SE379069B - - Google Patents
Info
- Publication number
- SE379069B SE379069B SE7311580A SE7311580A SE379069B SE 379069 B SE379069 B SE 379069B SE 7311580 A SE7311580 A SE 7311580A SE 7311580 A SE7311580 A SE 7311580A SE 379069 B SE379069 B SE 379069B
- Authority
- SE
- Sweden
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
-
- 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
-
- 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
- D21C9/1068—Bleaching ; Apparatus therefor with O2
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7311580A SE379069B (fr) | 1973-08-27 | 1973-08-27 | |
DE19742437841 DE2437841C3 (de) | 1973-08-27 | 1974-08-06 | Verfahren und Vorrichtung zur Behandlung von gekochtem Faserstoffbrei mit Gas |
FI2377/74A FI61733C (fi) | 1973-08-27 | 1974-08-09 | Behandling med gas speciellt syrgas |
FR7428111A FR2242513B1 (fr) | 1973-08-27 | 1974-08-13 | |
US05/500,899 US3963561A (en) | 1973-08-27 | 1974-08-26 | Recirculation of unconsumed oxygen pulp bleaching gas |
CA207,811A CA1038108A (fr) | 1973-08-27 | 1974-08-26 | Traitement au gaz, particulierement au gaz oxygene |
BR7095/74A BR7407095D0 (pt) | 1973-08-27 | 1974-08-27 | Processo e aparelho para tratar com um gas como oxigenio por exemplo em um reator preferentemente sob pressao superatmosferica polpa de fibra cozida |
JP49097592A JPS5052302A (fr) | 1973-08-27 | 1974-08-27 | |
US05/656,585 US4093511A (en) | 1973-08-27 | 1976-02-09 | Apparatus for oxygen bleaching of pulp including recirculation of exhaust gases |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7311580A SE379069B (fr) | 1973-08-27 | 1973-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7311580L SE7311580L (fr) | 1975-02-28 |
SE379069B true SE379069B (fr) | 1975-09-22 |
Family
ID=20318332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7311580A SE379069B (fr) | 1973-08-27 | 1973-08-27 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3963561A (fr) |
JP (1) | JPS5052302A (fr) |
BR (1) | BR7407095D0 (fr) |
CA (1) | CA1038108A (fr) |
FI (1) | FI61733C (fr) |
FR (1) | FR2242513B1 (fr) |
SE (1) | SE379069B (fr) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52121501A (en) * | 1976-04-07 | 1977-10-13 | Mitsubishi Heavy Ind Ltd | Process and apparatus for removing badly smelling constituents from kraft digesting liquid |
SE417114B (sv) * | 1977-07-25 | 1981-02-23 | Mo Och Domsjoe Ab | Forfarande for forebyggande av inkrustbildning i cellulosafabriker |
US4161421A (en) * | 1977-09-13 | 1979-07-17 | Kamyr, Inc. | Method and apparatus for continuous oxygen bleaching of cellulosic pulp |
US4128454A (en) * | 1977-12-07 | 1978-12-05 | Ingersoll-Rand Co. | System and method for gas phase pulp bleaching |
US4209359A (en) * | 1978-10-23 | 1980-06-24 | International Paper Company | Process for removing residual oxygen from oxygen-bleached pulp |
US4220498A (en) * | 1978-12-14 | 1980-09-02 | Kamyr, Inc. | Oxygen reactor systems pulp reject treatment |
US4259150A (en) * | 1978-12-18 | 1981-03-31 | Kamyr Inc. | Plural stage mixing and thickening oxygen bleaching process |
SE462919B (sv) * | 1979-05-11 | 1990-09-17 | Sunds Defibrator Ind Ab | Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre |
US4363697A (en) * | 1979-12-03 | 1982-12-14 | The Black Clawson Company | Method for medium consistency oxygen delignification of pulp |
JPS5940399U (ja) * | 1982-09-08 | 1984-03-15 | 石川島播磨重工業株式会社 | パルプ脱リグニン装置 |
US4581104A (en) * | 1983-08-11 | 1986-04-08 | Ingersoll-Rand Company | Method of reducing the lignin in wood pulp with oxygen gas recirculation |
US4684442A (en) * | 1984-03-29 | 1987-08-04 | Weyerhaeuser Company | Oxygen reactor deaeration tank and system |
AT380496B (de) * | 1984-06-27 | 1986-05-26 | Steyrermuehl Papier | Verfahren und reaktor zur delignifizierung von zellstoff mit sauerstoff |
DE3578378D1 (de) * | 1985-04-01 | 1990-08-02 | Weyerhaeuser Co | Entlueftungsbehaelter und einrichtung zu dessen verwendung. |
US5300195A (en) * | 1988-05-31 | 1994-04-05 | Kamyr Ab | Continuous vertical digester apparatus |
AT395180B (de) * | 1989-08-16 | 1992-10-12 | Andritz Ag Maschf | Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung |
SE469387B (sv) * | 1992-05-11 | 1993-06-28 | Kamyr Ab | Saett vid blekning av massa utan anvaendning av klorkemikalier |
SE500113C2 (sv) | 1992-07-09 | 1994-04-18 | Kamyr Ab | Sätt vid blekning av massa för omhändertagande av utlösta metaller |
US5460696A (en) * | 1993-08-12 | 1995-10-24 | The Boc Group, Inc. | Oxygen delignification method incorporating wood pulp mixing apparatus |
ZA947310B (en) * | 1993-09-22 | 1995-05-10 | Ingersoll Rand Co | Method of and apparatus for oxygen delignifiation of medium consistency pulp slurry |
US5688368A (en) * | 1993-12-10 | 1997-11-18 | Beloit Technologies, Inc. | Method for cooling and ozone bleaching wood pulp |
US6210527B1 (en) | 1994-03-14 | 2001-04-03 | The Boc Group, Inc. | Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream |
WO1997027358A2 (fr) * | 1995-12-07 | 1997-07-31 | Beloit Technologies, Inc. | Delignification par de l'oxygene d'une pate a papier de consistance moyenne |
WO1997036042A1 (fr) * | 1996-03-26 | 1997-10-02 | Sunds Defibrator Industries Ab | Procede pour la delignification a l'oxygene de la pate chimique en deux etapes |
US20020129911A1 (en) * | 2000-10-16 | 2002-09-19 | Marcoccia Bruno S. | Process and configuration for providing external upflow/internal downflow in a continuous digester |
CN106351048B (zh) * | 2016-10-27 | 2018-01-19 | 中科双泰(北京)环保科技有限公司 | 一种秸秆纤维多功能一体机 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1529919A (en) * | 1922-03-06 | 1925-03-17 | Stebbins Engineering And Mfg C | Pulp-bleaching method and apparatus |
US1541371A (en) * | 1925-03-09 | 1925-06-09 | Stebbins Engineering & Mfg Co | Method and apparatus for bleaching pulp |
US1576018A (en) * | 1925-07-28 | 1926-03-09 | Robert B Wolf | Controlling bleaching operations |
US3703435A (en) * | 1967-11-09 | 1972-11-21 | Sunds Ab | Method for finely disintegrating pulp,preferentially cellulose pulp,in connection with the bleaching thereof with gaseous bleaching agent |
SE355614B (fr) * | 1970-05-13 | 1973-04-30 | Mo Och Domsjoe Ab |
-
1973
- 1973-08-27 SE SE7311580A patent/SE379069B/xx unknown
-
1974
- 1974-08-09 FI FI2377/74A patent/FI61733C/fi active
- 1974-08-13 FR FR7428111A patent/FR2242513B1/fr not_active Expired
- 1974-08-26 US US05/500,899 patent/US3963561A/en not_active Expired - Lifetime
- 1974-08-26 CA CA207,811A patent/CA1038108A/fr not_active Expired
- 1974-08-27 BR BR7095/74A patent/BR7407095D0/pt unknown
- 1974-08-27 JP JP49097592A patent/JPS5052302A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FI61733B (fi) | 1982-05-31 |
CA1038108A (fr) | 1978-09-12 |
DE2437841A1 (de) | 1975-03-13 |
FR2242513B1 (fr) | 1976-12-31 |
FR2242513A1 (fr) | 1975-03-28 |
US3963561A (en) | 1976-06-15 |
FI237774A (fr) | 1975-02-28 |
SE7311580L (fr) | 1975-02-28 |
FI61733C (fi) | 1984-02-28 |
DE2437841B2 (de) | 1977-01-20 |
JPS5052302A (fr) | 1975-05-09 |
BR7407095D0 (pt) | 1975-06-24 |