BE816863Q - Procede de blanchiment de pate kraft par l'oxygene en presence de liqueur blanche provenant d'un systeme de recuperation de pate kraft - Google Patents

Procede de blanchiment de pate kraft par l'oxygene en presence de liqueur blanche provenant d'un systeme de recuperation de pate kraft

Info

Publication number
BE816863Q
BE816863Q BE1006046A BE1006046A BE816863Q BE 816863 Q BE816863 Q BE 816863Q BE 1006046 A BE1006046 A BE 1006046A BE 1006046 A BE1006046 A BE 1006046A BE 816863 Q BE816863 Q BE 816863Q
Authority
BE
Belgium
Prior art keywords
kraft paste
oxygen
recovery system
bleaching
kraft
Prior art date
Application number
BE1006046A
Other languages
English (en)
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 filed Critical
Application granted granted Critical
Publication of BE816863Q publication Critical patent/BE816863Q/fr

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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BE1006046A 1972-04-24 1974-06-26 Procede de blanchiment de pate kraft par l'oxygene en presence de liqueur blanche provenant d'un systeme de recuperation de pate kraft BE816863Q (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24711972A 1972-04-24 1972-04-24
DE19742413123 DE2413123B2 (de) 1972-04-24 1974-03-15 Bleichverfahren auf sauerstoffbasis fuer kraftpulpe

Publications (1)

Publication Number Publication Date
BE816863Q true BE816863Q (fr) 1974-10-16

Family

ID=25766824

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1006046A BE816863Q (fr) 1972-04-24 1974-06-26 Procede de blanchiment de pate kraft par l'oxygene en presence de liqueur blanche provenant d'un systeme de recuperation de pate kraft

Country Status (3)

Country Link
US (1) US3798119A (fr)
BE (1) BE816863Q (fr)
DE (1) DE2413123B2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196043A (en) * 1970-12-21 1980-04-01 Scott Paper Company Kraft pulp bleaching and recovery process
GB1449828A (en) * 1973-04-26 1976-09-15 Canadian Ind Oxygen pulping process
SE8704041L (sv) * 1987-10-16 1989-04-17 Sca Development Ab Saett vid blekning av cellulosamassa
US6036355A (en) * 1997-07-14 2000-03-14 Quantum Technologies, Inc. Reactor mixing assembly

Also Published As

Publication number Publication date
DE2413123A1 (de) 1975-10-16
DE2413123B2 (de) 1977-05-12
US3798119A (en) 1974-03-19

Similar Documents

Publication Publication Date Title
BE768915A (fr) Procede d'enlevement de vapeur de mercure a partir de
BE764315A (fr) Procede de production d'oxygene
BE814762A (fr) Procede de separation de l'acide acrylique de ses solutions aqueuses
BE814797A (fr) Procede d'evacuation de dechets particulaires
BE762518A (fr) Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux
BE760672A (fr) Procede de production d'alcenes
BE828697A (fr) Procede de recuperation d'alpha-galactosidase raffinee
CA1009649A (en) PROCESS FOR PURIFYING .alpha.-L-ASPARTYL-L-PHENYLALANINE LOWER ALKYL ESTERS
CA926044A (en) Process for removing dissolved oxygen from aqueous fluids
BE816863Q (fr) Procede de blanchiment de pate kraft par l'oxygene en presence de liqueur blanche provenant d'un systeme de recuperation de pate kraft
BE804134A (fr) Procede de preparation d'un acide (ar) alcene carboxylique
BE804236A (fr) Procede d'extraction de polylactames
BE804533A (fr) Procede d'extraction de houblon
BE778325A (fr) Procede pour l'obtention d'acetonitrile pur
BE753555A (fr) Procede pour l'utilisation des dreches de houblon
BE800304A (fr) Systeme de tubes pour l'introduction d'un catalyseur
BE779223A (fr) Procede de preparation de carbonate de sodium monohydrate a partir de soude electrolytique
BE776577A (fr) Procede pour l'obtention d'anhydride maleique pur
BE805130A (fr) Procede de production de l'hydroquinone
BE809399A (fr) Procede de formation d'image
BE807682A (fr) Procede d'obtention de trimethylvinylsilane par extraction liquide-liquide
BE770846A (fr) Procede pour l'obtention de composes carbones optiquement actifs
BE769128A (fr) Procede pour l'obtention de glycols vicinaux a partir de dihalogenures vicinaux
BE806254A (fr) Procede d'extraction
BE777069A (fr) Procede d'obtention d'hydrogenochlorosilanes