ZA771491B - Process of increasing the yield of pulp by oxygen pretreatment of wood chips prior to chemical pulping - Google Patents
Process of increasing the yield of pulp by oxygen pretreatment of wood chips prior to chemical pulpingInfo
- Publication number
- ZA771491B ZA771491B ZA00771491A ZA771491A ZA771491B ZA 771491 B ZA771491 B ZA 771491B ZA 00771491 A ZA00771491 A ZA 00771491A ZA 771491 A ZA771491 A ZA 771491A ZA 771491 B ZA771491 B ZA 771491B
- Authority
- ZA
- South Africa
- Prior art keywords
- pulp
- yield
- increasing
- wood chips
- chemical pulping
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/08—Pretreatment of the finely-divided materials before digesting with oxygen-generating compounds
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66625776A | 1976-03-12 | 1976-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA771491B true ZA771491B (en) | 1978-02-22 |
Family
ID=24673454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00771491A ZA771491B (en) | 1976-03-12 | 1977-03-11 | Process of increasing the yield of pulp by oxygen pretreatment of wood chips prior to chemical pulping |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS52110902A (en) |
| AU (1) | AU504413B2 (en) |
| BR (1) | BR7701481A (en) |
| DE (1) | DE2710700A1 (en) |
| FI (1) | FI770790A (en) |
| FR (1) | FR2343855A1 (en) |
| NO (1) | NO770870L (en) |
| SE (1) | SE7702781L (en) |
| TR (1) | TR19409A (en) |
| ZA (1) | ZA771491B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4859543A (en) * | 1987-04-28 | 1989-08-22 | Kennametal Inc. | Earth working tool having a working element fabricated from cemented tungsten carbide compositions with enhanced properties |
| US5460696A (en) * | 1993-08-12 | 1995-10-24 | The Boc Group, Inc. | Oxygen delignification method incorporating wood pulp mixing apparatus |
| JP4958166B2 (en) * | 2006-05-31 | 2012-06-20 | 独立行政法人産業技術総合研究所 | Treatment of plant biomass with alcohol in the presence of oxygen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR540571A (en) * | 1921-09-01 | 1922-07-13 | Process for transforming plants into pulp | |
| BE419220A (en) * | 1935-12-31 | |||
| SE391544C (en) * | 1974-12-10 | 1985-10-10 | Billeruds Ab | SET FOR FORCED HEART MATCHING WOOD TIP |
| SE7613149L (en) * | 1976-01-05 | 1977-10-06 | Weyerhaeuser Co | ACID REDUCTION |
-
1977
- 1977-03-11 FI FI770790A patent/FI770790A/fi not_active Application Discontinuation
- 1977-03-11 BR BR7701481A patent/BR7701481A/en unknown
- 1977-03-11 JP JP2615377A patent/JPS52110902A/en active Pending
- 1977-03-11 NO NO770870A patent/NO770870L/en unknown
- 1977-03-11 ZA ZA00771491A patent/ZA771491B/en unknown
- 1977-03-11 FR FR7707412A patent/FR2343855A1/en active Pending
- 1977-03-11 AU AU23177/77A patent/AU504413B2/en not_active Expired
- 1977-03-11 TR TR19409A patent/TR19409A/en unknown
- 1977-03-11 DE DE19772710700 patent/DE2710700A1/en active Pending
- 1977-03-11 SE SE7702781A patent/SE7702781L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52110902A (en) | 1977-09-17 |
| AU2317777A (en) | 1978-09-14 |
| SE7702781L (en) | 1977-09-13 |
| AU504413B2 (en) | 1979-10-11 |
| FI770790A (en) | 1977-09-13 |
| TR19409A (en) | 1979-03-01 |
| NO770870L (en) | 1977-09-13 |
| BR7701481A (en) | 1977-11-29 |
| DE2710700A1 (en) | 1977-09-15 |
| FR2343855A1 (en) | 1977-10-07 |
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