DE313478T1 - Verfahren zum bleichen von pulpen. - Google Patents

Verfahren zum bleichen von pulpen.

Info

Publication number
DE313478T1
DE313478T1 DE198888420339T DE88420339T DE313478T1 DE 313478 T1 DE313478 T1 DE 313478T1 DE 198888420339 T DE198888420339 T DE 198888420339T DE 88420339 T DE88420339 T DE 88420339T DE 313478 T1 DE313478 T1 DE 313478T1
Authority
DE
Germany
Prior art keywords
bleaching pulps
pulps
bleaching
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.)
Pending
Application number
DE198888420339T
Other languages
English (en)
Inventor
Jacques F-69005 Lyon Fr Kervennal
Francoise F-69390 Millery Fr Chosson
Dominique Centre Technique Bp 7110 F-38020 Grenoble Cedex Fr Lachenal
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.)
Arkema France SA
Original Assignee
Atochem 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.)
Filing date
Publication date
Application filed by Atochem SA filed Critical Atochem SA
Publication of DE313478T1 publication Critical patent/DE313478T1/de
Pending 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)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE198888420339T 1987-10-22 1988-10-06 Verfahren zum bleichen von pulpen. Pending DE313478T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8714877A FR2622221A1 (fr) 1987-10-22 1987-10-22 Procede de blanchiment de pates

Publications (1)

Publication Number Publication Date
DE313478T1 true DE313478T1 (de) 1989-10-05

Family

ID=9356225

Family Applications (1)

Application Number Title Priority Date Filing Date
DE198888420339T Pending DE313478T1 (de) 1987-10-22 1988-10-06 Verfahren zum bleichen von pulpen.

Country Status (10)

Country Link
EP (1) EP0313478A1 (de)
JP (1) JPH0643674B2 (de)
AU (1) AU615001B2 (de)
DE (1) DE313478T1 (de)
ES (1) ES2008654A4 (de)
FI (1) FI884881A (de)
FR (1) FR2622221A1 (de)
NO (1) NO170348C (de)
NZ (1) NZ226649A (de)
PT (1) PT88819B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661430B1 (fr) * 1990-04-30 1992-07-17 Atochem Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement.
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

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 (ja) * 1981-11-27 1983-05-31 工業技術院長 高白色度未晒パルプの製造方法
SE451606B (sv) * 1982-09-14 1987-10-19 Sca Development Ab Sett vid blekning av hogutbytesmassor medelst peroxider
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
EP0191756B1 (de) * 1985-02-15 1989-01-04 Kamyr Ab Mehrstufige Peroxidbleiche einer mechanischen Pulpe
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.

Also Published As

Publication number Publication date
NZ226649A (en) 1989-10-27
AU615001B2 (en) 1991-09-19
ES2008654A4 (es) 1989-08-01
FI884881A (fi) 1989-04-23
NO170348C (no) 1992-10-07
AU2413088A (en) 1989-04-27
JPH0643674B2 (ja) 1994-06-08
EP0313478A1 (de) 1989-04-26
JPH01124696A (ja) 1989-05-17
NO884674L (no) 1989-04-24
PT88819B (pt) 1993-01-29
NO884674D0 (no) 1988-10-20
FR2622221A1 (fr) 1989-04-28
FI884881A0 (fi) 1988-10-21
NO170348B (no) 1992-06-29

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