NO130832B - - Google Patents
Download PDFInfo
- Publication number
- NO130832B NO130832B NO00234/72A NO23472A NO130832B NO 130832 B NO130832 B NO 130832B NO 00234/72 A NO00234/72 A NO 00234/72A NO 23472 A NO23472 A NO 23472A NO 130832 B NO130832 B NO 130832B
- Authority
- NO
- Norway
- Prior art keywords
- sieve
- bleach
- bodies
- container
- bleaching
- Prior art date
Links
- 239000007844 bleaching agent Substances 0.000 claims description 45
- 238000004061 bleaching Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 229920002678 cellulose Polymers 0.000 claims description 8
- 239000001913 cellulose Substances 0.000 claims description 8
- 241001122767 Theaceae Species 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- D21C9/1031—Pulse, dynamic, displacement processes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1246/71A SE342271B (fi) | 1971-02-02 | 1971-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO130832B true NO130832B (fi) | 1974-11-11 |
| NO130832C NO130832C (fi) | 1975-02-19 |
Family
ID=20257853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO234/72A NO130832C (fi) | 1971-02-02 | 1972-01-31 |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR7200561D0 (fi) |
| FI (1) | FI58361C (fi) |
| NO (1) | NO130832C (fi) |
| SE (1) | SE342271B (fi) |
| ZA (1) | ZA72586B (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560229A (en) * | 1994-01-24 | 1996-10-01 | Kvaerner Pulping Technologies Ab | Diffuser |
| SE502274E (sv) * | 1994-01-24 | 1999-04-21 | Kvaerner Pulping Tech | Diffusör samt packbox avsedd att mottaga en stång för höjning och sänkning av ett silpaket hos en sådan diffusör |
| US5836181A (en) * | 1994-04-18 | 1998-11-17 | Kvaerner Pulping Ab | Diffuser |
-
1971
- 1971-02-02 SE SE1246/71A patent/SE342271B/xx unknown
-
1972
- 1972-01-28 ZA ZA720586A patent/ZA72586B/xx unknown
- 1972-01-31 NO NO234/72A patent/NO130832C/no unknown
- 1972-02-01 FI FI260/72A patent/FI58361C/fi active
- 1972-02-01 BR BR000561/72*[A patent/BR7200561D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA72586B (en) | 1972-10-25 |
| SE342271B (fi) | 1972-01-31 |
| FI58361C (fi) | 1981-01-12 |
| BR7200561D0 (pt) | 1973-07-19 |
| NO130832C (fi) | 1975-02-19 |
| FI58361B (fi) | 1980-09-30 |
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