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
FR2537177B1 FR8313764A FR8313764A FR2537177B1 FR 2537177 B1 FR2537177 B1 FR 2537177B1 FR 8313764 A FR8313764 A FR 8313764A FR 8313764 A FR8313764 A FR 8313764A FR 2537177 B1 FR2537177 B1 FR 2537177B1
Authority
FR
France
Prior art keywords
bleaching
products containing
containing cellulose
cellulose
products
Prior art date
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.)
Filing date
Publication date
Application filed by SCA Development AB filed Critical SCA Development AB
Publication of FR2537177A1 publication Critical patent/FR2537177A1/fr
Application granted granted Critical
Publication of FR2537177B1 publication Critical patent/FR2537177B1/fr
Expired legal-status Critical Current

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
    • D21C9/16—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
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.

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
DE2219504C2 (de) * 1972-04-21 1974-10-03 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Mehrstufenbleiche von Zellstoffen mit erheblich reduziertem Chloreinsatz
DE2219505C3 (de) * 1972-04-21 1974-10-17 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Chlorfreie Mehrstufenbleiche von Zellstoff
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 1984-07-10 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

Also Published As

Publication number Publication date
AU554072B2 (en) 1986-08-07
FI74054B (fi) 1987-08-31
IT8348965A0 (it) 1983-09-12
SE8205241D0 (sv) 1982-09-14
SE451606B (sv) 1987-10-19
NO833282L (no) 1984-03-15
FI833246A (fi) 1984-03-15
IT1170488B (it) 1987-06-03
JPS5966589A (ja) 1984-04-16
NL8303159A (nl) 1984-04-02
DE3333219C2 (de) 1986-10-23
FR2537177A1 (fr) 1984-06-08
AU1837983A (en) 1984-03-22
FI833246A0 (fi) 1983-09-12
SE8205241L (sv) 1984-03-15
DE3333219A1 (de) 1984-03-15

Similar Documents

Publication Publication Date Title
RO82162A (fr) Procede pour la preparation des aminothiadiazoles
RO90457A (fr) Procede pour la preparation des n-heterocyclul 4-piperidinamines
MA19429A1 (fr) Procede de preparation de produits utiles pour le traitement des melanomes
RO89436A2 (fr) Procede pour la preparation des(1-aryl-cyclobutyl)-alkylamines
RO86698A (fr) Procede pour la preparation des (1-piperidinylalkyle)-pyrhimidinone
RO90414A (fr) Procede pour la preparation des n-heterocyclyle-4-piperidinamines
RO86363A (fr) Procede pour la preparation des derives de methylthiopyrimidine
RO82216A (fr) Procede pour la preparation des derives de 3-aryle-5-tsothiazole
OA07313A (fr) Procédé pour le traitement de pâtes papetières chimiques.
RO86851A (fr) Procede pour la preparation des derives de pyperazin-2-one
RO86511A (fr) Procede pour la preparation des beta-lactames
BE890652A (fr) Procede perfectionne pour la preparation de cellulose fibreuse agglomeree
RO92200A (fr) Procede pour la preparation des s-benzylcarbamates
RO86646A (fr) Procede pour la preparation des o0ymethers
RO82739A (fr) Procede pour la preparation des derives de fluorene
FR2537177B1 (fr) Procede pour le blanchiment de produits contenant de la cellulose
RO85814A (fr) Procede pour la preparation des derives de 1-(arycyclohexyle)-pyperidine
PT66489A (fr) Procede pour la preparation des produits pharmaceutique contenant polihydroxiphenil cromanones
PT80140A (fr) Procede de traitement special pour des produits en liege
FR2543019B1 (fr) Procede pour la production de microcapsules
MC1435A1 (fr) Procede pour la preparation de derives de la pyrazoline et produits contenant ces substances
RO86246A (fr) Procede pour la preparation des 5-(dihydro0ypheno0y)-tetrazoles
RO88202A (fr) Procede pour la preparation des spiro-3-heteroazolone
RO82087A (fr) Procede pour la preparation de3-pycoline
RO83438A (fr) Procede pour la preparation des bis-tetrazolmethylthioles

Legal Events

Date Code Title Description
ST Notification of lapse