AT334194B - Verfahren und vorrichtung zum delignifizieren von feuchten lignozellulosematerialien - Google Patents
Verfahren und vorrichtung zum delignifizieren von feuchten lignozellulosematerialienInfo
- Publication number
- AT334194B AT334194B AT347674A AT347674A AT334194B AT 334194 B AT334194 B AT 334194B AT 347674 A AT347674 A AT 347674A AT 347674 A AT347674 A AT 347674A AT 334194 B AT334194 B AT 334194B
- Authority
- AT
- Austria
- Prior art keywords
- delignifying
- lignocellulose materials
- wet
- wet lignocellulose
- materials
- 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
- D21C7/00—Digesters
-
- 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
- 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
-
- 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)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7306038A SE387671B (sv) | 1973-04-27 | 1973-04-27 | Anordning for blekning av kompakt, icke fluffat vetskehaltigt lignocellulosamaterial med gasformiga blekmedel, foretredesvis syrgas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AT334194B true AT334194B (de) | 1976-01-10 |
| ATA347674A ATA347674A (de) | 1976-04-15 |
Family
ID=20317328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT347674A AT334194B (de) | 1973-04-27 | 1974-04-26 | Verfahren und vorrichtung zum delignifizieren von feuchten lignozellulosematerialien |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5322561B2 (de) |
| AT (1) | AT334194B (de) |
| BR (1) | BR7403443D0 (de) |
| FR (1) | FR2227388A1 (de) |
| SE (1) | SE387671B (de) |
| ZA (1) | ZA742289B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5930980A (ja) * | 1982-08-12 | 1984-02-18 | 王子製紙株式会社 | リグノセルロ−ス物質の漂白方法 |
| JPH067330B2 (ja) * | 1984-02-21 | 1994-01-26 | 松下電器産業株式会社 | エクスプレツシヨンのフツトスイツチ装置 |
| CA1276408C (en) * | 1985-06-14 | 1990-11-20 | Gordon Rowlandson | Pressurised pulp chlorination and chlorine introduction in minute bubbles |
| AU595842B2 (en) * | 1985-11-15 | 1990-04-12 | Canadian Liquid Air Ltd. | Pulp bleaching |
| US5460696A (en) * | 1993-08-12 | 1995-10-24 | The Boc Group, Inc. | Oxygen delignification method incorporating wood pulp mixing apparatus |
| RU2103433C1 (ru) * | 1995-01-16 | 1998-01-27 | Грудинин Владимир Павлович | Способ обработки волокнистой массы химическим реагентом и установка для его осуществления |
| CN105256635B (zh) * | 2015-10-31 | 2017-06-16 | 重庆市南川区金鑫纸业有限公司 | 用于纸浆的漂白设备 |
-
1973
- 1973-04-27 SE SE7306038A patent/SE387671B/xx unknown
-
1974
- 1974-04-09 ZA ZA00742289A patent/ZA742289B/xx unknown
- 1974-04-18 JP JP4438874A patent/JPS5322561B2/ja not_active Expired
- 1974-04-26 FR FR7414679A patent/FR2227388A1/fr active Granted
- 1974-04-26 BR BR3443/74A patent/BR7403443D0/pt unknown
- 1974-04-26 AT AT347674A patent/AT334194B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR7403443D0 (pt) | 1974-11-19 |
| ZA742289B (en) | 1975-03-26 |
| FR2227388B1 (de) | 1977-10-21 |
| JPS5012301A (de) | 1975-02-07 |
| ATA347674A (de) | 1976-04-15 |
| FR2227388A1 (en) | 1974-11-22 |
| SE387671B (sv) | 1976-09-13 |
| JPS5322561B2 (de) | 1978-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| ELJ | Ceased due to non-payment of the annual fee |