GB1341567A - - Google Patents
Info
- Publication number
- GB1341567A GB1341567A GB35271A GB35271A GB1341567A GB 1341567 A GB1341567 A GB 1341567A GB 35271 A GB35271 A GB 35271A GB 35271 A GB35271 A GB 35271A GB 1341567 A GB1341567 A GB 1341567A
- Authority
- GB
- United Kingdom
- Prior art keywords
- calcium nitrate
- phosphonitrate
- solution
- crystallization stage
- calcium
- 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
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 abstract 12
- 238000002425 crystallisation Methods 0.000 abstract 5
- 230000008025 crystallization Effects 0.000 abstract 5
- 239000013078 crystal Substances 0.000 abstract 4
- CBMSICGVCDVFQL-UHFFFAOYSA-N phosphonitrate Chemical compound [O-][N+](=O)OP(=O)=O CBMSICGVCDVFQL-UHFFFAOYSA-N 0.000 abstract 4
- 238000001816 cooling Methods 0.000 abstract 3
- 239000000725 suspension Substances 0.000 abstract 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 2
- 229910052791 calcium Inorganic materials 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 2
- 238000007865 diluting Methods 0.000 abstract 2
- 229910017604 nitric acid Inorganic materials 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 1
- 239000002367 phosphate rock Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
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
- C05B11/06—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 nitric acid (nitrophosphates)
-
- 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/36—Nitrates
- C01F11/44—Concentrating; Crystallisating; Dehydrating; Preventing the absorption of moisture or caking
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO6205970 | 1970-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1341567A true GB1341567A (https=) | 1973-12-25 |
Family
ID=20087440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35271A Expired GB1341567A (https=) | 1970-01-07 | 1971-01-04 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2100553A1 (https=) |
| FR (1) | FR2075960B1 (https=) |
| GB (1) | GB1341567A (https=) |
| NO (1) | NO131721C (https=) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2252280A (en) * | 1937-06-26 | 1941-08-12 | Walter H Duisberg | Decomposition of water-insoluble phosphates |
| DE875951C (de) * | 1941-09-25 | 1953-05-07 | Der Niederlaendische Staat | Verfahren zur Herstellung und getrennten Gewinnung von Mono- bzw. Dicalciumphosphat und Calciumnitrat aus Rohphosphat und Salpetersaeure |
-
1971
- 1971-01-04 GB GB35271A patent/GB1341567A/en not_active Expired
- 1971-01-06 FR FR7100173A patent/FR2075960B1/fr not_active Expired
- 1971-01-07 DE DE19712100553 patent/DE2100553A1/de active Pending
- 1971-01-07 NO NO4471A patent/NO131721C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2075960B1 (https=) | 1973-12-28 |
| NO131721C (https=) | 1975-07-16 |
| FR2075960A1 (https=) | 1971-10-15 |
| NO131721B (https=) | 1975-04-07 |
| DE2100553A1 (de) | 1971-09-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |