DE2226777C3 - Verfahren zur Herstellung von Natronzellstoff aus Holzhackstücken mittels einer Kochflüssigkeit mit Natriumsulfid und Soda als hauptsächlichen Bestandteilen - Google Patents
Verfahren zur Herstellung von Natronzellstoff aus Holzhackstücken mittels einer Kochflüssigkeit mit Natriumsulfid und Soda als hauptsächlichen BestandteilenInfo
- Publication number
- DE2226777C3 DE2226777C3 DE19722226777 DE2226777A DE2226777C3 DE 2226777 C3 DE2226777 C3 DE 2226777C3 DE 19722226777 DE19722226777 DE 19722226777 DE 2226777 A DE2226777 A DE 2226777A DE 2226777 C3 DE2226777 C3 DE 2226777C3
- Authority
- DE
- Germany
- Prior art keywords
- soda
- liquor
- cooking liquid
- production
- lye
- 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.)
- Expired
Links
- 238000010411 cooking Methods 0.000 title claims description 24
- 238000000034 method Methods 0.000 title claims description 20
- 239000007788 liquid Substances 0.000 title claims description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000002023 wood Substances 0.000 title claims description 6
- 229910052979 sodium sulfide Inorganic materials 0.000 title claims description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 title claims description 3
- 239000002075 main ingredient Substances 0.000 title 1
- 239000000126 substance Substances 0.000 claims description 27
- 239000004744 fabric Substances 0.000 claims description 9
- 230000029087 digestion Effects 0.000 claims description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- 229910001882 dioxygen Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 150000003464 sulfur compounds Chemical class 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 description 17
- 238000007254 oxidation reaction Methods 0.000 description 17
- 239000007789 gas Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 3
- 235000019645 odor Nutrition 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 241000287107 Passer Species 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000002351 wastewater 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
- D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE729371A SE350078B (enExample) | 1971-06-04 | 1971-06-04 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2226777A1 DE2226777A1 (de) | 1973-02-08 |
| DE2226777B2 DE2226777B2 (de) | 1974-08-29 |
| DE2226777C3 true DE2226777C3 (de) | 1975-04-10 |
Family
ID=20270971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722226777 Expired DE2226777C3 (de) | 1971-06-04 | 1972-06-02 | Verfahren zur Herstellung von Natronzellstoff aus Holzhackstücken mittels einer Kochflüssigkeit mit Natriumsulfid und Soda als hauptsächlichen Bestandteilen |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5335601B1 (enExample) |
| CA (1) | CA994961A (enExample) |
| DE (1) | DE2226777C3 (enExample) |
| FR (1) | FR2140222A1 (enExample) |
| GB (1) | GB1396132A (enExample) |
| SE (1) | SE350078B (enExample) |
-
1971
- 1971-06-04 SE SE729371A patent/SE350078B/xx unknown
-
1972
- 1972-05-25 GB GB2463472A patent/GB1396132A/en not_active Expired
- 1972-06-02 DE DE19722226777 patent/DE2226777C3/de not_active Expired
- 1972-06-02 CA CA143,743A patent/CA994961A/en not_active Expired
- 1972-06-02 FR FR7220001A patent/FR2140222A1/fr not_active Withdrawn
- 1972-06-03 JP JP5480572A patent/JPS5335601B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA994961A (en) | 1976-08-17 |
| SE350078B (enExample) | 1972-10-16 |
| DE2226777B2 (de) | 1974-08-29 |
| DE2226777A1 (de) | 1973-02-08 |
| JPS5335601B1 (enExample) | 1978-09-28 |
| FR2140222A1 (enExample) | 1973-01-12 |
| GB1396132A (en) | 1975-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |