NO844740L - Fremgangsmaate ved fremstilling av cellulosemasse - Google Patents
Fremgangsmaate ved fremstilling av cellulosemasseInfo
- Publication number
- NO844740L NO844740L NO844740A NO844740A NO844740L NO 844740 L NO844740 L NO 844740L NO 844740 A NO844740 A NO 844740A NO 844740 A NO844740 A NO 844740A NO 844740 L NO844740 L NO 844740L
- Authority
- NO
- Norway
- Prior art keywords
- solution
- liquid
- cooking
- boiling
- sulfur dioxide
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 26
- 238000010411 cooking Methods 0.000 claims description 22
- 238000009835 boiling Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 10
- 239000001913 cellulose Substances 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 4
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 claims description 3
- 239000001639 calcium acetate Substances 0.000 claims description 3
- 235000011092 calcium acetate Nutrition 0.000 claims description 3
- 229960005147 calcium acetate Drugs 0.000 claims description 3
- 159000000007 calcium salts Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims 2
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 claims 1
- 229940044172 calcium formate Drugs 0.000 claims 1
- 235000019255 calcium formate Nutrition 0.000 claims 1
- 239000004281 calcium formate Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 description 17
- 238000010521 absorption reaction Methods 0.000 description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 239000004117 Lignosulphonate Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 239000004295 calcium sulphite Substances 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 235000019357 lignosulphonate Nutrition 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006351 sulfination reaction 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
Landscapes
- Paper (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI834358A FI73012C (fi) | 1983-11-29 | 1983-11-29 | Foerfarande foer kokning av sulfitcellulosa. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO844740L true NO844740L (no) | 1985-05-30 |
Family
ID=8518141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO844740A NO844740L (no) | 1983-11-29 | 1984-11-28 | Fremgangsmaate ved fremstilling av cellulosemasse |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS60134088A (fi) |
| DD (1) | DD229446A5 (fi) |
| DE (1) | DE3440716A1 (fi) |
| FI (1) | FI73012C (fi) |
| HU (1) | HUT36873A (fi) |
| NO (1) | NO844740L (fi) |
| PL (1) | PL145660B1 (fi) |
| SE (1) | SE8405984L (fi) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE62376C (de) * | O. SCHMIDT in Berlin N., Weifsen-I burgerstr. 48 | Verfahren zur Gewinnung von Zellstoff | ||
| DE527950C (de) * | 1928-12-30 | 1931-06-24 | I G Farbenindustrie Akt Ges | Verfahren zur Gewinnung von Sulfitzellstoff |
-
1983
- 1983-11-29 FI FI834358A patent/FI73012C/fi not_active IP Right Cessation
-
1984
- 1984-11-07 DE DE19843440716 patent/DE3440716A1/de not_active Ceased
- 1984-11-13 HU HU421784A patent/HUT36873A/hu unknown
- 1984-11-27 DD DD26993684A patent/DD229446A5/de unknown
- 1984-11-27 JP JP25036184A patent/JPS60134088A/ja active Pending
- 1984-11-27 SE SE8405984A patent/SE8405984L/ not_active Application Discontinuation
- 1984-11-28 NO NO844740A patent/NO844740L/no unknown
- 1984-11-29 PL PL25063284A patent/PL145660B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HUT36873A (en) | 1985-10-28 |
| SE8405984L (sv) | 1985-05-30 |
| FI834358A (fi) | 1985-05-30 |
| FI73012C (fi) | 1987-08-10 |
| JPS60134088A (ja) | 1985-07-17 |
| SE8405984D0 (sv) | 1984-11-27 |
| FI834358A0 (fi) | 1983-11-29 |
| DD229446A5 (de) | 1985-11-06 |
| FI73012B (fi) | 1987-04-30 |
| DE3440716A1 (de) | 1985-06-05 |
| PL145660B1 (en) | 1988-10-31 |
| PL250632A1 (en) | 1985-07-16 |
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