FR2537177B1 - Procede pour le blanchiment de produits contenant de la cellulose - Google Patents

Procede pour le blanchiment de produits contenant de la cellulose

Info

Publication number: FR2537177B1
Authority: FR; France
Prior art keywords: bleaching; products containing; containing cellulose; cellulose; products
Prior art date: 1982-09-14
Legal status (The legal status 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 status listed.): Expired

Application number

FR8313764A

Other languages

English (en)

Other versions

FR2537177A1 (fr

Inventor

Tjell-Ake Hagglund

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

SCA Development AB

Original Assignee

SCA Development AB

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.)

1982-09-14

Filing date

1983-08-26

Publication date

1986-02-21

1983-08-26 Application filed by SCA Development AB filed Critical SCA Development AB

1984-06-08 Publication of FR2537177A1 publication Critical patent/FR2537177A1/fr

1986-02-21 Application granted granted Critical

1986-02-21 Publication of FR2537177B1 publication Critical patent/FR2537177B1/fr

Status Expired legal-status Critical Current

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)
Compositions Of Macromolecular Compounds (AREA)
Conductive Materials (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

FR8313764A 1982-09-14 1983-08-26 Procede pour le blanchiment de produits contenant de la cellulose Expired FR2537177B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8205241A SE451606B (sv)	1982-09-14	1982-09-14	Sett vid blekning av hogutbytesmassor medelst peroxider

Publications (2)

Publication Number	Publication Date
FR2537177A1 FR2537177A1 (fr)	1984-06-08
FR2537177B1 true FR2537177B1 (fr)	1986-02-21

Family

ID=20347840

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8313764A Expired FR2537177B1 (fr)	1982-09-14	1983-08-26	Procede pour le blanchiment de produits contenant de la cellulose

Country Status (9)

Country	Link
JP (1)	JPS5966589A (fr)
AU (1)	AU554072B2 (fr)
DE (1)	DE3333219C2 (fr)
FI (1)	FI74054B (fr)
FR (1)	FR2537177B1 (fr)
IT (1)	IT1170488B (fr)
NL (1)	NL8303159A (fr)
NO (1)	NO833282L (fr)
SE (1)	SE451606B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1249402A (fr) *	1984-12-21	1989-01-31	Pulp And Paper Research Institute Of Canada	Avivage multi-etage des pates a fort et tres fort rendement
FR2582692B1 (fr) *	1985-05-29	1987-12-11	Atochem	Traitement de pates papetieres chimiques par le peroxyde d'hydrogene en vue de leur blanchiment
FR2593527B1 (fr) *	1986-01-30	1988-03-25	Centre Tech Ind Papier	Procede de blanchiment des pates mecaniques.
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.
FR2661431B1 (fr) *	1990-04-30	1992-07-17	Atochem	Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2008603A (en) *	1931-09-17	1935-07-16	Thorne Carl Busch	Apparatus for refining pulp and the like
DE1203592B (de) *	1962-02-23	1965-10-21	Rudolf Bott Dipl Ing	Verfahren zum Bleichen von cellulosehaltigen Faserstoffen
GB1106842A (en) *	1965-01-25	1968-03-20	Electric Reduction Co	Manufacture of cellulosic pulp
FR1524581A (fr) *	1966-05-25	1968-05-10	Solvay	Procédé de réglage de la blancheur d'une pâte cellulosique traitée par le peroxyde d'hydrogène ou un produit similaire
DE2219505C3 (de) *	1972-04-21	1974-10-17	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Chlorfreie Mehrstufenbleiche von Zellstoff
DE2219504C2 (de) *	1972-04-21	1974-10-03	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Mehrstufenbleiche von Zellstoffen mit erheblich reduziertem Chloreinsatz
SE390178B (sv) *	1974-09-04	1976-12-06	Sunds Ab	Sett vid blekning av lignocellulosahaltigt material med en kombination av gasfasklorering och ett system for fortrengningsblekning innehallande klordioxid
SE415581B (sv) *	1977-04-18	1980-10-13	Mo Och Domsjoe Ab	Forfarande for perocidblekning av hogutbytesmassa
SE420329C (sv) *	1978-02-16	1984-10-15	Mo Och Domsjoe Ab	Forfarande for framstellning av slipmassa vid overtryck
JPS5545806A (en) *	1978-09-21	1980-03-31	Oji Paper Co	Peroxide bleaching method of wood pulp
CA1151363A (fr) *	1979-04-17	1983-08-09	Henri Lemoyne	Methode de defibrage de la pate chimique non blanchie
JPS5721591A (en) *	1980-07-11	1982-02-04	Mitsubishi Gas Chemical Co	Peroxide bleaching of wood pulp

1982
- 1982-09-14 SE SE8205241A patent/SE451606B/sv not_active Application Discontinuation
1983
- 1983-08-24 AU AU18379/83A patent/AU554072B2/en not_active Ceased
- 1983-08-26 FR FR8313764A patent/FR2537177B1/fr not_active Expired
- 1983-09-12 FI FI833246A patent/FI74054B/fi not_active Application Discontinuation
- 1983-09-12 IT IT48965/83A patent/IT1170488B/it active
- 1983-09-12 JP JP58168082A patent/JPS5966589A/ja active Pending
- 1983-09-13 NO NO833282A patent/NO833282L/no unknown
- 1983-09-13 NL NL8303159A patent/NL8303159A/nl not_active Application Discontinuation
- 1983-09-14 DE DE3333219A patent/DE3333219C2/de not_active Expired

Also Published As

Publication number	Publication date
FI833246A0 (fi)	1983-09-12
FR2537177A1 (fr)	1984-06-08
SE8205241L (sv)	1984-03-15
SE8205241D0 (sv)	1982-09-14
NO833282L (no)	1984-03-15
DE3333219A1 (de)	1984-03-15
AU1837983A (en)	1984-03-22
NL8303159A (nl)	1984-04-02
IT8348965A1 (it)	1985-03-12
JPS5966589A (ja)	1984-04-16
AU554072B2 (en)	1986-08-07
FI74054B (fi)	1987-08-31
DE3333219C2 (de)	1986-10-23
FI833246L (fi)	1984-03-15
IT8348965A0 (it)	1983-09-12
SE451606B (sv)	1987-10-19
IT1170488B (it)	1987-06-03

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Legal Events

Date	Code	Title	Description
1989-06-23	ST	Notification of lapse