SE341518C - Process for bleaching cellulose pulp in several steps - Google Patents

Process for bleaching cellulose pulp in several steps

Info

Publication number
SE341518C
SE341518C SE1768566A SE1768566A SE341518C SE 341518 C SE341518 C SE 341518C SE 1768566 A SE1768566 A SE 1768566A SE 1768566 A SE1768566 A SE 1768566A SE 341518 C SE341518 C SE 341518C
Authority
SE
Sweden
Prior art keywords
several steps
cellulose pulp
bleaching cellulose
bleaching
pulp
Prior art date
Application number
SE1768566A
Other languages
Swedish (sv)
Other versions
SE341518B (en
Inventor
A W Brinkley
J F Kilborn
Original Assignee
Int Paper Co
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 Int Paper Co filed Critical Int Paper Co
Priority to SE1768566A priority Critical patent/SE341518C/en
Publication of SE341518B publication Critical patent/SE341518B/en
Publication of SE341518C publication Critical patent/SE341518C/en

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
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • D06L4/23—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 hypohalogenites
    • 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)
SE1768566A 1966-12-23 1966-12-23 Process for bleaching cellulose pulp in several steps SE341518C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE1768566A SE341518C (en) 1966-12-23 1966-12-23 Process for bleaching cellulose pulp in several steps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1768566A SE341518C (en) 1966-12-23 1966-12-23 Process for bleaching cellulose pulp in several steps

Publications (2)

Publication Number Publication Date
SE341518B SE341518B (en) 1971-12-27
SE341518C true SE341518C (en) 1974-01-21

Family

ID=20303862

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1768566A SE341518C (en) 1966-12-23 1966-12-23 Process for bleaching cellulose pulp in several steps

Country Status (1)

Country Link
SE (1) SE341518C (en)

Also Published As

Publication number Publication date
SE341518B (en) 1971-12-27

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