GB1168751A - Process for Bleaching Cellulosic Material. - Google Patents

Process for Bleaching Cellulosic Material.

Info

Publication number
GB1168751A
GB1168751A GB876768A GB876768A GB1168751A GB 1168751 A GB1168751 A GB 1168751A GB 876768 A GB876768 A GB 876768A GB 876768 A GB876768 A GB 876768A GB 1168751 A GB1168751 A GB 1168751A
Authority
GB
United Kingdom
Prior art keywords
chlorine
bleaching
chlorine dioxide
cellulosic material
pulp
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
GB876768A
Other languages
English (en)
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.)
Hooker Chemical Corp
Original Assignee
Hooker Chemical Corp
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 Hooker Chemical Corp filed Critical Hooker Chemical Corp
Publication of GB1168751A publication Critical patent/GB1168751A/en
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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Plasma Technology (AREA)
  • Amplifiers (AREA)
  • Inverter Devices (AREA)
GB876768A 1967-02-28 1968-02-22 Process for Bleaching Cellulosic Material. Expired GB1168751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61917267A 1967-02-28 1967-02-28

Publications (1)

Publication Number Publication Date
GB1168751A true GB1168751A (en) 1969-10-29

Family

ID=24480751

Family Applications (1)

Application Number Title Priority Date Filing Date
GB876768A Expired GB1168751A (en) 1967-02-28 1968-02-22 Process for Bleaching Cellulosic Material.

Country Status (5)

Country Link
JP (1) JPS5227242B1 (de)
BE (1) BE711336A (de)
DE (1) DE1719578B2 (de)
GB (1) GB1168751A (de)
NO (1) NO138116C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53160933U (de) * 1977-05-24 1978-12-16
JPS53163112U (de) * 1977-05-27 1978-12-20
SE458209B (sv) * 1987-06-04 1989-03-06 Nils Bertil Carnoe Saett att reducera miljoeskadliga klorfenolfoereningar vid klorblekning av cellulosamassa

Also Published As

Publication number Publication date
DE1719578A1 (de) 1972-03-16
DE1719578B2 (de) 1974-04-25
BE711336A (de) 1968-08-27
JPS5227242B1 (de) 1977-07-19
NO138116B (no) 1978-03-28
DE1719578C3 (de) 1974-12-05
NO138116C (no) 1978-07-05

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