GB372388A - Improvements in the manufacture and production of ammonium sulphate nitrate stable for storage - Google Patents
Improvements in the manufacture and production of ammonium sulphate nitrate stable for storageInfo
- Publication number
- GB372388A GB372388A GB80131A GB80131A GB372388A GB 372388 A GB372388 A GB 372388A GB 80131 A GB80131 A GB 80131A GB 80131 A GB80131 A GB 80131A GB 372388 A GB372388 A GB 372388A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- nitrate
- salts
- ammonium sulphate
- added
- 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
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C1/00—Ammonium nitrate fertilisers
- C05C1/02—Granulation; Pelletisation; Stabilisation; Colouring
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/18—Nitrates of ammonium
Abstract
Ammonium sulphate-nitrate is rendered stable for storage, particularly for the fertilizer industry, by adding thereto urea and non-deliquescent salts which in a dehydrated state are capable of combining with water of crystallization. Salts of magnesium, aluminium, iron in the ferrous or ferric state and Glauber's salt are specified. The salts may be used in the anhydrous or partially or completely hydrated condition. Preferably, about one part urea per three parts of salt is employed, \ba1/4\be-10 per cent by weight of urea being used. The mixture may be added to the ammonia sulphate-nitrate at any time during its preparation. In examples, urea is added to a solution of ferrous sulphate, and the mixture added to an agitated mixture of ammonium sulphate and nitrate; hydrated aluminium sulphate or dehydrated magnesium nitrate and urea are added to ammonium sulphate-nitrate; a hot solution of Glauber's salt and urea is sprayed on to ammonium sulphate-nitrate with mixing. The mass is dried in some cases, for instance, at 100 DEG C. A statement of prior art refers to the use separately of urea and non-deliquescent salts capable of combining with water of crystallization, for example, magnesium salts.ALSO:Ammonium sulphate-nitrate is rendered stable for storage, particularly for the fertilizer industry, by adding thereto urea and non-deliquescent salts which in a dehydrated state are capable of combining with water of crystallization. Salts of magnesium, aluminium, iron in the ferrous or ferric state and Glauber's salt are specified. The salts may be used in the anhydrous or partially or completely hydrated condition. Preferably, about one part urea per three parts of salt is employed, 1/4 -10 per cent by weight of urea being used. The mixture may be added to the ammonium sulphate-nitrate at any time during its preparation. In examples, urea is added to a solution of ferrous sulphate, and the mixture added to an agitated mixture of ammonium sulphate and nitrate; hydrated aluminium sulphate or dehydrated magnesium nitrate and urea are added to ammonium sulphate-nitrate; a hot solution of Glauber's salt and urea is sprayed on to ammonium sulphate-nitrate with mixing. The mass is dried in some cases, for instance, at 100 DEG C. A statement of prior art refers to the use separately of urea and non-deliquescent salts capable of combining with water of crystallization, for example, magnesium salts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB80131A GB372388A (en) | 1931-01-09 | 1931-01-09 | Improvements in the manufacture and production of ammonium sulphate nitrate stable for storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB80131A GB372388A (en) | 1931-01-09 | 1931-01-09 | Improvements in the manufacture and production of ammonium sulphate nitrate stable for storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB372388A true GB372388A (en) | 1932-05-09 |
Family
ID=9710730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB80131A Expired GB372388A (en) | 1931-01-09 | 1931-01-09 | Improvements in the manufacture and production of ammonium sulphate nitrate stable for storage |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB372388A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002040427A2 (en) | 2000-11-15 | 2002-05-23 | Honeywell International Inc. | Ammonium sulfate nitrate |
| WO2014033159A3 (en) * | 2012-08-29 | 2014-05-01 | Yara International Asa | Safe blends of ammonium nitrate (an) with urea, or of an an-comprising product with a urea-comprising product |
-
1931
- 1931-01-09 GB GB80131A patent/GB372388A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002040427A2 (en) | 2000-11-15 | 2002-05-23 | Honeywell International Inc. | Ammonium sulfate nitrate |
| US6689181B2 (en) | 2000-11-15 | 2004-02-10 | Honeywell International Inc. | Ammonium sulfate nitrate |
| LT5121B (en) | 2000-11-15 | 2004-03-25 | Honeywell International Inc | Ammonium sulfate nitrate |
| WO2014033159A3 (en) * | 2012-08-29 | 2014-05-01 | Yara International Asa | Safe blends of ammonium nitrate (an) with urea, or of an an-comprising product with a urea-comprising product |
| US9284232B2 (en) | 2012-08-29 | 2016-03-15 | Yara International Asa | Safe blends of ammonium nitrate (AN) with urea, or of an AN-comprising product with a urea-comprising product |
| AU2013307320B2 (en) * | 2012-08-29 | 2016-04-21 | Yara International Asa | Safe blends of ammonium nitrate (AN) with urea, or of an AN-comprising product with a urea-comprising product |
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