FI884881A7 - Pulp bleaching method - Google Patents

Pulp bleaching method Download PDF

Info

Publication number: FI884881A7
Authority: FI; Finland
Prior art keywords: pulp bleaching; bleaching method; pulp; bleaching
Prior art date: 1987-10-22

Application number

FI884881A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI884881A0 (en

FI884881L (en

Inventor

Dominique Lachenal

Jacques Kervennal

Francoise Chosson

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.)

1987-10-22

Filing date

1988-10-21

Publication date

1989-04-23

1988-10-21 Application filed by Atochem filed Critical Atochem

1988-10-21 Publication of FI884881A0 publication Critical patent/FI884881A0/en

1989-04-23 Publication of FI884881A7 publication Critical patent/FI884881A7/en

1989-04-23 Publication of FI884881L publication Critical patent/FI884881L/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
- D21C9/16—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)
Medicinal Preparation (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Detergent Compositions (AREA)

FI884881A 1987-10-22 1988-10-21 FOERFARANDE FOER BLEKNING AV MASS. FI884881L (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8714877A FR2622221A1 (en)	1987-10-22	1987-10-22	PROCESS FOR BLEACHING PASTA

Publications (3)

Publication Number	Publication Date
FI884881A0 FI884881A0 (en)	1988-10-21
FI884881A7 true FI884881A7 (en)	1989-04-23
FI884881L FI884881L (en)	1989-04-23

Family

ID=9356225

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI884881A FI884881L (en)	1987-10-22	1988-10-21	FOERFARANDE FOER BLEKNING AV MASS.

Country Status (10)

Country	Link
EP (1)	EP0313478A1 (en)
JP (1)	JPH0643674B2 (en)
AU (1)	AU615001B2 (en)
DE (1)	DE313478T1 (en)
ES (1)	ES2008654A4 (en)
FI (1)	FI884881L (en)
FR (1)	FR2622221A1 (en)
NO (1)	NO170348C (en)
NZ (1)	NZ226649A (en)
PT (1)	PT88819B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2661430B1 (en) *	1990-04-30	1992-07-17	Atochem	HIGH-YIELD PAPER PULP HYDROGEN PEROXIDE BLEACHING PROCESS.
US5118389A (en) *	1990-07-06	1992-06-02	Ici Canada Inc.	Two-stage peroxide bleaching process using different amounts of peroxide on different portions of mechanical pulp
CA2063351C (en) *	1992-03-18	1996-08-13	Stanley Alan Heimburger	Process for bleaching hardwood pulp
US6605181B1 (en) *	1993-10-01	2003-08-12	Kvaerner Pulping Aktiebolag	Peroxide bleach sequence including an acidic bleach stage and including a wash stage
ATE165636T1 (en) *	1993-10-26	1998-05-15	Akzo Nobel Nv	AMINOALKAN-DIPHOSPHONIC ACIDS FOR BLEACHING PULP
KR102777955B1 (en) *	2022-02-04	2025-03-11	대한민국	Bleaching method for thermomechanical pulp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5679798A (en) *	1979-12-03	1981-06-30	Mitsubishi Gas Chemical Co	Production of bleaching machine pulp
JPS5891884A (en) *	1981-11-27	1983-05-31	工業技術院長	Production of high whiteness unbleached pulp
SE451606B (en) *	1982-09-14	1987-10-19	Sca Development Ab	VIEW WHITENING OF HOG REPLACEMENT MASSES AVERAGE PEROXIDES
CA1249402A (en) *	1984-12-21	1989-01-31	Pulp And Paper Research Institute Of Canada	Multistage brightening of high yield and ultra high- yield wood pulps
SE8600615L (en) *	1985-02-15	1986-08-16	Kamyr Ab	HIGH LIGHTNESS ASTADCOMMATED BY BLACKING OF MECHANICAL MASS, SUCH AS CHEMICAL-MECHANICAL MASS (CMP), CHEMICAL-THERMAL-MECHANICAL MASS (CTMP) AND SIMILAR
FR2582692B1 (en) *	1985-05-29	1987-12-11	Atochem	TREATMENT OF CHEMICAL PAPER PULP WITH HYDROGEN PEROXIDE FOR BLEACHING
FR2593527B1 (en) *	1986-01-30	1988-03-25	Centre Tech Ind Papier	PROCESS FOR BLEACHING MECHANICAL PASTA.

1987
- 1987-10-22 FR FR8714877A patent/FR2622221A1/en not_active Withdrawn
1988
- 1988-10-06 DE DE198888420339T patent/DE313478T1/en active Pending
- 1988-10-06 EP EP19880420339 patent/EP0313478A1/en not_active Withdrawn
- 1988-10-06 ES ES88420339T patent/ES2008654A4/en active Pending
- 1988-10-20 JP JP63265221A patent/JPH0643674B2/en not_active Expired - Lifetime
- 1988-10-20 NZ NZ226649A patent/NZ226649A/en unknown
- 1988-10-20 NO NO884674A patent/NO170348C/en unknown
- 1988-10-21 FI FI884881A patent/FI884881L/en not_active Application Discontinuation
- 1988-10-21 AU AU24130/88A patent/AU615001B2/en not_active Ceased
- 1988-10-21 PT PT88819A patent/PT88819B/en active IP Right Grant

Also Published As

Publication number	Publication date
FI884881A0 (en)	1988-10-21
JPH01124696A (en)	1989-05-17
DE313478T1 (en)	1989-10-05
FR2622221A1 (en)	1989-04-28
NZ226649A (en)	1989-10-27
AU2413088A (en)	1989-04-27
NO884674L (en)	1989-04-24
JPH0643674B2 (en)	1994-06-08
EP0313478A1 (en)	1989-04-26
FI884881L (en)	1989-04-23
NO170348C (en)	1992-10-07
ES2008654A4 (en)	1989-08-01
NO170348B (en)	1992-06-29
NO884674D0 (en)	1988-10-20
AU615001B2 (en)	1991-09-19
PT88819B (en)	1993-01-29

Publication	Publication Date	Title
DK451488A (en)	1989-02-15	BLEACH
DK255288D0 (en)	1988-05-10	Encapsulated bleach
FI906303A7 (en)	1990-12-20	Papermaking method
FI102194B1 (en)	1998-10-30	Method for bleaching pulp without chlorine
FI890772L (en)	1989-02-17	Bleaching method
DE3882803D1 (en)	1993-09-09	POLYAETHYLENE PULP.
FI890700L (en)	1990-08-15	Method for bleaching cellulose pulp
FI92414B (en)	1994-07-29	Method for making pulp
FI906400L (en)	1991-06-30	Pulp bleaching method
FI881544L (en)	1988-10-03	Method for preparing mechanical pulp
FI911963A7 (en)	1991-10-26	Method for bleaching pulp
FI931710A7 (en)	1993-10-16	Method for bleaching de-inked pulp
FI904456A7 (en)	1991-03-13	Method for bleaching pulp
FI895397A0 (en)	1989-11-13	Headbox
FI884881A7 (en)	1989-04-23	Pulp bleaching method
SE8800607A0 (en)	1988-08-24	Headbox
FI905954A7 (en)	1992-06-04	Method for bleaching cellulose pulp
FI915070A7 (en)	1992-05-10	Pulp bleaching solution
FI906401A0 (en)	1990-12-27	Pulp bleaching method
FI884558A7 (en)	1989-04-06	Method for bleaching mechanical pulp.
FI882448L (en)	1988-11-26	Method for preparing bleached chemithermomechanical pulp
PT87765A (en)	1989-05-31	KONTINUIERLICH VARIABLES LASERSTRAHL-DAEMPFUNGSGLIED
FI881930A7 (en)	1988-04-25	Pulp bleaching method.
FI905456A7 (en)	1992-05-03	Method for bleaching cellulose pulp
FI883851L (en)	1988-08-19	Method for washing alkaline pulp

Legal Events

Date	Code	Title	Description
1993-12-16	FD	Application lapsed
2004-08-31	FD	Application lapsed	Owner name: ATOCHEM