EP1790771A4 - Zellstoffbleichverfahren - Google Patents

Zellstoffbleichverfahren

Info

Publication number
EP1790771A4
EP1790771A4 EP05748560A EP05748560A EP1790771A4 EP 1790771 A4 EP1790771 A4 EP 1790771A4 EP 05748560 A EP05748560 A EP 05748560A EP 05748560 A EP05748560 A EP 05748560A EP 1790771 A4 EP1790771 A4 EP 1790771A4
Authority
EP
European Patent Office
Prior art keywords
pulp bleaching
bleaching processes
processes
pulp
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.)
Withdrawn
Application number
EP05748560A
Other languages
English (en)
French (fr)
Other versions
EP1790771A1 (de
Inventor
Shoichi Miyawaki
Kazuhiro Kurosu
Takashi Ochi
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.)
Nippon Paper Industries Co Ltd
Jujo Paper Co Ltd
Original Assignee
Nippon Paper Industries Co Ltd
Jujo Paper Co 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
Priority claimed from JP2004169367A external-priority patent/JP4603298B2/ja
Priority claimed from JP2004289267A external-priority patent/JP2006104587A/ja
Priority claimed from JP2005102558A external-priority patent/JP2006283211A/ja
Priority claimed from JP2005102615A external-priority patent/JP2006283213A/ja
Application filed by Nippon Paper Industries Co Ltd, Jujo Paper Co Ltd filed Critical Nippon Paper Industries Co Ltd
Publication of EP1790771A1 publication Critical patent/EP1790771A1/de
Publication of EP1790771A4 publication Critical patent/EP1790771A4/de
Withdrawn legal-status Critical Current

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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
EP05748560A 2004-06-08 2005-06-08 Zellstoffbleichverfahren Withdrawn EP1790771A4 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2004169367A JP4603298B2 (ja) 2004-06-08 2004-06-08 パルプの漂白方法
JP2004289267A JP2006104587A (ja) 2004-09-30 2004-09-30 高白色度化学パルプ及びその製造方法
JP2005102558A JP2006283211A (ja) 2005-03-31 2005-03-31 化学パルプの漂白方法
JP2005102615A JP2006283213A (ja) 2005-03-31 2005-03-31 パルプの漂白方法及び漂白装置
PCT/JP2005/010521 WO2005121442A1 (ja) 2004-06-08 2005-06-08 パルプの漂白方法

Publications (2)

Publication Number Publication Date
EP1790771A1 EP1790771A1 (de) 2007-05-30
EP1790771A4 true EP1790771A4 (de) 2012-10-03

Family

ID=35503100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05748560A Withdrawn EP1790771A4 (de) 2004-06-08 2005-06-08 Zellstoffbleichverfahren

Country Status (4)

Country Link
US (1) US20070246176A1 (de)
EP (1) EP1790771A4 (de)
CA (1) CA2569848C (de)
WO (1) WO2005121442A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7914646B2 (en) * 2006-07-21 2011-03-29 Nalco Company Compositions and processes for paper production
WO2008055635A1 (en) * 2006-11-09 2008-05-15 Dsm Ip Assets B.V. Process for the preparation of a panel
FR2910027B1 (fr) * 2006-12-13 2009-11-06 Itt Mfg Enterprises Inc Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
US7867358B2 (en) 2008-04-30 2011-01-11 Xyleco, Inc. Paper products and methods and systems for manufacturing such products
US7867359B2 (en) 2008-04-30 2011-01-11 Xyleco, Inc. Functionalizing cellulosic and lignocellulosic materials
CA2728278C (en) 2008-06-20 2016-06-28 Zheng Tan Composition and recording sheet with improved optical properties
JP5938979B2 (ja) * 2012-03-23 2016-06-22 日本製紙株式会社 植物系原料の処理方法
CN104372704A (zh) * 2014-09-15 2015-02-25 岳阳林纸股份有限公司 一种化学机械浆h2o2+oba接力助漂方法
US10143993B2 (en) 2015-08-18 2018-12-04 Lam Research Corporation Radical generator and method for generating ammonia radicals
US11447915B2 (en) 2016-09-30 2022-09-20 Oji Holdings Corporation Pulp, slurry, sheet, laminate, and method for producing pulp
CN115110329A (zh) * 2022-06-28 2022-09-27 中国制浆造纸研究院有限公司 一种降低漂白段纸浆中金属含量和灰分含量的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294654A (en) * 1980-03-21 1981-10-13 International Paper Company Delignification and bleaching of lignocellulosic pulp via photo-oxygenation
WO1984000181A1 (en) * 1982-06-24 1984-01-19 Scott Paper Co Ozone bleaching of cellulosic materials
WO1994002680A1 (en) * 1992-07-24 1994-02-03 Kamyr, Inc. Hydrocyclone photo-reactor
JPH06128890A (ja) * 1992-10-20 1994-05-10 Honshu Paper Co Ltd パルプの漂白方法
JP2002088673A (ja) * 2000-06-20 2002-03-27 National Institute Of Advanced Industrial & Technology パルプ漂白方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UST989185I4 (de) * 1937-06-01
US5084344A (en) * 1988-02-26 1992-01-28 Mitsubishi Paper Mills Limited Photographic support comprising a layer containing an electron beam hardened resin and white pigment of a thickness of 5-100 microns
SE470538C (sv) * 1992-12-02 1996-02-26 Kvaerner Pulping Tech Sätt vid blekning av massa utan användning av klorhaltiga kemikalier
US6776876B1 (en) * 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
FI105701B (fi) * 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi
JPH09241988A (ja) * 1996-03-07 1997-09-16 Mitsubishi Paper Mills Ltd パルプのオゾン漂白方法
EP0925401B1 (de) * 1996-09-11 2002-01-16 SOLVAY INTEROX (Société Anonyme) Verfahren zum bleichen von papierzellstoff
DE69912128T2 (de) * 1998-04-17 2004-06-17 Alberta Research Council, Inc., Edmonton Verfahren zur herstellung lignocellulosehaltiger pulpe aus nicht holzartigem material
JP3371228B2 (ja) * 2000-06-20 2003-01-27 独立行政法人産業技術総合研究所 パルプの漂白方法
JP3368336B2 (ja) * 2000-06-20 2003-01-20 独立行政法人産業技術総合研究所 パルプ漂白方法
JP4721308B2 (ja) * 2001-02-06 2011-07-13 独立行政法人産業技術総合研究所 セルロース誘導体の漂白法
JP2003040607A (ja) * 2001-07-31 2003-02-13 Konpurasu Kk オゾン発生装置
JP2003165711A (ja) * 2001-11-26 2003-06-10 Wakomu Denso:Kk オゾン発生装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294654A (en) * 1980-03-21 1981-10-13 International Paper Company Delignification and bleaching of lignocellulosic pulp via photo-oxygenation
WO1984000181A1 (en) * 1982-06-24 1984-01-19 Scott Paper Co Ozone bleaching of cellulosic materials
WO1994002680A1 (en) * 1992-07-24 1994-02-03 Kamyr, Inc. Hydrocyclone photo-reactor
JPH06128890A (ja) * 1992-10-20 1994-05-10 Honshu Paper Co Ltd パルプの漂白方法
JP2002088673A (ja) * 2000-06-20 2002-03-27 National Institute Of Advanced Industrial & Technology パルプ漂白方法

Also Published As

Publication number Publication date
WO2005121442A1 (ja) 2005-12-22
CA2569848C (en) 2011-05-10
US20070246176A1 (en) 2007-10-25
CA2569848A1 (en) 2005-12-22
EP1790771A1 (de) 2007-05-30

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070108

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): FI SE

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): FI SE

A4 Supplementary search report drawn up and despatched

Effective date: 20120830

RIC1 Information provided on ipc code assigned before grant

Ipc: D21C 9/10 20060101AFI20120824BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20121120