ATE163206T1 - Verbessertes ozonbleichen - Google Patents

Verbessertes ozonbleichen

Info

Publication number
ATE163206T1
ATE163206T1 AT93921757T AT93921757T ATE163206T1 AT E163206 T1 ATE163206 T1 AT E163206T1 AT 93921757 T AT93921757 T AT 93921757T AT 93921757 T AT93921757 T AT 93921757T AT E163206 T1 ATE163206 T1 AT E163206T1
Authority
AT
Austria
Prior art keywords
pulp
ozone bleaching
bleaching
ozone
medium
Prior art date
Application number
AT93921757T
Other languages
English (en)
Inventor
Marco Solinas
Thomas Howard Murphy
Heiningen Adriaan Reinhard Van
Yonghao Ni
Original Assignee
Mac Millan Bloedel Ltd
Univ New Brunswick
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 Mac Millan Bloedel Ltd, Univ New Brunswick filed Critical Mac Millan Bloedel Ltd
Application granted granted Critical
Publication of ATE163206T1 publication Critical patent/ATE163206T1/de

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
    • D21C9/101—Bleaching ; Apparatus therefor in solvent medium
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
AT93921757T 1992-10-23 1993-10-07 Verbessertes ozonbleichen ATE163206T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96663992A 1992-10-23 1992-10-23
US98006892A 1992-11-23 1992-11-23
US5649693A 1993-05-03 1993-05-03

Publications (1)

Publication Number Publication Date
ATE163206T1 true ATE163206T1 (de) 1998-02-15

Family

ID=27369043

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93921757T ATE163206T1 (de) 1992-10-23 1993-10-07 Verbessertes ozonbleichen

Country Status (11)

Country Link
US (1) US5685953A (de)
EP (1) EP0665912B1 (de)
JP (1) JPH08502556A (de)
CN (1) CN1107530A (de)
AT (1) ATE163206T1 (de)
AU (1) AU5104593A (de)
BR (1) BR9307281A (de)
CA (1) CA2147244A1 (de)
DE (1) DE69316988T2 (de)
FI (1) FI951919A7 (de)
WO (1) WO1994010377A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2190503A1 (en) * 1994-06-02 1995-12-14 Marco Solinas Ozone bleaching
AU2400697A (en) * 1996-03-25 1997-10-17 Alcell Technologies Inc. Ozone-bleached organosolv pulps
CN100404753C (zh) * 2002-10-18 2008-07-23 梅秀泉 氧化法全棉秆造新闻纸浆及其制备方法
CN100404754C (zh) * 2002-10-18 2008-07-23 梅秀泉 生物/氧化法造芦苇浆的制备方法
US6923887B2 (en) * 2003-02-21 2005-08-02 Alberta Research Council Inc. Method for hydrogen peroxide bleaching of pulp using an organic solvent in the bleaching medium
EP1675496B1 (de) * 2003-10-24 2012-09-26 Ozone Wash (Pty) Limited Geschirrspülverfahren einschliesslich eines biozids
WO2005064076A1 (fr) * 2003-12-25 2005-07-14 Xiuquan Mei Procede de reduction en pate par oxydation en cycle ferme sans rejet
CN100420788C (zh) * 2003-12-25 2008-09-24 梅秀泉 全封闭零排放生物/氧化法清洁造纸浆方法和由此获得的纸浆
US20070131364A1 (en) * 2005-12-14 2007-06-14 University Of Maine Process for treating a cellulose-lignin pulp
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
JP5360546B2 (ja) 2007-01-15 2013-12-04 日本セルロース株式会社 パルプの製造方法
EP3712611B1 (de) * 2017-12-20 2024-10-30 Unicharm Corporation Verfahren zur herstellung einer recycling-zellstofffaser

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041742A (en) * 1976-01-15 1977-08-16 Kelsey-Hayes Company Apparatus and method for cold working metal powder
JPS5390403A (en) * 1977-01-17 1978-08-09 Kogyo Gijutsuin Improving of oxygenn ozone bleaching of pulp
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4229252A (en) * 1979-01-11 1980-10-21 Weyerhaeuser Company Additives for ozone bleaching
AT395028B (de) * 1990-02-07 1992-08-25 Chemiefaser Lenzing Ag Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
FI934446A7 (fi) * 1991-04-08 1993-10-29 Int Paper Co Menetelmä värillisten aineiden määrän vähentämiseksi valkaisun jätelie messä käyttämällä DZD-valkaisusarjaa
SE469387B (sv) * 1992-05-11 1993-06-28 Kamyr Ab Saett vid blekning av massa utan anvaendning av klorkemikalier

Also Published As

Publication number Publication date
EP0665912A1 (de) 1995-08-09
WO1994010377A1 (en) 1994-05-11
US5685953A (en) 1997-11-11
EP0665912B1 (de) 1998-02-11
FI951919L (fi) 1995-06-20
CN1107530A (zh) 1995-08-30
DE69316988D1 (de) 1998-03-19
CA2147244A1 (en) 1994-05-11
AU5104593A (en) 1994-05-24
FI951919A7 (fi) 1995-06-20
DE69316988T2 (de) 1998-07-30
BR9307281A (pt) 1999-06-01
JPH08502556A (ja) 1996-03-19
FI951919A0 (fi) 1995-04-21

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties