FI912073A0 - Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun - Google Patents

Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun

Info

Publication number: FI912073A0
Authority: FI; Finland
Prior art keywords: hydrogen peroxide; high yield; paper pulp; peroxide bleaching; yield paper
Prior art date: 1990-04-30

Application number

FI912073A

Other languages

English (en)

Swedish (sv)

Other versions

FI99153B (fi

FI912073A (fi

FI99153C (fi

Inventor

Dominique Lachenal

Original Assignee

Atochem

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.)

1990-04-30

Filing date

1991-04-29

Publication date

1991-04-29

1991-04-29 Application filed by Atochem filed Critical Atochem

1991-04-29 Publication of FI912073A0 publication Critical patent/FI912073A0/fi

1991-10-31 Publication of FI912073A publication Critical patent/FI912073A/fi

1997-06-30 Publication of FI99153B publication Critical patent/FI99153B/fi

1997-10-10 Application granted granted Critical

1997-10-10 Publication of FI99153C publication Critical patent/FI99153C/fi

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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Detergent Compositions (AREA)

FI912073A 1990-04-30 1991-04-29 Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun FI99153C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR9005748A FR2661430B1 (fr)	1990-04-30	1990-04-30	Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement.
FR9005748		1990-04-30

Publications (4)

Publication Number	Publication Date
FI912073A0 true FI912073A0 (fi)	1991-04-29
FI912073A FI912073A (fi)	1991-10-31
FI99153B FI99153B (fi)	1997-06-30
FI99153C FI99153C (fi)	1997-10-10

Family

ID=9396410

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI912073A FI99153C (fi)	1990-04-30	1991-04-29	Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun

Country Status (11)

Country	Link
US (1)	US5169495A (fi)
EP (1)	EP0514608B1 (fi)
JP (1)	JPH0726352B2 (fi)
AU (1)	AU640775B2 (fi)
CA (1)	CA2041388C (fi)
ES (1)	ES2057804T3 (fi)
FI (1)	FI99153C (fi)
FR (1)	FR2661430B1 (fi)
NO (1)	NO177606C (fi)
NZ (1)	NZ237979A (fi)
PT (1)	PT97513B (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2661431B1 (fr) *	1990-04-30	1992-07-17	Atochem	Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement.
FR2661430B1 (fr) *	1990-04-30	1992-07-17	Atochem	Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement.
ZA955190B (en) *	1994-07-11	1996-03-14	Ingersoll Rand Co	Method for bleaching wood pulp using hydrogen peroxide
ZA955290B (en) *	1994-07-11	1996-12-27	Ingersoll Rand Co	Peroxide bleaching process for cellulosic and lignocellulosic material
US5620563A (en) *	1994-10-31	1997-04-15	Pulp Paper Res Inst	Process for delignification and bleaching of chemical wood pulps with hydrogen peroxide and a dicyandiamide activator
AU1357097A (en) *	1996-02-27	1997-09-16	Tetra Laval Holdings & Finance Sa	Process for sanitizing post-consumer paper fibers and product formed therefrom
JP2003514127A (ja) *	1997-09-05	2003-04-15	アメリカ合衆国	脱リグニン及び廃棄物鉱化用遷移金属置換タングストアルミネート錯体
US7001484B2 (en)	2000-05-04	2006-02-21	University Of New Brunswick	Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
US7297225B2 (en) *	2004-06-22	2007-11-20	Georgia-Pacific Consumer Products Lp	Process for high temperature peroxide bleaching of pulp with cool discharge
FR3007044B1 (fr) *	2013-06-13	2016-01-15	Air Liquide	Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium
US11591751B2 (en)	2019-09-17	2023-02-28	Gpcp Ip Holdings Llc	High efficiency fiber bleaching process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE387977B (sv) *	1975-01-27	1976-09-20	Elektrokemiska Ab	Sett att framstella blekt, mekanisk massa med hog styrka och ljushet
JPS5721591A (en) *	1980-07-11	1982-02-04	Mitsubishi Gas Chemical Co	Peroxide bleaching of wood pulp
JPS5725492A (en) *	1980-07-16	1982-02-10	Mitsubishi Gas Chemical Co	Hydrogen peroxide refiner bleaching of high yield pulp
SE451606B (sv) *	1982-09-14	1987-10-19	Sca Development Ab	Sett vid blekning av hogutbytesmassor medelst peroxider
FR2613388B1 (fr) *	1987-04-02	1990-05-04	Atochem	Procede de blanchiment de pates
FR2622221A1 (fr) *	1987-10-22	1989-04-28	Atochem	Procede de blanchiment de pates
FR2661430B1 (fr) *	1990-04-30	1992-07-17	Atochem	Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement.

1990
- 1990-04-30 FR FR9005748A patent/FR2661430B1/fr not_active Expired - Lifetime
1991
- 1991-04-16 NO NO911490A patent/NO177606C/no not_active IP Right Cessation
- 1991-04-25 JP JP3095601A patent/JPH0726352B2/ja not_active Expired - Lifetime
- 1991-04-29 FI FI912073A patent/FI99153C/fi active
- 1991-04-29 AU AU76071/91A patent/AU640775B2/en not_active Ceased
- 1991-04-29 NZ NZ237979A patent/NZ237979A/xx unknown
- 1991-04-29 CA CA002041388A patent/CA2041388C/fr not_active Expired - Fee Related
- 1991-04-29 PT PT97513A patent/PT97513B/pt not_active IP Right Cessation
- 1991-04-30 US US07/693,629 patent/US5169495A/en not_active Expired - Fee Related
- 1991-05-22 EP EP91401316A patent/EP0514608B1/fr not_active Expired - Lifetime
- 1991-05-22 ES ES91401316T patent/ES2057804T3/es not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH0726352B2 (ja)	1995-03-22
US5169495A (en)	1992-12-08
FI99153B (fi)	1997-06-30
EP0514608B1 (fr)	1994-08-10
JPH04228692A (ja)	1992-08-18
PT97513B (pt)	1998-08-31
NZ237979A (en)	1993-04-28
PT97513A (pt)	1992-01-31
NO177606B (no)	1995-07-10
FI912073A (fi)	1991-10-31
NO911490L (no)	1991-10-31
AU7607191A (en)	1991-11-07
CA2041388C (fr)	1999-09-28
AU640775B2 (en)	1993-09-02
NO911490D0 (no)	1991-04-16
FR2661430A1 (fr)	1991-10-31
CA2041388A1 (fr)	1991-10-31
NO177606C (no)	1995-10-18
EP0514608A1 (fr)	1992-11-25
ES2057804T3 (es)	1994-10-16
FI99153C (fi)	1997-10-10
FR2661430B1 (fr)	1992-07-17

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FI912073A0 (fi)	1991-04-29	Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun
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Legal Events

Date	Code	Title	Description
1997-06-02	BB	Publication of examined application