SE7600243L - Syreblekning av massa i nervaro av ett skyddsmaterial med hog kiseldioxidhalt - Google Patents
Syreblekning av massa i nervaro av ett skyddsmaterial med hog kiseldioxidhaltInfo
- Publication number
- SE7600243L SE7600243L SE7600243A SE7600243A SE7600243L SE 7600243 L SE7600243 L SE 7600243L SE 7600243 A SE7600243 A SE 7600243A SE 7600243 A SE7600243 A SE 7600243A SE 7600243 L SE7600243 L SE 7600243L
- Authority
- SE
- Sweden
- Prior art keywords
- mass
- protective material
- dioxide content
- silicone dioxide
- acid bleaching
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55027475A | 1975-02-18 | 1975-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7600243L true SE7600243L (sv) | 1976-08-19 |
Family
ID=24196466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7600243A SE7600243L (sv) | 1975-02-18 | 1976-01-12 | Syreblekning av massa i nervaro av ett skyddsmaterial med hog kiseldioxidhalt |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5220562B2 (de) |
CA (1) | CA1062858A (de) |
DE (1) | DE2552931A1 (de) |
FR (1) | FR2301632A1 (de) |
GB (1) | GB1519072A (de) |
SE (1) | SE7600243L (de) |
ZA (1) | ZA76274B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007036376A1 (de) * | 2007-07-31 | 2009-02-05 | Voith Patent Gmbh | Gebleichter Faserstoff |
SE543640C2 (en) * | 2019-09-04 | 2021-05-11 | Stora Enso Oyj | Fluff pulp from oxygen delignified pulp |
-
1975
- 1975-08-25 CA CA234,066A patent/CA1062858A/en not_active Expired
- 1975-11-26 DE DE19752552931 patent/DE2552931A1/de not_active Withdrawn
-
1976
- 1976-01-09 GB GB784/76A patent/GB1519072A/en not_active Expired
- 1976-01-12 SE SE7600243A patent/SE7600243L/xx unknown
- 1976-01-16 FR FR7601074A patent/FR2301632A1/fr active Granted
- 1976-01-16 JP JP51003295A patent/JPS5220562B2/ja not_active Expired
- 1976-01-19 ZA ZA00760274A patent/ZA76274B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1519072A (en) | 1978-07-26 |
FR2301632B1 (de) | 1980-06-20 |
JPS5220562B2 (de) | 1977-06-04 |
FR2301632A1 (fr) | 1976-09-17 |
ZA76274B (en) | 1976-12-29 |
DE2552931A1 (de) | 1976-09-02 |
CA1062858A (en) | 1979-09-25 |
JPS5196505A (de) | 1976-08-24 |
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