SE308061B - - Google Patents
Info
- Publication number
- SE308061B SE308061B SE1537464A SE1537464A SE308061B SE 308061 B SE308061 B SE 308061B SE 1537464 A SE1537464 A SE 1537464A SE 1537464 A SE1537464 A SE 1537464A SE 308061 B SE308061 B SE 308061B
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- digestion
- ligno
- dec
- beating
- Prior art date
Links
- 230000029087 digestion Effects 0.000 abstract 5
- 239000000463 material Substances 0.000 abstract 5
- 238000010009 beating Methods 0.000 abstract 2
- 239000001913 cellulose Substances 0.000 abstract 2
- 229920002678 cellulose Polymers 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- 241000237074 Centris Species 0.000 abstract 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 238000010411 cooking Methods 0.000 abstract 1
- 230000002209 hydrophobic effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- 239000000454 talc Substances 0.000 abstract 1
- 229910052623 talc Inorganic materials 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/06—Sulfite or bisulfite pulp
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1537464A SE308061B (enrdf_load_stackoverflow) | 1964-12-18 | 1964-12-18 | |
| GB5359965A GB1136219A (en) | 1964-12-18 | 1965-12-17 | Improved process for the production of sulphite pulp and a pulp produced according to the process |
| DE19651517219 DE1517219C (de) | 1964-12-18 | 1965-12-17 | Verfahren zur Herstellung von Sulfitzellstoff sowie nach dem Verfahren hergestellter Zellstoff und seine Verwendung |
| AT1137465A AT277745B (de) | 1964-12-18 | 1965-12-17 | Verfahren zur Herstellung von Sulfitzellstoff |
| FI302965A FI46190B (enrdf_load_stackoverflow) | 1964-12-18 | 1965-12-17 | |
| CH1744365A CH456330A (de) | 1964-12-18 | 1965-12-17 | Verfahren zur Herstellung eines für Faserprodukte geeigneten Zellstoffes |
| CH1744465A CH465383A (de) | 1964-12-18 | 1965-12-17 | Verfahren zur Herstellung von Faserprodukten |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1537464A SE308061B (enrdf_load_stackoverflow) | 1964-12-18 | 1964-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE308061B true SE308061B (enrdf_load_stackoverflow) | 1969-01-27 |
Family
ID=20300560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1537464A SE308061B (enrdf_load_stackoverflow) | 1964-12-18 | 1964-12-18 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT277745B (enrdf_load_stackoverflow) |
| CH (2) | CH456330A (enrdf_load_stackoverflow) |
| FI (1) | FI46190B (enrdf_load_stackoverflow) |
| GB (1) | GB1136219A (enrdf_load_stackoverflow) |
| SE (1) | SE308061B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007022750A1 (de) * | 2007-05-11 | 2008-11-13 | Voith Patent Gmbh | Verfahren zum Zerfasern von chemisch behandeltem lignocellulosischem Rohstoff |
| WO2011113998A1 (en) * | 2010-03-15 | 2011-09-22 | Upm-Kymmene Corporation | Method for improving the properties of a paper product and forming an additive component and the corresponding paper product and additive component and use of the additive component |
-
1964
- 1964-12-18 SE SE1537464A patent/SE308061B/xx unknown
-
1965
- 1965-12-17 FI FI302965A patent/FI46190B/fi active
- 1965-12-17 AT AT1137465A patent/AT277745B/de not_active IP Right Cessation
- 1965-12-17 CH CH1744365A patent/CH456330A/de unknown
- 1965-12-17 GB GB5359965A patent/GB1136219A/en not_active Expired
- 1965-12-17 CH CH1744465A patent/CH465383A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI46190B (enrdf_load_stackoverflow) | 1972-10-02 |
| AT277745B (de) | 1970-01-12 |
| DE1517219A1 (de) | 1969-12-18 |
| GB1136219A (en) | 1968-12-11 |
| CH456330A (de) | 1968-07-15 |
| CH465383A (de) | 1968-11-15 |
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