DE69413153D1 - Verfahren zur Entfärbung von Altpapier - Google Patents

Verfahren zur Entfärbung von Altpapier

Info

Publication number
DE69413153D1
DE69413153D1 DE69413153T DE69413153T DE69413153D1 DE 69413153 D1 DE69413153 D1 DE 69413153D1 DE 69413153 T DE69413153 T DE 69413153T DE 69413153 T DE69413153 T DE 69413153T DE 69413153 D1 DE69413153 D1 DE 69413153D1
Authority
DE
Germany
Prior art keywords
pulp
waste paper
papers
diluting
order
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.)
Expired - Fee Related
Application number
DE69413153T
Other languages
English (en)
Other versions
DE69413153T2 (de
Inventor
Louis Floccia
Oliver Hess
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.)
Papeteries Matussiere et Forest SA
Original Assignee
Papeteries Matussiere et Forest 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 Papeteries Matussiere et Forest SA filed Critical Papeteries Matussiere et Forest SA
Publication of DE69413153D1 publication Critical patent/DE69413153D1/de
Application granted granted Critical
Publication of DE69413153T2 publication Critical patent/DE69413153T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE1994613153 1993-07-19 1994-07-12 Verfahren zur Entfärbung von Altpapier Expired - Fee Related DE69413153T2 (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 (2)

Publication Number Publication Date
DE69413153D1 true DE69413153D1 (de) 1998-10-15
DE69413153T2 DE69413153T2 (de) 1999-03-11

Family

ID=9449605

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994613153 Expired - Fee Related DE69413153T2 (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) FI943407A (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
FI943407A (fi) 1995-01-20
DE69413153T2 (de) 1999-03-11
ATE170941T1 (de) 1998-09-15
ES2122203T3 (es) 1998-12-16
FI943407A0 (fi) 1994-07-18
EP0635598B1 (de) 1998-09-09
FR2708009B1 (fr) 1995-09-08
EP0635598A1 (de) 1995-01-25
FR2708009A1 (fr) 1995-01-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee