FR2480813A1 - Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue - Google Patents

Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue Download PDF

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Publication number
FR2480813A1
FR2480813A1 FR8009036A FR8009036A FR2480813A1 FR 2480813 A1 FR2480813 A1 FR 2480813A1 FR 8009036 A FR8009036 A FR 8009036A FR 8009036 A FR8009036 A FR 8009036A FR 2480813 A1 FR2480813 A1 FR 2480813A1
Authority
FR
France
Prior art keywords
delignification
oxygen
refusal
consistency
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.)
Granted
Application number
FR8009036A
Other languages
English (en)
French (fr)
Other versions
FR2480813B1 (enExample
Inventor
James Robert Prough
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.)
Kamyr Inc
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Priority to FR8009036A priority Critical patent/FR2480813A1/fr
Publication of FR2480813A1 publication Critical patent/FR2480813A1/fr
Application granted granted Critical
Publication of FR2480813B1 publication Critical patent/FR2480813B1/fr
Granted legal-status Critical Current

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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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1052—Controlling the process

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR8009036A 1980-04-22 1980-04-22 Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue Granted FR2480813A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8009036A FR2480813A1 (fr) 1980-04-22 1980-04-22 Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8009036A FR2480813A1 (fr) 1980-04-22 1980-04-22 Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue

Publications (2)

Publication Number Publication Date
FR2480813A1 true FR2480813A1 (fr) 1981-10-23
FR2480813B1 FR2480813B1 (enExample) 1982-04-09

Family

ID=9241225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009036A Granted FR2480813A1 (fr) 1980-04-22 1980-04-22 Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue

Country Status (1)

Country Link
FR (1) FR2480813A1 (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045784B (de) * 1956-11-27 1958-12-04 Kopparfors Ab Verfahren zur Kontrolle des Aufschlussgrades und zur Bestimmung der noch erforderlichen Kochzeit beim Zellstoffaufschluss

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045784B (de) * 1956-11-27 1958-12-04 Kopparfors Ab Verfahren zur Kontrolle des Aufschlussgrades und zur Bestimmung der noch erforderlichen Kochzeit beim Zellstoffaufschluss

Also Published As

Publication number Publication date
FR2480813B1 (enExample) 1982-04-09

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