ATE100509T1 - Verfahren zum bleichen von tintenfreiem zellstoff. - Google Patents

Verfahren zum bleichen von tintenfreiem zellstoff.

Info

Publication number
ATE100509T1
ATE100509T1 AT89420456T AT89420456T ATE100509T1 AT E100509 T1 ATE100509 T1 AT E100509T1 AT 89420456 T AT89420456 T AT 89420456T AT 89420456 T AT89420456 T AT 89420456T AT E100509 T1 ATE100509 T1 AT E100509T1
Authority
AT
Austria
Prior art keywords
free pulp
bleaching
ink
bleaching ink
pulp
Prior art date
Application number
AT89420456T
Other languages
English (en)
Inventor
Lucien Bourson
Michel Devic
Original Assignee
Atochem Elf Sa
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 Atochem Elf Sa filed Critical Atochem Elf Sa
Application granted granted Critical
Publication of ATE100509T1 publication Critical patent/ATE100509T1/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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Coloring (AREA)
AT89420456T 1988-11-24 1989-11-21 Verfahren zum bleichen von tintenfreiem zellstoff. ATE100509T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8815637A FR2639371B1 (fr) 1988-11-24 1988-11-24 Procede de blanchiment de pates desencrees
EP19890420456 EP0374057B1 (de) 1988-11-24 1989-11-21 Verfahren zum Bleichen von tintenfreiem Zellstoff

Publications (1)

Publication Number Publication Date
ATE100509T1 true ATE100509T1 (de) 1994-02-15

Family

ID=9372408

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89420456T ATE100509T1 (de) 1988-11-24 1989-11-21 Verfahren zum bleichen von tintenfreiem zellstoff.

Country Status (9)

Country Link
US (1) US5449436A (de)
EP (1) EP0374057B1 (de)
JP (1) JP2516437B2 (de)
AT (1) ATE100509T1 (de)
CA (1) CA2003587C (de)
DE (2) DE68912543T2 (de)
ES (1) ES2015838T3 (de)
FR (1) FR2639371B1 (de)
PT (1) PT92393B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9208266D0 (en) * 1992-04-15 1992-06-03 Morton Int Inc Method of bleaching de-inked pulp
GB9212926D0 (en) * 1992-06-18 1992-07-29 Morton Int Inc Method of bleaching paper pulp
GB9214041D0 (en) * 1992-07-02 1992-08-12 Morton Int Inc Process for de-inking recycled paper pulp
US5464501A (en) * 1993-04-06 1995-11-07 Societe Anonyme Pour L'etude Et L'exploitation L'air Liquide, Des Procedes Georges Claude Bleaching recycled pulp with a reductive-oxidative sequence
SE501309C2 (sv) * 1993-05-28 1995-01-09 Klippans Finpappersbruk Ab Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ
US5882476A (en) * 1995-05-05 1999-03-16 Solvay Minerals, Inc. Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate
US6325892B1 (en) 1998-09-23 2001-12-04 University Of New Brunswick Method of delignifying sulphite pulp with oxygen and borohydride
EP1418269B1 (de) * 2002-11-05 2009-02-11 Rohm And Haas Company Verfahren zum Bleichen von mechanischer Pulpe
US20040211533A1 (en) * 2003-04-28 2004-10-28 Qiang Huang Method for bleaching and color stripping recycled fibers
CN100338295C (zh) * 2005-11-03 2007-09-19 苏州大学 大豆蛋白纤维漂白组合物及其漂白方法
US9932709B2 (en) * 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
FR2980491B1 (fr) 2011-09-27 2014-12-26 Oberthur Technologies Procede de traitement de surface d'un document de securite
CN113802403B (zh) * 2021-08-13 2022-07-26 湖北金汉江精制棉有限公司 一种高聚合度精制棉生产工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI43525B (de) * 1963-03-07 1970-12-31 Fmc Corp
DE1546250A1 (de) * 1964-10-17 1970-08-13 Feldmuehle Ag Verfahren zum Bleichen von Holzschliff
US3384534A (en) * 1964-12-16 1968-05-21 Fmc Corp Bleaching of wood pulps with thiourea dioxide
US3981765A (en) * 1969-07-30 1976-09-21 Vita Mayer & C. Treatment of wood chips with an alkali metal borohydride solution followed by mechanical defibration
DE2105324A1 (en) * 1969-07-30 1972-08-10 Vita Mayer & C gia F Ih Vita SAS, Mailand (Italien) Production of papermaking pulps
JPS4838328A (de) * 1971-09-17 1973-06-06
US3985674A (en) * 1974-12-10 1976-10-12 Virginia Chemicals Inc. Stabilized sodium dithionite solutions
SE8600615L (sv) * 1985-02-15 1986-08-16 Kamyr Ab Hog ljushet astadkommes genom blekning av mekanisk massa, sasom kemisk-mekanisk massa (cmp), kemisk-termisk-mekanisk massa (ctmp) och liknande
FR2604197B1 (fr) * 1986-09-23 1988-11-18 Atochem Procede de blanchiment de matieres lignocellulosiques.
FR2659363B1 (fr) * 1990-03-07 1996-04-19 Atochem Procede de preparation de pates a haut rendement blanchies.

Also Published As

Publication number Publication date
PT92393B (pt) 1995-09-12
EP0374057A2 (de) 1990-06-20
PT92393A (pt) 1990-05-31
JPH02182985A (ja) 1990-07-17
DE68912543T2 (de) 1994-06-30
EP0374057A3 (de) 1991-07-10
DE68912543D1 (de) 1994-03-03
JP2516437B2 (ja) 1996-07-24
ES2015838A4 (es) 1990-09-16
US5449436A (en) 1995-09-12
DE374057T1 (de) 1990-12-20
EP0374057B1 (de) 1994-01-19
CA2003587C (fr) 1999-09-28
FR2639371A1 (fr) 1990-05-25
ES2015838T3 (es) 1994-03-16
FR2639371B1 (fr) 1995-04-14
CA2003587A1 (fr) 1990-05-24

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee