CA1185408A - Method of recovering chemicals and heat in sulphate spent liquor by means of a1 (oh).sub.3 or tio.sub.2.n.h.sub.2o circulation and gasification of the waste liquor - Google Patents
Method of recovering chemicals and heat in sulphate spent liquor by means of a1 (oh).sub.3 or tio.sub.2.n.h.sub.2o circulation and gasification of the waste liquorInfo
- Publication number
- CA1185408A CA1185408A CA000406445A CA406445A CA1185408A CA 1185408 A CA1185408 A CA 1185408A CA 000406445 A CA000406445 A CA 000406445A CA 406445 A CA406445 A CA 406445A CA 1185408 A CA1185408 A CA 1185408A
- Authority
- CA
- Canada
- Prior art keywords
- liquor
- solution
- cooking
- sub
- sulphate
- 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
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 title claims abstract description 14
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims abstract description 11
- 229910021653 sulphate ion Inorganic materials 0.000 title claims abstract description 11
- 238000002309 gasification Methods 0.000 title claims abstract description 10
- 239000002699 waste material Substances 0.000 title abstract 2
- 238000010411 cooking Methods 0.000 claims abstract description 30
- 229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 14
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000004645 aluminates Chemical class 0.000 claims abstract description 9
- 238000009993 causticizing Methods 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 19
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 11
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 3
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 claims description 3
- 239000011121 hardwood Substances 0.000 claims description 2
- 239000011122 softwood Substances 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 30
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 7
- 239000008187 granular material Substances 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 4
- 239000005864 Sulphur Substances 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000005416 organic matter Substances 0.000 abstract description 2
- 235000017550 sodium carbonate Nutrition 0.000 abstract description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 6
- 238000005469 granulation Methods 0.000 abstract 2
- 230000003179 granulation Effects 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 229910020264 Na2TiO3 Inorganic materials 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- GROMGGTZECPEKN-UHFFFAOYSA-N sodium metatitanate Chemical compound [Na+].[Na+].[O-][Ti](=O)O[Ti](=O)O[Ti]([O-])=O GROMGGTZECPEKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 description 8
- 235000010980 cellulose Nutrition 0.000 description 8
- 229920002678 cellulose Polymers 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229920005610 lignin Polymers 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229940106135 cellulose Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000002918 waste heat 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
- D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI812053A FI66034C (fi) | 1981-06-30 | 1981-06-30 | Foerfarande foer framstaellning av cellulosa och foer aotervinning av kemikalier |
| FI812053 | 1981-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1185408A true CA1185408A (en) | 1985-04-16 |
Family
ID=8514541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000406445A Expired CA1185408A (en) | 1981-06-30 | 1982-06-30 | Method of recovering chemicals and heat in sulphate spent liquor by means of a1 (oh).sub.3 or tio.sub.2.n.h.sub.2o circulation and gasification of the waste liquor |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1185408A (https=) |
| FI (1) | FI66034C (https=) |
| FR (1) | FR2510630A1 (https=) |
| SE (1) | SE8203875L (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE448007B (sv) * | 1983-04-21 | 1987-01-12 | Skf Steel Eng Ab | Forfarande och anordning for atervinning av kemikalier ur massaavlut |
-
1981
- 1981-06-30 FI FI812053A patent/FI66034C/fi not_active IP Right Cessation
-
1982
- 1982-06-22 SE SE8203875A patent/SE8203875L/ not_active Application Discontinuation
- 1982-06-29 FR FR8211386A patent/FR2510630A1/fr active Granted
- 1982-06-30 CA CA000406445A patent/CA1185408A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI66034B (fi) | 1984-04-30 |
| FR2510630A1 (fr) | 1983-02-04 |
| FI66034C (fi) | 1986-12-02 |
| SE8203875L (sv) | 1982-12-31 |
| SE8203875D0 (sv) | 1982-06-22 |
| FR2510630B3 (https=) | 1984-05-04 |
| FI812053L (fi) | 1982-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |