CL2017002797A1 - Métodos para la producción de sulfato de potasio a partir de minerales que contienen potasio a altas temperaturas. - Google Patents
Métodos para la producción de sulfato de potasio a partir de minerales que contienen potasio a altas temperaturas.Info
- Publication number
- CL2017002797A1 CL2017002797A1 CL2017002797A CL2017002797A CL2017002797A1 CL 2017002797 A1 CL2017002797 A1 CL 2017002797A1 CL 2017002797 A CL2017002797 A CL 2017002797A CL 2017002797 A CL2017002797 A CL 2017002797A CL 2017002797 A1 CL2017002797 A1 CL 2017002797A1
- Authority
- CL
- Chile
- Prior art keywords
- potassium
- sulfate
- potassium sulfate
- leonite
- methods
- Prior art date
Links
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 title abstract 8
- 229910052939 potassium sulfate Inorganic materials 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 5
- 235000011151 potassium sulphates Nutrition 0.000 title abstract 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000011591 potassium Substances 0.000 title abstract 2
- 229910052700 potassium Inorganic materials 0.000 title abstract 2
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 8
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract 4
- 235000019341 magnesium sulphate Nutrition 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/06—Preparation of sulfates by double decomposition
- C01D5/10—Preparation of sulfates by double decomposition with sulfates of magnesium, calcium, strontium, or barium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/16—Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/40—Magnesium sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Seasonings (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
<p>Métodos para la producción de sulfato de potasio. Los métodos comprenden la puesta en contacto de una composición acuosa que contiene potasio y sulfato con cloruro de magnesio (MgCl2), obteniendo así una composición que comprende cainita; opcionalmente concentrando la cainita de la composición; reacción de la cainita con sulfato de magnesio (MgSO4) y sulfato de potasio (K2SO4) de modo de convertir la cainita en leonita (K2SO4.MgSO4.4H2O); opcionalmente puesta en contacto de la leonita con agua para remover exceso de MgSO4; y puesta en contacto de la leonita con agua de modo de lixiviar el MgSO4, contenido en la leonita y precipitar al menos sustancialmente de modo selectivo el sulfato de potasio (K2SO4). El método de acuerdo con la invención se puede operar a mayores temperaturas, en particular a temperaturas superiores a 35 °C y no requiere una etapa de enfriamiento de 20 a 25 °C. El método produce sulfato de potasio con una baja cantidad de cloruro.</p>
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20150571 | 2015-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2017002797A1 true CL2017002797A1 (es) | 2018-03-16 |
Family
ID=56068842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2017002797A CL2017002797A1 (es) | 2015-05-08 | 2017-11-06 | Métodos para la producción de sulfato de potasio a partir de minerales que contienen potasio a altas temperaturas. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10399861B2 (es) |
| CN (1) | CN108349743A (es) |
| AR (1) | AR104559A1 (es) |
| AU (1) | AU2016260680C1 (es) |
| CL (1) | CL2017002797A1 (es) |
| WO (1) | WO2016180692A1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017108876A1 (en) * | 2015-12-22 | 2017-06-29 | Yara Dallol Bv | Method for the control of sulphate forming compounds in the preparation of potassium sulphate from potassium-containing ores at high ambient temperatures |
| US20190225502A1 (en) * | 2016-06-24 | 2019-07-25 | Yara Dallol Bv | Method for the reduction of halite in the preparation of potassium sulphate from potassium-containing ores at high ambient temperatures |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2895794A (en) | 1955-05-03 | 1959-07-21 | Int Minerals & Chem Corp | Process for recovering potassium values from kainite |
| US2902344A (en) | 1956-09-14 | 1959-09-01 | Sincat Spa | Process for the preparation of hydrous potassium magnesium sulfate and potassium sulfate from kainite containing sodium chloride |
| US3058806A (en) | 1959-01-16 | 1962-10-16 | Metallgesellschaft Ag | Method of preparing potassium sulfate from kainite |
| US3198601A (en) | 1960-09-15 | 1965-08-03 | Montedison Spa | Process for producing potassium sulfate starting from kainite |
| DE1140914B (de) * | 1961-07-15 | 1962-12-13 | Metallgesellschaft Ag | Verfahren zur Herstellung von Kaliumsulfat aus Kainit |
| FR1310823A (fr) * | 1961-11-30 | 1962-11-30 | Sincat Spa | Procédé de traitement de minerai kaïnite pour la production de léonite et de sulfates de potassium |
| US3528767A (en) * | 1966-03-16 | 1970-09-15 | Donald E Garrett | Production of potassium chloride,potassium sulfate and sodium sulfate from brines and the like containing potassium,chloride and sulfate |
| US3415620A (en) * | 1966-05-18 | 1968-12-10 | Sincat Spa | Process for the production of potassium sulfate |
| SU426359A3 (ru) | 1966-05-18 | 1974-04-30 | Иностранцы Альберто Скарфи , Эммануэль Гуглиотта | Способ получения сульфата калия |
| US3451770A (en) * | 1966-05-18 | 1969-06-24 | Montedison Spa | Process for the preparation of potassium sulfate from kainite |
| US3589871A (en) * | 1968-06-10 | 1971-06-29 | Great Salt Lake Minerals | Method for the production of high-grade kainite |
| US3598522A (en) * | 1968-07-18 | 1971-08-10 | Nat Lead Co | Conversion of potassium-magnesium double salts into kainite |
| US3634041A (en) | 1969-02-14 | 1972-01-11 | Great Salt Lake Minerals | Method for the production of potassium sulfate from potassium-containing double salts of magnesium sulfate |
| CN1220968A (zh) * | 1997-12-22 | 1999-06-30 | 中国科学院青海盐湖研究所 | 利用钾资源与镁资源和天然无水芒硝制取硫酸钾的新工艺 |
| CA2552104C (en) * | 2003-12-31 | 2009-11-24 | Council Of Scientific And Industrial Research | Process for recovery of sulphate of potash |
| US7041268B2 (en) * | 2004-03-30 | 2006-05-09 | Council Of Scientific And Industrial Research | Process for recovery of sulphate of potash |
-
2016
- 2016-05-04 US US15/569,207 patent/US10399861B2/en not_active Expired - Fee Related
- 2016-05-04 AU AU2016260680A patent/AU2016260680C1/en not_active Ceased
- 2016-05-04 CN CN201680026572.4A patent/CN108349743A/zh active Pending
- 2016-05-04 WO PCT/EP2016/059952 patent/WO2016180692A1/en not_active Ceased
- 2016-05-06 AR ARP160101318A patent/AR104559A1/es unknown
-
2017
- 2017-11-06 CL CL2017002797A patent/CL2017002797A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016180692A1 (en) | 2016-11-17 |
| AU2016260680A1 (en) | 2017-12-21 |
| CN108349743A (zh) | 2018-07-31 |
| US10399861B2 (en) | 2019-09-03 |
| US20180111839A1 (en) | 2018-04-26 |
| AU2016260680C1 (en) | 2019-05-16 |
| AR104559A1 (es) | 2017-07-26 |
| AU2016260680B2 (en) | 2019-02-21 |
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