NO944697B1 - - Google Patents

Info

Publication number
NO944697B1
NO944697B1 NO944697A NO944697A NO944697B1 NO 944697 B1 NO944697 B1 NO 944697B1 NO 944697 A NO944697 A NO 944697A NO 944697 A NO944697 A NO 944697A NO 944697 B1 NO944697 B1 NO 944697B1
Authority
NO
Norway
Application number
NO944697A
Other languages
Norwegian (no)
Other versions
NO944697D0 (no
NO944697L (no
Original Assignee
L Air Liquide Sociutu Anonyme
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 L Air Liquide Sociutu Anonyme filed Critical L Air Liquide Sociutu Anonyme
Publication of NO944697D0 publication Critical patent/NO944697D0/no
Publication of NO944697L publication Critical patent/NO944697L/no
Publication of NO944697B1 publication Critical patent/NO944697B1/no

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • 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
    • 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)
NO944697A 1993-04-06 1994-12-06 Bleking av resirkulert papirmasse med reduksjons-/oksidasjonssekvens NO944697L (no)

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
NO944697D0 NO944697D0 (no) 1994-12-06
NO944697L NO944697L (no) 1995-02-06
NO944697B1 true NO944697B1 (en:Method) 1999-02-01

Family

ID=27366475

Family Applications (1)

Application Number Title Priority Date Filing Date
NO944697A NO944697L (no) 1993-04-06 1994-12-06 Bleking av resirkulert papirmasse med reduksjons-/oksidasjonssekvens

Country Status (12)

Country Link
US (1) US5464501A (en:Method)
EP (1) EP0644966B1 (en:Method)
JP (1) JPH08501132A (en:Method)
AU (1) AU670195B2 (en:Method)
BR (1) BR9404893A (en:Method)
CA (1) CA2137451C (en:Method)
DE (1) DE69402650T2 (en:Method)
ES (1) ES2100712T3 (en:Method)
FI (1) FI945722A7 (en:Method)
NO (1) NO944697L (en:Method)
NZ (1) NZ265258A (en:Method)
WO (1) WO1994023118A2 (en:Method)

Families Citing this family (20)

* 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
US6074527A (en) 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
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
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
PL2861799T3 (pl) 2012-06-13 2020-01-31 University Of Maine System Board Of Trustees Wydajny energetycznie sposób wytwarzania włókien nanocelulozowych
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 (en) * 2016-07-01 2019-07-15 Kemira Oyj A process for treating pulp
SE541675C2 (en) 2016-10-19 2019-11-26 Re Newcell Ab Recycling of cellulosic textiles
FI3551790T3 (sv) 2016-12-06 2023-07-05 Re Newcell Ab Cellulosafibrer
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
EP0191756B1 (en) * 1985-02-15 1989-01-04 Kamyr Ab Multi peroxide stage mechanical pulp bleaching
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
ES2100712T3 (es) 1997-06-16
FI945722A0 (fi) 1994-12-05
WO1994023118A2 (en) 1994-10-13
NO944697D0 (no) 1994-12-06
DE69402650D1 (de) 1997-05-22
BR9404893A (pt) 1999-06-15
DE69402650T2 (de) 1997-10-30
US5464501A (en) 1995-11-07
EP0644966B1 (en) 1997-04-16
JPH08501132A (ja) 1996-02-06
AU6565694A (en) 1994-10-24
NO944697L (no) 1995-02-06
AU670195B2 (en) 1996-07-04
FI945722L (fi) 1995-02-01
CA2137451A1 (en) 1994-10-13
NZ265258A (en) 1996-06-25
CA2137451C (en) 2001-07-24
EP0644966A1 (en) 1995-03-29
WO1994023118A3 (en) 1994-11-24
FI945722A7 (fi) 1995-02-01

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