PL40156B1 - - Google Patents
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- Publication number
- PL40156B1 PL40156B1 PL40156A PL4015656A PL40156B1 PL 40156 B1 PL40156 B1 PL 40156B1 PL 40156 A PL40156 A PL 40156A PL 4015656 A PL4015656 A PL 4015656A PL 40156 B1 PL40156 B1 PL 40156B1
- Authority
- PL
- Poland
- Prior art keywords
- gypsum
- mixed
- ammonium
- sulphate
- nitrate
- Prior art date
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- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000010440 gypsum Substances 0.000 claims description 7
- 229910052602 gypsum Inorganic materials 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003337 fertilizer Substances 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 235000011132 calcium sulphate Nutrition 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 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 4
- 239000001175 calcium sulphate Substances 0.000 claims description 4
- 229910002651 NO3 Inorganic materials 0.000 claims description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-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
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 239000001099 ammonium carbonate Substances 0.000 claims description 2
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 2
- 229910052925 anhydrite Inorganic materials 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 239000001166 ammonium sulphate Substances 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 150000003863 ammonium salts Chemical class 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 239000010802 sludge Substances 0.000 claims 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Description
Opublikowani) dnia 30 pazdziernika 1957 r. tow% BIBLIOTEKA 00 Urzedu Patentowego POLSKIEJ RZECZYPOSPOLITEJ LUDOWEJ OPIS PATENTOWY Nr 40156 KL 16, 6- Stefan Pawlikowski Gliwice, Polska Sposób wptwarzania azotowego nawozu mieszanego Patent trwa od dnia 17 grudnia 1956 r.Znany jest sposób otrzymywania nawozu azo¬ towego przez zmieszanie w odpowiednim sto¬ sunku siarczanu anionowego z azotanem amono¬ wym i wytwarzanie w ten sposób malo higrosko- pijnego nawozu saletrzano-amonowego. Siarczan amonowy uzyty do tego celu otrzymuje sie badz to droga zobojetniania kwasu siarkowego amoniakiem badz tez przez dzialanie amonia¬ kiem i dwutlenkiem wegla na wodna zawiesine siarczanu wapniowego (gipsu). Azotan amonowy natomiast uzyskiwany bywa zazwyczaj droga reakcji kwasu azotowego z amoniakiem.Sposób wedlug wynalazku polega na wykorzy¬ staniu aktywnosci chemicznej kwasu azotowego w podwyzszonej temperaturze i pod zwiekszo¬ nym cisnieniem dla rozpuszczenia siarczanu wapniowego i nastepnym zadawaniu powstalego roztworu, zawierajacego nadmiar kwasu azoto¬ wego, wolny kwas siarkowy oraz azotan wapnio¬ wy, weglanem amonowym lub amoniakiem i dwutlenkiem wegla. Jako surowca do wytwarza. nia nawozu mozna uzyc anhydrytu, gipsu rodzimego, gipsu palonego lub odpadkowego siarczanu wapnia np. z (produkcji kwasu fosforo¬ wego.Wytracony w czasie reakcji weglan wapniowy odsacza sie wraz z nieprzereagowanym zlozem gipsowym, a klarowny roztwór poddaje odparo¬ waniu i nastepnie granulacji, ewentualnie innej przeróbce, w celu otrzymania gotowego pro¬ duktu handlowego. Tak wytworzony nawóz od¬ znacza sie mala higroskopijnoscia oraz zmniej¬ szona w porównaniu z czystym azotanem amo¬ nowym sklonnoscia do wybuchania.Nierozpuszczona pozostalosc wraz z wytra¬ conym weglanem wapniowym suszy sie i sto¬ suje jako wapno nawozowe lub miesza z pod- geszczonyni roztworem azotanu i siarczanu amo¬ nowego, a nastepnie granuluje dowolna metoda. PLPublished on October 30, 1957 to% LIBRARY 00 of the Patent Office of the People's Republic of Poland PATENT DESCRIPTION No. 40156 KL 16, 6- Stefan Pawlikowski Gliwice, Poland Process of nitrogen mixed fertilizer preparation The patent lasts from December 17, 1956 The method of obtaining the fertilizer is known by mixing anionic sulphate with ammonium nitrate in a suitable ratio, thereby producing a slightly hygroscopic ammonium nitrate fertilizer. The ammonium sulfate used for this purpose is obtained either by neutralizing the sulfuric acid with ammonia or by treating with ammonia and carbon dioxide on an aqueous suspension of calcium sulfate (gypsum). Ammonium nitrate, on the other hand, is usually obtained by reacting nitric acid with ammonia. The method according to the invention consists in using the chemical activity of nitric acid at elevated temperature and under increased pressure to dissolve the calcium sulphate and then treat the resulting solution containing excess nitric acid. , free sulfuric acid and calcium nitrate, ammonium carbonate or ammonia and carbon dioxide. As a raw material it produces. In the process of fertilization, one can use anhydrite, native gypsum, burnt gypsum or waste calcium sulphate, e.g. from the production of phosphoric acid. The calcium carbonate lost during the reaction is filtered off with the unreacted gypsum bed, and the clear solution is subjected to evaporation and then granulation, possibly another treatment, in order to obtain a finished commercial product. The fertilizer thus produced is characterized by a low hygroscopicity and a reduced tendency to explode compared to pure ammonium nitrate. The undissolved residue, together with the decomposed calcium carbonate, is dried and it is used as fertilizing lime or mixed with nitrate and ammonium sulphate solution impregnated, and then granulated by any method.
Claims (2)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL40156B1 true PL40156B1 (en) | 1957-06-15 |
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