ATE31333T1 - Verfahren zum bleichen von mechanischer pulpe mittels wasserstoffperoxid. - Google Patents

Verfahren zum bleichen von mechanischer pulpe mittels wasserstoffperoxid.

Info

Publication number
ATE31333T1
ATE31333T1 AT85401182T AT85401182T ATE31333T1 AT E31333 T1 ATE31333 T1 AT E31333T1 AT 85401182 T AT85401182 T AT 85401182T AT 85401182 T AT85401182 T AT 85401182T AT E31333 T1 ATE31333 T1 AT E31333T1
Authority
AT
Austria
Prior art keywords
mechanical pulp
hydrogen peroxide
bleaching mechanical
bleaching
treatment
Prior art date
Application number
AT85401182T
Other languages
English (en)
Inventor
Dominique Lachenal
Claude Bourne
Choudens Christian De
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9305255&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE31333(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of ATE31333T1 publication Critical patent/ATE31333T1/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
AT85401182T 1984-06-15 1985-06-14 Verfahren zum bleichen von mechanischer pulpe mittels wasserstoffperoxid. ATE31333T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8409718A FR2566015B1 (fr) 1984-06-15 1984-06-15 Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene
EP85401182A EP0165867B1 (de) 1984-06-15 1985-06-14 Verfahren zum Bleichen von mechanischer Pulpe mittels Wasserstoffperoxid

Publications (1)

Publication Number Publication Date
ATE31333T1 true ATE31333T1 (de) 1987-12-15

Family

ID=9305255

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85401182T ATE31333T1 (de) 1984-06-15 1985-06-14 Verfahren zum bleichen von mechanischer pulpe mittels wasserstoffperoxid.

Country Status (7)

Country Link
US (1) US4756798A (de)
EP (1) EP0165867B1 (de)
JP (1) JP2504400B2 (de)
AT (1) ATE31333T1 (de)
CA (1) CA1259454A (de)
DE (1) DE3561165D1 (de)
FR (1) FR2566015B1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2004389A6 (es) * 1986-03-21 1989-01-01 Air Prod & Chem Un metodo mejorado de deslignificacion y blanqueo secuenciales de pasta de papel lignocelulosica
US5011572A (en) * 1989-05-19 1991-04-30 Fmc Corporation Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage
SE466060C (sv) 1990-02-13 1995-09-11 Moelnlycke Ab Absorberande kemitermomekanisk massa och framställning därav
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
AU642971B2 (en) * 1990-02-19 1993-11-04 Paper Australia Pty Ltd Bleaching of paper pulp
NZ237019A (en) * 1990-02-19 1992-11-25 Amcor Ltd Bleaching paper pulp by initially treating with oxygen and/or hydrogen peroxide and subsequently treating with a bleaching agent without intervening washing steps
BE1004674A3 (fr) * 1991-03-11 1993-01-12 Interox Internat Sa Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft.
CA2082557C (en) * 1992-02-24 1997-03-11 Charles W. Hankins Integrated pulping process of waste paper yielding tissue-grade paper fibers
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
US6149766A (en) * 1993-06-08 2000-11-21 Kvaerner Pulping Technologies, A/B Process for peroxide bleaching of chemical pulp in a pressurized bleaching vessel
CA2157154A1 (en) * 1994-08-29 1996-03-01 Gordon Leary Bleaching of high-yield pulps with oxygen
DE69608910T2 (de) * 1995-12-07 2001-01-18 Beloit Technologies, Inc. Delignifizierung eines papierzellstoffs mittlerer konsistenz mittels sauerstoff
DE19626200C2 (de) * 1996-06-29 2001-02-01 Voith Sulzer Stoffaufbereitung Verfahren zur Erhöhung des Weißgrades von Altpapierfaserstoff
GB0004988D0 (en) * 2000-03-01 2000-04-19 Unilever Plc Composition and method for bleaching a substrate
US6627041B2 (en) 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
US6899790B2 (en) 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
US8138106B2 (en) 2005-09-30 2012-03-20 Rayonier Trs Holdings Inc. Cellulosic fibers with odor control characteristics
US20080087390A1 (en) * 2006-10-11 2008-04-17 Fort James Corporation Multi-step pulp bleaching
US8845860B2 (en) 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers
TW201610261A (zh) 2014-05-20 2016-03-16 喬治亞太平洋消費者產品公司 非木材纖維之漂白及植物性雜質減量方法
TW201544652A (zh) * 2014-05-20 2015-12-01 Georgia Pacific Consumer Prod 非木材纖維之漂白及植物性雜質減量方法
TW201610265A (zh) 2014-05-20 2016-03-16 喬治亞太平洋消費者產品公司 非木材纖維之漂白及植物性雜質減量方法
CN108642943B (zh) * 2018-04-03 2021-03-19 中国林业科学研究院林产化学工业研究所 一种制备高白度高强度桉木化学机械浆的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA632280A (en) * 1958-07-02 1961-12-05 Kimberly-Clark Corporation Manufacture of bleached cellulosic products resistant to brightness reversion
FI45574C (fi) * 1970-05-11 1972-07-10 Kymin Oy Kymmene Ab Menetelmä selluloosapitoisten aineiden valkaisemiseksi.
US3719552A (en) * 1971-06-18 1973-03-06 American Cyanamid Co Bleaching of lignocellulosic materials with oxygen in the presence of a peroxide
US4029543A (en) * 1971-12-14 1977-06-14 Mo Och Domsjo Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor
US3832276A (en) * 1973-03-07 1974-08-27 Int Paper Co Delignification and bleaching of a cellulose pulp slurry with oxygen
SE7502060L (sv) * 1975-02-24 1976-08-25 Alf Sa Sett vid framstellning av mekanisk pappersmassa
US4410397A (en) * 1978-04-07 1983-10-18 International Paper Company Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4239643A (en) * 1979-01-02 1980-12-16 Monsanto Company Peroxide stabilization
FR2457339A1 (fr) * 1979-05-25 1980-12-19 Interox Procede pour la delignification et le blanchiment de pates cellulosiques chimiques et semi-chimiques
JPS59137591A (ja) * 1983-01-28 1984-08-07 王子製紙株式会社 リグノセルロ−ス物質の漂白方法
JPS59179892A (ja) * 1983-03-25 1984-10-12 王子製紙株式会社 リグノセルロ−ス物質の漂白方法
DE3428352A1 (de) * 1984-08-01 1986-02-13 Degussa Ag, 6000 Frankfurt Verfahren zur delignifizierung und bleiche von zellstoffen
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage

Also Published As

Publication number Publication date
FR2566015B1 (fr) 1986-08-29
EP0165867B1 (de) 1987-12-09
FR2566015A1 (fr) 1985-12-20
CA1259454A (fr) 1989-09-19
JPS6112994A (ja) 1986-01-21
US4756798A (en) 1988-07-12
JP2504400B2 (ja) 1996-06-05
EP0165867A1 (de) 1985-12-27
DE3561165D1 (en) 1988-01-21

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
RZN Patent revoked