AU547453B2 - Delignifying lignocellulosic material - Google Patents
Delignifying lignocellulosic materialInfo
- Publication number
- AU547453B2 AU547453B2 AU75642/81A AU7564281A AU547453B2 AU 547453 B2 AU547453 B2 AU 547453B2 AU 75642/81 A AU75642/81 A AU 75642/81A AU 7564281 A AU7564281 A AU 7564281A AU 547453 B2 AU547453 B2 AU 547453B2
- Authority
- AU
- Australia
- Prior art keywords
- lignocellulosic material
- delignifying lignocellulosic
- delignifying
- lignocellulosic
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH718380 | 1980-09-25 | ||
CH7183/80 | 1980-09-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU7564281A AU7564281A (en) | 1982-04-01 |
AU547453B2 true AU547453B2 (en) | 1985-10-24 |
Family
ID=4321202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU75642/81A Ceased AU547453B2 (en) | 1980-09-25 | 1981-09-24 | Delignifying lignocellulosic material |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0049221B1 (en) |
JP (1) | JPS5789691A (en) |
AU (1) | AU547453B2 (en) |
BR (1) | BR8106122A (en) |
CA (1) | CA1174810A (en) |
DE (1) | DE3161711D1 (en) |
FI (1) | FI69654C (en) |
NO (1) | NO813257L (en) |
ZA (1) | ZA816637B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6702921B2 (en) * | 2001-05-01 | 2004-03-09 | Ondeo Nalco Company | Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent |
US7351764B2 (en) | 2004-03-31 | 2008-04-01 | Nalco Company | Methods to enhance brightness of pulp and optimize use of bleaching chemicals |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1097463A (en) * | 1976-12-13 | 1981-03-17 | Naphtali N. Vanderhoek | Pulping processes |
US4248663A (en) * | 1978-07-05 | 1981-02-03 | Pulp And Paper Research Institute Of Canada | Pulping with an alkaline liquor containing a cyclic keto compound and an amino compound |
-
1981
- 1981-09-21 FI FI812935A patent/FI69654C/en not_active IP Right Cessation
- 1981-09-21 EP EP81810386A patent/EP0049221B1/en not_active Expired
- 1981-09-21 DE DE8181810386T patent/DE3161711D1/en not_active Expired
- 1981-09-23 CA CA000386480A patent/CA1174810A/en not_active Expired
- 1981-09-24 ZA ZA816637A patent/ZA816637B/en unknown
- 1981-09-24 BR BR8106122A patent/BR8106122A/en unknown
- 1981-09-24 AU AU75642/81A patent/AU547453B2/en not_active Ceased
- 1981-09-24 NO NO813257A patent/NO813257L/en unknown
- 1981-09-25 JP JP56150805A patent/JPS5789691A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FI69654B (en) | 1985-11-29 |
FI69654C (en) | 1986-03-10 |
DE3161711D1 (en) | 1984-01-26 |
FI812935L (en) | 1982-03-26 |
NO813257L (en) | 1982-03-26 |
EP0049221B1 (en) | 1983-12-21 |
CA1174810A (en) | 1984-09-25 |
AU7564281A (en) | 1982-04-01 |
BR8106122A (en) | 1982-06-15 |
ZA816637B (en) | 1982-09-29 |
JPS5789691A (en) | 1982-06-04 |
EP0049221A1 (en) | 1982-04-07 |
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