GB645468A - Improvements in or relating to the manufacture of mixed phosphatic fertilisers - Google Patents
Improvements in or relating to the manufacture of mixed phosphatic fertilisersInfo
- Publication number
- GB645468A GB645468A GB20602/48A GB2060248A GB645468A GB 645468 A GB645468 A GB 645468A GB 20602/48 A GB20602/48 A GB 20602/48A GB 2060248 A GB2060248 A GB 2060248A GB 645468 A GB645468 A GB 645468A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ammonium
- so3nh4
- phosphate
- imidosulphonate
- relating
- 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
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
In making phosphatic fertilizers, natural phosphates, e.g Morocco phosphate, apatite and phosphate chalk, are treated in the presence of water with technical ammonium imidosulphonate, NH(SO3NH4)2, which contains ammonium nitrilosulphonate, N(SO3NH4)3, and ammonium amidosulphonate, NH2SO3.NH4. The imidosulphonate is preferably used in excess of that stoichiometrically required. The reaction may be effected in the presence of an inorganic acid, such as H2SO4, HNO3 or HCl, in amount, e.g., equivalent molecularly to the calcium phosphate. Potassium compounds, e.g. potassium sulphate and Kainite, may be added.ALSO:Phosphatic fertilizers are made by treating natural phosphates, e.g. Morocco phosphate, apatite and phosphate chalk, in the presence of water with technical ammonium imidosulphonate, NH(SO3NH4)2, which contains ammonium nitrilosulphonate, N(SO3NH4)3, and ammonium amidosulphonate, NH2.SO3NH4. The imidosulphonate is preferably used in excess of that stoichiometrically required. The reaction may be effected in the presence of an inorganic acid, such as H2SO4, HNO3 or HCl, in amount, e.g. equivalent molecularly to the calcium phosphate. Potassium compounds, e.g. potassium sulphate and kainite, may be added.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS645468X | 1947-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB645468A true GB645468A (en) | 1950-11-01 |
Family
ID=5454264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20602/48A Expired GB645468A (en) | 1947-08-05 | 1948-08-04 | Improvements in or relating to the manufacture of mixed phosphatic fertilisers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB645468A (en) |
-
1948
- 1948-08-04 GB GB20602/48A patent/GB645468A/en not_active Expired
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