PL11350B1 - A method for producing a mixture of calcium nitrate and ammonium nitrate. - Google Patents
A method for producing a mixture of calcium nitrate and ammonium nitrate. Download PDFInfo
- Publication number
- PL11350B1 PL11350B1 PL11350A PL1135028A PL11350B1 PL 11350 B1 PL11350 B1 PL 11350B1 PL 11350 A PL11350 A PL 11350A PL 1135028 A PL1135028 A PL 1135028A PL 11350 B1 PL11350 B1 PL 11350B1
- Authority
- PL
- Poland
- Prior art keywords
- nitrate
- calcium
- mixture
- producing
- ammonium nitrate
- Prior art date
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- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 title claims description 12
- 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 4
- 239000000203 mixture Substances 0.000 title claims 2
- 238000004519 manufacturing process Methods 0.000 title description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 235000011132 calcium sulphate Nutrition 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Description
Przy wytwarzaniu nawozów z azotanu wapnia proponowano ten ostatni mieszac z mala iloscia azotanu amonu, dzieki czemu otrzymuje sie pewne korzysci, miedzy in- nemi i te, ze mieszanka soli zawiera wiek¬ sza zawartosc azotanu niz azotan wapnia, Azotan wapnia mozna wytwarzac przez rozpuszczenie w kwasie azotowym wegla¬ nu wapnia. W mysl wynalazku stosuje sie w tym celu weglan wapnia, który otrzymu¬ je sie jako produkt uboczny przy przetwa¬ rzaniu na siarczan amonu i weglan wapnia siarczanu wapnia zapomoca amonjaku i kwasu weglowego. Wymagana ilosc siar¬ czanu amonowego pozostawia sie przy wy¬ twarzaniu w powyzszym weglanie wapnia, pbczem mieszanine traktuje sie kwasem a- zotowym. Obecny siarczan amonu, z odpo¬ wiednia iloscia kwasu azotowego i weglanu wapnia, przetwarza sie przytem podlug na¬ stepujacego wzoru: Am2S04+2 HN03+CaC0^2 AmNOs+ + CaSO± + C02 + H20.Dzieki powyzszemu procesowi ma sie ten zysk, ze sie unika gruntownego plóka- nia weglanu wapnia w celu otrzymania przywierajacego do niego roztworu siarcza¬ nu amonowego; upraszcza sie wiec zarów¬ no aparature jak i sposób.Wytworzony rozczyn mozna, zaleznie od okolicznosci, oddzielic od straconego przy reakcji siarczanu wapnia i innych pro-duktów nierozpuszczalnych i wyparowac stala w nim iloscia rozczynu siarczanu a- do sucha albo wspólnie z powyzszemi pro¬ duktami. PLIn the manufacture of fertilizers from calcium nitrate, it has been proposed to mix the latter with a small amount of ammonium nitrate, thanks to which certain advantages are obtained, among others, that the salt mixture contains a greater content of nitrate than calcium nitrate. Calcium nitrate can be prepared by dissolving in nitric acid, calcium carbonate. In the context of the invention, calcium carbonate is used for this purpose, which is obtained as a by-product in the processing of ammonium sulfate and calcium carbonate, calcium sulfate by means of ammonia and carbonic acid. The required amount of ammonium sulfate is left in the above calcium carbonate in the preparation of the above calcium carbonate, and the pore is treated with nitric acid. The ammonium sulfate present, with the appropriate amount of nitric acid and calcium carbonate, is then processed according to the following formula: Am2SO4 + 2 HNO3 + CaCO2 ^ 2 AmNOs + + CaSO + CO2 + H2O. Thanks to the above process, Thorough disintegration of the calcium carbonate is avoided in order to obtain an ammonium sulphate solution adhering to it; Thus, both the apparatus and the method are simplified. The resulting solution can, depending on the circumstances, be separated from the calcium sulphate lost in the reaction and other insoluble products, and the constant amount of sulphate solvent therein can be evaporated to dryness or together with the above-mentioned process. tracks. PL
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL11350B1 true PL11350B1 (en) | 1929-12-31 |
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