CA1120660A - Sequence de blanchiment - Google Patents

Sequence de blanchiment

Info

Publication number
CA1120660A
CA1120660A CA000347139A CA347139A CA1120660A CA 1120660 A CA1120660 A CA 1120660A CA 000347139 A CA000347139 A CA 000347139A CA 347139 A CA347139 A CA 347139A CA 1120660 A CA1120660 A CA 1120660A
Authority
CA
Canada
Prior art keywords
chlorine
bleaching
chlorine dioxide
dioxide
solution
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
CA000347139A
Other languages
English (en)
Inventor
Douglas W. Reeve
Original Assignee
Erco Industries Ltd
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 Erco Industries Ltd filed Critical Erco Industries Ltd
Application granted granted Critical
Publication of CA1120660A publication Critical patent/CA1120660A/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
    • D21C9/12—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)
CA000347139A 1979-04-16 1980-03-06 Sequence de blanchiment Expired CA1120660A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3055779A 1979-04-16 1979-04-16
US030,557 1979-04-16

Publications (1)

Publication Number Publication Date
CA1120660A true CA1120660A (fr) 1982-03-30

Family

ID=21854784

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000347139A Expired CA1120660A (fr) 1979-04-16 1980-03-06 Sequence de blanchiment

Country Status (9)

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

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
PL123711B1 (en) 1982-11-30
FI71964B (fi) 1986-11-28
FR2454478A1 (fr) 1980-11-14
FR2454478B1 (fr) 1983-09-23
AR219443A1 (es) 1980-08-15
FI801103A7 (fi) 1980-10-17
SE8002723L (sv) 1980-10-17
SE445367B (sv) 1986-06-16
CS228128B2 (en) 1984-05-14
PL223468A1 (fr) 1981-03-27
BR8002327A (pt) 1980-12-02
JPS55142787A (en) 1980-11-07

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Legal Events

Date Code Title Description
MKEX Expiry