ATE170941T1 - Verfahren zur entfärbung von altpapier - Google Patents

Verfahren zur entfärbung von altpapier

Info

Publication number
ATE170941T1
ATE170941T1 AT94420203T AT94420203T ATE170941T1 AT E170941 T1 ATE170941 T1 AT E170941T1 AT 94420203 T AT94420203 T AT 94420203T AT 94420203 T AT94420203 T AT 94420203T AT E170941 T1 ATE170941 T1 AT E170941T1
Authority
AT
Austria
Prior art keywords
pulp
waste paper
papers
diluting
order
Prior art date
Application number
AT94420203T
Other languages
English (en)
Inventor
Louis Floccia
Oliver Hess
Original Assignee
Papeteries Matussiere Forest
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 Papeteries Matussiere Forest filed Critical Papeteries Matussiere Forest
Application granted granted Critical
Publication of ATE170941T1 publication Critical patent/ATE170941T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
AT94420203T 1993-07-19 1994-07-12 Verfahren zur entfärbung von altpapier ATE170941T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9309143A FR2708009B1 (fr) 1993-07-19 1993-07-19 Procédé de désencrage de papiers de récupération.

Publications (1)

Publication Number Publication Date
ATE170941T1 true ATE170941T1 (de) 1998-09-15

Family

ID=9449605

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94420203T ATE170941T1 (de) 1993-07-19 1994-07-12 Verfahren zur entfärbung von altpapier

Country Status (6)

Country Link
EP (1) EP0635598B1 (de)
AT (1) ATE170941T1 (de)
DE (1) DE69413153T2 (de)
ES (1) ES2122203T3 (de)
FI (1) FI943407L (de)
FR (1) FR2708009B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2836162B1 (fr) * 2002-02-18 2004-05-07 Air Liquide Procede de traitement de papiers uses par l'ozone

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers
EP0581631A1 (de) * 1992-07-31 1994-02-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Mit Ozon selektive Zellstoffbehandlung

Also Published As

Publication number Publication date
FI943407A0 (fi) 1994-07-18
FR2708009A1 (fr) 1995-01-27
FR2708009B1 (fr) 1995-09-08
FI943407A7 (fi) 1995-01-20
FI943407L (fi) 1995-01-20
DE69413153T2 (de) 1999-03-11
DE69413153D1 (de) 1998-10-15
EP0635598B1 (de) 1998-09-09
ES2122203T3 (es) 1998-12-16
EP0635598A1 (de) 1995-01-25

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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