HU212211B - Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid - Google Patents
Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid Download PDFInfo
- Publication number
- HU212211B HU212211B HU9303700A HU9303700A HU212211B HU 212211 B HU212211 B HU 212211B HU 9303700 A HU9303700 A HU 9303700A HU 9303700 A HU9303700 A HU 9303700A HU 212211 B HU212211 B HU 212211B
- Authority
- HU
- Hungary
- Prior art keywords
- solution
- sodium
- hydrogen
- salt
- exchange membrane
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 59
- 230000008569 process Effects 0.000 title claims description 47
- 239000002253 acid Substances 0.000 title claims description 26
- 239000012266 salt solution Substances 0.000 title claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 167
- 239000000243 solution Substances 0.000 claims description 100
- 239000012528 membrane Substances 0.000 claims description 96
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 82
- 229910052739 hydrogen Inorganic materials 0.000 claims description 70
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical group [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 69
- 239000001257 hydrogen Substances 0.000 claims description 69
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 63
- 235000011152 sodium sulphate Nutrition 0.000 claims description 63
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 54
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 46
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 40
- 238000005341 cation exchange Methods 0.000 claims description 36
- 238000005868 electrolysis reaction Methods 0.000 claims description 31
- 150000003839 salts Chemical class 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 24
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 23
- 239000003054 catalyst Substances 0.000 claims description 22
- 239000003792 electrolyte Substances 0.000 claims description 22
- 239000011780 sodium chloride Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910001868 water Inorganic materials 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 13
- -1 organic base salt Chemical class 0.000 claims description 12
- 239000002585 base Substances 0.000 claims description 11
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical group CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims description 10
- 239000003011 anion exchange membrane Substances 0.000 claims description 9
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 239000001632 sodium acetate Substances 0.000 claims description 8
- 235000017281 sodium acetate Nutrition 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000008151 electrolyte solution Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- IYGFDEZBVCNBRU-UHFFFAOYSA-L disodium sulfuric acid sulfate Chemical compound [H+].[H+].[H+].[H+].[Na+].[Na+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IYGFDEZBVCNBRU-UHFFFAOYSA-L 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 4
- 229910001111 Fine metal Inorganic materials 0.000 claims description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000010411 electrocatalyst Substances 0.000 claims description 3
- 239000003014 ion exchange membrane Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 231100000331 toxic Toxicity 0.000 claims description 3
- 230000002588 toxic effect Effects 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 150000001447 alkali salts Chemical group 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 239000012799 electrically-conductive coating Substances 0.000 claims description 2
- 239000002198 insoluble material Substances 0.000 claims description 2
- 239000003637 basic solution Substances 0.000 claims 1
- 229940021013 electrolyte solution Drugs 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 239000006262 metallic foam Substances 0.000 claims 1
- 239000011833 salt mixture Substances 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 16
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 16
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 15
- 239000000460 chlorine Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- 229910052801 chlorine Inorganic materials 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 13
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 13
- 229910052719 titanium Inorganic materials 0.000 description 13
- 239000010936 titanium Substances 0.000 description 13
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 12
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- 229920000557 Nafion® Polymers 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 12
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- 235000017557 sodium bicarbonate Nutrition 0.000 description 11
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000006227 byproduct Substances 0.000 description 9
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 9
- 239000011148 porous material Substances 0.000 description 9
- 229910052697 platinum Inorganic materials 0.000 description 8
- 239000001569 carbon dioxide Substances 0.000 description 7
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- 229960004424 carbon dioxide Drugs 0.000 description 7
- 150000001805 chlorine compounds Chemical class 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 239000003513 alkali Substances 0.000 description 5
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- 238000000576 coating method Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
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- 150000002739 metals Chemical class 0.000 description 5
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000003929 acidic solution Substances 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
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- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
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- 239000004317 sodium nitrate Substances 0.000 description 3
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- 159000000000 sodium salts Chemical class 0.000 description 3
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
- C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
- C25B1/16—Hydroxides
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
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Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI911765A IT1248564B (it) | 1991-06-27 | 1991-06-27 | Processo di decomposizione elettrochimica di sali neutri senza co-produzione di alogeni o di acido e cella di elettrolisi adatta per la sua realizzazione. |
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| Publication Number | Publication Date |
|---|---|
| HU9303700D0 HU9303700D0 (en) | 1994-04-28 |
| HUT66157A HUT66157A (en) | 1994-09-28 |
| HU212211B true HU212211B (en) | 1996-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU9303700A HU212211B (en) | 1991-06-27 | 1992-06-26 | Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid |
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| US5256261A (en) * | 1992-08-21 | 1993-10-26 | Sterling Canada, Inc. | Membrane cell operation |
-
1991
- 1991-06-27 IT ITMI911765A patent/IT1248564B/it active IP Right Grant
-
1992
- 1992-06-18 IL IL10224792A patent/IL102247A/en not_active IP Right Cessation
- 1992-06-19 TW TW081104802A patent/TW230226B/zh active
- 1992-06-20 AR AR92322643A patent/AR246560A1/es active
- 1992-06-25 NZ NZ243305A patent/NZ243305A/en unknown
- 1992-06-26 AT AT92913603T patent/ATE145018T1/de not_active IP Right Cessation
- 1992-06-26 BR BR9206192A patent/BR9206192A/pt not_active Application Discontinuation
- 1992-06-26 MX MX9203527A patent/MX9203527A/es not_active IP Right Cessation
- 1992-06-26 EP EP92110897A patent/EP0522382A1/en active Pending
- 1992-06-26 CA CA002112100A patent/CA2112100A1/en not_active Abandoned
- 1992-06-26 CZ CS932891A patent/CZ289193A3/cs unknown
- 1992-06-26 JP JP16938692A patent/JP3182216B2/ja not_active Expired - Fee Related
- 1992-06-26 HU HU9303700A patent/HU212211B/hu not_active IP Right Cessation
- 1992-06-26 KR KR1019930704025A patent/KR940701466A/ko not_active Withdrawn
- 1992-06-26 US US08/157,180 patent/US5595641A/en not_active Expired - Fee Related
- 1992-06-26 EP EP92913603A patent/EP0591350B1/en not_active Expired - Lifetime
- 1992-06-26 WO PCT/EP1992/001442 patent/WO1993000460A1/en not_active Ceased
- 1992-06-26 AU AU21655/92A patent/AU663717B2/en not_active Ceased
- 1992-06-26 ZA ZA924771A patent/ZA924771B/xx unknown
- 1992-06-26 TR TR00637/92A patent/TR26992A/xx unknown
- 1992-06-26 CN CN92105160A patent/CN1067931A/zh active Pending
- 1992-06-26 DE DE69215093T patent/DE69215093T2/de not_active Expired - Fee Related
- 1992-06-26 RU RU93058574A patent/RU2107752C1/ru active
-
1993
- 1993-12-21 SK SK1458-93A patent/SK145893A3/sk unknown
- 1993-12-23 FI FI935818A patent/FI935818A0/fi unknown
-
1996
- 1996-05-24 US US08/653,628 patent/US5776328A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| HU9303700D0 (en) | 1994-04-28 |
| IT1248564B (it) | 1995-01-19 |
| ITMI911765A1 (it) | 1992-12-27 |
| FI935818A7 (fi) | 1993-12-23 |
| TW230226B (cg-RX-API-DMAC7.html) | 1994-09-11 |
| AU2165592A (en) | 1993-01-25 |
| US5776328A (en) | 1998-07-07 |
| CN1067931A (zh) | 1993-01-13 |
| DE69215093T2 (de) | 1997-06-12 |
| EP0591350B1 (en) | 1996-11-06 |
| ITMI911765A0 (it) | 1991-06-27 |
| RU2107752C1 (ru) | 1998-03-27 |
| ZA924771B (en) | 1993-03-31 |
| KR940701466A (ko) | 1994-05-28 |
| HUT66157A (en) | 1994-09-28 |
| EP0591350A1 (en) | 1994-04-13 |
| DE69215093D1 (de) | 1996-12-12 |
| US5595641A (en) | 1997-01-21 |
| FI935818A0 (fi) | 1993-12-23 |
| WO1993000460A1 (en) | 1993-01-07 |
| NZ243305A (en) | 1994-06-27 |
| IL102247A (en) | 1996-06-18 |
| AR246560A1 (es) | 1994-08-31 |
| TR26992A (tr) | 1994-09-13 |
| EP0522382A1 (en) | 1993-01-13 |
| ATE145018T1 (de) | 1996-11-15 |
| MX9203527A (es) | 1992-12-01 |
| SK145893A3 (en) | 1994-07-06 |
| JPH05214573A (ja) | 1993-08-24 |
| CZ289193A3 (en) | 1994-04-13 |
| BR9206192A (pt) | 1994-11-08 |
| AU663717B2 (en) | 1995-10-19 |
| JP3182216B2 (ja) | 2001-07-03 |
| CA2112100A1 (en) | 1993-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HMM4 | Cancellation of final prot. due to non-payment of fee |