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 | 1985-10-28 | 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 SE SE7702781A patent/SE7702781L/en unknown
- 1977-03-11 FR FR7707412A patent/FR2343855A1/en active Pending
- 1977-03-11 NO NO770870A patent/NO770870L/en unknown
- 1977-03-11 JP JP2615377A patent/JPS52110902A/en active Pending
- 1977-03-11 TR TR19409A patent/TR19409A/en unknown
- 1977-03-11 AU AU23177/77A patent/AU504413B2/en not_active Expired
- 1977-03-11 BR BR7701481A patent/BR7701481A/en unknown
- 1977-03-11 ZA ZA00771491A patent/ZA771491B/en unknown
- 1977-03-11 DE DE19772710700 patent/DE2710700A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS52110902A (en) | 1977-09-17 |
DE2710700A1 (en) | 1977-09-15 |
SE7702781L (en) | 1977-09-13 |
TR19409A (en) | 1979-03-01 |
BR7701481A (en) | 1977-11-29 |
AU504413B2 (en) | 1979-10-11 |
FR2343855A1 (en) | 1977-10-07 |
FI770790A (en) | 1977-09-13 |
NO770870L (en) | 1977-09-13 |
AU2317777A (en) | 1978-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA785692B (en) | Oxygen delignification of wood pulp | |
JPS54160755A (en) | Production of glucose by hydrosisis of cellulose | |
JPS53130308A (en) | Bleaching of high yield pulp by peroxide | |
NZ188014A (en) | Production of lignocellulose pulp by grinding at increased temperature | |
ES498467A0 (en) | CYCLE PROCEDURE FOR THE PRODUCTION OF HYDROGEN PEROXIDE | |
DE3265714D1 (en) | Production of cellulose from wood or other lignocellulosic plants by microbiological decomposition of lignocellulose | |
JPS54105211A (en) | Production of artificial woody veneer | |
ZA771491B (en) | Process of increasing the yield of pulp by oxygen pretreatment of wood chips prior to chemical pulping | |
JPS5296201A (en) | Process for producing chemical pulp from hard wood | |
JPS5253004A (en) | Improved oxygen i alkali lignin separating process for wood pulp | |
JPS5379085A (en) | Removing of lignin by biological pretreatment of lignocellulose | |
JPS5459401A (en) | Production of ground pulp from wood chips | |
JPS5263402A (en) | Process for bleaching pulp with peroxides | |
ZA757822B (en) | Bleaching process for wood pulp with the use of considerably reduced amounts of chlorine | |
JPS54105214A (en) | Production of artificial woody veneer | |
JPS54131003A (en) | Production of chemical pulp | |
JPS5551890A (en) | High yield production of pulp | |
ZA79388B (en) | An anti-pollution process for bleaching wood pulp | |
JPS54117014A (en) | Production of artificial woody veneer | |
JPS5270102A (en) | Process for bleaching pulp with peroxides | |
JPS53104709A (en) | Production of woody laminated board | |
JPS5437809A (en) | Production of artificial woody veneer | |
JPS5476807A (en) | Production of artificial woody veneer | |
JPS5415005A (en) | Treating of waste liquor obtained from pulp making process by oxygen oxidizing of plant except wood | |
JPS51116206A (en) | Bleaching process of pulp with high yield |