AU543014B2 - Oxygen delignification of pulp - Google Patents
Oxygen delignification of pulpInfo
- Publication number
- AU543014B2 AU543014B2 AU74922/81A AU7492281A AU543014B2 AU 543014 B2 AU543014 B2 AU 543014B2 AU 74922/81 A AU74922/81 A AU 74922/81A AU 7492281 A AU7492281 A AU 7492281A AU 543014 B2 AU543014 B2 AU 543014B2
- Authority
- AU
- Australia
- Prior art keywords
- pulp
- oxygen delignification
- delignification
- oxygen
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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
- D21C9/1068—Bleaching ; Apparatus therefor with O2
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18451480A | 1980-09-05 | 1980-09-05 | |
| US184514 | 1988-04-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU7492281A AU7492281A (en) | 1982-03-11 |
| AU543014B2 true AU543014B2 (en) | 1985-03-28 |
Family
ID=22677195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU74922/81A Ceased AU543014B2 (en) | 1980-09-05 | 1981-09-03 | Oxygen delignification of pulp |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0047656A1 (en) |
| JP (1) | JPS57121687A (en) |
| AU (1) | AU543014B2 (en) |
| CA (1) | CA1176408A (en) |
| ES (1) | ES8205285A1 (en) |
| FI (1) | FI812725L (en) |
| NO (1) | NO813009L (en) |
| ZA (1) | ZA816105B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5525195A (en) * | 1989-02-15 | 1996-06-11 | Union Camp Patent Holding, Inc. | Process for high consistency delignification using a low consistency alkali pretreatment |
| US5173153A (en) * | 1991-01-03 | 1992-12-22 | Union Camp Patent Holding, Inc. | Process for enhanced oxygen delignification using high consistency and a split alkali addition |
| US5736004A (en) * | 1995-03-03 | 1998-04-07 | Union Camp Patent Holding, Inc. | Control scheme for rapid pulp delignification and bleaching |
| US5672247A (en) * | 1995-03-03 | 1997-09-30 | Union Camp Patent Holding, Inc. | Control scheme for rapid pulp delignification and bleaching |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA918978A (en) * | 1970-01-08 | 1973-01-16 | G. Jamieson Allan | Oxygen bleaching |
| JPS5119481B2 (en) * | 1973-08-30 | 1976-06-17 | ||
| US4363697A (en) * | 1979-12-03 | 1982-12-14 | The Black Clawson Company | Method for medium consistency oxygen delignification of pulp |
-
1981
- 1981-09-02 ZA ZA816105A patent/ZA816105B/en unknown
- 1981-09-03 FI FI812725A patent/FI812725L/en not_active Application Discontinuation
- 1981-09-03 AU AU74922/81A patent/AU543014B2/en not_active Ceased
- 1981-09-04 ES ES505210A patent/ES8205285A1/en not_active Expired
- 1981-09-04 CA CA000385272A patent/CA1176408A/en not_active Expired
- 1981-09-04 NO NO813009A patent/NO813009L/en unknown
- 1981-09-04 JP JP56139648A patent/JPS57121687A/en active Pending
- 1981-09-07 EP EP81304078A patent/EP0047656A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57121687A (en) | 1982-07-29 |
| CA1176408A (en) | 1984-10-23 |
| AU7492281A (en) | 1982-03-11 |
| ES505210A0 (en) | 1982-06-01 |
| ZA816105B (en) | 1982-09-29 |
| ES8205285A1 (en) | 1982-06-01 |
| EP0047656A1 (en) | 1982-03-17 |
| FI812725A7 (en) | 1982-03-06 |
| FI812725L (en) | 1982-03-06 |
| NO813009L (en) | 1982-03-08 |
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