FR1489262A - Bleaching of wood pulp - Google Patents

Bleaching of wood pulp

Info

Publication number
FR1489262A
FR1489262A FR67316A FR67316A FR1489262A FR 1489262 A FR1489262 A FR 1489262A FR 67316 A FR67316 A FR 67316A FR 67316 A FR67316 A FR 67316A FR 1489262 A FR1489262 A FR 1489262A
Authority
FR
France
Prior art keywords
bleaching
wood pulp
pulp
wood
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
FR67316A
Other languages
French (fr)
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian 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 Canadian Industries Ltd filed Critical Canadian Industries Ltd
Priority to FR67316A priority Critical patent/FR1489262A/en
Application granted granted Critical
Publication of FR1489262A publication Critical patent/FR1489262A/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)
FR67316A 1966-06-28 1966-06-28 Bleaching of wood pulp Expired FR1489262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR67316A FR1489262A (en) 1966-06-28 1966-06-28 Bleaching of wood pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR67316A FR1489262A (en) 1966-06-28 1966-06-28 Bleaching of wood pulp

Publications (1)

Publication Number Publication Date
FR1489262A true FR1489262A (en) 1967-07-21

Family

ID=8612017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67316A Expired FR1489262A (en) 1966-06-28 1966-06-28 Bleaching of wood pulp

Country Status (1)

Country Link
FR (1) FR1489262A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454478A1 (en) * 1979-04-16 1980-11-14 Erco Ind Ltd Two=stage pulp bleaching - using chlorine di:oxide and chlorine in first stage and chlorine alone in second state (SE 17.11.80)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454478A1 (en) * 1979-04-16 1980-11-14 Erco Ind Ltd Two=stage pulp bleaching - using chlorine di:oxide and chlorine in first stage and chlorine alone in second state (SE 17.11.80)

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