AU504413B2 - Oxygen pretreatment of woodchips prior to chemical pulping - Google Patents
Oxygen pretreatment of woodchips prior to chemical pulpingInfo
- Publication number
- AU504413B2 AU504413B2 AU23177/77A AU2317777A AU504413B2 AU 504413 B2 AU504413 B2 AU 504413B2 AU 23177/77 A AU23177/77 A AU 23177/77A AU 2317777 A AU2317777 A AU 2317777A AU 504413 B2 AU504413 B2 AU 504413B2
- Authority
- AU
- Australia
- Prior art keywords
- woodchips
- prior
- chemical pulping
- oxygen pretreatment
- pretreatment
- 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.)
- Expired
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
- 238000004537 pulping Methods 0.000 title 1
- 239000000126 substance Substances 0.000 title 1
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66625776A | 1976-03-12 | 1976-03-12 | |
| USUS666,257 | 1976-03-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2317777A AU2317777A (en) | 1978-09-14 |
| AU504413B2 true AU504413B2 (en) | 1979-10-11 |
Family
ID=24673454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU23177/77A Expired AU504413B2 (en) | 1976-03-12 | 1977-03-11 | Oxygen pretreatment of woodchips prior to chemical pulping |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS52110902A (OSRAM) |
| AU (1) | AU504413B2 (OSRAM) |
| BR (1) | BR7701481A (OSRAM) |
| DE (1) | DE2710700A1 (OSRAM) |
| FI (1) | FI770790A7 (OSRAM) |
| FR (1) | FR2343855A1 (OSRAM) |
| NO (1) | NO770870L (OSRAM) |
| SE (1) | SE7702781L (OSRAM) |
| TR (1) | TR19409A (OSRAM) |
| ZA (1) | ZA771491B (OSRAM) |
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 (ja) * | 2006-05-31 | 2012-06-20 | 独立行政法人産業技術総合研究所 | 酸素存在下におけるアルコールによる植物系バイオマスの処理方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR540571A (fr) * | 1921-09-01 | 1922-07-13 | Procédé de transformation des végétaux en pâte à papier | |
| BE419220A (OSRAM) * | 1935-12-31 | |||
| SE391544C (sv) * | 1974-12-10 | 1985-10-28 | Billeruds Ab | Sett for forcerad hartsmognad hos vedflis |
| SE7613149L (sv) * | 1976-01-05 | 1977-10-06 | Weyerhaeuser Co | Syredelignifiering |
-
1977
- 1977-03-11 FR FR7707412A patent/FR2343855A1/fr active Pending
- 1977-03-11 BR BR7701481A patent/BR7701481A/pt unknown
- 1977-03-11 ZA ZA00771491A patent/ZA771491B/xx unknown
- 1977-03-11 TR TR19409A patent/TR19409A/xx unknown
- 1977-03-11 NO NO770870A patent/NO770870L/no unknown
- 1977-03-11 AU AU23177/77A patent/AU504413B2/en not_active Expired
- 1977-03-11 JP JP2615377A patent/JPS52110902A/ja active Pending
- 1977-03-11 SE SE7702781A patent/SE7702781L/xx unknown
- 1977-03-11 FI FI770790A patent/FI770790A7/fi not_active Application Discontinuation
- 1977-03-11 DE DE19772710700 patent/DE2710700A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TR19409A (tr) | 1979-03-01 |
| BR7701481A (pt) | 1977-11-29 |
| FR2343855A1 (fr) | 1977-10-07 |
| JPS52110902A (en) | 1977-09-17 |
| ZA771491B (en) | 1978-02-22 |
| SE7702781L (sv) | 1977-09-13 |
| DE2710700A1 (de) | 1977-09-15 |
| NO770870L (no) | 1977-09-13 |
| AU2317777A (en) | 1978-09-14 |
| FI770790A7 (OSRAM) | 1977-09-13 |
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