JPH0582328B2 - - Google Patents
Info
- Publication number
- JPH0582328B2 JPH0582328B2 JP7311988A JP7311988A JPH0582328B2 JP H0582328 B2 JPH0582328 B2 JP H0582328B2 JP 7311988 A JP7311988 A JP 7311988A JP 7311988 A JP7311988 A JP 7311988A JP H0582328 B2 JPH0582328 B2 JP H0582328B2
- Authority
- JP
- Japan
- Prior art keywords
- concentration
- crystals
- caustic
- caustic potash
- aqueous solution
- 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 - Fee Related
Links
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 75
- 239000013078 crystal Substances 0.000 claims description 34
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 24
- 239000007864 aqueous solution Substances 0.000 claims description 20
- 239000002002 slurry Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- 239000003518 caustics Substances 0.000 description 20
- 239000000460 chlorine Substances 0.000 description 20
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 19
- 229910052700 potassium Inorganic materials 0.000 description 19
- 239000011591 potassium Substances 0.000 description 19
- 239000011734 sodium Substances 0.000 description 18
- 229910052801 chlorine Inorganic materials 0.000 description 16
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 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 14
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 14
- 238000005868 electrolysis reaction Methods 0.000 description 14
- 229910052708 sodium Inorganic materials 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000012535 impurity Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 7
- 239000001103 potassium chloride Substances 0.000 description 7
- 235000011164 potassium chloride Nutrition 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000011550 stock solution Substances 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 5
- 239000003014 ion exchange membrane Substances 0.000 description 5
- 239000012452 mother liquor Substances 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 238000005341 cation exchange Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- -1 chlorine ions Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 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
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- LTUDISCZKZHRMJ-UHFFFAOYSA-N potassium;hydrate Chemical compound O.[K] LTUDISCZKZHRMJ-UHFFFAOYSA-N 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 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
- C01D1/28—Purification; Separation
- C01D1/30—Purification; Separation by crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7311988A JPH01246124A (ja) | 1988-03-29 | 1988-03-29 | 高純度苛性カリの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7311988A JPH01246124A (ja) | 1988-03-29 | 1988-03-29 | 高純度苛性カリの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01246124A JPH01246124A (ja) | 1989-10-02 |
| JPH0582328B2 true JPH0582328B2 (ko) | 1993-11-18 |
Family
ID=13509040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7311988A Granted JPH01246124A (ja) | 1988-03-29 | 1988-03-29 | 高純度苛性カリの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01246124A (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007045679A (ja) * | 2005-08-11 | 2007-02-22 | Toagosei Co Ltd | 低重金属の高純度苛性カリおよびその製造方法。 |
| JP2007045678A (ja) * | 2005-08-11 | 2007-02-22 | Toagosei Co Ltd | 高純度苛性カリを製造するための容器 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5114820B2 (ja) * | 2000-09-13 | 2013-01-09 | 旭硝子株式会社 | 塩化ナトリウムの精製方法及び水酸化ナトリウムの製造方法 |
| EP1930296B1 (en) * | 2005-08-11 | 2014-06-04 | Toagosei Co., Ltd | Method for producing high purity caustic potash |
-
1988
- 1988-03-29 JP JP7311988A patent/JPH01246124A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007045679A (ja) * | 2005-08-11 | 2007-02-22 | Toagosei Co Ltd | 低重金属の高純度苛性カリおよびその製造方法。 |
| JP2007045678A (ja) * | 2005-08-11 | 2007-02-22 | Toagosei Co Ltd | 高純度苛性カリを製造するための容器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01246124A (ja) | 1989-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |