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 kraftInfo
- 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
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)
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 (de) |
BE (1) | BE816863Q (de) |
DE (1) | DE2413123B2 (de) |
Families Citing this family (4)
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 |
-
1972
- 1972-04-24 US US00247119A patent/US3798119A/en not_active Expired - Lifetime
-
1974
- 1974-03-15 DE DE19742413123 patent/DE2413123B2/de not_active Withdrawn
- 1974-06-26 BE BE1006046A patent/BE816863Q/xx active
Also Published As
Publication number | Publication date |
---|---|
DE2413123B2 (de) | 1977-05-12 |
US3798119A (en) | 1974-03-19 |
DE2413123A1 (de) | 1975-10-16 |
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 | |
BE814797A (fr) | Procede d'evacuation de dechets particulaires | |
BE760672A (fr) | Procede de production d'alcenes | |
BE762518A (fr) | Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux | |
CA1009649A (en) | PROCESS FOR PURIFYING .alpha.-L-ASPARTYL-L-PHENYLALANINE LOWER ALKYL ESTERS | |
PH13610A (en) | System for transporting a filament-bundle from a spinning process to a cussessive drawing process | |
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 | |
BE804533A (fr) | Procede d'extraction de houblon | |
BE804236A (fr) | Procede d'extraction de polylactames | |
ES391530A1 (es) | Procedimiento para preparar 7-halo-lincomicina. | |
BE800304A (fr) | Systeme de tubes pour l'introduction d'un catalyseur | |
HU170406B (en) | Process for producing azetidine-2-sulfenic acid silis-esters | |
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 | |
BE777069A (fr) | Procede d'obtention d'hydrogenochlorosilanes | |
CA974040A (en) | Crane for extracting horizontal long tube bundles | |
BE769230A (fr) | Procede de preparation d'acides carboxyliques a partir de glycols | |
BE803679A (fr) | Procede de fabrication d'un compost |