BE1004974A3 - Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam. - Google Patents

Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam. Download PDF

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Publication number
BE1004974A3
BE1004974A3 BE9100549A BE9100549A BE1004974A3 BE 1004974 A3 BE1004974 A3 BE 1004974A3 BE 9100549 A BE9100549 A BE 9100549A BE 9100549 A BE9100549 A BE 9100549A BE 1004974 A3 BE1004974 A3 BE 1004974A3
Authority
BE
Belgium
Prior art keywords
pulp
treatment
ozone
delignification
alkaline
Prior art date
Application number
BE9100549A
Other languages
English (en)
French (fr)
Original Assignee
Interox Internat Sa
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
Priority to BE9100549A priority Critical patent/BE1004974A3/fr
Application filed by Interox Internat Sa filed Critical Interox Internat Sa
Priority to PCT/EP1992/001222 priority patent/WO1992021814A1/fr
Priority to EP92924472A priority patent/EP0587822B1/fr
Priority to AU18775/92A priority patent/AU651462B2/en
Priority to CA002110698A priority patent/CA2110698A1/fr
Priority to ES92924472T priority patent/ES2079209T3/es
Priority to JP4510141A priority patent/JPH06507683A/ja
Priority to BR9206112A priority patent/BR9206112A/pt
Priority to DE69204457T priority patent/DE69204457T2/de
Priority to AT92924472T priority patent/ATE127179T1/de
Priority to AR92322455A priority patent/AR247257A1/es
Priority to ZA924021A priority patent/ZA924021B/xx
Priority to NZ242996A priority patent/NZ242996A/xx
Priority to YU58792A priority patent/YU48264B/sh
Application granted granted Critical
Publication of BE1004974A3 publication Critical patent/BE1004974A3/fr
Priority to NO934406A priority patent/NO302129B1/no
Priority to FI935422A priority patent/FI935422A/fi

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)
BE9100549A 1991-06-06 1991-06-06 Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam. BE1004974A3 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
BE9100549A BE1004974A3 (fr) 1991-06-06 1991-06-06 Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam.
BR9206112A BR9206112A (pt) 1991-06-06 1992-06-01 Processo para o branqueamento e a deslignificação de uma pasta de papel químico por melo de uma sequência em três etapas de tratamento não empregando reativos clorados e sua aplicação
AU18775/92A AU651462B2 (en) 1991-06-06 1992-06-01 Bleaching and delignification of pulp
CA002110698A CA2110698A1 (fr) 1991-06-06 1992-06-01 Procede pour le blanchiment et la delignification de pates a papier chimiques
ES92924472T ES2079209T3 (es) 1991-06-06 1992-06-01 Procedimiento para el blanqueo y deslignificacion de pastas papeleras quimicas.
JP4510141A JPH06507683A (ja) 1991-06-06 1992-06-01 ケミカルペーパーパルプの漂白および脱リグニンのための方法およびクラフトパルプおよびａｓａｍパルプの漂白および脱リグニンのための本方法の使用
PCT/EP1992/001222 WO1992021814A1 (fr) 1991-06-06 1992-06-01 Procede pour blanchiment et la delignification de pates a papier chimiques
DE69204457T DE69204457T2 (de) 1991-06-06 1992-06-01 Verfahren zum bleichen und zur delignifizierung von chemischen papierzellstoffen.
AT92924472T ATE127179T1 (de) 1991-06-06 1992-06-01 Verfahren zum bleichen und zur delignifizierung von chemischen papierzellstoffen.
EP92924472A EP0587822B1 (fr) 1991-06-06 1992-06-01 Procede pour blanchiment et la delignification de pates a papier chimiques
AR92322455A AR247257A1 (es) 1991-06-06 1992-06-02 Procedimiento para el blanqueo y la deslignificacion de pastas de papel quimicas y aplicacion de este procedimiento al blanqueo y a la deslignificacion de las pastas kraft y de las pastas asam
ZA924021A ZA924021B (en) 1991-06-06 1992-06-02 Process for the bleaching and delignification of chemical paper pulps and application of this process to the bleaching and delignification of kraft pulps and of asam pulps
NZ242996A NZ242996A (en) 1991-06-06 1992-06-03 Process for bleaching and delignification of chemical paper pulp comprising treating in three stages with gaseous oxygen, then gaseous ozone and peroxymonosulphuric acid or its salts in either order; pulp produced thereby
YU58792A YU48264B (sh) 1991-06-06 1992-06-05 Postupak za beljenje i uklanjanje lignina iz hemijskih papirnih kasa
NO934406A NO302129B1 (no) 1991-06-06 1993-12-03 Fremgangsmåte for bleking og delignifisering av kjemisk papirmasse
FI935422A FI935422A (fi) 1991-06-06 1993-12-03 Foerfarande foer blekning och delignifiering av kemiska pappersmassor och anvaendning av foerfarandet vid blekning och delignifiering av sulfatmassor och asam-massor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9100549A BE1004974A3 (fr) 1991-06-06 1991-06-06 Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam.

Publications (1)

Publication Number Publication Date
BE1004974A3 true BE1004974A3 (fr) 1993-03-09

Family

ID=3885547

Family Applications (1)

Application Number Title Priority Date Filing Date
BE9100549A BE1004974A3 (fr) 1991-06-06 1991-06-06 Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam.

Country Status (16)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006881A3 (fr) * 1993-03-02 1995-01-17 Solvay Interox Procede pour la delignification d'une pate a papier chimique.
SE506480C2 (sv) * 1995-06-29 1997-12-22 Sca Graphic Res Ab Blekning av lignocellulosahaltigt fibermaterial med ozon och persyra i ett kombinationssteg
US5770011A (en) * 1995-11-17 1998-06-23 International Paper Company Neutral monoperoxysulfate bleaching process
FI964715A (fi) * 1996-11-26 1998-05-27 Keskuslaboratorio Menetelmä selluloosamassan valkaisemiseksi
EP0931874A1 (en) * 1998-01-22 1999-07-28 Degussa-Hüls Aktiengesellschaft Pulp bleaching process including final stage treatment step with salt of peroxymonosulfuric acid

Citations (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
EP0415149A2 (en) * 1989-08-18 1991-03-06 Degussa Aktiengesellschaft Process for bleaching and delignification of lignocellulosic materials

Patent Citations (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
EP0415149A2 (en) * 1989-08-18 1991-03-06 Degussa Aktiengesellschaft Process for bleaching and delignification of lignocellulosic materials

Also Published As

Publication number Publication date
ATE127179T1 (de) 1995-09-15
JPH06507683A (ja) 1994-09-01
YU48264B (sh) 1997-09-30
NO934406L (no) 1994-01-26
NZ242996A (en) 1995-01-27
NO934406D0 (no) 1993-12-03
CA2110698A1 (fr) 1992-12-10
DE69204457T2 (de) 1996-04-18
ZA924021B (en) 1993-02-24
DE69204457D1 (de) 1995-10-05
ES2079209T3 (es) 1996-01-01
AU651462B2 (en) 1994-07-21
BR9206112A (pt) 1995-10-10
YU58792A (sh) 1994-09-09
AR247257A1 (es) 1994-11-30
NO302129B1 (no) 1998-01-26
FI935422A (fi) 1994-01-11
WO1992021814A1 (fr) 1992-12-10
EP0587822A1 (fr) 1994-03-23
FI935422A0 (fi) 1993-12-03
EP0587822B1 (fr) 1995-08-30
AU1877592A (en) 1993-01-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOLVAY INTEROX

Effective date: 19970630