AU616541B2 - Process for the manufacture of bleached chemithermomechanical pulps - Google Patents

Process for the manufacture of bleached chemithermomechanical pulps Download PDF

Info

Publication number
AU616541B2
AU616541B2 AU37999/89A AU3799989A AU616541B2 AU 616541 B2 AU616541 B2 AU 616541B2 AU 37999/89 A AU37999/89 A AU 37999/89A AU 3799989 A AU3799989 A AU 3799989A AU 616541 B2 AU616541 B2 AU 616541B2
Authority
AU
Australia
Prior art keywords
pulp
process according
bleaching
sulphite
weight
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.)
Ceased
Application number
AU37999/89A
Other languages
English (en)
Other versions
AU3799989A (en
Inventor
Michel Devic
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 AU3799989A publication Critical patent/AU3799989A/en
Application granted granted Critical
Publication of AU616541B2 publication Critical patent/AU616541B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Glass Compositions (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Seasonings (AREA)
AU37999/89A 1988-07-12 1989-07-11 Process for the manufacture of bleached chemithermomechanical pulps Ceased AU616541B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8809703 1988-07-12
FR8809703A FR2634233B1 (fr) 1988-07-12 1988-07-12 Procede de fabrication de pates chimicothermomecaniques blanchies

Publications (2)

Publication Number Publication Date
AU3799989A AU3799989A (en) 1990-01-18
AU616541B2 true AU616541B2 (en) 1991-10-31

Family

ID=9368520

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37999/89A Ceased AU616541B2 (en) 1988-07-12 1989-07-11 Process for the manufacture of bleached chemithermomechanical pulps

Country Status (12)

Country Link
EP (1) EP0351330B1 (no)
JP (1) JPH0268377A (no)
AT (1) ATE171741T1 (no)
AU (1) AU616541B2 (no)
CA (1) CA1335406C (no)
DE (2) DE68928822T2 (no)
ES (1) ES2012324T3 (no)
FI (1) FI96522C (no)
FR (1) FR2634233B1 (no)
NO (1) NO176726C (no)
NZ (1) NZ229902A (no)
PT (1) PT91128B (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615874B1 (fr) * 1987-05-25 1992-02-21 Atochem Procede de preparation de pates chimicothermomecaniques
FR2675518B1 (fr) * 1991-04-17 1996-10-18 Atochem Procede de preparation de pate a papier a haut rendement et blanchie, a partir de copeaux de bois.
US20030062138A1 (en) * 2001-05-09 2003-04-03 Hache Maurice Joseph Albert Method for brightening mechanical pulps
JP4501329B2 (ja) * 2002-03-29 2010-07-14 日本製紙株式会社 グラビア印刷用塗工紙
WO2008129048A1 (de) * 2007-04-24 2008-10-30 Basf Se Verfahren zur herstellung von gebleichten holzpartikeln und hellen bis weissen holzwerkstoffen
US20100224333A1 (en) * 2009-03-09 2010-09-09 Prasad Duggirala Method and chemical composition to improve efficiency of mechanical pulp
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
EP2924166A1 (de) * 2014-03-25 2015-09-30 Basf Se Verfahren zur Herstellung von gebleichtem Holzfaserstoff

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1212505A (en) * 1984-07-17 1986-10-14 Rudy Vit Method, process and apparatus for converting wood, wood residue and or biomass into pulp
AU4037489A (en) * 1988-09-14 1990-04-02 Sunds Defibrator Industries Aktiebolag Method of making chemi-mechanical pulp from hardwood
AU609481B2 (en) * 1987-05-25 1991-05-02 Atochem Process for the preparation of chemico-thermomechanical pulps

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE834808C (de) * 1950-08-31 1952-03-24 Degussa Verfahren zum Bleichen von mechanisch erzeugten, schwer bleichbaren Faserstoffen, insbesondere Holzschliff
US3284283A (en) * 1964-02-17 1966-11-08 Fmc Corp Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
US4718980A (en) * 1985-12-30 1988-01-12 Weyerhaeuser Company Interstage treatment of mechanical pulp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1212505A (en) * 1984-07-17 1986-10-14 Rudy Vit Method, process and apparatus for converting wood, wood residue and or biomass into pulp
AU609481B2 (en) * 1987-05-25 1991-05-02 Atochem Process for the preparation of chemico-thermomechanical pulps
AU4037489A (en) * 1988-09-14 1990-04-02 Sunds Defibrator Industries Aktiebolag Method of making chemi-mechanical pulp from hardwood

Also Published As

Publication number Publication date
JPH0250236B2 (no) 1990-11-01
FR2634233A1 (fr) 1990-01-19
NO176726B (no) 1995-02-06
ES2012324A4 (es) 1990-03-16
DE68928822T2 (de) 1999-05-27
FI96522B (fi) 1996-03-29
AU3799989A (en) 1990-01-18
ES2012324T3 (es) 1998-11-16
FI96522C (fi) 1996-07-10
NO176726C (no) 1995-05-16
DE68928822D1 (de) 1998-11-05
ATE171741T1 (de) 1998-10-15
DE351330T1 (de) 1990-06-13
NZ229902A (en) 1991-09-25
FR2634233B1 (fr) 1995-04-14
NO892805D0 (no) 1989-07-06
JPH0268377A (ja) 1990-03-07
PT91128B (pt) 1994-12-30
NO892805L (no) 1990-01-15
EP0351330B1 (fr) 1998-09-30
CA1335406C (fr) 1995-05-02
FI893372A (fi) 1990-01-13
FI893372A0 (fi) 1989-07-11
PT91128A (pt) 1990-02-08
EP0351330A1 (fr) 1990-01-17

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired