FI73754C - Foerfarande vid beredning av kok-kemikalier foer cellulosaframstaellning. - Google Patents
Foerfarande vid beredning av kok-kemikalier foer cellulosaframstaellning. Download PDFInfo
- Publication number
- FI73754C FI73754C FI823417A FI823417A FI73754C FI 73754 C FI73754 C FI 73754C FI 823417 A FI823417 A FI 823417A FI 823417 A FI823417 A FI 823417A FI 73754 C FI73754 C FI 73754C
- Authority
- FI
- Finland
- Prior art keywords
- lime
- aqueous solution
- process according
- liquor
- separated
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 27
- 239000000126 substance Substances 0.000 title claims description 15
- 239000001913 cellulose Substances 0.000 title claims description 7
- 229920002678 cellulose Polymers 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000009835 boiling Methods 0.000 title 1
- 238000002360 preparation method Methods 0.000 title 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 53
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 53
- 239000004571 lime Substances 0.000 claims description 53
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 26
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 19
- 239000000292 calcium oxide Substances 0.000 claims description 13
- 235000012255 calcium oxide Nutrition 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000008267 milk Substances 0.000 claims description 9
- 210000004080 milk Anatomy 0.000 claims description 8
- 235000013336 milk Nutrition 0.000 claims description 8
- 238000010411 cooking Methods 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- 238000009993 causticizing Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 35
- 235000011121 sodium hydroxide Nutrition 0.000 description 14
- 239000002023 wood Substances 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 235000012907 honey Nutrition 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000000920 calcium hydroxide Substances 0.000 description 4
- 235000011116 calcium hydroxide Nutrition 0.000 description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 235000010216 calcium carbonate Nutrition 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- -1 sodium aluminum silicates Chemical class 0.000 description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004449 solid propellant Substances 0.000 description 3
- 241000609240 Ambelania acida Species 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000010905 bagasse Substances 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 244000273256 Phragmites communis 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
- 239000004480 active ingredient Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
-
- 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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8105886A SE448102B (sv) | 1981-10-13 | 1981-10-13 | Forfarande vid beredning av kokkemikalier for cellulosamassaframstellning |
| SE8105886 | 1981-10-13 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI823417A0 FI823417A0 (fi) | 1982-10-08 |
| FI823417L FI823417L (fi) | 1983-04-14 |
| FI73754B FI73754B (fi) | 1987-07-31 |
| FI73754C true FI73754C (fi) | 1987-11-09 |
Family
ID=20344708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI823417A FI73754C (fi) | 1981-10-13 | 1982-10-08 | Foerfarande vid beredning av kok-kemikalier foer cellulosaframstaellning. |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT378381B (de) |
| CA (1) | CA1184006A (de) |
| FI (1) | FI73754C (de) |
| FR (1) | FR2514383B1 (de) |
| SE (1) | SE448102B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108412C (zh) * | 1995-07-11 | 2003-05-14 | 安德里兹公司 | 从石灰和白泥中分离杂质的方法以及两步法苛化含有杂质如硅的绿液的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3120464A (en) * | 1960-11-29 | 1964-02-04 | Nat Council For Stream Improve | Decolorizing kraft waste liquors |
| FI49331C (fi) * | 1973-06-27 | 1975-05-12 | Ahlstroem Oy | Tapa poistaa väri selluloosatehtaan jätevedestä ja laite tavan sovelta miseksi. |
| GB1010296A (en) * | 1961-08-25 | 1965-11-17 | Eimco Corp | Improvements in or relating to aqueous caustic soda production |
| US3635670A (en) * | 1969-06-11 | 1972-01-18 | Allied Chem | Recovery of dilute caustic soda solutions from spent liquors containing hemicellulose |
| FI53728C (fi) * | 1974-03-12 | 1978-07-10 | Ahlstroem Oy | Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning |
-
1981
- 1981-10-13 SE SE8105886A patent/SE448102B/sv not_active IP Right Cessation
-
1982
- 1982-10-07 CA CA000413062A patent/CA1184006A/en not_active Expired
- 1982-10-08 FI FI823417A patent/FI73754C/fi not_active IP Right Cessation
- 1982-10-11 AT AT374982A patent/AT378381B/de not_active IP Right Cessation
- 1982-10-12 FR FR8217338A patent/FR2514383B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1184006A (en) | 1985-03-19 |
| FI823417L (fi) | 1983-04-14 |
| SE448102B (sv) | 1987-01-19 |
| ATA374982A (de) | 1984-12-15 |
| AT378381B (de) | 1985-07-25 |
| FI823417A0 (fi) | 1982-10-08 |
| FI73754B (fi) | 1987-07-31 |
| SE8105886L (sv) | 1983-04-14 |
| FR2514383A1 (fr) | 1983-04-15 |
| FR2514383B1 (fr) | 1986-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: THELIANDER, HANS Owner name: SVENSSON, CLAES Owner name: HAGELQVIST, LENNART |