AT62216B - Process for the simultaneous production of ammonium phosphate and ammonium nitrate. - Google Patents
Process for the simultaneous production of ammonium phosphate and ammonium nitrate.Info
- Publication number
- AT62216B AT62216B AT62216DA AT62216B AT 62216 B AT62216 B AT 62216B AT 62216D A AT62216D A AT 62216DA AT 62216 B AT62216 B AT 62216B
- Authority
- AT
- Austria
- Prior art keywords
- ammonium
- simultaneous production
- phosphate
- ammonium nitrate
- ammonium phosphate
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 7
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 title claims description 6
- 239000004254 Ammonium phosphate Substances 0.000 title claims description 6
- 229910000148 ammonium phosphate Inorganic materials 0.000 title claims description 6
- 235000019289 ammonium phosphates Nutrition 0.000 title claims description 6
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 239000001506 calcium phosphate Substances 0.000 claims description 3
- 235000011010 calcium phosphates Nutrition 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 239000010440 gypsum Substances 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 239000003929 acidic solution Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 229910000394 calcium triphosphate Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910000150 monocalcium phosphate Inorganic materials 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- RFWLACFDYFIVMC-UHFFFAOYSA-D pentacalcium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O RFWLACFDYFIVMC-UHFFFAOYSA-D 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Description
<Desc/Clms Page number 1>
Verfahren zur gleichzeitigen Herstellung von Ammoniumphosphat und Ammoniumnitrat.
Bei der Herstellung von Ammoniumphosphat nach den jetzt gebräuchlichen Methoden machen sich mehrere Übelstände sehr geltend. Behandelt man z. B. Monokalziumphosphat mit Ammoniumsulfat, so ergibt sich der grosse Nachteil, dass die saure Lösung unverhäitnis- mässig viel Gips enthält, welcher die Gewinnung eines reinen Produktes erschwert und die Bildung von Kesselstein in den Eindampfapparaten verursacht.
Es wurde nun gefunden, dass, wenn man die Herstellung von Ammoniumphosphat mit der Herstellung von Ammoniumnitrat in der nachstehend beschriebenen Weise kombiniert, wesentliche Vorteile gegenüber den bekannten Methoden erreicht werden.
So geht unter anderem die Löslichkeit des Gipses in wesentlichem Masse zurück, man erreicht somit den grossen Vorteil, dass sich praktisch kein Gips (Kesselstein) in den Mindampfapparaten absetzt und infolgedessen erhält man auch ein reineres Produkt.
Das Verfahren kann beispielsweise folgendermassen ausgeführt werden :
Ein in Wasser unlösliches Kalziumphosphat wird in verdünnter Salpetersäure gelöst, diese saure Lösung wird mit Ammoniumsulfat in derartiger Menge versetzt, dass der Kalk als Gips gefällt wird. Dies erfolgt, wenn man Kalziumtriphosphat benutzt, nach folgenden Gleichungen :
EMI1.1
Die Lösung, welche hauptsächlich nur Ammotiump ! ! osphat und Ammomumnitrat enthält, wird von dem Bodensatz getrennt, die saure Lösung wird mit Ammoniak oder Ammoniumkarbonat neutralisiert und darauf bis zur Kristallisation eingedampft Durch fraktionierte Kustallisation können die Salze getrennt werden.
Es ist leicht ersichtlich, welche grosse wirtschaftliche und praktische Vorteile man durch die Kombination dieser Methoden erreicht ; man erreicht hiedurch sozusagen umsonst die Überführung einer der verwendeten Salpetersäure äquivalenten Menge Phosphorsäure in wasserlösliche Form.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Process for the simultaneous production of ammonium phosphate and ammonium nitrate.
In the production of ammonium phosphate by the methods now in use, several evils are very important. If you treat z. B. Monocalcium phosphate with ammonium sulfate, there is the great disadvantage that the acidic solution contains a disproportionate amount of gypsum, which makes it difficult to obtain a pure product and causes the formation of scale in the evaporator.
It has now been found that if the production of ammonium phosphate is combined with the production of ammonium nitrate in the manner described below, significant advantages over the known methods are achieved.
Among other things, the solubility of the gypsum is reduced to a considerable extent, the great advantage being achieved that practically no gypsum (scale) settles in the Mind steamers and, as a result, a purer product is obtained.
The method can be carried out as follows, for example:
Calcium phosphate which is insoluble in water is dissolved in dilute nitric acid, and ammonium sulfate is added to this acidic solution in such an amount that the lime is precipitated as gypsum. If you use calcium triphosphate, this is done according to the following equations:
EMI1.1
The solution, which mainly only Ammotiump! ! contains osphat and ammonium nitrate, is separated from the sediment, the acidic solution is neutralized with ammonia or ammonium carbonate and then evaporated until crystallization. The salts can be separated by fractional precipitation.
It is easy to see the great economic and practical advantages obtained by combining these methods; in this way, an amount of phosphoric acid equivalent to the nitric acid used is converted into water-soluble form, so to speak, for free.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO62216X | 1911-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT62216B true AT62216B (en) | 1913-11-25 |
Family
ID=19881020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT62216D AT62216B (en) | 1911-11-18 | 1912-11-12 | Process for the simultaneous production of ammonium phosphate and ammonium nitrate. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT62216B (en) |
-
1912
- 1912-11-12 AT AT62216D patent/AT62216B/en active
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