ATE31249T1 - Verfahren und vorrichtung zum mischen von pulpe mit gasen. - Google Patents
Verfahren und vorrichtung zum mischen von pulpe mit gasen.Info
- Publication number
- ATE31249T1 ATE31249T1 AT81902540T AT81902540T ATE31249T1 AT E31249 T1 ATE31249 T1 AT E31249T1 AT 81902540 T AT81902540 T AT 81902540T AT 81902540 T AT81902540 T AT 81902540T AT E31249 T1 ATE31249 T1 AT E31249T1
- Authority
- AT
- Austria
- Prior art keywords
- pulp
- oxygen
- mixer
- washer
- chlorine
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 239000007789 gas Substances 0.000 title abstract 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 6
- 229910052760 oxygen Inorganic materials 0.000 abstract 6
- 239000013055 pulp slurry Substances 0.000 abstract 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 5
- 239000001301 oxygen Substances 0.000 abstract 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 3
- 239000004155 Chlorine dioxide Substances 0.000 abstract 3
- 239000000460 chlorine Substances 0.000 abstract 3
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 3
- 238000000605 extraction Methods 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract 2
- 229920001131 Pulp (paper) Polymers 0.000 abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 229910052801 chlorine Inorganic materials 0.000 abstract 2
- 238000009792 diffusion process Methods 0.000 abstract 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 1
- 239000003570 air Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 229910001902 chlorine oxide Inorganic materials 0.000 abstract 1
- OMBRFUXPXNIUCZ-UHFFFAOYSA-N dioxidonitrogen(1+) Chemical compound O=[N+]=O OMBRFUXPXNIUCZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 150000002978 peroxides Chemical class 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Shovels (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Earth Drilling (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1981/001187 WO1983000816A1 (en) | 1981-09-04 | 1981-09-04 | Method and apparatus for mixing pulp with oxygen |
| EP81902540A EP0087412B1 (de) | 1981-09-04 | 1981-09-04 | Verfahren und vorrichtung zum mischen von pulpe mit gasen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE31249T1 true ATE31249T1 (de) | 1987-12-15 |
Family
ID=22161409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT81902540T ATE31249T1 (de) | 1981-09-04 | 1981-09-04 | Verfahren und vorrichtung zum mischen von pulpe mit gasen. |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0087412B1 (de) |
| JP (1) | JPS58501328A (de) |
| AT (1) | ATE31249T1 (de) |
| BR (1) | BR8109040A (de) |
| DE (1) | DE3176561D1 (de) |
| FI (1) | FI74497C (de) |
| NO (1) | NO831429L (de) |
| WO (1) | WO1983000816A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI89516B (fi) | 1989-05-10 | 1993-06-30 | Ahlstroem Oy | Foerfarande foer blekning av cellulosamassa med otson |
| US20170175329A1 (en) * | 2015-12-17 | 2017-06-22 | Nicole Rumore | Methods for oxygen delignification and ozone bleaching of pulp |
| CN114326573B (zh) * | 2021-12-24 | 2023-10-10 | 浙江华章科技有限公司 | 一种基于plc系统的连续配浆方法及系统 |
| CN117684408B (zh) * | 2024-02-02 | 2024-05-14 | 汶瑞机械(山东)有限公司 | 一种刮料器 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1591070A (en) * | 1925-02-27 | 1926-07-06 | Robert B Wolf | Bleaching apparatus |
| US1827710A (en) * | 1928-07-28 | 1931-10-13 | Leyst-Kuchenmeister Carl | Process for treating fibrous materials |
| US2516447A (en) * | 1947-02-24 | 1950-07-25 | Elmer R Burling | Method and apparatus for chemical treatment |
| US2772138A (en) * | 1952-12-31 | 1956-11-27 | Hercules Powder Co Ltd | Continuous bleaching process |
| US3293117A (en) * | 1963-03-27 | 1966-12-20 | Improved Machinery Inc | High density pulp mixing |
| CA834629A (en) * | 1966-09-30 | 1970-02-17 | Amiel W. Brinkley, Jr. | Rapid high consistency bleaching of pulp |
| SE355614B (de) * | 1970-05-13 | 1973-04-30 | Mo Och Domsjoe Ab | |
| US3832276A (en) * | 1973-03-07 | 1974-08-27 | Int Paper Co | Delignification and bleaching of a cellulose pulp slurry with oxygen |
| JPS5111681A (de) * | 1974-07-19 | 1976-01-29 | Sanyo Electric Co | |
| SE389351B (sv) * | 1975-03-14 | 1976-11-01 | Kamyr Ab | Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration. |
| SE403916B (sv) * | 1975-06-04 | 1978-09-11 | Rolf Bertil Reinhall | Anordning vid malapparater for lignocellulosahaltigt material |
| JPS52114702A (en) * | 1976-03-19 | 1977-09-26 | Toyo Pulp Co Ltd | Process and device for treating cellulose material |
| US4198266A (en) * | 1977-10-12 | 1980-04-15 | Airco, Inc. | Oxygen delignification of wood pulp |
| US4363697A (en) * | 1979-12-03 | 1982-12-14 | The Black Clawson Company | Method for medium consistency oxygen delignification of pulp |
-
1981
- 1981-09-04 AT AT81902540T patent/ATE31249T1/de not_active IP Right Cessation
- 1981-09-04 WO PCT/US1981/001187 patent/WO1983000816A1/en not_active Ceased
- 1981-09-04 JP JP56503046A patent/JPS58501328A/ja active Pending
- 1981-09-04 DE DE8181902540T patent/DE3176561D1/de not_active Expired
- 1981-09-04 BR BR8109040A patent/BR8109040A/pt unknown
- 1981-09-04 EP EP81902540A patent/EP0087412B1/de not_active Expired
-
1983
- 1983-04-22 NO NO831429A patent/NO831429L/no unknown
- 1983-04-29 FI FI831474A patent/FI74497C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI831474L (fi) | 1983-04-29 |
| BR8109040A (pt) | 1983-09-06 |
| EP0087412B1 (de) | 1987-12-09 |
| NO831429L (no) | 1983-04-22 |
| WO1983000816A1 (en) | 1983-03-17 |
| FI831474A0 (fi) | 1983-04-29 |
| DE3176561D1 (en) | 1988-01-21 |
| EP0087412A1 (de) | 1983-09-07 |
| EP0087412A4 (de) | 1985-06-10 |
| JPS58501328A (ja) | 1983-08-11 |
| FI74497C (fi) | 1988-02-08 |
| FI74497B (fi) | 1987-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| EEIH | Change in the person of patent owner | ||
| REN | Ceased due to non-payment of the annual fee |