 Weyerhaeuser Company Pulping in the presence of a protector
WO1982001019A1 (en) * 1980-09-22 1982-04-01 Nardi F Process to produce pulps
GB2200928A (en) * 1987-02-12 1988-08-17 Sigurd Fongen Pulp manufacture

Also Published As

Publication number Publication date
GB2265918A (en) 1993-10-13
GB9304741D0 (en) 1993-04-28
IN177634B (en) 1997-02-15

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Legal Events

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

Effective date: 20000309