CH637353A5 - Verfahren zum reinigen einer waessrigen, alkalimetall-halogenid enthaltenden loesung fuer die elektrolyse. - Google Patents
Verfahren zum reinigen einer waessrigen, alkalimetall-halogenid enthaltenden loesung fuer die elektrolyse. Download PDFInfo
- Publication number
- CH637353A5 CH637353A5 CH916778A CH916778A CH637353A5 CH 637353 A5 CH637353 A5 CH 637353A5 CH 916778 A CH916778 A CH 916778A CH 916778 A CH916778 A CH 916778A CH 637353 A5 CH637353 A5 CH 637353A5
- Authority
- CH
- Switzerland
- Prior art keywords
- ions
- aqueous solution
- electrolysis
- phosphate
- alkali metal
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 238000005868 electrolysis reaction Methods 0.000 title claims description 17
- 238000004140 cleaning Methods 0.000 title claims description 10
- 239000002184 metal Substances 0.000 title 1
- 239000007864 aqueous solution Substances 0.000 claims description 32
- 229910001424 calcium ion Inorganic materials 0.000 claims description 26
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 21
- 229910001508 alkali metal halide Inorganic materials 0.000 claims description 19
- 150000008045 alkali metal halides Chemical class 0.000 claims description 19
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 18
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 150000001768 cations Chemical class 0.000 claims description 11
- 239000011780 sodium chloride Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 229910000318 alkali metal phosphate Inorganic materials 0.000 claims description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 claims description 2
- 235000011180 diphosphates Nutrition 0.000 claims description 2
- 239000001226 triphosphate Substances 0.000 claims description 2
- 235000011178 triphosphate Nutrition 0.000 claims description 2
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 claims description 2
- 125000005341 metaphosphate group Chemical group 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000011575 calcium Substances 0.000 description 16
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 13
- 229910001425 magnesium ion Inorganic materials 0.000 description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 12
- 239000011777 magnesium Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 6
- 235000011007 phosphoric acid Nutrition 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 5
- -1 hydroxyl ions Chemical class 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000013522 chelant Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000003014 ion exchange membrane Substances 0.000 description 3
- 229940085991 phosphate ion Drugs 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 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
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
- C01D3/16—Purification by precipitation or adsorption
-
- 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
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
-
- 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
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Removal Of Specific Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52121848A JPS6055442B2 (ja) | 1977-10-13 | 1977-10-13 | 電解用塩水の精製方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH637353A5 true CH637353A5 (de) | 1983-07-29 |
Family
ID=14821421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH916778A CH637353A5 (de) | 1977-10-13 | 1978-08-31 | Verfahren zum reinigen einer waessrigen, alkalimetall-halogenid enthaltenden loesung fuer die elektrolyse. |
Country Status (19)
Country | Link |
---|---|
JP (1) | JPS6055442B2 (nl) |
AT (1) | AT358068B (nl) |
AU (1) | AU514942B2 (nl) |
BE (1) | BE869949A (nl) |
BR (1) | BR7805611A (nl) |
CA (1) | CA1156599A (nl) |
CH (1) | CH637353A5 (nl) |
DE (1) | DE2837192B2 (nl) |
DK (1) | DK369678A (nl) |
ES (1) | ES472924A1 (nl) |
FI (1) | FI64401C (nl) |
FR (1) | FR2406004A1 (nl) |
GB (1) | GB2005645B (nl) |
IT (1) | IT1106279B (nl) |
NL (1) | NL7808794A (nl) |
NO (1) | NO151541C (nl) |
NZ (1) | NZ188254A (nl) |
PT (1) | PT68489A (nl) |
SE (1) | SE429979B (nl) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8321934D0 (en) * | 1983-08-15 | 1983-09-14 | Ici Plc | Electrolytic cell module |
ZA852131B (en) * | 1984-04-17 | 1985-11-27 | Dampier Salt Ltd | Process for producing high grade sodium chloride |
AR082684A1 (es) * | 2010-08-12 | 2012-12-26 | Res Inst Ind Science & Tech | Un metodo para extraer litio de alta pureza desde una solucion portadora de litio por electrolisis |
CN103449479A (zh) * | 2013-09-12 | 2013-12-18 | 山东东岳氟硅材料有限公司 | 降低一次盐水钙镁离子含量的方法 |
CN105565342B (zh) * | 2015-12-16 | 2018-02-27 | 攀枝花钢企欣宇化工有限公司 | 用于氯碱工业中一次盐水精制的精制剂及其应用 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE55976C (de) * | M. M. MONSANTO in Hoboken, New-Jersey, V. St. A | Verfahren zur Reinigung von Soole durch Natriumphosphat | ||
GB199607A (en) * | 1922-06-28 | 1923-06-28 | Johann Theodor Westermann | Process for manufacturing pure sodium chloride |
US2433601A (en) * | 1944-01-25 | 1947-12-30 | Bay Chemical Company Inc | Preparation of purified brine |
US2624654A (en) * | 1949-06-03 | 1953-01-06 | Diamond Alkali Co | Method of making purified brine |
US2906599A (en) * | 1953-11-16 | 1959-09-29 | Hagan Chemicals & Controls Inc | Method of preparing sodium chloride brines of high purity |
US2906600A (en) * | 1954-10-22 | 1959-09-29 | Hagan Chemicals & Controls Inc | Method of preparing sodium chloride brine of high purity |
US3140915A (en) * | 1962-08-13 | 1964-07-14 | Freeport Sulphur Co | Method of inhibiting dissolution of calcium sulfate |
US3607688A (en) * | 1969-01-17 | 1971-09-21 | Seiichi Inoue | Treating sea water with production of chlorine and fertilizer |
BE795460A (fr) * | 1972-02-16 | 1973-08-16 | Diamond Shamrock Corp | Perfectionnements relatifs a des cuves electrolytiques |
FR2244708B1 (nl) * | 1973-09-25 | 1977-08-12 | Ugine Kuhlmann | |
JPS551351B2 (nl) * | 1974-03-07 | 1980-01-12 | ||
US4040919A (en) * | 1974-10-29 | 1977-08-09 | Hooker Chemicals & Plastics Corporation | Voltage reduction of membrane cell for the electrolysis of brine |
JPS5186100A (ja) * | 1975-01-25 | 1976-07-28 | Asahi Chemical Ind | Ensuinodenkaihoho |
US4038365A (en) * | 1975-12-03 | 1977-07-26 | Basf Wyandotte Corporation | Removal of low level hardness impurities from brine feed to chlorine cells |
-
1977
- 1977-10-13 JP JP52121848A patent/JPS6055442B2/ja not_active Expired
-
1978
- 1978-08-18 SE SE7808775A patent/SE429979B/sv not_active IP Right Cessation
- 1978-08-21 DK DK369678A patent/DK369678A/da not_active Application Discontinuation
- 1978-08-22 NO NO782853A patent/NO151541C/no unknown
- 1978-08-24 NZ NZ188254A patent/NZ188254A/xx unknown
- 1978-08-24 BE BE190051A patent/BE869949A/xx not_active IP Right Cessation
- 1978-08-25 NL NL7808794A patent/NL7808794A/nl not_active Application Discontinuation
- 1978-08-25 DE DE2837192A patent/DE2837192B2/de not_active Ceased
- 1978-08-25 GB GB7834646A patent/GB2005645B/en not_active Expired
- 1978-08-25 AU AU39280/78A patent/AU514942B2/en not_active Expired
- 1978-08-28 FI FI782623A patent/FI64401C/fi not_active IP Right Cessation
- 1978-08-28 IT IT50868/78A patent/IT1106279B/it active
- 1978-08-28 AT AT623378A patent/AT358068B/de not_active IP Right Cessation
- 1978-08-29 ES ES472924A patent/ES472924A1/es not_active Expired
- 1978-08-29 CA CA000310253A patent/CA1156599A/en not_active Expired
- 1978-08-30 PT PT68489A patent/PT68489A/pt unknown
- 1978-08-30 BR BR7805611A patent/BR7805611A/pt unknown
- 1978-08-30 FR FR7825065A patent/FR2406004A1/fr active Granted
- 1978-08-31 CH CH916778A patent/CH637353A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5456079A (en) | 1979-05-04 |
GB2005645A (en) | 1979-04-25 |
IT7850868A0 (it) | 1978-08-28 |
AU514942B2 (en) | 1981-03-05 |
AT358068B (de) | 1980-08-25 |
SE7808775L (sv) | 1979-04-14 |
BR7805611A (pt) | 1979-06-05 |
FI64401B (fi) | 1983-07-29 |
NO782853L (no) | 1979-04-18 |
NO151541C (no) | 1985-05-02 |
AU3928078A (en) | 1980-02-28 |
FR2406004A1 (fr) | 1979-05-11 |
NL7808794A (nl) | 1979-04-18 |
GB2005645B (en) | 1982-04-07 |
FI64401C (fi) | 1983-11-10 |
DE2837192B2 (de) | 1980-10-09 |
FI782623A (fi) | 1979-04-14 |
BE869949A (fr) | 1978-12-18 |
CA1156599A (en) | 1983-11-08 |
NO151541B (no) | 1985-01-14 |
JPS6055442B2 (ja) | 1985-12-05 |
DE2837192A1 (de) | 1979-04-19 |
FR2406004B1 (nl) | 1981-03-06 |
NZ188254A (en) | 1980-11-14 |
ATA623378A (de) | 1980-01-15 |
SE429979B (sv) | 1983-10-10 |
PT68489A (en) | 1978-09-01 |
ES472924A1 (es) | 1979-02-16 |
IT1106279B (it) | 1985-11-11 |
DK369678A (da) | 1979-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |