SU308992A1 - METHOD OF OBTAINING COMPLEX FERTILIZERS - Google Patents
METHOD OF OBTAINING COMPLEX FERTILIZERSInfo
- Publication number
- SU308992A1 SU308992A1 SU1331955A SU1331955A SU308992A1 SU 308992 A1 SU308992 A1 SU 308992A1 SU 1331955 A SU1331955 A SU 1331955A SU 1331955 A SU1331955 A SU 1331955A SU 308992 A1 SU308992 A1 SU 308992A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- complex fertilizers
- obtaining complex
- decomposition
- fertilizers
- followed
- Prior art date
Links
- 239000003337 fertilizer Substances 0.000 title description 6
- 238000000354 decomposition reaction Methods 0.000 description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N Ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L Calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 235000011167 hydrochloric acid Nutrition 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 235000011007 phosphoric acid Nutrition 0.000 description 2
- 150000003016 phosphoric acids Chemical class 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L Potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K [O-]P([O-])([O-])=O Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002378 acidificating Effects 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
Изобретение относитс к способам получени сложных удобрений, примен емых в сельском хоз йстве.The invention relates to methods for producing complex fertilizers used in agriculture.
Известен способ получени сложных удобрений путем разложени фосфатного сырь азотной кислотой с последующим осаждением ионов Са сульфатом аммони , отделением гипса и аммонизацией фильтрата газообразным аммиаком.A method of producing complex fertilizers is known by decomposing a phosphate raw material with nitric acid, followed by precipitation of ions with calcium sulfate, separation of gypsum and ammonization of the filtrate with gaseous ammonia.
Предложенный способ отличаетс от известного тем, что разложение ведут смесью сол ной и фосфорной кислот с последующей обработкой кислотной выт жки сульфатом аммони при температуре 30-70°С.The proposed method differs from the known one in that decomposition is carried out with a mixture of hydrochloric and phosphoric acids, followed by treatment of the acidic extract with ammonium sulfate at a temperature of 30-70 ° C.
Указанное отличие способствует резкому ускорению процесса разложени и получению сложного, высококонцентрпрованного удобрени типа сол нокислотной аммофоски.This difference contributes to a sharp acceleration of the decomposition process and the production of a complex, highly concentrated fertilizer such as hydrochloric acid ammonia.
Пример. 100 кг апатита обрабатывают смесью 240 кг 20%-ной НС1 и 100 кг ЗОо/о-ной (PzOs) НзРО4 в течение 1 час. ПолученныйExample. 100 kg of apatite are treated with a mixture of 240 kg of 20% HC1 and 100 kg of ZOO / o-th (PzOs) HzRO4 for 1 hour. Received by
раствор обрабатывают 328 кг 40%-ного раствора сульфата аммони . Образовавщийс остаток гипса отфильтровывают, а фильтрат поступает на аммопизацию, упарку и гранул пию известным способом. Перед гранул цией к концентрированному раствору добавл ют 60 кг хлористого кали дл получени марки 1:1:1 или 90 кг сульфата кали . Продукт содержит питательные вещества в следующем соотношении N: : К2О 14:14:14.the solution is treated with 328 kg of a 40% ammonium sulfate solution. The resulting gypsum residue is filtered off, and the filtrate is fed to ammopization, evaporation and granules in a known manner. Before granulation, 60 kg of potassium chloride are added to the concentrated solution to obtain 1: 1: 1 grade or 90 kg of potassium sulfate. The product contains nutrients in the following ratio N:: K2O 14:14:14.
Предмет изобретени Subject invention
Способ получени сложных удобрений путем кислотного разложени фосфатного сырь , отличающийс тем, что, с целью получени удобрени типа сол нокислотной аммофоски , разложение ведут смесью сол ной и фосфорной кислот с последующей обработкой кислотной выт жки сульфатом аммони при температуре 30-70°С.The method of obtaining complex fertilizers by acid decomposition of phosphate raw material, characterized in that, in order to obtain fertilizer such as hydrochloric acid ammonia, decomposition is carried out with a mixture of hydrochloric and phosphoric acids, followed by treatment of the acid extract with ammonium sulfate at a temperature of 30-70 ° C.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU308992A1 true SU308992A1 (en) |
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