FI58361C - Foerfaringssaett och anordning foer utfoerande av blekning av cellulosamassa - Google Patents
Foerfaringssaett och anordning foer utfoerande av blekning av cellulosamassa Download PDFInfo
- Publication number
- FI58361C FI58361C FI260/72A FI26072A FI58361C FI 58361 C FI58361 C FI 58361C FI 260/72 A FI260/72 A FI 260/72A FI 26072 A FI26072 A FI 26072A FI 58361 C FI58361 C FI 58361C
- Authority
- FI
- Finland
- Prior art keywords
- screen
- pulp
- bleach
- pieces
- screen pieces
- Prior art date
Links
- 239000007844 bleaching agent Substances 0.000 claims description 38
- 238000004061 bleaching Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000005406 washing Methods 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 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
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1246/71A SE342271B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-02-02 | 1971-02-02 | |
| SE124671 | 1971-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI58361B FI58361B (fi) | 1980-09-30 |
| FI58361C true FI58361C (fi) | 1981-01-12 |
Family
ID=20257853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI260/72A FI58361C (fi) | 1971-02-02 | 1972-02-01 | Foerfaringssaett och anordning foer utfoerande av blekning av cellulosamassa |
Country Status (5)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE502274E (sv) * | 1994-01-24 | 1999-08-09 | Kvaerner Pulping Tech | Diffusör samt packbox avsedd att mottaga en stång för höjning och sänkning av ett silpaket hos en sådan diffusör |
| US5560229A (en) * | 1994-01-24 | 1996-10-01 | Kvaerner Pulping Technologies Ab | Diffuser |
| 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 |
|---|---|
| NO130832C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-02-19 |
| FI58361B (fi) | 1980-09-30 |
| SE342271B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-31 |
| BR7200561D0 (pt) | 1973-07-19 |
| NO130832B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-11 |
| ZA72586B (en) | 1972-10-25 |
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