CA2767903C - Method of producing sodium hydroxide from an effluent of fibre pulp production - Google Patents
Method of producing sodium hydroxide from an effluent of fibre pulp production Download PDFInfo
- Publication number
- CA2767903C CA2767903C CA2767903A CA2767903A CA2767903C CA 2767903 C CA2767903 C CA 2767903C CA 2767903 A CA2767903 A CA 2767903A CA 2767903 A CA2767903 A CA 2767903A CA 2767903 C CA2767903 C CA 2767903C
- Authority
- CA
- Canada
- Prior art keywords
- sodium
- effluent
- effluent stream
- borate
- stream
- 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.)
- Active
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000000835 fiber Substances 0.000 title abstract description 10
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000011734 sodium Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 150000003388 sodium compounds Chemical class 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010815 organic waste Substances 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 230000001590 oxidative effect Effects 0.000 claims abstract description 7
- 239000007790 solid phase Substances 0.000 claims abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 55
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 43
- 238000005470 impregnation Methods 0.000 claims description 28
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 23
- 239000002351 wastewater Substances 0.000 claims description 21
- 229920001131 Pulp (paper) Polymers 0.000 claims description 19
- 239000000126 substance Substances 0.000 claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000000567 combustion gas Substances 0.000 claims description 11
- 239000007792 gaseous phase Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 4
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 3
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 3
- 150000004677 hydrates Chemical class 0.000 claims description 3
- 239000004328 sodium tetraborate Substances 0.000 claims description 3
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 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 abstract description 26
- 229910052708 sodium Inorganic materials 0.000 abstract description 25
- 238000001816 cooling Methods 0.000 abstract description 11
- 239000007787 solid Substances 0.000 abstract description 3
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 235000017550 sodium carbonate Nutrition 0.000 description 22
- 238000011084 recovery Methods 0.000 description 19
- 238000004061 bleaching Methods 0.000 description 18
- 239000002699 waste material Substances 0.000 description 16
- 239000003513 alkali Substances 0.000 description 14
- 239000012141 concentrate Substances 0.000 description 14
- 238000010411 cooking Methods 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 239000002023 wood Substances 0.000 description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 8
- 150000001639 boron compounds Chemical class 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 150000002978 peroxides Chemical class 0.000 description 8
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 8
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 7
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 7
- 239000011368 organic material Substances 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 6
- 239000000292 calcium oxide Substances 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910021653 sulphate ion Inorganic materials 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 150000001642 boronic acid derivatives Chemical class 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 229910052979 sodium sulfide Inorganic materials 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000112 cooling gas Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 235000010265 sodium sulphite Nutrition 0.000 description 3
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- GDTSJMKGXGJFGQ-UHFFFAOYSA-N 3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound O1B([O-])OB2OB([O-])OB1O2 GDTSJMKGXGJFGQ-UHFFFAOYSA-N 0.000 description 1
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 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
- 241000196324 Embryophyta Species 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 241000183024 Populus tremula Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010796 biological waste Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 150000004763 sulfides Chemical group 0.000 description 1
- -1 sulphate compound Chemical class 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—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
-
- 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
- D21C11/0042—Fractionating or concentration of spent liquors by special methods
-
- 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
- D21C11/12—Combustion of pulp liquors
-
- 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
- D21C11/12—Combustion of pulp liquors
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20095851 | 2009-08-18 | ||
| FI20095851A FI124685B (fi) | 2009-08-18 | 2009-08-18 | Menetelmä natriumhydroksidin tuottamiseksi kuitumassan valmistuksen jätevirrasta |
| PCT/FI2010/050654 WO2011020949A1 (en) | 2009-08-18 | 2010-08-18 | Method of producing sodium hydroxide from an effluent of fiber pulp production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2767903A1 CA2767903A1 (en) | 2011-02-24 |
| CA2767903C true CA2767903C (en) | 2019-05-14 |
Family
ID=41050679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2767903A Active CA2767903C (en) | 2009-08-18 | 2010-08-18 | Method of producing sodium hydroxide from an effluent of fibre pulp production |
Country Status (9)
| Country | Link |
|---|---|
| CN (1) | CN102625778B (zh) |
| AR (1) | AR080852A1 (zh) |
| BR (1) | BR112012003755B1 (zh) |
| CA (1) | CA2767903C (zh) |
| FI (1) | FI124685B (zh) |
| RU (1) | RU2550177C2 (zh) |
| SE (1) | SE536944C2 (zh) |
| UY (1) | UY32847A (zh) |
| WO (1) | WO2011020949A1 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI126767B (en) * | 2012-11-16 | 2017-05-15 | Andritz Oy | Method for extracting the ash from a recovery boiler |
| CN103494810A (zh) * | 2013-09-25 | 2014-01-08 | 青岛市市立医院 | 治疗网络成瘾的药物组合物 |
| EP3966165A4 (en) * | 2019-04-29 | 2023-06-14 | FPInnovations | METHOD FOR RECOVERING ALKALI FROM MATERIAL CONTAINING METALLIC OXIDE/HYDROXIDE |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI53141C (zh) * | 1975-09-02 | 1978-02-10 | Keskuslaboratorio | |
| SU1624082A1 (ru) * | 1989-01-12 | 1991-01-30 | Ленинградская лесотехническая академия им.С.М.Кирова | Способ регенерации отработанного щелока от сульфатной варки целлюлозы |
| US6348128B1 (en) | 1998-06-01 | 2002-02-19 | U.S. Borax Inc. | Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition |
| US6294048B1 (en) | 1998-06-01 | 2001-09-25 | U.S. Borax Inc. | Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate |
| SE0202711D0 (sv) * | 2002-09-12 | 2002-09-12 | Kiram Ab | Alkaline process for the manufacturing of pulp using alkali metaborate as buffering alkali |
| US20050076568A1 (en) * | 2003-10-09 | 2005-04-14 | Stigsson Lars Lennart | Partial oxidation of cellulose spent pulping liquor |
| FI120548B (fi) | 2004-01-14 | 2009-11-30 | Rinheat Oy | Menetelmä alkaliyhdisteitä sisältävän orgaanisen jätekonsentraatin polttamiseksi hapettavissa olosuhteissa |
| US20050155730A1 (en) | 2004-01-20 | 2005-07-21 | Stigsson Lars L. | Method for the production of high yield chemical pulp from softwood |
-
2009
- 2009-08-18 FI FI20095851A patent/FI124685B/fi active IP Right Grant
-
2010
- 2010-08-18 BR BR112012003755-2A patent/BR112012003755B1/pt active IP Right Grant
- 2010-08-18 UY UY0001032847A patent/UY32847A/es unknown
- 2010-08-18 AR ARP100103016A patent/AR080852A1/es active IP Right Grant
- 2010-08-18 SE SE1250098A patent/SE536944C2/sv unknown
- 2010-08-18 CA CA2767903A patent/CA2767903C/en active Active
- 2010-08-18 RU RU2012102318/05A patent/RU2550177C2/ru active
- 2010-08-18 WO PCT/FI2010/050654 patent/WO2011020949A1/en active Application Filing
- 2010-08-18 CN CN201080037341.6A patent/CN102625778B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2012102318A (ru) | 2013-09-27 |
| BR112012003755B1 (pt) | 2019-05-28 |
| WO2011020949A1 (en) | 2011-02-24 |
| UY32847A (es) | 2011-06-30 |
| SE536944C2 (sv) | 2014-11-11 |
| AR080852A1 (es) | 2012-05-16 |
| FI20095851A0 (fi) | 2009-08-18 |
| CN102625778A (zh) | 2012-08-01 |
| BR112012003755A2 (pt) | 2016-04-12 |
| FI124685B (fi) | 2014-12-15 |
| FI20095851A (fi) | 2011-02-23 |
| SE1250098A1 (sv) | 2012-02-09 |
| RU2550177C2 (ru) | 2015-05-10 |
| CA2767903A1 (en) | 2011-02-24 |
| CN102625778B (zh) | 2015-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20150811 |