FR2293521A1 - Procede pour l'obtention de bioxyde de chlore utilisable dans une installation de fabrication de pate a papier - Google Patents

Procede pour l'obtention de bioxyde de chlore utilisable dans une installation de fabrication de pate a papier

Info

Publication number
FR2293521A1
FR2293521A1 FR7440124A FR7440124A FR2293521A1 FR 2293521 A1 FR2293521 A1 FR 2293521A1 FR 7440124 A FR7440124 A FR 7440124A FR 7440124 A FR7440124 A FR 7440124A FR 2293521 A1 FR2293521 A1 FR 2293521A1
Authority
FR
France
Prior art keywords
liquor
paste
na2so4
chlorine dioxide
salt
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.)
Granted
Application number
FR7440124A
Other languages
English (en)
Other versions
FR2293521B1 (fr
Inventor
Richard Swindells
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.)
Erco Industries Ltd
Original Assignee
Erco 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 Erco Industries Ltd filed Critical Erco Industries Ltd
Priority to FR7440124A priority Critical patent/FR2293521A1/fr
Publication of FR2293521A1 publication Critical patent/FR2293521A1/fr
Application granted granted Critical
Publication of FR2293521B1 publication Critical patent/FR2293521B1/fr
Granted 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0035—Introduction of compounds, e.g. sodium sulfate, into the cycle in order to compensate for the losses of pulping agents
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR7440124A 1974-12-06 1974-12-06 Procede pour l'obtention de bioxyde de chlore utilisable dans une installation de fabrication de pate a papier Granted FR2293521A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7440124A FR2293521A1 (fr) 1974-12-06 1974-12-06 Procede pour l'obtention de bioxyde de chlore utilisable dans une installation de fabrication de pate a papier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440124A FR2293521A1 (fr) 1974-12-06 1974-12-06 Procede pour l'obtention de bioxyde de chlore utilisable dans une installation de fabrication de pate a papier

Publications (2)

Publication Number Publication Date
FR2293521A1 true FR2293521A1 (fr) 1976-07-02
FR2293521B1 FR2293521B1 (fr) 1978-12-01

Family

ID=9145698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440124A Granted FR2293521A1 (fr) 1974-12-06 1974-12-06 Procede pour l'obtention de bioxyde de chlore utilisable dans une installation de fabrication de pate a papier

Country Status (1)

Country Link
FR (1) FR2293521A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206193A (en) * 1978-12-18 1980-06-03 Hooker Chemicals & Plastics Corp. Versatile process for generating chlorine dioxide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206193A (en) * 1978-12-18 1980-06-03 Hooker Chemicals & Plastics Corp. Versatile process for generating chlorine dioxide

Also Published As

Publication number Publication date
FR2293521B1 (fr) 1978-12-01

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Legal Events

Date Code Title Description
ST Notification of lapse