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ZA908340B - Chlorine dioxide pulp bleaching process using sequential chlorine addition - Google Patents

Chlorine dioxide pulp bleaching process using sequential chlorine addition

Info

Publication number
ZA908340B
ZA908340B ZA908340A ZA908340A ZA908340B ZA 908340 B ZA908340 B ZA 908340B ZA 908340 A ZA908340 A ZA 908340A ZA 908340 A ZA908340 A ZA 908340A ZA 908340 B ZA908340 B ZA 908340B
Authority
ZA
South Africa
Prior art keywords
chlorine
sequential
bleaching process
pulp bleaching
addition
Prior art date
Application number
ZA908340A
Other languages
English (en)
Inventor
Hou-Min Chang
Chang Hou-Min
Hasan Jameel
Jameel Hasan
Geoffrey Eugene Seger
Eugene Seger Geoffrey
Original Assignee
Univ North Carolina State
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 Univ North Carolina State filed Critical Univ North Carolina State
Publication of ZA908340B publication Critical patent/ZA908340B/xx

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ZA908340A 1989-10-19 1990-10-18 Chlorine dioxide pulp bleaching process using sequential chlorine addition ZA908340B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42408689A 1989-10-19 1989-10-19

Publications (1)

Publication Number Publication Date
ZA908340B true ZA908340B (en) 1991-08-28

Family

ID=23681388

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA908340A ZA908340B (en) 1989-10-19 1990-10-18 Chlorine dioxide pulp bleaching process using sequential chlorine addition

Country Status (7)

Country Link
EP (1) EP0496827A1 (fr)
CN (1) CN1051951A (fr)
AU (1) AU6730390A (fr)
CA (1) CA2067750A1 (fr)
PL (1) PL287416A1 (fr)
WO (1) WO1991005910A1 (fr)
ZA (1) ZA908340B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5850026A (en) 1996-07-03 1998-12-15 Cargill, Incorporated Canola oil having increased oleic acid and decreased linolenic acid content
CN1100177C (zh) * 2000-07-20 2003-01-29 华南理工大学 硫酸盐木浆高温二氧化氯漂白方法
SE532370C2 (sv) * 2008-02-28 2009-12-29 Metso Paper Inc Metod för blekning av en massa
WO2012084842A1 (fr) 2010-12-22 2012-06-28 Akzo Nobel Chemicals International B.V. Procédé pour améliorer le blanchiment par le dioxyde de chlore de la pâte à papier
EP2954115B1 (fr) 2013-02-08 2022-01-12 GP Cellulose GmbH Fibre kraft de bois de résineux ayant une teneur en cellulose alpha améliorée et son utilisation dans la production de produits chimiques cellulosiques
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
CN106958161B (zh) * 2017-03-13 2018-06-01 广西大学 一种纸浆高温二氧化氯漂白段余热回收方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3433702A (en) * 1965-06-28 1969-03-18 Hooker Chemical Corp Woodpulp bleaching process
FR2432574A1 (fr) * 1978-08-01 1980-02-29 Europeen Cellulose Procede de blanchiment de pate a papier

Also Published As

Publication number Publication date
CN1051951A (zh) 1991-06-05
PL287416A1 (en) 1991-08-12
AU6730390A (en) 1991-05-16
WO1991005910A1 (fr) 1991-05-02
EP0496827A1 (fr) 1992-08-05
CA2067750A1 (fr) 1991-04-20

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