PT96816A - Processo de branqueamento de pasta de papel - Google Patents

Processo de branqueamento de pasta de papel

Info

Publication number
PT96816A
PT96816A PT96816A PT9681691A PT96816A PT 96816 A PT96816 A PT 96816A PT 96816 A PT96816 A PT 96816A PT 9681691 A PT9681691 A PT 9681691A PT 96816 A PT96816 A PT 96816A
Authority
PT
Portugal
Prior art keywords
bleaching process
paper paste
paste bleaching
paper
paste
Prior art date
Application number
PT96816A
Other languages
English (en)
Other versions
PT96816B (pt
Inventor
Roger Anthony Cook
Original Assignee
Amcor Ltd
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 Amcor Ltd filed Critical Amcor Ltd
Publication of PT96816A publication Critical patent/PT96816A/pt
Publication of PT96816B publication Critical patent/PT96816B/pt

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
PT96816A 1990-02-19 1991-02-19 Processo de branqueamento de pasta de papel PT96816B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPJ869590 1990-02-19

Publications (2)

Publication Number Publication Date
PT96816A true PT96816A (pt) 1991-10-31
PT96816B PT96816B (pt) 1998-07-31

Family

ID=3774506

Family Applications (1)

Application Number Title Priority Date Filing Date
PT96816A PT96816B (pt) 1990-02-19 1991-02-19 Processo de branqueamento de pasta de papel

Country Status (6)

Country Link
BR (1) BR9106033A (pt)
ES (1) ES2038954A6 (pt)
NZ (1) NZ237019A (pt)
PT (1) PT96816B (pt)
WO (1) WO1991012366A1 (pt)
ZA (1) ZA911062B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9206415D0 (en) * 1992-03-24 1992-05-06 Albright & Wilson Stabilisation of bleach liquors
CN100500990C (zh) * 2005-09-02 2009-06-17 华南理工大学 纸浆清洁漂白方法
US8012770B2 (en) 2009-07-31 2011-09-06 Invisible Sentinel, Inc. Device for detection of antigens and uses thereof
CA2777061C (en) 2009-10-09 2018-06-19 Invisible Sentinel, Inc. Device for detection of analytes and uses thereof
EP3608021A3 (en) 2011-01-27 2020-04-22 Invisible Sentinel, Inc. Analyte detection devices, multiplex and tabletop devices for detection of analytes, and uses thereof
JP6190395B2 (ja) 2012-03-09 2017-08-30 インビジブル・センチネル，インコーポレーテッド 単一信号で複数被検体を検出する方法及び組成物
FR3062138B1 (fr) 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Procede de blanchiment d'une pate a papier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1404605A (fr) * 1964-05-22 1965-07-02 Air Liquide Perfectionnement à la délignification des pâtes chimiques de cellulose
CA897361A (en) * 1969-12-19 1972-04-11 E. Mallett Samuel Oxygen bleaching process
DE2219504C2 (de) * 1972-04-21 1974-10-03 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Mehrstufenbleiche von Zellstoffen mit erheblich reduziertem Chloreinsatz
DE2841013C2 (de) * 1978-09-21 1984-06-07 Degussa Ag, 6000 Frankfurt Verfahren zur Vollbleiche von Zellstoff
CA1164157A (fr) * 1980-09-23 1984-03-27 Hortensia N.F. Rodriguez Blanchiment de la pate de bagasse a l'oxygene et aux alcalis
FR2566015B1 (fr) * 1984-06-15 1986-08-29 Centre Tech Ind Papier Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene
DE3802401A1 (de) * 1988-01-28 1989-08-03 Degussa Verfahren zur herstellung von halbgebleichtem kraftzellstoff

Also Published As

Publication number Publication date
PT96816B (pt) 1998-07-31
NZ237019A (en) 1992-11-25
ZA911062B (en) 1991-11-27
ES2038954A6 (es) 1993-08-01
BR9106033A (pt) 1993-01-19
WO1991012366A1 (en) 1991-08-22

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19910704

FG3A Patent granted, date of granting

Effective date: 19980413

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20001031