GB776479A - Improved process for reducing the caking tendency of potassium chloride and of mixtures containing same as an essential constituent - Google Patents
Improved process for reducing the caking tendency of potassium chloride and of mixtures containing same as an essential constituentInfo
- Publication number
- GB776479A GB776479A GB2515/55A GB251555A GB776479A GB 776479 A GB776479 A GB 776479A GB 2515/55 A GB2515/55 A GB 2515/55A GB 251555 A GB251555 A GB 251555A GB 776479 A GB776479 A GB 776479A
- Authority
- GB
- United Kingdom
- Prior art keywords
- potassium chloride
- chloride
- per cent
- mixtures containing
- cyanide
- 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
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
- C01D3/26—Preventing the absorption of moisture or caking of the crystals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The caking tendency of potassium chloride or mixtures containing it is reduced by intimately admixing therewith a soluble ferrous or ferric cyanide especially those of the alkali metals in amounts generally below 0.1 per cent. by weight and suitably 0.05 to 0.001 per cent. by weight. The additive may be incorporated by dry mixing, by atomizing a dilute solution thereof on to the solid chloride or by adding the ferrous or ferric cyanide to a suspension of potassium chloride and thereafter separating the chloride from the mother liquor. According to examples (i) technical potassium chloride was treated in a mixing screw with a 4 per cent. solution of sodium ferrous cyanide atomized on to the flowing chloride after which the salt was dried. (ii) Potassium ferric cyanide was intimately mixed with potassium chloride and the mixture was spread over a large mass of the same potassium chloride and the whole intimately mixed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL776479X | 1954-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB776479A true GB776479A (en) | 1957-06-05 |
Family
ID=19829997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2515/55A Expired GB776479A (en) | 1954-08-13 | 1955-01-27 | Improved process for reducing the caking tendency of potassium chloride and of mixtures containing same as an essential constituent |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB776479A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1214656B (en) * | 1958-10-17 | 1966-04-21 | Solvay Werke Gmbh | Process for reducing or preventing the coarsening of grains and / or the caking of potassium chloride as a result of temperature and / or humidity fluctuations during storage |
| US3441386A (en) * | 1965-10-01 | 1969-04-29 | Montedison Spa | Leaching potassium salts from mixtures in the presence of soluble ferric,chromic and aluminum salts |
-
1955
- 1955-01-27 GB GB2515/55A patent/GB776479A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1214656B (en) * | 1958-10-17 | 1966-04-21 | Solvay Werke Gmbh | Process for reducing or preventing the coarsening of grains and / or the caking of potassium chloride as a result of temperature and / or humidity fluctuations during storage |
| US3441386A (en) * | 1965-10-01 | 1969-04-29 | Montedison Spa | Leaching potassium salts from mixtures in the presence of soluble ferric,chromic and aluminum salts |
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