CA1310797C - Procede de blanchiment de pates - Google Patents

Procede de blanchiment de pates

Info

Publication number
CA1310797C
CA1310797C CA000563118A CA563118A CA1310797C CA 1310797 C CA1310797 C CA 1310797C CA 000563118 A CA000563118 A CA 000563118A CA 563118 A CA563118 A CA 563118A CA 1310797 C CA1310797 C CA 1310797C
Authority
CA
Canada
Prior art keywords
hydrogen peroxide
agent
temperature
complexing
sequestering
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 - Lifetime
Application number
CA000563118A
Other languages
English (en)
French (fr)
Inventor
Jean-Pierre Schirmann
Michel Devic
Jacques Kervennal
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
Application granted granted Critical
Publication of CA1310797C publication Critical patent/CA1310797C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Dental Preparations (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Noodles (AREA)
  • Seasonings (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Glass Compositions (AREA)
CA000563118A 1987-04-02 1988-03-31 Procede de blanchiment de pates Expired - Lifetime CA1310797C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8704844 1987-04-02
FR8704844A FR2613388B1 (fr) 1987-04-02 1987-04-02 Procede de blanchiment de pates

Publications (1)

Publication Number Publication Date
CA1310797C true CA1310797C (fr) 1992-12-01

Family

ID=9349862

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000563118A Expired - Lifetime CA1310797C (fr) 1987-04-02 1988-03-31 Procede de blanchiment de pates

Country Status (11)

Country Link
EP (1) EP0285530B1 (es)
JP (1) JPS63256786A (es)
AT (1) ATE84581T1 (es)
AU (1) AU606930B2 (es)
CA (1) CA1310797C (es)
DE (2) DE285530T1 (es)
ES (1) ES2004846T3 (es)
FI (1) FI93749C (es)
FR (1) FR2613388B1 (es)
NO (1) NO173886C (es)
NZ (1) NZ224144A (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8298373B2 (en) 2008-02-07 2012-10-30 University Of New Brunswick Combined process of peroxide bleaching of wood pulps and addition of optical brightening agents

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647641B1 (fr) * 1989-06-05 1992-01-17 Atochem Procede de fabrication de pulpes vegetales blanchies
ATE97179T1 (de) * 1989-06-06 1993-11-15 Eka Nobel Ab Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
SE467006B (sv) 1989-06-06 1992-05-11 Eka Nobel Ab Blekning av kemisk massa med peroxid varvid massan foerst behandlas med en komplexbildare
FR2659363B1 (fr) * 1990-03-07 1996-04-19 Atochem Procede de preparation de pates a haut rendement blanchies.
SE466061B (sv) * 1990-04-23 1991-12-09 Eka Nobel Ab Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
SE9001481L (sv) * 1990-04-23 1991-10-24 Eka Nobel Ab Reduktion av halogenorganiska foereningar i blekeriavlopp
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.
SE468355B (sv) * 1991-04-30 1992-12-21 Eka Nobel Ab Blekning av kemisk massa genom behandling med komplexbildare och ozon
ZA955290B (en) * 1994-07-11 1996-12-27 Ingersoll Rand Co Peroxide bleaching process for cellulosic and lignocellulosic material
AU2003279120A1 (en) * 2003-10-02 2005-05-19 Andritz Inc. Multi-stage ap mechanical pulping with refiner flow line treatment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL202075A (es) * 1954-11-19 Fmc Corp
US3251731A (en) * 1963-02-11 1966-05-17 Andrew J Gard Bleaching of wood pulp with a sequestering agent and hydrogen peroxide
JPS5344563A (en) * 1976-10-05 1978-04-21 Ouchi Shinkou Kagaku Kougiyou Preparation of benzothiazolylsulfenamide
FI61215B (fi) * 1976-11-23 1982-02-26 Defibrator Ab Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8298373B2 (en) 2008-02-07 2012-10-30 University Of New Brunswick Combined process of peroxide bleaching of wood pulps and addition of optical brightening agents

Also Published As

Publication number Publication date
ES2004846A4 (es) 1989-02-16
FI93749B (fi) 1995-02-15
NO881404D0 (no) 1988-03-29
NO173886C (no) 1994-02-16
NO881404L (no) 1988-10-03
FI881544A0 (fi) 1988-03-31
FI93749C (fi) 1995-05-26
FR2613388B1 (fr) 1990-05-04
FR2613388A1 (fr) 1988-10-07
NZ224144A (en) 1989-07-27
NO173886B (no) 1993-11-08
ES2004846T3 (es) 1993-06-16
ATE84581T1 (de) 1993-01-15
AU1406788A (en) 1988-10-06
FI881544A (fi) 1988-10-03
DE3877403D1 (de) 1993-02-25
AU606930B2 (en) 1991-02-21
JPH0156197B2 (es) 1989-11-29
JPS63256786A (ja) 1988-10-24
EP0285530B1 (fr) 1993-01-13
DE285530T1 (de) 1989-03-30
DE3877403T2 (de) 1993-05-19
EP0285530A1 (fr) 1988-10-05

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Legal Events

Date Code Title Description
MKLA Lapsed