ES2079209T3 - PROCEDURE FOR THE BLEACHING AND DE-LIGNIFICATION OF CHEMICAL PAPER MACHINES. - Google Patents

PROCEDURE FOR THE BLEACHING AND DE-LIGNIFICATION OF CHEMICAL PAPER MACHINES.

Info

Publication number
ES2079209T3
ES2079209T3 ES92924472T ES92924472T ES2079209T3 ES 2079209 T3 ES2079209 T3 ES 2079209T3 ES 92924472 T ES92924472 T ES 92924472T ES 92924472 T ES92924472 T ES 92924472T ES 2079209 T3 ES2079209 T3 ES 2079209T3
Authority
ES
Spain
Prior art keywords
lignification
bleaching
procedure
chemical paper
paper machines
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.)
Expired - Fee Related
Application number
ES92924472T
Other languages
Spanish (es)
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
Application granted granted Critical
Publication of ES2079209T3 publication Critical patent/ES2079209T3/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)

Abstract

PROCESO PARA EL BLANQUEO Y LA DESLIGNIFICACION DE UNA PASTA DE PAPEL QUIMICA CONSISTENTE EN SOMETER LA PASTA A UN TRATAMIENTO DE TRES ETAPAS QUE COMPRENDE UNA PRIMERA ETAPA POR MEDIO DE OXIGENO GASEOSO SEGUIDA POR DOS ETAPAS CON, RESPECTIVAMENTE Y EN UN ORDEN INDIFERENTE, OZONO GASEOSO Y ACIDO PEROXIMONOSULFURICO O UNA DE SUS SALES.PROCESS FOR THE BLEACHING AND THE DE-LIGNIFICATION OF A CHEMICAL PAPER PULP CONSISTING IN SUBMITTING THE PULP TO A THREE-STAGE TREATMENT THAT INCLUDES A FIRST STAGE THROUGH TWO STAGES WITH, RESPECTIVELY AND IN AN INDEPENDENT ORDER, PEROXIMONOSULFURIC ACID OR ONE OF ITS SALTS.

ES92924472T 1991-06-06 1992-06-01 PROCEDURE FOR THE BLEACHING AND DE-LIGNIFICATION OF CHEMICAL PAPER MACHINES. Expired - Fee Related ES2079209T3 (en)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
ES2079209T3 true ES2079209T3 (en) 1996-01-01

Family

ID=3885547

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92924472T Expired - Fee Related ES2079209T3 (en) 1991-06-06 1992-06-01 PROCEDURE FOR THE BLEACHING AND DE-LIGNIFICATION OF CHEMICAL PAPER MACHINES.

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) FI935422L (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
FI964715L (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
EP0587822B1 (en) 1995-08-30
DE69204457D1 (en) 1995-10-05
NO934406D0 (en) 1993-12-03
FI935422A0 (en) 1993-12-03
ATE127179T1 (en) 1995-09-15
YU48264B (en) 1997-09-30
AR247257A1 (en) 1994-11-30
EP0587822A1 (en) 1994-03-23
AU1877592A (en) 1993-01-08
YU58792A (en) 1994-09-09
NO302129B1 (en) 1998-01-26
AU651462B2 (en) 1994-07-21
BR9206112A (en) 1995-10-10
CA2110698A1 (en) 1992-12-10
NO934406L (en) 1994-01-26
WO1992021814A1 (en) 1992-12-10
ZA924021B (en) 1993-02-24
BE1004974A3 (en) 1993-03-09
JPH06507683A (en) 1994-09-01
DE69204457T2 (en) 1996-04-18
FI935422A7 (en) 1994-01-11
NZ242996A (en) 1995-01-27
FI935422L (en) 1994-01-11

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