CA2030090A1 - Lessivage en continu modifie au sulfite - Google Patents
Lessivage en continu modifie au sulfiteInfo
- Publication number
- CA2030090A1 CA2030090A1 CA002030090A CA2030090A CA2030090A1 CA 2030090 A1 CA2030090 A1 CA 2030090A1 CA 002030090 A CA002030090 A CA 002030090A CA 2030090 A CA2030090 A CA 2030090A CA 2030090 A1 CA2030090 A1 CA 2030090A1
- Authority
- CA
- Canada
- Prior art keywords
- vessel
- sulfite
- recited
- liquor
- cooking liquor
- 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.)
- Abandoned
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
- D21C7/00—Digesters
-
- 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Materials For Medical Uses (AREA)
- Packages (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56914290A | 1990-08-17 | 1990-08-17 | |
US569,142 | 1990-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2030090A1 true CA2030090A1 (fr) | 1992-02-18 |
Family
ID=24274268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002030090A Abandoned CA2030090A1 (fr) | 1990-08-17 | 1990-11-15 | Lessivage en continu modifie au sulfite |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0471154B1 (fr) |
JP (1) | JPH04240282A (fr) |
AT (1) | ATE160601T1 (fr) |
AU (1) | AU639109B2 (fr) |
BR (1) | BR9103492A (fr) |
CA (1) | CA2030090A1 (fr) |
DE (1) | DE69128267T2 (fr) |
FI (1) | FI913823A (fr) |
NO (1) | NO913209L (fr) |
ZA (1) | ZA909259B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009057208A1 (de) | 2009-11-27 | 2011-06-01 | Technische Universität Dresden | Verfahren zur Herstellung von lignozellulosen Papierfaserstoffen sowie daraus gewonnene Papiere, Kartone und Pappen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3215588A (en) * | 1963-08-15 | 1965-11-02 | Lummus Co | Continuous impregnation, cooking, and washing of fibrous material |
FI44514B (fr) * | 1963-12-13 | 1971-08-02 | Kamyr Ab | |
US3427218A (en) * | 1964-07-10 | 1969-02-11 | Kamyr Ab | Method of performing counter-current continuous cellulose digestion |
SE359331B (fr) * | 1970-03-17 | 1973-08-27 | Kamyr Ab | |
US5053108A (en) * | 1989-06-28 | 1991-10-01 | Kamyr Ab | High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips |
-
1990
- 1990-11-15 CA CA002030090A patent/CA2030090A1/fr not_active Abandoned
- 1990-11-19 ZA ZA909259A patent/ZA909259B/xx unknown
-
1991
- 1991-05-22 DE DE69128267T patent/DE69128267T2/de not_active Expired - Fee Related
- 1991-05-22 EP EP91108240A patent/EP0471154B1/fr not_active Expired - Lifetime
- 1991-05-22 AT AT91108240T patent/ATE160601T1/de not_active IP Right Cessation
- 1991-06-11 AU AU78296/91A patent/AU639109B2/en not_active Expired - Fee Related
- 1991-06-20 JP JP3148635A patent/JPH04240282A/ja not_active Withdrawn
- 1991-08-13 FI FI913823A patent/FI913823A/fi unknown
- 1991-08-15 BR BR919103492A patent/BR9103492A/pt unknown
- 1991-08-16 NO NO91913209A patent/NO913209L/no unknown
Also Published As
Publication number | Publication date |
---|---|
FI913823A (fi) | 1992-02-18 |
NO913209D0 (no) | 1991-08-16 |
EP0471154B1 (fr) | 1997-11-26 |
DE69128267D1 (de) | 1998-01-08 |
AU639109B2 (en) | 1993-07-15 |
DE69128267T2 (de) | 1998-06-18 |
ZA909259B (en) | 1991-11-27 |
EP0471154A2 (fr) | 1992-02-19 |
FI913823A0 (fi) | 1991-08-13 |
ATE160601T1 (de) | 1997-12-15 |
EP0471154A3 (en) | 1993-06-09 |
AU7829691A (en) | 1992-02-20 |
NO913209L (no) | 1992-02-18 |
JPH04240282A (ja) | 1992-08-27 |
BR9103492A (pt) | 1992-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued |