WO2003071024A3 - Procede de traitement de papiers uses par l'ozone - Google Patents

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

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Publication number
WO2003071024A3
WO2003071024A3 PCT/FR2003/000460 FR0300460W WO03071024A3 WO 2003071024 A3 WO2003071024 A3 WO 2003071024A3 FR 0300460 W FR0300460 W FR 0300460W WO 03071024 A3 WO03071024 A3 WO 03071024A3
Authority
WO
WIPO (PCT)
Prior art keywords
ozone treatment
used paper
paper
liquid flotation
inking
Prior art date
Application number
PCT/FR2003/000460
Other languages
English (en)
Other versions
WO2003071024A2 (fr
Inventor
Alain Trichet
Original Assignee
Air Liquide
Alain Trichet
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 Air Liquide, Alain Trichet filed Critical Air Liquide
Priority to EP03717397A priority Critical patent/EP1478802A2/fr
Priority to AU2003222375A priority patent/AU2003222375A1/en
Priority to US10/504,806 priority patent/US20050155729A1/en
Priority to JP2003569908A priority patent/JP2005517834A/ja
Priority to CA 2475689 priority patent/CA2475689A1/fr
Publication of WO2003071024A2 publication Critical patent/WO2003071024A2/fr
Publication of WO2003071024A3 publication Critical patent/WO2003071024A3/fr

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)

Abstract

La demanderesse propose un nouveau procédé de traitement de papiers usés dans lequel, les papiers usés sont mis en pâte dans un milieu aqueux, la pâte est ensuite tamisée puis désencrée par flottation, le procédé comporte en outre une étape d'ozonation effectuée au plus tard avant l'étape de flottation.
PCT/FR2003/000460 2002-02-18 2003-02-13 Procede de traitement de papiers uses par l'ozone WO2003071024A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP03717397A EP1478802A2 (fr) 2002-02-18 2003-02-13 Procede de traitement de papiers uses par l'ozone
AU2003222375A AU2003222375A1 (en) 2002-02-18 2003-02-13 Method for ozone treatment of used paper
US10/504,806 US20050155729A1 (en) 2002-02-18 2003-02-13 Method for ozone treatment of used paper
JP2003569908A JP2005517834A (ja) 2002-02-18 2003-02-13 古紙のオゾン処理方法
CA 2475689 CA2475689A1 (fr) 2002-02-18 2003-02-13 Procede de traitement de papiers uses par l'ozone

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
WO2003071024A2 WO2003071024A2 (fr) 2003-08-28
WO2003071024A3 true WO2003071024A3 (fr) 2004-03-25

Family

ID=27636293

Family Applications (1)

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

Country Status (7)

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

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514901A2 (fr) * 1991-05-21 1992-11-25 Air Products And Chemicals, Inc. Enlèvement de colorants pendant la décoloration à l'oxygène de fibres de récupération
EP0635598A1 (fr) * 1993-07-19 1995-01-25 Papeteries Matussière et Forest, Société Anonyme dite: Procédé de désencrage de papiers de récupération
EP1101859A1 (fr) * 1999-11-18 2001-05-23 Papeteries Matussière et Forest Procédé de désencrage, de décoloration, de désinfection et de blanchiment de papiers de récupération

Family Cites Families (14)

* 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
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
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
EP0931872B1 (fr) * 1998-01-23 2003-04-09 Voith Paper Patent GmbH Procédé pour l'enlèvement d'impurités fines d'une suspension de fibres
US6982006B1 (en) * 1999-10-19 2006-01-03 Boyers David G Method and apparatus for treating a substrate with an ozone-solvent solution
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514901A2 (fr) * 1991-05-21 1992-11-25 Air Products And Chemicals, Inc. Enlèvement de colorants pendant la décoloration à l'oxygène de fibres de récupération
EP0635598A1 (fr) * 1993-07-19 1995-01-25 Papeteries Matussière et Forest, Société Anonyme dite: Procédé de désencrage de papiers de récupération
EP1101859A1 (fr) * 1999-11-18 2001-05-23 Papeteries Matussière et Forest Procédé de désencrage, de décoloration, de désinfection et de blanchiment de papiers de récupération

Also Published As

Publication number Publication date
JP2005517834A (ja) 2005-06-16
AU2003222375A8 (en) 2003-09-09
US20050155729A1 (en) 2005-07-21
FR2836162A1 (fr) 2003-08-22
EP1478802A2 (fr) 2004-11-24
AU2003222375A1 (en) 2003-09-09
WO2003071024A2 (fr) 2003-08-28
CA2475689A1 (fr) 2003-08-28
FR2836162B1 (fr) 2004-05-07

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