CA2670697C - Method for bleaching chemical paper pulps by final ozone treatment at high temperature - Google Patents

Method for bleaching chemical paper pulps by final ozone treatment at high temperature Download PDF

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Publication number
CA2670697C
CA2670697C CA2670697A CA2670697A CA2670697C CA 2670697 C CA2670697 C CA 2670697C CA 2670697 A CA2670697 A CA 2670697A CA 2670697 A CA2670697 A CA 2670697A CA 2670697 C CA2670697 C CA 2670697C
Authority
CA
Canada
Prior art keywords
pulp
ozone treatment
ozone
carried out
bleaching
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA2670697A
Other languages
English (en)
French (fr)
Other versions
CA2670697A1 (en
Inventor
Guillaume Pipon
Dominique Lachenal
Christine Chirat
Jean-Christophe Hostachy
Achim Ried
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ITT Manufacturing Enterprises LLC
Original Assignee
ITT Manufacturing Enterprises LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38335661&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2670697(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ITT Manufacturing Enterprises LLC filed Critical ITT Manufacturing Enterprises LLC
Publication of CA2670697A1 publication Critical patent/CA2670697A1/en
Application granted granted Critical
Publication of CA2670697C publication Critical patent/CA2670697C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • D21C9/147—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)
CA2670697A 2006-12-13 2007-12-11 Method for bleaching chemical paper pulps by final ozone treatment at high temperature Expired - Fee Related CA2670697C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0655467 2006-12-13
FR0655467A FR2910027B1 (fr) 2006-12-13 2006-12-13 Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
PCT/EP2007/063743 WO2008071718A1 (en) 2006-12-13 2007-12-11 Method for bleaching chemical paper pulps by final ozone treatment at high temperature

Publications (2)

Publication Number Publication Date
CA2670697A1 CA2670697A1 (en) 2008-06-19
CA2670697C true CA2670697C (en) 2016-03-15

Family

ID=38335661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2670697A Expired - Fee Related CA2670697C (en) 2006-12-13 2007-12-11 Method for bleaching chemical paper pulps by final ozone treatment at high temperature

Country Status (13)

Country Link
US (1) US8268120B2 (https=)
EP (1) EP2092116B1 (https=)
JP (1) JP5232164B2 (https=)
CN (1) CN101558197B (https=)
AU (1) AU2007331538B2 (https=)
CA (1) CA2670697C (https=)
ES (1) ES2392063T3 (https=)
FR (1) FR2910027B1 (https=)
NZ (1) NZ577156A (https=)
PL (1) PL2092116T3 (https=)
PT (1) PT2092116E (https=)
RU (1) RU2439232C2 (https=)
WO (1) WO2008071718A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI123113B (fi) * 2008-09-10 2012-11-15 Upm Kymmene Corp Menetelmä mekaanisen massan valmistamiseksi ja mekaanisen massan käyttö
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
FR3007044B1 (fr) * 2013-06-13 2016-01-15 Air Liquide Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium
SE538752C2 (en) * 2014-11-21 2016-11-08 Innventia Ab Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp
JP6632494B2 (ja) * 2016-08-05 2020-01-22 ユニ・チャーム株式会社 使用済み吸収性物品からパルプ繊維を回収する方法
FI131312B1 (en) * 2022-08-19 2025-02-10 Infinited Fiber Company Oy Method for treating cellulose-containing waste material and color-free material thus obtained

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT395028B (de) * 1990-02-07 1992-08-25 Chemiefaser Lenzing Ag Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
BR9007533A (pt) * 1990-05-17 1992-04-28 Union Camp Corp Processo para fabricacao de polpa alvejada e para deslignificar e alvejar um material lignoscelulosico
US6010594A (en) * 1993-03-03 2000-01-04 Ahlstrom Machinery Corporation Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage
FI93232C (fi) * 1993-03-03 1995-03-10 Ahlstroem Oy Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
FI945721L (fi) * 1993-04-06 1995-01-26 Air Liquide Kierrätetyn paperimassan valkaisu otsonilla ja vetyperoksidilla
SE500616C2 (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
SE501253C2 (sv) * 1993-06-08 1994-12-19 Kvaerner Pulping Tech Klorfri blekning av kemisk pappersmassa
ZA955290B (en) * 1994-07-11 1996-12-27 Ingersoll Rand Co Peroxide bleaching process for cellulosic and lignocellulosic material
JP2926518B2 (ja) * 1994-07-11 1999-07-28 ベロイト・テクノロジーズ・インコーポレイテッド リグニンセルロース、セルロース及び合成高分子繊維材料の高効率漂白方法
US5656130A (en) * 1995-04-28 1997-08-12 Union Camp Holding, Inc. Ambient temperature pulp bleaching with peroxyacid salts
PT834051E (pt) * 1995-06-20 2002-08-30 Andritz Ahlstrom Oy Metodo e aparelho para tratamento de material mau condutor de calor
FI105701B (fi) * 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi
JP2001200486A (ja) * 1999-12-02 2001-07-27 Andritz Ahlstrom Inc 細砕セルロース繊維材のスラリーを処理する方法
JP2003096682A (ja) * 2001-09-26 2003-04-03 Oji Paper Co Ltd 漂白パルプの製造方法及び該パルプ含有電子写真用転写紙
JP4034993B2 (ja) * 2002-05-01 2008-01-16 株式会社Ａｄｅｋａ セルロースパルプ用漂白助剤及びセルロースパルプの漂白方法
SE526241C2 (sv) * 2003-12-18 2005-08-02 Metso Paper Inc Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning
JP2006283211A (ja) * 2005-03-31 2006-10-19 Nippon Paper Industries Co Ltd 化学パルプの漂白方法
US20070246176A1 (en) * 2004-06-08 2007-10-25 Shoichi Miyawaki Pulp Bleaching Processes

Also Published As

Publication number Publication date
JP2010513728A (ja) 2010-04-30
EP2092116A1 (en) 2009-08-26
RU2009126544A (ru) 2011-01-20
FR2910027A1 (fr) 2008-06-20
US8268120B2 (en) 2012-09-18
JP5232164B2 (ja) 2013-07-10
PT2092116E (pt) 2012-10-24
CN101558197B (zh) 2013-12-04
US20100065233A1 (en) 2010-03-18
PL2092116T3 (pl) 2013-01-31
AU2007331538B2 (en) 2011-01-27
FR2910027B1 (fr) 2009-11-06
RU2439232C2 (ru) 2012-01-10
CA2670697A1 (en) 2008-06-19
AU2007331538A1 (en) 2008-06-19
NZ577156A (en) 2011-03-31
CN101558197A (zh) 2009-10-14
WO2008071718A1 (en) 2008-06-19
ES2392063T3 (es) 2012-12-04
EP2092116B1 (en) 2012-08-22

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Effective date: 20201211