NZ242996A - 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 - Google Patents

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

Info

Publication number: NZ242996A
Authority: NZ; New Zealand
Prior art keywords: gaseous; pulp; delignification; bleaching; stages
Prior art date: 1991-06-06

Application number

NZ242996A

Inventor

Maria Hammann

Original Assignee

Interox Int 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.)

1991-06-06

Filing date

1992-06-03

Publication date

1995-01-27

1992-06-03 Application filed by Interox Int Sa filed Critical Interox Int Sa

1995-01-27 Publication of NZ242996A publication Critical patent/NZ242996A/en

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)

NZ242996A 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 NZ242996A (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
NZ242996A true NZ242996A (en)	1995-01-27

Family

ID=3885547

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
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

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

1991
- 1991-06-06 BE BE9100549A patent/BE1004974A3/en not_active IP Right Cessation
1992
- 1992-06-01 AT AT92924472T patent/ATE127179T1/en not_active IP Right Cessation
- 1992-06-01 CA CA002110698A patent/CA2110698A1/en not_active Abandoned
- 1992-06-01 DE DE69204457T patent/DE69204457T2/en not_active Expired - Fee Related
- 1992-06-01 WO PCT/EP1992/001222 patent/WO1992021814A1/en active IP Right Grant
- 1992-06-01 BR BR9206112A patent/BR9206112A/en not_active Application Discontinuation
- 1992-06-01 AU AU18775/92A patent/AU651462B2/en not_active Ceased
- 1992-06-01 JP JP4510141A patent/JPH06507683A/en active Pending
- 1992-06-01 ES ES92924472T patent/ES2079209T3/en not_active Expired - Fee Related
- 1992-06-01 EP EP92924472A patent/EP0587822B1/en not_active Expired - Lifetime
- 1992-06-02 AR AR92322455A patent/AR247257A1/en active
- 1992-06-02 ZA ZA924021A patent/ZA924021B/en unknown
- 1992-06-03 NZ NZ242996A patent/NZ242996A/en unknown
- 1992-06-05 YU YU58792A patent/YU48264B/en unknown
1993
- 1993-12-03 FI FI935422A patent/FI935422A/en unknown
- 1993-12-03 NO NO934406A patent/NO302129B1/en unknown

Also Published As

Publication number	Publication date
DE69204457T2 (en)	1996-04-18
FI935422A0 (en)	1993-12-03
YU58792A (en)	1994-09-09
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
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

Publication	Publication Date	Title
ES2096441T3 (en)	1997-03-01	PROCEDURE TO DE-LIGNIFY PASTA CONTAINING LIGNOCELLULOSE.
ATE48290T1 (en)	1989-12-15	PROCESSES FOR DELIGNIFICATION AND BLEACHING OF PULP.
FR2457339B1 (en)	1982-09-17
FI940412A (en)	1994-07-29	Oxygen / ozone / peracetic acid delignification and bleaching of cellulose pulp
FI890700A (en)	1990-08-15	Method for bleaching cellulose pulp
NO864983L (en)	1987-06-17	PROCEDURE FOR THE WHEATING AND DELIGNIFICATION OF PRODUCTS CONTAINING CHEMICAL MASS.
NZ242996A (en)	1995-01-27	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
FI99152B (en)	1997-06-30	With hydrogen peroxide enhanced oxygen delignification
YU23892A (en)	1994-06-10	PROCESS FOR BLEACHING CHEMICAL PAPER PAPER AND APPLICATION OF THIS PROCEDURE FOR BLEACHING KRAFT PULP
BR9303032A (en)	1994-03-01	PROCESS FOR THE TREATMENT OF WATER PROCESS SOLUTIONS, PROCESS TO IMPROVE THE STABILITY OF HYDROGEN PEROXIDE INTRODUCED IN A WATER PROCESSING SOLUTION, MULTI-STAGE PROCESS FOR THE WATER PULP TREATMENT AND PROCESS FOR TREATING THERMAL TREATMENT.
DE3461941D1 (en)	1987-02-12	Hypochlorite treatment of chemical paper pulps
SE9401628L (en)	1995-11-11	Oxygen delignification procedure
ES2000019A4 (en)	1987-09-16	BLEACHING PROCEDURE FOR CHEMICAL BINS.
SE9903417D0 (en)	1999-09-22	A process for the production of sulphate pulp
NO984593L (en)	1999-04-06	Method of Bleaching Chemical Pulp
NO920829L (en)	1992-09-09	PROCEDURE FOR THE WHICH OF CHEMICAL MASS IN ALIFATIC MONOCARBOXYL ACIDS