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FI945722A7 - Kierrätetyn paperimassan valkaisu pelkistys-hapetus-sekvenssillä - Google Patents

Kierrätetyn paperimassan valkaisu pelkistys-hapetus-sekvenssillä Download PDF

Info

Publication number
FI945722A7
FI945722A7 FI945722A FI945722A FI945722A7 FI 945722 A7 FI945722 A7 FI 945722A7 FI 945722 A FI945722 A FI 945722A FI 945722 A FI945722 A FI 945722A FI 945722 A7 FI945722 A7 FI 945722A7
Authority
FI
Finland
Prior art keywords
bleaching
reduction
paper pulp
recycled paper
oxidation sequence
Prior art date
Application number
FI945722A
Other languages
English (en)
Swedish (sv)
Other versions
FI945722A0 (fi
FI945722L (fi
Inventor
Michel Muguet
Jack Kogan
Original Assignee
Lair Liquide
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 Lair Liquide filed Critical Lair Liquide
Publication of FI945722A0 publication Critical patent/FI945722A0/fi
Publication of FI945722A7 publication Critical patent/FI945722A7/fi
Publication of FI945722L publication Critical patent/FI945722L/fi

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/16Bleaching ; Apparatus therefor with per compounds
    • D21C9/163Bleaching ; Apparatus therefor with per compounds with peroxides
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02Working-up waste paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1084Bleaching ; Apparatus therefor with reducing compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/147Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI945722A 1993-04-06 1994-04-05 Kierrätetyn paperimassan valkaisu pelkistys-hapetus-sekvenssillä FI945722L (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4436993A 1993-04-06 1993-04-06
US9115893A 1993-07-12 1993-07-12
US08/173,674 US5464501A (en) 1993-04-06 1993-12-23 Bleaching recycled pulp with a reductive-oxidative sequence
PCT/EP1994/001071 WO1994023118A2 (en) 1993-04-06 1994-04-05 Bleaching recycled pulp with a reductive-oxidative sequence

Publications (3)

Publication Number Publication Date
FI945722A0 FI945722A0 (fi) 1994-12-05
FI945722A7 true FI945722A7 (fi) 1995-02-01
FI945722L FI945722L (fi) 1995-02-01

Family

ID=27366475

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945722A FI945722L (fi) 1993-04-06 1994-04-05 Kierrätetyn paperimassan valkaisu pelkistys-hapetus-sekvenssillä

Country Status (12)

Country Link
US (1) US5464501A (fi)
EP (1) EP0644966B1 (fi)
JP (1) JPH08501132A (fi)
AU (1) AU670195B2 (fi)
BR (1) BR9404893A (fi)
CA (1) CA2137451C (fi)
DE (1) DE69402650T2 (fi)
ES (1) ES2100712T3 (fi)
FI (1) FI945722L (fi)
NO (1) NO944697L (fi)
NZ (1) NZ265258A (fi)
WO (1) WO1994023118A2 (fi)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0644965B1 (en) * 1993-04-06 1998-01-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Bleaching recycled pulp with ozone and hydrogen peroxide
US5582681A (en) 1994-06-29 1996-12-10 Kimberly-Clark Corporation Production of soft paper products from old newspaper
US6001218A (en) 1994-06-29 1999-12-14 Kimberly-Clark Worldwide, Inc. Production of soft paper products from old newspaper
US6074527A (en) 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
US5656130A (en) * 1995-04-28 1997-08-12 Union Camp Holding, Inc. Ambient temperature pulp bleaching with peroxyacid salts
US5733412A (en) * 1995-09-13 1998-03-31 International Paper Company Decolorizing brown fibers in recycled pulp
US6296736B1 (en) 1997-10-30 2001-10-02 Kimberly-Clark Worldwide, Inc. Process for modifying pulp from recycled newspapers
US6325892B1 (en) 1998-09-23 2001-12-04 University Of New Brunswick Method of delignifying sulphite pulp with oxygen and borohydride
US6387210B1 (en) 1998-09-30 2002-05-14 Kimberly-Clark Worldwide, Inc. Method of making sanitary paper product from coarse fibers
EP1031657A1 (en) * 1999-02-25 2000-08-30 Degussa-Hüls Aktiengesellschaft A method for bleaching secondary fibres
US6758942B2 (en) * 2002-02-15 2004-07-06 Royce Associates Process for bleaching pulp or paper
US7914646B2 (en) * 2006-07-21 2011-03-29 Nalco Company Compositions and processes for paper production
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
US8034203B2 (en) 2007-04-13 2011-10-11 United States Gypsum Company Gypsum wallboard with improved nail pull strength and the method for making same
BR112014031092B1 (pt) 2012-06-13 2022-05-17 University Of Maine System Board Of Trustees Processo para formar nanofibras de celulose a partir de um material celulósico
AT515152B1 (de) * 2013-11-26 2015-12-15 Chemiefaser Lenzing Ag Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
FI127996B (fi) * 2016-07-01 2019-07-15 Kemira Oyj Prosessi sellun käsittelemiseksi
SE541675C2 (en) 2016-10-19 2019-11-26 Re Newcell Ab Recycling of cellulosic textiles
SE2051513A1 (en) * 2020-12-21 2022-03-08 Valmet Oy Method for bleaching pulp from recycled textile material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318657A (en) * 1963-09-23 1967-05-09 Metal Hydrides Inc Method of bleaching cellulose fibres
CA902861A (en) * 1969-11-27 1972-06-20 Pulp And Paper Research Institute Of Canada Bleaching of cellulosic pulp
SE8600615L (sv) * 1985-02-15 1986-08-16 Kamyr Ab Hog ljushet astadkommes genom blekning av mekanisk massa, sasom kemisk-mekanisk massa (cmp), kemisk-termisk-mekanisk massa (ctmp) och liknande
FR2639371B1 (fr) * 1988-11-24 1995-04-14 Atochem Procede de blanchiment de pates desencrees
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers

Also Published As

Publication number Publication date
WO1994023118A2 (en) 1994-10-13
CA2137451C (en) 2001-07-24
WO1994023118A3 (en) 1994-11-24
NO944697L (no) 1995-02-06
CA2137451A1 (en) 1994-10-13
FI945722A0 (fi) 1994-12-05
ES2100712T3 (es) 1997-06-16
DE69402650D1 (de) 1997-05-22
DE69402650T2 (de) 1997-10-30
US5464501A (en) 1995-11-07
EP0644966B1 (en) 1997-04-16
NZ265258A (en) 1996-06-25
AU670195B2 (en) 1996-07-04
EP0644966A1 (en) 1995-03-29
NO944697B1 (fi) 1999-02-01
AU6565694A (en) 1994-10-24
BR9404893A (pt) 1999-06-15
JPH08501132A (ja) 1996-02-06
NO944697D0 (no) 1994-12-06
FI945722L (fi) 1995-02-01

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