GB337415A - Improvements in or relating to the manufacture or production of fertilizers - Google Patents
Improvements in or relating to the manufacture or production of fertilizersInfo
- Publication number
- GB337415A GB337415A GB23402/29A GB2340229A GB337415A GB 337415 A GB337415 A GB 337415A GB 23402/29 A GB23402/29 A GB 23402/29A GB 2340229 A GB2340229 A GB 2340229A GB 337415 A GB337415 A GB 337415A
- Authority
- GB
- United Kingdom
- Prior art keywords
- potassium
- bisulphate
- ammonia
- chloride
- ammonium sulphates
- 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
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/12—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using aqueous hydrochloric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
337,415. Holz. A., and Berdell, T. van D. July 30, 1929. Manures.-A mixed fertilizer free of chlorides is prepared by treating potassium chloride with sulphuric acid to produce potassium bisulphate and hydrogen chloride gas, expelling all the gas, preferably by maintaining the mixture at a temperature well below 200 C., and subjecting the bisulphate to the action of ammonia to convert the bisulphate into potassium and ammonium sulphates. The expelled hydrogen chloride is passed into an aqueous suspension of rock phosphate to form calcium chloride and free phosphoric acid, any insoluble solids are removed and sufficient calcium hydroxide added to precipitate. dicalcium phosphate. The dicalcium phosphate is separated and dried, preferably at not much above 100 C., and mixed with the potassium and ammonium sulphates in any desired proportions. An excess of sulphuric acid may be used to treat the potassium chloride so that the proportions of potassium and ammonium sulphates, formed on the subsequent treatment with ammonia, may be varied. The heat generated during the reaction between the potassium bisulphate and the ammonia, preferably gaseous, is sufficient to remove any water in the reaction mixture. Specification 300,402, [Class 1 (iii), Oxides &c., Metallic], is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23402/29A GB337415A (en) | 1929-07-30 | 1929-07-30 | Improvements in or relating to the manufacture or production of fertilizers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23402/29A GB337415A (en) | 1929-07-30 | 1929-07-30 | Improvements in or relating to the manufacture or production of fertilizers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB337415A true GB337415A (en) | 1930-10-30 |
Family
ID=10195030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23402/29A Expired GB337415A (en) | 1929-07-30 | 1929-07-30 | Improvements in or relating to the manufacture or production of fertilizers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB337415A (en) |
-
1929
- 1929-07-30 GB GB23402/29A patent/GB337415A/en not_active Expired
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