FR2501741A1 - Procede et installation de production de cellulose a usage chimique ou pour la fabrication du papier, ou pour les deux applications - Google Patents

Procede et installation de production de cellulose a usage chimique ou pour la fabrication du papier, ou pour les deux applications Download PDF

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Publication number
FR2501741A1
FR2501741A1 FR8203851A FR8203851A FR2501741A1 FR 2501741 A1 FR2501741 A1 FR 2501741A1 FR 8203851 A FR8203851 A FR 8203851A FR 8203851 A FR8203851 A FR 8203851A FR 2501741 A1 FR2501741 A1 FR 2501741A1
Authority
FR
France
Prior art keywords
leaching
solution
oxygen
process according
lignocellulosic material
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
FR8203851A
Other languages
English (en)
French (fr)
Other versions
FR2501741B3 (enrdf_load_stackoverflow
Inventor
Heinz Karwat
Norbert Meindl
Karl Schwarzl
Johannes Schmidt
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.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of FR2501741A1 publication Critical patent/FR2501741A1/fr
Application granted granted Critical
Publication of FR2501741B3 publication Critical patent/FR2501741B3/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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/14—Wet combustion ; Treatment of pulp liquors without previous evaporation, by oxidation of the liquors remaining at least partially in the liquid phase, e.g. by application or pressure
    • 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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen
    • 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye

Landscapes

  • Paper (AREA)
FR8203851A 1981-03-10 1982-03-08 Procede et installation de production de cellulose a usage chimique ou pour la fabrication du papier, ou pour les deux applications Granted FR2501741A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813109098 DE3109098A1 (de) 1981-03-10 1981-03-10 "verfahren zur herstellung von chemie- und/oder papierzellstoff"

Publications (2)

Publication Number Publication Date
FR2501741A1 true FR2501741A1 (fr) 1982-09-17
FR2501741B3 FR2501741B3 (enrdf_load_stackoverflow) 1984-02-03

Family

ID=6126827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8203851A Granted FR2501741A1 (fr) 1981-03-10 1982-03-08 Procede et installation de production de cellulose a usage chimique ou pour la fabrication du papier, ou pour les deux applications

Country Status (5)

Country Link
AT (1) AT375105B (enrdf_load_stackoverflow)
DE (1) DE3109098A1 (enrdf_load_stackoverflow)
FI (1) FI820610A7 (enrdf_load_stackoverflow)
FR (1) FR2501741A1 (enrdf_load_stackoverflow)
SE (1) SE8201369L (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
SE8201369L (sv) 1982-09-11
FI820610L (fi) 1982-09-11
AT375105B (de) 1984-07-10
FI820610A7 (fi) 1982-09-11
DE3109098A1 (de) 1982-12-30
ATA143081A (de) 1983-11-15
FR2501741B3 (enrdf_load_stackoverflow) 1984-02-03

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Legal Events

Date Code Title Description
ST Notification of lapse