FI90356C - Förfarande för framställning av alkalimetallhydroxid - Google Patents
Förfarande för framställning av alkalimetallhydroxid Download PDFInfo
- Publication number
- FI90356C FI90356C FI921108A FI921108A FI90356C FI 90356 C FI90356 C FI 90356C FI 921108 A FI921108 A FI 921108A FI 921108 A FI921108 A FI 921108A FI 90356 C FI90356 C FI 90356C
- Authority
- FI
- Finland
- Prior art keywords
- alkali metal
- process according
- electrolysis
- neutralization
- chloride solution
- Prior art date
Links
- 150000008044 alkali metal hydroxides Chemical class 0.000 title description 14
- 238000004519 manufacturing process Methods 0.000 title description 7
- 238000000034 method Methods 0.000 claims description 40
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 28
- 238000005868 electrolysis reaction Methods 0.000 claims description 24
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 22
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 19
- 238000006386 neutralization reaction Methods 0.000 claims description 16
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 14
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 14
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 11
- 239000000460 chlorine Substances 0.000 claims description 11
- 229910052801 chlorine Inorganic materials 0.000 claims description 11
- 239000011780 sodium chloride Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052753 mercury Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 24
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 9
- 150000008041 alkali metal carbonates Chemical class 0.000 description 9
- 239000003513 alkali Substances 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 150000003464 sulfur compounds Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 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
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Claims (9)
- 8 9 0356 tegas, och den sålunda erhållna alkalimetallkloridlosningen inleds sedan efter rening i elektrolyscellerna.
- 4. Forfarande enligt patentkravet 2 eller 3, kånnetecknat 5 av att alkalimetallkloridlosningen efter neutraliseringen uppvisar en koncentration som ligger nåra den måttade koncentrationen.
- 5. Forfarande enligt något av patentkraven 2-4, kånneteck-10 nat av att alkalimetallkloridlosningens pH efter neutraliseringen år mellan 3 och 11.
- 6. Forfarande enligt något av de fdregående patentkraven, kånnetecknat av att neutraliseringen utfors i ett eller fle- 15 ra steg.
- 7. Forfarande enligt något av de foregående patentkraven, kånnetecknat av att temperaturen vid neutraliseringen år mellan 20°C och 100°C. 20
- 8. FSrfarande enligt något av de foregående patentkraven, kånnetecknat av att elektrolyseringen av alkalimetallkloridlosningen utfårs i en kvicksilverkatod-, diafragma- eller membrancell. : 25
- 9. Forfarande enligt något av de foregående patentkraven, kånnetecknat av att det for neutraliseringen anvånda klorvåtet erhålls från elektrolysen av alkalimetallkloridl6sningen.
- 10. Forfarande enligt patentkravet 9, kånnetecknat av att klor och våte efter elektrolysen syntetiseras till klorvåte.
- 11. FSrfarande enligt patentkravet 10, kånnetecknat av att klorvåtegasen renas antingen genom att kondensera och får-- 35 ånga klorvåtet eller fdretrådesvis genom att absorbera klorvåtet i vatten eller i en klorvåtesyralosning och avdestil-lera ren klorvåtegas for neutraliseringen. 90356 c°2 ί 7 "2° I k Ψ Na2C03 NaCl(aq) -> 6 -* 2 -> 1 -> NaOH(aq) NaCl(aq) 5 «--- iHC1(^ ,_, Cl, 4- 4 «- 3 Ho I L____J «-—- | __r H^O(g) H2°
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI921108A FI90356C (sv) | 1992-03-13 | 1992-03-13 | Förfarande för framställning av alkalimetallhydroxid |
| AU34098/93A AU657842B2 (en) | 1992-03-13 | 1993-03-09 | Method for producing alkaline metal hydroxide |
| AT93103824T ATE185855T1 (de) | 1992-03-13 | 1993-03-10 | Verfahren zur herstellung von alkalimetall- hydroxyd |
| EP93103824A EP0560316B1 (en) | 1992-03-13 | 1993-03-10 | Method for producing alkaline metal hydroxide |
| DE69326788T DE69326788T2 (de) | 1992-03-13 | 1993-03-10 | Verfahren zur Herstellung von Alkalimetall-Hydroxyd |
| ES93103824T ES2137203T3 (es) | 1992-03-13 | 1993-03-10 | Metodo para producir hidroxido de metal alcalino. |
| RU9393004606A RU2091509C1 (ru) | 1992-03-13 | 1993-03-12 | Способ получения гидроокиси щелочного металла |
| JP5051805A JP2755542B2 (ja) | 1992-03-13 | 1993-03-12 | アルカリ金属水酸化物の製造方法 |
| CA002092651A CA2092651C (en) | 1992-03-13 | 1993-03-12 | Method for producing alkaline metal hydroxide |
| US08/558,350 US5651875A (en) | 1992-03-13 | 1995-11-16 | Process for producing alkali metal hydroxide |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI921108 | 1992-03-13 | ||
| FI921108A FI90356C (sv) | 1992-03-13 | 1992-03-13 | Förfarande för framställning av alkalimetallhydroxid |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI921108A0 FI921108A0 (sv) | 1992-03-13 |
| FI90356B FI90356B (sv) | 1993-10-15 |
| FI90356C true FI90356C (sv) | 1994-01-25 |
Family
ID=8534924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI921108A FI90356C (sv) | 1992-03-13 | 1992-03-13 | Förfarande för framställning av alkalimetallhydroxid |
Country Status (1)
| Country | Link |
|---|---|
| FI (1) | FI90356C (sv) |
-
1992
- 1992-03-13 FI FI921108A patent/FI90356C/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI921108A0 (sv) | 1992-03-13 |
| FI90356B (sv) | 1993-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| PC | Transfer of assignment of patent |
Owner name: EKA CHEMICALS OY |
|
| MA | Patent expired |