GB800417A - Process for producing fertilizers - Google Patents
Process for producing fertilizersInfo
- Publication number
- GB800417A GB800417A GB8286/56A GB828656A GB800417A GB 800417 A GB800417 A GB 800417A GB 8286/56 A GB8286/56 A GB 8286/56A GB 828656 A GB828656 A GB 828656A GB 800417 A GB800417 A GB 800417A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phosphate
- metaphosphate
- product
- calcium
- water
- 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
- 239000003337 fertilizer Substances 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- 125000005341 metaphosphate group Chemical group 0.000 abstract 3
- 239000002367 phosphate rock Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 229910019142 PO4 Inorganic materials 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 abstract 2
- 239000010452 phosphate Substances 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 235000019739 Dicalciumphosphate Nutrition 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 235000019738 Limestone Nutrition 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-O azanium;hydron;hydroxide Chemical compound [NH4+].O VHUUQVKOLVNVRT-UHFFFAOYSA-O 0.000 abstract 1
- 150000007514 bases Chemical class 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- ROPDWRCJTIRLTR-UHFFFAOYSA-L calcium metaphosphate Chemical compound [Ca+2].[O-]P(=O)=O.[O-]P(=O)=O ROPDWRCJTIRLTR-UHFFFAOYSA-L 0.000 abstract 1
- 239000001506 calcium phosphate Substances 0.000 abstract 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 abstract 1
- 229940038472 dicalcium phosphate Drugs 0.000 abstract 1
- 239000010459 dolomite Substances 0.000 abstract 1
- 229910000514 dolomite Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/06—Alkali and alkaline earth meta- or polyphosphate fertilisers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
Phosphate fertilizers are produced by heating under pressure metaphosphate of calcium, potassium or sodium with water in the presence of a basic compound reacting with the acid products of the hydrolysis, e.g. phosphate rock, dolomite, limestone or ammonia. It is stated that the meta phosphate is converted to primary o-phosphate, which is then converted to dicalcium phosphate and phosphoric acid which reacts with phosphate rock. The product is then substantially di-calcium phosphate. In examples, calcium metaphosphate is mixed with an equimolecular amount of ammonium hydrate or phosphate rock ground to 200 mesh, and water added in proportions, water: metaphosphate not exceeding 0.8 by weight. The mixture is heated to 260 DEG F. in an autoclave under 20 lb. pressure, for 10/30 minutes. The product is dry and contains about 48/50 per cent of available P2O5. Pressures up to 136 lb. and temperatures up to 350 DEG F. may be employed. A rotary autoclave may be used with steam containing ammonia injected under pressure. The product is then in granular form.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US800417XA | 1955-03-29 | 1955-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB800417A true GB800417A (en) | 1958-08-27 |
Family
ID=22154883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8286/56A Expired GB800417A (en) | 1955-03-29 | 1956-03-16 | Process for producing fertilizers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB800417A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012020428A1 (en) * | 2010-08-10 | 2012-02-16 | Chandrika Varadachari | Phosphate fertilizers and methods of using the same |
| US8999031B2 (en) | 2010-08-10 | 2015-04-07 | Agtec Innovations, Inc. | Polyphosphate fertilizer combinations |
| US9181137B2 (en) | 2009-03-20 | 2015-11-10 | Agtec Innovations, Inc. | Micronutrient fertilizers and methods of making and using the same |
-
1956
- 1956-03-16 GB GB8286/56A patent/GB800417A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9181137B2 (en) | 2009-03-20 | 2015-11-10 | Agtec Innovations, Inc. | Micronutrient fertilizers and methods of making and using the same |
| US10239797B2 (en) | 2009-03-20 | 2019-03-26 | Agtec Innovations, Inc. | Micronutrient fertilizers and methods of making and using the same |
| WO2012020428A1 (en) * | 2010-08-10 | 2012-02-16 | Chandrika Varadachari | Phosphate fertilizers and methods of using the same |
| US8999031B2 (en) | 2010-08-10 | 2015-04-07 | Agtec Innovations, Inc. | Polyphosphate fertilizer combinations |
| US9017443B2 (en) | 2010-08-10 | 2015-04-28 | Agtec Innovations, Inc. | Phosphate fertilizers and methods of using the same |
| US9764993B2 (en) | 2010-08-10 | 2017-09-19 | Agtec Innovations, Inc. | Phosphate fertilizers and methods of making and using the same |
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