ZA762002B - Oxygen bleaching in the presence of a catalyst - Google Patents
Oxygen bleaching in the presence of a catalystInfo
- Publication number
- ZA762002B ZA762002B ZA762002A ZA762002A ZA762002B ZA 762002 B ZA762002 B ZA 762002B ZA 762002 A ZA762002 A ZA 762002A ZA 762002 A ZA762002 A ZA 762002A ZA 762002 B ZA762002 B ZA 762002B
- Authority
- ZA
- South Africa
- Prior art keywords
- catalyst
- oxygen bleaching
- bleaching
- oxygen
- 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
- 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
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US59157275A | 1975-06-30 | 1975-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA762002B true ZA762002B (en) | 1977-04-27 |
Family
ID=24366990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA762002A ZA762002B (en) | 1975-06-30 | 1976-04-02 | Oxygen bleaching in the presence of a catalyst |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS525302A (no) |
| AU (1) | AU504749B2 (no) |
| BR (1) | BR7602753A (no) |
| CA (1) | CA1043514A (no) |
| FI (1) | FI761496A (no) |
| FR (1) | FR2316376A1 (no) |
| NO (1) | NO761777L (no) |
| SE (1) | SE7601935L (no) |
| ZA (1) | ZA762002B (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998020199A1 (en) * | 1996-11-06 | 1998-05-14 | Macmillan Bloedel Limited | Vanadyl catalyzed oxygen treatment of lignocellulosic materials |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE380298B (sv) * | 1974-03-14 | 1975-11-03 | Mo | Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material |
| JPS5039161B2 (no) * | 1974-12-23 | 1975-12-15 |
-
1976
- 1976-02-19 SE SE7601935A patent/SE7601935L/ not_active Application Discontinuation
- 1976-03-02 CA CA246,970A patent/CA1043514A/en not_active Expired
- 1976-04-02 ZA ZA762002A patent/ZA762002B/xx unknown
- 1976-04-02 AU AU12617/76A patent/AU504749B2/en not_active Expired
- 1976-05-04 BR BR7602753A patent/BR7602753A/pt unknown
- 1976-05-20 FR FR7615276A patent/FR2316376A1/fr active Pending
- 1976-05-25 NO NO761777A patent/NO761777L/no unknown
- 1976-05-27 FI FI761496A patent/FI761496A/fi not_active Application Discontinuation
- 1976-05-28 JP JP51062188A patent/JPS525302A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1043514A (en) | 1978-12-05 |
| SE7601935L (sv) | 1976-12-31 |
| AU1261776A (en) | 1977-10-06 |
| BR7602753A (pt) | 1977-05-10 |
| NO761777L (no) | 1977-01-03 |
| AU504749B2 (en) | 1979-10-25 |
| FI761496A (no) | 1976-12-31 |
| FR2316376A1 (fr) | 1977-01-28 |
| JPS525302A (en) | 1977-01-17 |
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