ATE155542T1 - Verfahren zum entfärben und bleichen von altpapier - Google Patents

Verfahren zum entfärben und bleichen von altpapier

Info

Publication number
ATE155542T1
ATE155542T1 AT93200529T AT93200529T ATE155542T1 AT E155542 T1 ATE155542 T1 AT E155542T1 AT 93200529 T AT93200529 T AT 93200529T AT 93200529 T AT93200529 T AT 93200529T AT E155542 T1 ATE155542 T1 AT E155542T1
Authority
AT
Austria
Prior art keywords
waste paper
decoloring
bleaching waste
bleaching
treatment
Prior art date
Application number
AT93200529T
Other languages
English (en)
Inventor
Roy T Hill
Patricia B Walsh
Anthony J Nugent
John E Skinner
Original Assignee
Solvay Interox
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 US07/848,065 external-priority patent/US5266158A/en
Priority claimed from AU32801/93A external-priority patent/AU662949B2/en
Application filed by Solvay Interox filed Critical Solvay Interox
Application granted granted Critical
Publication of ATE155542T1 publication Critical patent/ATE155542T1/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
    • 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
    • D21C5/022—Chemicals therefor
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Paper (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Cosmetics (AREA)
AT93200529T 1992-03-09 1993-02-25 Verfahren zum entfärben und bleichen von altpapier ATE155542T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/848,065 US5266158A (en) 1992-03-09 1992-03-09 Process for the colour stripping and bleaching of coloured waste paper
AU32801/93A AU662949B2 (en) 1993-02-04 1993-02-04 Process for the colour stripping and bleaching of coloured waste paper

Publications (1)

Publication Number Publication Date
ATE155542T1 true ATE155542T1 (de) 1997-08-15

Family

ID=25622222

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93200529T ATE155542T1 (de) 1992-03-09 1993-02-25 Verfahren zum entfärben und bleichen von altpapier

Country Status (6)

Country Link
EP (1) EP0560421B1 (de)
JP (1) JPH0641889A (de)
AT (1) ATE155542T1 (de)
BR (1) BR9300787A (de)
CA (1) CA2091224A1 (de)
DE (1) DE69312127T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2296513B (en) * 1994-12-24 1998-07-29 Ciba Geigy Ag Paper treatment
JP4967451B2 (ja) 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法
JP4887900B2 (ja) * 2006-05-17 2012-02-29 三菱瓦斯化学株式会社 漂白パルプの製造方法
JP4997905B2 (ja) * 2006-10-10 2012-08-15 三菱瓦斯化学株式会社 印刷用塗被紙の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404061A (en) * 1981-08-17 1983-09-13 International Paper Company Bleaching of lignocellulosic materials with monopersulfuric acid or its salts
FR2550561B1 (fr) * 1983-08-08 1986-08-08 Interox Procede pour la regeneration des vieux papiers
FR2576930B1 (fr) * 1985-02-04 1988-08-12 Interox Procede pour la delignification et le blanchiment de pate a papier chimique ou semi-chimique de bagasse

Also Published As

Publication number Publication date
EP0560421A1 (de) 1993-09-15
JPH0641889A (ja) 1994-02-15
DE69312127T2 (de) 1998-02-12
BR9300787A (pt) 1993-09-28
CA2091224A1 (fr) 1993-09-10
DE69312127D1 (de) 1997-08-21
EP0560421B1 (de) 1997-07-16

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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