FR94026E - Procédé de blanchiment des matieres cellulosiques. - Google Patents

Procédé de blanchiment des matieres cellulosiques.

Info

Publication number
FR94026E
FR94026E FR141582A FR141582A FR94026E FR 94026 E FR94026 E FR 94026E FR 141582 A FR141582 A FR 141582A FR 141582 A FR141582 A FR 141582A FR 94026 E FR94026 E FR 94026E
Authority
FR
France
Prior art keywords
cellulosic materials
bleaching cellulosic
bleaching
materials
cellulosic
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
FR141582A
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
Application granted granted Critical
Publication of FR94026E publication Critical patent/FR94026E/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR141582A 1965-06-28 1968-02-28 Procédé de blanchiment des matieres cellulosiques. Expired FR94026E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46769765A 1965-06-28 1965-06-28
US61917267A 1967-02-28 1967-02-28

Publications (1)

Publication Number Publication Date
FR94026E true FR94026E (fr) 1969-06-20

Family

ID=37081693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR141582A Expired FR94026E (fr) 1965-06-28 1968-02-28 Procédé de blanchiment des matieres cellulosiques.

Country Status (1)

Country Link
FR (1) FR94026E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454478A1 (fr) * 1979-04-16 1980-11-14 Erco Ind Ltd Procede ameliore de blanchiment de matieres fibreuses cellulosiques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454478A1 (fr) * 1979-04-16 1980-11-14 Erco Ind Ltd Procede ameliore de blanchiment de matieres fibreuses cellulosiques

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Legal Events

Date Code Title Description
TP Transmission of property