DE2445447A1 - Verfahren zur herstellung von zellstoff aus torf - Google Patents
Verfahren zur herstellung von zellstoff aus torfInfo
- Publication number
- DE2445447A1 DE2445447A1 DE19742445447 DE2445447A DE2445447A1 DE 2445447 A1 DE2445447 A1 DE 2445447A1 DE 19742445447 DE19742445447 DE 19742445447 DE 2445447 A DE2445447 A DE 2445447A DE 2445447 A1 DE2445447 A1 DE 2445447A1
- Authority
- DE
- Germany
- Prior art keywords
- chlorine
- peat
- added
- pulp
- suspension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000003415 peat Substances 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004155 Chlorine dioxide Substances 0.000 claims description 9
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 7
- 239000000460 chlorine Substances 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 7
- 150000001805 chlorine compounds Chemical class 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 2
- 230000005587 bubbling Effects 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 239000001913 cellulose Substances 0.000 description 6
- 229920002678 cellulose Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 241000218657 Picea Species 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- -1 chlorine dioxide compound Chemical class 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000005406 washing Methods 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
Landscapes
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7313217A SE7313217L (enrdf_load_stackoverflow) | 1973-09-26 | 1973-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2445447A1 true DE2445447A1 (de) | 1975-03-27 |
Family
ID=20318668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742445447 Withdrawn DE2445447A1 (de) | 1973-09-26 | 1974-09-24 | Verfahren zur herstellung von zellstoff aus torf |
Country Status (13)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4170515A (en) | 1978-02-21 | 1979-10-09 | Johnson & Johnson | Process for bleaching peat moss and resulting product |
| JP2002115187A (ja) * | 2000-10-12 | 2002-04-19 | Japan Science & Technology Corp | 新規セルロース原料とその積層体 |
-
1973
- 1973-09-26 SE SE7313217A patent/SE7313217L/ unknown
-
1974
- 1974-09-24 ZA ZA00746069A patent/ZA746069B/xx unknown
- 1974-09-24 DE DE19742445447 patent/DE2445447A1/de not_active Withdrawn
- 1974-09-25 AU AU73708/74A patent/AU7370874A/en not_active Expired
- 1974-09-25 GB GB41660/74A patent/GB1479326A/en not_active Expired
- 1974-09-25 CH CH1294574A patent/CH593383A5/xx not_active IP Right Cessation
- 1974-09-25 IE IE1990/74A patent/IE41096B1/xx unknown
- 1974-09-25 CA CA210,053A patent/CA1035105A/en not_active Expired
- 1974-09-25 FI FI2800/74A patent/FI63609C/fi active
- 1974-09-25 JP JP49110348A patent/JPS5076301A/ja active Pending
- 1974-09-25 FR FR7432256A patent/FR2244864B3/fr not_active Expired
- 1974-10-04 IN IN2223/CAL/1974A patent/IN142893B/en unknown
- 1974-10-14 OA OA55318A patent/OA04792A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH593383A5 (enrdf_load_stackoverflow) | 1977-11-30 |
| SE7313217L (enrdf_load_stackoverflow) | 1975-03-27 |
| IE41096L (en) | 1975-03-26 |
| FI63609C (fi) | 1983-07-11 |
| FI280074A7 (enrdf_load_stackoverflow) | 1975-03-27 |
| IE41096B1 (en) | 1979-10-24 |
| FI63609B (fi) | 1983-03-31 |
| GB1479326A (en) | 1977-07-13 |
| CA1035105A (en) | 1978-07-25 |
| JPS5076301A (enrdf_load_stackoverflow) | 1975-06-23 |
| ZA746069B (en) | 1975-09-24 |
| OA04792A (fr) | 1980-08-31 |
| FR2244864B3 (enrdf_load_stackoverflow) | 1977-07-01 |
| AU7370874A (en) | 1976-04-01 |
| IN142893B (enrdf_load_stackoverflow) | 1977-09-03 |
| FR2244864A1 (enrdf_load_stackoverflow) | 1975-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1546276A1 (de) | Verfahren zum Bleichen von zellulosehaltigem Material | |
| EP0087553B1 (de) | Verfahren zur Herstellung von halbgebleichten Zellstoffen | |
| DE2930537A1 (de) | Verfahren zum herstellen eines gebleichten papierstoffs | |
| DE2444475A1 (de) | Verfahren fuer die herstellung von papiermasse | |
| DE2327900C3 (de) | Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz | |
| DE3590512C2 (enrdf_load_stackoverflow) | ||
| DE2445447A1 (de) | Verfahren zur herstellung von zellstoff aus torf | |
| DE2124324B2 (enrdf_load_stackoverflow) | ||
| EP0512978A1 (de) | Verfahren zum Bleichen von xylan- und lignocellulosehältigen Materialien | |
| DE69805056T2 (de) | Delignifizierung von zellstoff mit sauerstoff | |
| EP0185858B1 (de) | Verfahren zur Delignifizierung von Sulfatzellstoffen | |
| DE2124325C3 (de) | Verfahren zum Bleichen von chemischen Holzzellstoff | |
| DE3118384C1 (de) | Verfahren zum Bleichen von chemisch hergestelltem Zellstoff mit Ozon | |
| DE3239608A1 (de) | Verfahren zur herstellung von zellulosepulpe | |
| EP0479319B1 (de) | Verfahren zur chlorarmen Bleiche und Delignifizierung von Zellstoff | |
| DE599880C (de) | Verfahren zur Herstellung von pentosanreichem Zellstoff aus zellstoffhaltigem Fasergut, insbesondere Graesern | |
| DE2833115C3 (de) | Verfahren zur Herstellung von Papiermassen | |
| DE69128287T2 (de) | Bleichen von chemischem zellstoff mittels chlor/chlordioxid dann durch ozon | |
| EP0881326B1 (de) | Verfahren zur Herstellung von gebleichten Spezialzellstoffen | |
| DE972448C (de) | Verfahren zur Nachbehandlung von Cellulosematerial | |
| DE1214077B (de) | Verfahren zum Regenerieren alkalischer Ablaugen der Zellstoffveredelung | |
| DE1546261C3 (de) | Verfahren zum Bleichen von Cellulose für die Herstellung von Kunstseide | |
| DE2807142A1 (de) | Verfahren zur verbesserung der trockenfestigkeit von papier | |
| DE1959118C3 (de) | Verfahren zur Herstellung gebleichter CeHutosepulpe | |
| DE19524404A1 (de) | Verfahren zur Gewinnung von Zellstoff |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |