DE3129042C2 - Verfahren zur Reinigung von festem Kaliumchlorid - Google Patents
Verfahren zur Reinigung von festem KaliumchloridInfo
- Publication number
- DE3129042C2 DE3129042C2 DE19813129042 DE3129042A DE3129042C2 DE 3129042 C2 DE3129042 C2 DE 3129042C2 DE 19813129042 DE19813129042 DE 19813129042 DE 3129042 A DE3129042 A DE 3129042A DE 3129042 C2 DE3129042 C2 DE 3129042C2
- Authority
- DE
- Germany
- Prior art keywords
- potassium chloride
- column
- sodium chloride
- leaching
- 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
Links
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 title claims abstract description 265
- 239000001103 potassium chloride Substances 0.000 title claims abstract description 130
- 235000011164 potassium chloride Nutrition 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000007787 solid Substances 0.000 title claims description 25
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 199
- 239000011780 sodium chloride Substances 0.000 claims abstract description 99
- 238000002386 leaching Methods 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 239000002002 slurry Substances 0.000 claims abstract description 39
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 16
- 238000005406 washing Methods 0.000 claims abstract description 14
- 239000012452 mother liquor Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 9
- 239000011575 calcium Substances 0.000 claims description 9
- 229910052791 calcium Inorganic materials 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 5
- 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 claims description 3
- 159000000003 magnesium salts Chemical class 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000007900 aqueous suspension Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 54
- 239000000243 solution Substances 0.000 abstract description 52
- 239000012266 salt solution Substances 0.000 abstract description 10
- 238000010626 work up procedure Methods 0.000 abstract description 3
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 19
- 150000003839 salts Chemical class 0.000 description 14
- 239000012535 impurity Substances 0.000 description 10
- 239000011435 rock Substances 0.000 description 10
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 239000003518 caustics Substances 0.000 description 6
- 239000012065 filter cake Substances 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 229910001629 magnesium chloride Inorganic materials 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- -1 sodium chloride Chemical class 0.000 description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Substances [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009736 wetting 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
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17430880A | 1980-07-31 | 1980-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3129042A1 DE3129042A1 (de) | 1982-03-04 |
| DE3129042C2 true DE3129042C2 (de) | 1984-05-03 |
Family
ID=22635699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813129042 Expired DE3129042C2 (de) | 1980-07-31 | 1981-07-23 | Verfahren zur Reinigung von festem Kaliumchlorid |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1144738A (enExample) |
| DE (1) | DE3129042C2 (enExample) |
| FR (1) | FR2487809A1 (enExample) |
| GB (1) | GB2080779B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0627384A1 (de) * | 1993-06-03 | 1994-12-07 | Kali Und Salz Beteiligungs Aktiengesellschaft | Verfahren und Vorrichtung zur Behandlung eines Kaliumchloridgemenges |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2634665B1 (fr) * | 1988-07-29 | 1991-12-13 | Solvay | Procede et installation pour la cristallisation d'une substance minerale et cristaux de chlorure de sodium |
| US4997637A (en) * | 1989-05-09 | 1991-03-05 | Occidental Chemical Corporation | Digestive crystallizing process and apparatus for purification of KC1 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB213531A (en) * | 1923-03-29 | 1924-06-12 | Grande Paroisse Azote & Prod C | Improvements in or relating to the purification of minerals and salts |
| FR2411158A1 (fr) * | 1977-12-08 | 1979-07-06 | Ppg Ind Canada Ltd | Procede de purification du chlorure de potassium cristallin |
| US4248601A (en) * | 1979-07-12 | 1981-02-03 | Kerr-Mcgee Chemical Corporation | Process for reducing the sodium chloride content of a potassium salt |
-
1981
- 1981-06-08 GB GB8117501A patent/GB2080779B/en not_active Expired
- 1981-06-23 CA CA000380450A patent/CA1144738A/en not_active Expired
- 1981-07-23 DE DE19813129042 patent/DE3129042C2/de not_active Expired
- 1981-07-29 FR FR8114785A patent/FR2487809A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0627384A1 (de) * | 1993-06-03 | 1994-12-07 | Kali Und Salz Beteiligungs Aktiengesellschaft | Verfahren und Vorrichtung zur Behandlung eines Kaliumchloridgemenges |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2487809A1 (fr) | 1982-02-05 |
| CA1144738A (en) | 1983-04-19 |
| FR2487809B1 (enExample) | 1983-08-19 |
| GB2080779A (en) | 1982-02-10 |
| GB2080779B (en) | 1984-06-20 |
| DE3129042A1 (de) | 1982-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8339 | Ceased/non-payment of the annual fee |