AU1877592A - Bleaching and delignification of pulp - Google Patents

Bleaching and delignification of pulp

Info

Publication number
AU1877592A
AU1877592A AU18775/92A AU1877592A AU1877592A AU 1877592 A AU1877592 A AU 1877592A AU 18775/92 A AU18775/92 A AU 18775/92A AU 1877592 A AU1877592 A AU 1877592A AU 1877592 A AU1877592 A AU 1877592A
Authority
AU
Australia
Prior art keywords
delignification
bleaching
pulp
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.)
Granted
Application number
AU18775/92A
Other versions
AU651462B2 (en
Inventor
Maria Hammann
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.)
SOLVAY INTEROX
Original Assignee
SOLVAY INTEROX
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 SOLVAY INTEROX filed Critical SOLVAY INTEROX
Publication of AU1877592A publication Critical patent/AU1877592A/en
Application granted granted Critical
Publication of AU651462B2 publication Critical patent/AU651462B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • D21C9/1057—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
    • D21C9/147—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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU18775/92A 1991-06-06 1992-06-01 Bleaching and delignification of pulp Ceased AU651462B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9100549A BE1004974A3 (en) 1991-06-06 1991-06-06 Method for laundering and pasta delignification paper chemicals and application this method of laundering and the delignification of kraft pulp and pulp asam.
BE9100549 1991-06-06
PCT/EP1992/001222 WO1992021814A1 (en) 1991-06-06 1992-06-01 Process for bleaching and delignifying chemical paper pulp

Publications (2)

Publication Number Publication Date
AU1877592A true AU1877592A (en) 1993-01-08
AU651462B2 AU651462B2 (en) 1994-07-21

Family

ID=3885547

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18775/92A Ceased AU651462B2 (en) 1991-06-06 1992-06-01 Bleaching and delignification of pulp

Country Status (16)

Country Link
EP (1) EP0587822B1 (en)
JP (1) JPH06507683A (en)
AR (1) AR247257A1 (en)
AT (1) ATE127179T1 (en)
AU (1) AU651462B2 (en)
BE (1) BE1004974A3 (en)
BR (1) BR9206112A (en)
CA (1) CA2110698A1 (en)
DE (1) DE69204457T2 (en)
ES (1) ES2079209T3 (en)
FI (1) FI935422A (en)
NO (1) NO302129B1 (en)
NZ (1) NZ242996A (en)
WO (1) WO1992021814A1 (en)
YU (1) YU48264B (en)
ZA (1) ZA924021B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006881A3 (en) * 1993-03-02 1995-01-17 Solvay Interox Method for delignification of chemical pulp.
SE506480C2 (en) * 1995-06-29 1997-12-22 Sca Graphic Res Ab Bleaching of lignocellulosic fibrous material with ozone and peracid in a combination step
US5770011A (en) * 1995-11-17 1998-06-23 International Paper Company Neutral monoperoxysulfate bleaching process
FI964715A (en) * 1996-11-26 1998-05-27 Keskuslaboratorio Method for bleaching cellulose pulp
EP0931874A1 (en) * 1998-01-22 1999-07-28 Degussa-Hüls Aktiengesellschaft Pulp bleaching process including final stage treatment step with salt of peroxymonosulfuric acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic

Also Published As

Publication number Publication date
ATE127179T1 (en) 1995-09-15
YU58792A (en) 1994-09-09
NZ242996A (en) 1995-01-27
FI935422A (en) 1994-01-11
WO1992021814A1 (en) 1992-12-10
AR247257A1 (en) 1994-11-30
ZA924021B (en) 1993-02-24
YU48264B (en) 1997-09-30
FI935422A0 (en) 1993-12-03
ES2079209T3 (en) 1996-01-01
AU651462B2 (en) 1994-07-21
NO302129B1 (en) 1998-01-26
NO934406D0 (en) 1993-12-03
DE69204457T2 (en) 1996-04-18
DE69204457D1 (en) 1995-10-05
NO934406L (en) 1994-01-26
CA2110698A1 (en) 1992-12-10
EP0587822B1 (en) 1995-08-30
JPH06507683A (en) 1994-09-01
EP0587822A1 (en) 1994-03-23
BE1004974A3 (en) 1993-03-09
BR9206112A (en) 1995-10-10

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