FI60042C - Metod foer inblandning av blekande kemikalier i fibermassa vid hoega massakoncentrationer - Google Patents
Metod foer inblandning av blekande kemikalier i fibermassa vid hoega massakoncentrationer Download PDFInfo
- Publication number
- FI60042C FI60042C FI183473A FI183473A FI60042C FI 60042 C FI60042 C FI 60042C FI 183473 A FI183473 A FI 183473A FI 183473 A FI183473 A FI 183473A FI 60042 C FI60042 C FI 60042C
- Authority
- FI
- Finland
- Prior art keywords
- fiber
- concentration
- chemicals
- pulp
- massage
- Prior art date
Links
- 239000000126 substance Substances 0.000 title description 18
- 238000000034 method Methods 0.000 title description 8
- 238000004061 bleaching Methods 0.000 title description 7
- 238000007689 inspection Methods 0.000 title 1
- 239000000835 fiber Substances 0.000 description 23
- 239000000725 suspension Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 235000014366 other mixer Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE777672A SE362910B (enrdf_load_stackoverflow) | 1972-06-13 | 1972-06-13 | |
| SE777672 | 1972-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI60042B FI60042B (fi) | 1981-07-31 |
| FI60042C true FI60042C (fi) | 1981-11-10 |
Family
ID=20272273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI183473A FI60042C (fi) | 1972-06-13 | 1973-06-06 | Metod foer inblandning av blekande kemikalier i fibermassa vid hoega massakoncentrationer |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5335602B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1007008A (enrdf_load_stackoverflow) |
| FI (1) | FI60042C (enrdf_load_stackoverflow) |
| NO (1) | NO134496C (enrdf_load_stackoverflow) |
| SE (1) | SE362910B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985005386A1 (en) * | 1984-05-15 | 1985-12-05 | Flinck Karl Evert | Method of bleaching fibre pulp for the production of paper and p aperboard |
-
1972
- 1972-06-13 SE SE777672A patent/SE362910B/xx unknown
-
1973
- 1973-06-04 NO NO233973A patent/NO134496C/no unknown
- 1973-06-06 FI FI183473A patent/FI60042C/fi active
- 1973-06-13 CA CA173,972A patent/CA1007008A/en not_active Expired
- 1973-06-13 JP JP6599173A patent/JPS5335602B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4955902A (enrdf_load_stackoverflow) | 1974-05-30 |
| DE2329890B2 (de) | 1975-11-27 |
| NO134496C (enrdf_load_stackoverflow) | 1976-10-20 |
| SE362910B (enrdf_load_stackoverflow) | 1973-12-27 |
| DE2329890A1 (de) | 1974-01-03 |
| NO134496B (enrdf_load_stackoverflow) | 1976-07-12 |
| JPS5335602B2 (enrdf_load_stackoverflow) | 1978-09-28 |
| FI60042B (fi) | 1981-07-31 |
| CA1007008A (en) | 1977-03-22 |
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