BR9407457A - Process for the preparation of a targeted pulp having a certain luster and a certain resistance as indicated by a certain viscosity - Google Patents

Process for the preparation of a targeted pulp having a certain luster and a certain resistance as indicated by a certain viscosity

Info

Publication number
BR9407457A
BR9407457A BR9407457A BR9407457A BR9407457A BR 9407457 A BR9407457 A BR 9407457A BR 9407457 A BR9407457 A BR 9407457A BR 9407457 A BR9407457 A BR 9407457A BR 9407457 A BR9407457 A BR 9407457A
Authority
BR
Brazil
Prior art keywords
certain
indicated
preparation
luster
viscosity
Prior art date
Application number
BR9407457A
Other languages
Portuguese (pt)
Inventor
Spencer W Eachus
Omar F Ali
George Pangalos
Bruce F Griggs
Thomas P Gandek
Michael A Pikulin
Allen Rosen
Original Assignee
Union Camp Patent Holding
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 Union Camp Patent Holding filed Critical Union Camp Patent Holding
Publication of BR9407457A publication Critical patent/BR9407457A/en

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
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR9407457A 1993-09-03 1994-09-01 Process for the preparation of a targeted pulp having a certain luster and a certain resistance as indicated by a certain viscosity BR9407457A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11677693A 1993-09-03 1993-09-03
PCT/US1994/010050 WO1995006773A1 (en) 1993-09-03 1994-09-01 Medium consistency ozone brightening of high consistency ozone bleached pulp

Publications (1)

Publication Number Publication Date
BR9407457A true BR9407457A (en) 1996-11-12

Family

ID=22369146

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9407457A BR9407457A (en) 1993-09-03 1994-09-01 Process for the preparation of a targeted pulp having a certain luster and a certain resistance as indicated by a certain viscosity

Country Status (8)

Country Link
EP (1) EP0717800A4 (en)
AU (1) AU7721694A (en)
BR (1) BR9407457A (en)
CA (1) CA2170733A1 (en)
FI (1) FI960973A (en)
SE (1) SE9600773L (en)
WO (1) WO1995006773A1 (en)
ZA (1) ZA946807B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2382592A (en) * 2001-11-30 2003-06-04 Sca Hygiene Prod Gmbh Use of ozone to enhance the wet strength of fibrous cellulosic material
GB2391011A (en) * 2002-07-19 2004-01-28 Crosmill Ltd Bleaching cellulose suspensions
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
FR3007044B1 (en) * 2013-06-13 2016-01-15 Air Liquide PROCESS FOR TREATING CHEMICAL PAPER PASTES BY OZONE TREATMENT IN THE PRESENCE OF MAGNESIUM IONS

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
DE402335T1 (en) * 1989-06-06 1992-04-09 Eka Nobel Ab, Surte, Se METHOD FOR BLEACHING LIGNOCELLULOSE-CONTAINING CELLS.
AU636173B2 (en) * 1989-10-30 1993-04-22 Lenzing Aktiengesellschaft Method for the chlorine-free bleaching of pulps
ATE122421T1 (en) * 1990-05-17 1995-05-15 Union Camp Patent Holding MORE ENVIRONMENTALLY FRIENDLY PROCESS FOR BLEACHING LIGNOCELLULOSIC MATERIALS.
US5328564A (en) * 1990-09-17 1994-07-12 Kamyr, Inc. Modified digestion of paper pulp followed by ozone bleaching
CA2089516A1 (en) * 1992-02-21 1993-08-22 Kaj Henricson Chlorine free pulping and bleaching sequence

Also Published As

Publication number Publication date
SE9600773L (en) 1996-04-18
EP0717800A4 (en) 1998-10-28
SE9600773D0 (en) 1996-02-28
EP0717800A1 (en) 1996-06-26
FI960973A0 (en) 1996-03-01
WO1995006773A1 (en) 1995-03-09
AU7721694A (en) 1995-03-22
CA2170733A1 (en) 1995-03-09
ZA946807B (en) 1995-06-28
FI960973A (en) 1996-04-30

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law