BR8002327A - Sequencia de alvejamento aperfeicoada - Google Patents

Sequencia de alvejamento aperfeicoada

Info

Publication number
BR8002327A
BR8002327A BR8002327A BR8002327A BR8002327A BR 8002327 A BR8002327 A BR 8002327A BR 8002327 A BR8002327 A BR 8002327A BR 8002327 A BR8002327 A BR 8002327A BR 8002327 A BR8002327 A BR 8002327A
Authority
BR
Brazil
Prior art keywords
perfected
bleaching sequence
bleaching
sequence
perfected bleaching
Prior art date
Application number
BR8002327A
Other languages
English (en)
Portuguese (pt)
Inventor
D Reeve
Original Assignee
Erco Ind 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 Ind Ltd filed Critical Erco Ind Ltd
Publication of BR8002327A publication Critical patent/BR8002327A/pt

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)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
BR8002327A 1979-04-16 1980-04-15 Sequencia de alvejamento aperfeicoada BR8002327A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8002327A true BR8002327A (pt) 1980-12-02

Family

ID=21854784

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8002327A BR8002327A (pt) 1979-04-16 1980-04-15 Sequencia de alvejamento aperfeicoada

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
JPS55142787A (en) 1980-11-07
CA1120660A (fr) 1982-03-30
FI801103A7 (fi) 1980-10-17
FI71964B (fi) 1986-11-28
AR219443A1 (es) 1980-08-15
PL223468A1 (fr) 1981-03-27
SE8002723L (sv) 1980-10-17
PL123711B1 (en) 1982-11-30
CS228128B2 (en) 1984-05-14
FR2454478A1 (fr) 1980-11-14
SE445367B (sv) 1986-06-16
FR2454478B1 (fr) 1983-09-23

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950415