ATE151824T1 - Aufschlussverfahren - Google Patents
AufschlussverfahrenInfo
- Publication number
- ATE151824T1 ATE151824T1 AT92900022T AT92900022T ATE151824T1 AT E151824 T1 ATE151824 T1 AT E151824T1 AT 92900022 T AT92900022 T AT 92900022T AT 92900022 T AT92900022 T AT 92900022T AT E151824 T1 ATE151824 T1 AT E151824T1
- Authority
- AT
- Austria
- Prior art keywords
- digester
- digestation
- bleaching
- pulp
- treatments
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage 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
- D21C9/1026—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
- D21C9/1026—Other features in bleaching processes
- D21C9/1031—Pulse, dynamic, displacement processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Prostheses (AREA)
- Radiation-Therapy Devices (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Drying Of Semiconductors (AREA)
- Materials For Photolithography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60260590A | 1990-10-24 | 1990-10-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE151824T1 true ATE151824T1 (de) | 1997-05-15 |
Family
ID=24412030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92900022T ATE151824T1 (de) | 1990-10-24 | 1991-10-07 | Aufschlussverfahren |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0554391B1 (fi) |
CN (1) | CN1028250C (fi) |
AT (1) | ATE151824T1 (fi) |
AU (1) | AU9022291A (fi) |
CA (1) | CA2094819C (fi) |
DE (1) | DE69125722T2 (fi) |
ES (1) | ES2101830T3 (fi) |
FI (1) | FI931854A (fi) |
MX (1) | MX9101706A (fi) |
NO (1) | NO302187B1 (fi) |
PL (1) | PL168216B1 (fi) |
RU (1) | RU2068904C1 (fi) |
WO (1) | WO1992007994A1 (fi) |
ZA (1) | ZA918441B (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5936338A (ja) * | 1982-08-24 | 1984-02-28 | Matsushita Electric Ind Co Ltd | 光デイスク記録再生方法 |
USH1690H (en) * | 1995-07-20 | 1997-11-04 | Nye; Jeffrey | Process for bleaching kraft pulp |
FR2885371B1 (fr) * | 2005-05-03 | 2007-08-03 | Cie Ind De La Matiere Vegetale | Installation pour la mise en oeuvre d'un procede de production de pate a papier, de lignines et de sucres et procede de production au moyen d'une telle installation |
US9932709B2 (en) | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
CN103498375B (zh) * | 2013-09-24 | 2015-06-03 | 昆明理工大学 | 一种光叶楮白皮的制浆方法 |
BR102014027199B1 (pt) * | 2014-07-14 | 2022-10-04 | Nalco Company | Método para aprimorar a fabricação de polpa de soda ou kraft |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE353105C (de) * | 1921-07-16 | 1922-05-18 | Leopold Enge | Verfahren zur Herstellung von Holzstoff |
SE373397C (sv) * | 1972-03-30 | 1984-02-06 | Mo Och Domsjoe Ab | Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas |
US4578149A (en) * | 1981-03-05 | 1986-03-25 | Fagerlund Bertil K E | Process for digesting cellulosic material with heat recovery |
-
1991
- 1991-10-07 ES ES92900022T patent/ES2101830T3/es not_active Expired - Lifetime
- 1991-10-07 RU RU9193005264A patent/RU2068904C1/ru active
- 1991-10-07 AT AT92900022T patent/ATE151824T1/de not_active IP Right Cessation
- 1991-10-07 EP EP92900022A patent/EP0554391B1/en not_active Expired - Lifetime
- 1991-10-07 WO PCT/US1991/007402 patent/WO1992007994A1/en active IP Right Grant
- 1991-10-07 PL PL91298537A patent/PL168216B1/pl unknown
- 1991-10-07 AU AU90222/91A patent/AU9022291A/en not_active Abandoned
- 1991-10-07 CA CA002094819A patent/CA2094819C/en not_active Expired - Fee Related
- 1991-10-07 DE DE69125722T patent/DE69125722T2/de not_active Expired - Fee Related
- 1991-10-22 MX MX9101706A patent/MX9101706A/es not_active IP Right Cessation
- 1991-10-23 ZA ZA918441A patent/ZA918441B/xx unknown
- 1991-10-24 CN CN91109845A patent/CN1028250C/zh not_active Expired - Fee Related
-
1993
- 1993-04-22 NO NO931486A patent/NO302187B1/no unknown
- 1993-04-23 FI FI931854A patent/FI931854A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
ZA918441B (en) | 1992-07-29 |
CN1061452A (zh) | 1992-05-27 |
DE69125722D1 (de) | 1997-05-22 |
AU9022291A (en) | 1992-05-26 |
CA2094819C (en) | 1999-02-02 |
FI931854A0 (fi) | 1993-04-23 |
DE69125722T2 (de) | 1997-09-04 |
CA2094819A1 (en) | 1992-04-25 |
PL168216B1 (pl) | 1996-01-31 |
ES2101830T3 (es) | 1997-07-16 |
EP0554391A1 (en) | 1993-08-11 |
NO931486D0 (no) | 1993-04-22 |
FI931854A (fi) | 1993-04-23 |
EP0554391B1 (en) | 1997-04-16 |
WO1992007994A1 (en) | 1992-05-14 |
NO302187B1 (no) | 1998-02-02 |
MX9101706A (es) | 1992-06-05 |
CN1028250C (zh) | 1995-04-19 |
NO931486L (no) | 1993-04-22 |
RU2068904C1 (ru) | 1996-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |