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YU58792A - PROCEDURE FOR BLEACHING AND REMOVAL OF LIGNIN FROM CHEMICAL PAPER PULPES AND APPLICATION OF THIS PROCEDURE TO BLEACHING AND REMOVAL OF LIGNINE FROM KRAFT AND ASAM PAPER PULP - Google Patents

PROCEDURE FOR BLEACHING AND REMOVAL OF LIGNIN FROM CHEMICAL PAPER PULPES AND APPLICATION OF THIS PROCEDURE TO BLEACHING AND REMOVAL OF LIGNINE FROM KRAFT AND ASAM PAPER PULP

Info

Publication number
YU58792A
YU58792A YU58792A YU58792A YU58792A YU 58792 A YU58792 A YU 58792A YU 58792 A YU58792 A YU 58792A YU 58792 A YU58792 A YU 58792A YU 58792 A YU58792 A YU 58792A
Authority
YU
Yugoslavia
Prior art keywords
bleaching
removal
procedure
paper
lignine
Prior art date
Application number
YU58792A
Other languages
Serbo-Croatian (sh)
Other versions
YU48264B (en
Inventor
M. Hammann
Original Assignee
Interox International (Societe 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 Interox International (Societe Anonyme) filed Critical Interox International (Societe Anonyme)
Publication of YU58792A publication Critical patent/YU58792A/en
Publication of YU48264B publication Critical patent/YU48264B/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
    • D21C9/1057—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

POSTUPAK ZA BELJENJE I UKLANJANJE LIGNINA IZ HEMIJSKIH PAPIRNIH KAŠA I PRIMENA TOG POSTUPKA NA BELJENJE I UKLANJANJE LIGNINA IZ KAŠA ZA KRAFT I ZA ASAM PAPIR, postupak za beljenje i uklanjanje lignina iz hemijske papirne kaše, koji obuhvata podvrgavanje kaše obradi u tri faze koje obuhvataju prvu fazu obrade gasovitim kiseonikom zatim dve faze obrade, po proizvoljnom redosledu, gasovitim ozonom i monopersumpornom kiselinom ili jednom od njenih soli.PROCESS FOR BLEACHING AND REMOVAL OF LIGNINE FROM CHEMICAL PAPER PULPES AND APPLICATION OF THIS PROCEDURE TO BLEACHING AND REMOVAL OF LIGNINE FROM KRAFT PAPERS AND ASAM PAPER, a process for bleaching and removing lignin from chemical pulp, comprising an oxygen gas treatment phase followed by two treatment phases, in any order, of ozone gas and monopersulfuric acid or one of its salts.

YU58792A 1991-06-06 1992-06-05 PROCEDURE FOR BLEACHING AND REMOVING LIGNIN FROM CHEMICAL PAPER CASH YU48264B (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 (2)

Publication Number Publication Date
YU58792A true YU58792A (en) 1994-09-09
YU48264B YU48264B (en) 1997-09-30

Family

ID=3885547

Family Applications (1)

Application Number Title Priority Date Filing Date
YU58792A YU48264B (en) 1991-06-06 1992-06-05 PROCEDURE FOR BLEACHING AND REMOVING LIGNIN FROM CHEMICAL PAPER CASH

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
DE69204457T2 (en) 1996-04-18
FI935422A0 (en) 1993-12-03
YU48264B (en) 1997-09-30
BR9206112A (en) 1995-10-10
FI935422A (en) 1994-01-11
JPH06507683A (en) 1994-09-01
EP0587822A1 (en) 1994-03-23
ES2079209T3 (en) 1996-01-01
DE69204457D1 (en) 1995-10-05
NZ242996A (en) 1995-01-27
ZA924021B (en) 1993-02-24
WO1992021814A1 (en) 1992-12-10
NO302129B1 (en) 1998-01-26
AR247257A1 (en) 1994-11-30
ATE127179T1 (en) 1995-09-15
AU651462B2 (en) 1994-07-21
AU1877592A (en) 1993-01-08
NO934406D0 (en) 1993-12-03
CA2110698A1 (en) 1992-12-10
EP0587822B1 (en) 1995-08-30
BE1004974A3 (en) 1993-03-09
NO934406L (en) 1994-01-26

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