BR9702127A - Process for oxygen delignification of a paper pulp - Google Patents

Process for oxygen delignification of a paper pulp

Info

Publication number
BR9702127A
BR9702127A BR9702127A BR9702127A BR9702127A BR 9702127 A BR9702127 A BR 9702127A BR 9702127 A BR9702127 A BR 9702127A BR 9702127 A BR9702127 A BR 9702127A BR 9702127 A BR9702127 A BR 9702127A
Authority
BR
Brazil
Prior art keywords
paper pulp
oxygen delignification
delignification
oxygen
pulp
Prior art date
Application number
BR9702127A
Other languages
Portuguese (pt)
Inventor
Henry Ledon
Pierre Larnicol
Michel Muguet
Jean-Marc Rabillier
Original Assignee
Air Liquide
Chemoxal Sa
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 Air Liquide, Chemoxal Sa filed Critical Air Liquide
Publication of BR9702127A publication Critical patent/BR9702127A/en

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
    • 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
    • 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
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
BR9702127A 1996-04-12 1997-04-11 Process for oxygen delignification of a paper pulp BR9702127A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604627A FR2747406B1 (en) 1996-04-12 1996-04-12 PROCESS FOR DELIGNIFYING PAPER PULP TO OXYGEN
PCT/FR1997/000647 WO1997039180A1 (en) 1996-04-12 1997-04-11 Method for oxygen delignification of paper pulp

Publications (1)

Publication Number Publication Date
BR9702127A true BR9702127A (en) 1999-01-05

Family

ID=9491170

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9702127A BR9702127A (en) 1996-04-12 1997-04-11 Process for oxygen delignification of a paper pulp

Country Status (8)

Country Link
EP (1) EP0832322A1 (en)
JP (1) JPH11508001A (en)
AU (1) AU711672B2 (en)
BR (1) BR9702127A (en)
CA (1) CA2224713A1 (en)
FR (1) FR2747406B1 (en)
ID (1) ID16579A (en)
WO (1) WO1997039180A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6627041B2 (en) 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
US6899790B2 (en) 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
BE1006057A3 (en) * 1992-07-06 1994-05-03 Solvay Interox Method for delignification of chemical pulp.

Also Published As

Publication number Publication date
CA2224713A1 (en) 1997-10-23
FR2747406A1 (en) 1997-10-17
AU711672B2 (en) 1999-10-21
EP0832322A1 (en) 1998-04-01
JPH11508001A (en) 1999-07-13
FR2747406B1 (en) 1998-08-28
ID16579A (en) 1997-10-16
WO1997039180A1 (en) 1997-10-23
AU2641597A (en) 1997-11-07

Similar Documents

Publication Publication Date Title
BR9408596A (en) Process for bleaching kraft wood pulp
BR9602146A (en) Pressure fabric for a paper machine and production process
BR9508061A (en) Apparatus paper structure for use in the production of a paper-making fiber texture and process for forming a paper structure
BR9708015A (en) Sieve cylinder for paper pulp
BR9205696A (en) Process for loading cellulose fibers with calcium carbonate, paper pulp loaded with calcium carbonate, loaded paper and process for the production of a loaded paper from cellulosic fibers
AU8316991A (en) Method for controlling stickies in pulp and papermaking processes using recycled paper
BR9707176A (en) Process for making toilet paper
BR9302764A (en) PROCESS FOR WHITENING A CHEMICAL PAPER PULP AND APPLICATION
BR9603843A (en) Paper making process
EP0777011A3 (en) Process for deinking recycled paper pulp
BR9701967A (en) Paper making process
BR9404176A (en) Process for bleaching a chemical pulp
BR9505502A (en) Process for delignification and bleaching of organosolvent pulp and organosolvent pulp
BR9709401A (en) Drying section of a paper making machine drying process of a paper web in a drying section of a paper making machine and paper making machine
BR9405953A (en) Improved ozone / peracid process for the delignification of a lignocellulosic material
BR9402964A (en) Process for bleaching fiber from colored waste paper and pulp
BR9704862A (en) Paper making process
FR2747407B1 (en) PROCESS FOR THE DELIGNIFICATION AND BLEACHING OF CHEMICAL PAPER PULP
BR9702127A (en) Process for oxygen delignification of a paper pulp
BR9407295A (en) Process to inhibit the reversal of brightness on a substrate containing lignin; process to reduce the reversal of the brightness of bleached pulps containing lignin; process to reduce the reversal of the brightness of pulps containing lignin for use as newsprint; lignocellulosic article resistant to reversal of gloss; paper; pulp; bleached thermomechanical pulp; bleached chemothermomechanical pulp sheet of paper comprising bleached pulps containing lignin; sheet of paper comprising
BR9206366A (en) Process for delignifying wood pulp
BR9405943A (en) Process for delignifying a chemical pulp
FI982294A (en) Beam structure of a pulp machine / paper machine / board machine or paper / board finisher
FI940749A0 (en) Method for drying a paper web and a drying section of a paper machine
AU3330599A (en) Method for bleaching and/or delignification of paper pulp

Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired