FI71964B - Foerbaettrad sekvensblekning - Google Patents

Foerbaettrad sekvensblekning Download PDF

Info

Publication number
FI71964B
FI71964B FI801103A FI801103A FI71964B FI 71964 B FI71964 B FI 71964B FI 801103 A FI801103 A FI 801103A FI 801103 A FI801103 A FI 801103A FI 71964 B FI71964 B FI 71964B
Authority
FI
Finland
Prior art keywords
chlorine
bleaching
chlorine dioxide
solution
pulp
Prior art date
Application number
FI801103A
Other languages
English (en)
Finnish (fi)
Other versions
FI801103A (fi
Inventor
Douglas William Reeve
Original Assignee
Tenneco Canada Inc
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 Tenneco Canada Inc filed Critical Tenneco Canada Inc
Publication of FI801103A publication Critical patent/FI801103A/fi
Application granted granted Critical
Publication of FI71964B publication Critical patent/FI71964B/fi

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
    • D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
    • D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI801103A 1979-04-16 1980-04-08 Foerbaettrad sekvensblekning FI71964B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3055779A 1979-04-16 1979-04-16
US3055779 1979-04-16

Publications (2)

Publication Number Publication Date
FI801103A FI801103A (fi) 1980-10-17
FI71964B true FI71964B (fi) 1986-11-28

Family

ID=21854784

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801103A FI71964B (fi) 1979-04-16 1980-04-08 Foerbaettrad sekvensblekning

Country Status (9)

Country Link
JP (1) JPS55142787A (cs)
AR (1) AR219443A1 (cs)
BR (1) BR8002327A (cs)
CA (1) CA1120660A (cs)
CS (1) CS228128B2 (cs)
FI (1) FI71964B (cs)
FR (1) FR2454478A1 (cs)
PL (1) PL123711B1 (cs)
SE (1) SE445367B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5192362B2 (ja) * 2008-12-16 2013-05-08 株式会社前川製作所 パルプ漂白水の製造方法及び装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR94026E (fr) * 1965-06-28 1969-06-20 Hooker Chemical Corp Procédé de blanchiment des matieres cellulosiques.
CA926056A (en) * 1966-01-10 1973-05-15 C. Logan Kenneth Process of bleaching woodpulp
FR1489262A (fr) * 1966-06-28 1967-07-21 Canadian Ind Blanchiment de la pâte de bois
US3501374A (en) * 1968-12-26 1970-03-17 Hooker Chemical Corp Sequential bleaching of kraft pulp with chlorine dioxide and chlorine
ZA791174B (en) * 1978-03-30 1980-10-29 Erco Ind Ltd Bleaching procedure

Also Published As

Publication number Publication date
AR219443A1 (es) 1980-08-15
CS228128B2 (en) 1984-05-14
FR2454478A1 (fr) 1980-11-14
PL223468A1 (cs) 1981-03-27
SE8002723L (sv) 1980-10-17
BR8002327A (pt) 1980-12-02
CA1120660A (en) 1982-03-30
FI801103A (fi) 1980-10-17
FR2454478B1 (cs) 1983-09-23
SE445367B (sv) 1986-06-16
PL123711B1 (en) 1982-11-30
JPS55142787A (en) 1980-11-07

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Legal Events

Date Code Title Description
FC Application refused

Owner name: TENNECO CANADA INC.