NO820918L - Fremgangsmaate og anordning ved bleking av kjemisk fremstilt cellulose. - Google Patents
Fremgangsmaate og anordning ved bleking av kjemisk fremstilt cellulose.Info
- Publication number
- NO820918L NO820918L NO820918A NO820918A NO820918L NO 820918 L NO820918 L NO 820918L NO 820918 A NO820918 A NO 820918A NO 820918 A NO820918 A NO 820918A NO 820918 L NO820918 L NO 820918L
- Authority
- NO
- Norway
- Prior art keywords
- chemically produced
- produced cellulose
- bleaching
- ozone
- cellulose according
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title claims description 31
- 239000001913 cellulose Substances 0.000 title claims description 31
- 238000000034 method Methods 0.000 title claims description 15
- 239000000126 substance Substances 0.000 title description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 27
- 238000004061 bleaching Methods 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- 229910052801 chlorine Inorganic materials 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 235000010099 Fagus sylvatica Nutrition 0.000 description 1
- 241000294754 Macroptilium atropurpureum Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- MAYPHUUCLRDEAZ-UHFFFAOYSA-N chlorine peroxide Inorganic materials ClOOCl MAYPHUUCLRDEAZ-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material 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
- D21C9/1073—Bleaching ; Apparatus therefor with O3
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3110882A DE3110882C2 (de) | 1981-03-20 | 1981-03-20 | Verfahren und Vorrichtung zum Bleichen von chemisch hergestelltem Zellstoff mit Ozon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO820918L true NO820918L (no) | 1982-09-21 |
Family
ID=6127796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO820918A NO820918L (no) | 1981-03-20 | 1982-03-19 | Fremgangsmaate og anordning ved bleking av kjemisk fremstilt cellulose. |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS57161186A (fi) |
| BR (1) | BR8201537A (fi) |
| DE (1) | DE3110882C2 (fi) |
| FI (1) | FI820395L (fi) |
| FR (1) | FR2514382A1 (fi) |
| NO (1) | NO820918L (fi) |
| SE (1) | SE8200826L (fi) |
| ZA (1) | ZA82985B (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5286479A (en) * | 1991-12-10 | 1994-02-15 | The Dow Chemical Company | Oral compositions for suppressing mouth odors |
| EP2180095B1 (de) * | 2008-10-23 | 2013-12-04 | Bene_fit Systems GmbH & Co. KG | Herstellungsverfahren für gebleichte organische Fasermaterialien, Verwendung eines Bleichmittels für gebleichte organische Fasermaterialien und gebleichte Fasermaterialien |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1590704A (en) * | 1976-11-23 | 1981-06-10 | Defibrator Ab | Method end device for the continuous production of pulp from fibrous lignocellulosic materials |
-
1981
- 1981-03-20 DE DE3110882A patent/DE3110882C2/de not_active Expired
-
1982
- 1982-01-26 FR FR8201185A patent/FR2514382A1/fr active Pending
- 1982-02-08 FI FI820395A patent/FI820395L/fi not_active Application Discontinuation
- 1982-02-11 SE SE8200826A patent/SE8200826L/ not_active Application Discontinuation
- 1982-02-16 ZA ZA82985A patent/ZA82985B/xx unknown
- 1982-03-16 JP JP57040334A patent/JPS57161186A/ja active Pending
- 1982-03-19 BR BR8201537A patent/BR8201537A/pt unknown
- 1982-03-19 NO NO820918A patent/NO820918L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3110882C2 (de) | 1983-07-07 |
| JPS57161186A (en) | 1982-10-04 |
| FI820395L (fi) | 1982-09-21 |
| ZA82985B (en) | 1983-01-26 |
| SE8200826L (sv) | 1982-09-21 |
| FR2514382A1 (fr) | 1983-04-15 |
| BR8201537A (pt) | 1983-02-08 |
| DE3110882A1 (de) | 1982-10-14 |
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