CA2475689A1 - Procede de traitement de papiers uses par l'ozone - Google Patents

Procede de traitement de papiers uses par l'ozone Download PDF

Info

Publication number
CA2475689A1
CA2475689A1 CA 2475689 CA2475689A CA2475689A1 CA 2475689 A1 CA2475689 A1 CA 2475689A1 CA 2475689 CA2475689 CA 2475689 CA 2475689 A CA2475689 A CA 2475689A CA 2475689 A1 CA2475689 A1 CA 2475689A1
Authority
CA
Canada
Prior art keywords
ozone
ozonation
paper
carried out
contactor
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.)
Abandoned
Application number
CA 2475689
Other languages
English (en)
French (fr)
Inventor
Alain Trichet
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2475689A1 publication Critical patent/CA2475689A1/fr
Abandoned legal-status Critical Current

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • 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)
CA 2475689 2002-02-18 2003-02-13 Procede de traitement de papiers uses par l'ozone Abandoned CA2475689A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR02/02062 2002-02-18
FR0202062A FR2836162B1 (fr) 2002-02-18 2002-02-18 Procede de traitement de papiers uses par l'ozone
PCT/FR2003/000460 WO2003071024A2 (fr) 2002-02-18 2003-02-13 Procede de traitement de papiers uses par l'ozone

Publications (1)

Publication Number Publication Date
CA2475689A1 true CA2475689A1 (fr) 2003-08-28

Family

ID=27636293

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2475689 Abandoned CA2475689A1 (fr) 2002-02-18 2003-02-13 Procede de traitement de papiers uses par l'ozone

Country Status (7)

Country Link
US (1) US20050155729A1 (de)
EP (1) EP1478802A2 (de)
JP (1) JP2005517834A (de)
AU (1) AU2003222375A1 (de)
CA (1) CA2475689A1 (de)
FR (1) FR2836162B1 (de)
WO (1) WO2003071024A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008048670A1 (de) * 2008-09-24 2010-03-25 Voith Patent Gmbh Abwasserbehandlung

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916412A (en) * 1953-11-17 1959-12-08 Butler Co Method of deinking waste paper
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US5234544A (en) * 1989-10-18 1993-08-10 Air Products And Chemicals, Inc. Cleaning and bleaching of secondary fiber
FR2662616B1 (fr) * 1990-05-31 1994-07-08 Anjou Rech Installation pour le traitement de flux liquides a contacteur monophasique, et dispositif recirculateur-degazeur pour une telle installation.
US5405497A (en) * 1990-08-28 1995-04-11 Kamyr, Inc. Method of chemically reacting a liquid with a gas in a vortex
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers
US5397480A (en) * 1992-03-23 1995-03-14 Dickerson; J. Rodney Purification of aqueous streams
US5372679A (en) * 1992-06-08 1994-12-13 Air Products And Chemicals, Inc. Reactor system for treating cellulosic pulp at a constant upward flow velocity
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
FR2708009B1 (fr) * 1993-07-19 1995-09-08 Papeteries Matussiere Forest Procédé de désencrage de papiers de récupération.
US5529660A (en) * 1994-04-15 1996-06-25 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Calude Method of reducing fluorescence in deinked pulp by treating pulp with ozone and a bleaching agent
US6071380A (en) * 1994-08-31 2000-06-06 Hoffman Environmental Systems, Inc. Method of papermaking having zero liquid discharge
ATE237023T1 (de) * 1998-01-23 2003-04-15 Voith Paper Patent Gmbh Verfahren zur entfernung von feinen verunreinigungen aus einer faserstoffsuspension
US6982006B1 (en) * 1999-10-19 2006-01-03 Boyers David G Method and apparatus for treating a substrate with an ozone-solvent solution
FR2801327B1 (fr) * 1999-11-18 2002-07-12 Papeteries Matussiere Forest Procede de desencrage, de decoloration, de desinfection et de blanchiment de papiers de recuperation
US6503403B2 (en) * 2001-03-28 2003-01-07 Lawrence M. Green Gas-liquid contact apparatus
FR2836163B1 (fr) * 2002-02-18 2004-05-07 Air Liquide Procede d'ozonation d'une phase liquide contenant des particules solides

Also Published As

Publication number Publication date
EP1478802A2 (de) 2004-11-24
AU2003222375A1 (en) 2003-09-09
WO2003071024A2 (fr) 2003-08-28
WO2003071024A3 (fr) 2004-03-25
AU2003222375A8 (en) 2003-09-09
FR2836162A1 (fr) 2003-08-22
US20050155729A1 (en) 2005-07-21
JP2005517834A (ja) 2005-06-16
FR2836162B1 (fr) 2004-05-07

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Legal Events

Date Code Title Description
FZDE Discontinued