NZ331806A - A process for bleaching low concentration paper pulp with ozone and chlorine dioxide in a rotary stirrer - Google Patents

A process for bleaching low concentration paper pulp with ozone and chlorine dioxide in a rotary stirrer

Info

Publication number
NZ331806A
NZ331806A NZ331806A NZ33180698A NZ331806A NZ 331806 A NZ331806 A NZ 331806A NZ 331806 A NZ331806 A NZ 331806A NZ 33180698 A NZ33180698 A NZ 33180698A NZ 331806 A NZ331806 A NZ 331806A
Authority
NZ
New Zealand
Prior art keywords
pulp
ozone
rotary stirrer
paper pulp
chlorine dioxide
Prior art date
Application number
NZ331806A
Other languages
English (en)
Inventor
Michael Muguet
Alain Trichet
Derek Hornsey
Original Assignee
Air Liquide
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 filed Critical Air Liquide
Publication of NZ331806A publication Critical patent/NZ331806A/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
    • D21C9/1015—Bleaching ; Apparatus therefor with use of means other than pressure, temperature
    • 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
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • D21C9/1026—Other features in bleaching 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NZ331806A 1997-09-15 1998-09-08 A process for bleaching low concentration paper pulp with ozone and chlorine dioxide in a rotary stirrer NZ331806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9711446A FR2768442B1 (fr) 1997-09-15 1997-09-15 Procede de blanchiment d'une pate a papier avec de l'ozone et du dioxyde de chlore

Publications (1)

Publication Number Publication Date
NZ331806A true NZ331806A (en) 2000-01-28

Family

ID=9511079

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ331806A NZ331806A (en) 1997-09-15 1998-09-08 A process for bleaching low concentration paper pulp with ozone and chlorine dioxide in a rotary stirrer

Country Status (9)

Country Link
EP (1) EP0902120A1 (ko)
JP (1) JPH11172589A (ko)
KR (1) KR19990029786A (ko)
CN (1) CN1212310A (ko)
AU (1) AU732875B2 (ko)
BR (1) BR9803938A (ko)
CA (1) CA2247532A1 (ko)
FR (1) FR2768442B1 (ko)
NZ (1) NZ331806A (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI981808A (fi) * 1998-08-24 2000-02-25 Crs Reactor Engineering Uk Ltd Menetelmä massan valkaisemiseksi
JP2002069879A (ja) * 2000-09-04 2002-03-08 Nippon Paper Industries Co Ltd セルロース質繊維材料のパルプの漂白方法
SE532470C2 (sv) * 2008-05-13 2010-02-02 Metso Paper Inc Slutblekning av oxygendelignifierad massa med ozon, klordioxid och peroxid
JP6411182B2 (ja) * 2014-11-13 2018-10-24 大王製紙株式会社 汚泥の脱水助剤及び汚泥の脱水方法
CN110656527A (zh) * 2019-09-12 2020-01-07 华南理工大学 一种臭氧和二氧化氯协同高效漂白中浓纸浆的方法及装置
CN111040049A (zh) * 2019-12-02 2020-04-21 广西大学 一种分离提纯甘蔗渣中半纤维素的方法
CN111979818A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种硫酸盐木浆短程序ecf漂白工艺x/z/d-eop-d或x/d/z-eop-d
SE545758C2 (en) * 2022-06-20 2024-01-02 Valmet Oy Method for bleaching pulp from recycled textile material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
CA2186176C (en) * 1995-09-28 2002-11-26 Derek Hornsey Method and apparatus for ozone bleaching of cellulosic pulp at low consistency
FR2743094B1 (fr) * 1995-12-27 1998-02-13 Centre Tech Ind Papier Procede de blanchiment des pates a papier chimiques

Also Published As

Publication number Publication date
KR19990029786A (ko) 1999-04-26
EP0902120A1 (en) 1999-03-17
AU732875B2 (en) 2001-05-03
FR2768442B1 (fr) 1999-10-15
CA2247532A1 (en) 1999-03-15
JPH11172589A (ja) 1999-06-29
AU8421298A (en) 1999-03-25
CN1212310A (zh) 1999-03-31
BR9803938A (pt) 1999-12-07
FR2768442A1 (fr) 1999-03-19

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