Studies on obtaining azosuperphosphate by treating high-carbonate, low-grade central kyzylkum phosphorites with various dosages of ammonium sulfate and sulfuric acid

Saidov , Hakimboy

Муҳандислик ва Иқтисодиёт · 2026-yil

Annotatsiya

This study investigates the production of azosuperphosphate fertilizer by treating high-carbonate, lowgradeCentral Kyzylkum phosphorites with ammonium sulfate dissolved in sulfuric acid at various stoichiometric ratios.The phosphorite raw material contains 16.2% P₂O₅, 46.2% CaO, and 17.7% CO₂. Experiments were conducted underlaboratory conditions at room temperature using four solution compositions containing 5–20 g of ammonium sulfate per100 g of 93% H₂SO₄ at stoichiometric rates of 60–100%. Results showed that increasing ammonium sulfate content to 20%and applying acid at a 100% stoichiometric rate increased plant-assimilable P₂O₅ by 4.90–5.51 times compared with theinitial raw material. Granulometric analysis confirmed the formation of granules predominantly in the 1–5 mm range withmechanical strength of at least 1.2 MPa. The findings provide a scientific basis for producing efficient azosuperphosphatefertilizer from domestic phosphorite resources.

Maqola ma’lumotlari
MualliflarSaidov , Hakimboy
JurnalМуҳандислик ва Иқтисодиёт
NashriyotПлеханов номидаги Россия иқтисодиёти университетининг Тошкент шаҳридаги филиали
ISSN3060-463X, 3060-463X
Nashr sanasi2026-04-01
Jild4
Son4
TilIngliz
Indeksga qo‘shilgan2026-08-26

Maqolaning asl sahifasi

Kalit so‘zlar

azosuperphosphate, low-grade phosphorite, Kyzylkum, ammonium sulfate, sulfuric acid, phosphate decomposition, mineral fertilizer, granulation, P₂O₅ assimilability

Iqtibos keltirish

APASaidov , Hakimboy (2026). STUDIES ON OBTAINING AZOSUPERPHOSPHATE BY TREATING HIGH-CARBONATE, LOW-GRADE CENTRAL KYZYLKUM PHOSPHORITES WITH VARIOUS DOSAGES OF AMMONIUM SULFATE AND SULFURIC ACID. Муҳандислик ва Иқтисодиёт, 4(4). https://muhandislik-iqtisodiyot.uz/index.php/journal/article/view/2720
GOST (OAK)Saidov , Hakimboy STUDIES ON OBTAINING AZOSUPERPHOSPHATE BY TREATING HIGH-CARBONATE, LOW-GRADE CENTRAL KYZYLKUM PHOSPHORITES WITH VARIOUS DOSAGES OF AMMONIUM SULFATE AND SULFURIC ACID // Муҳандислик ва Иқтисодиёт. – 2026. – T. 4, № 4.
MLASaidov , Hakimboy. “STUDIES ON OBTAINING AZOSUPERPHOSPHATE BY TREATING HIGH-CARBONATE, LOW-GRADE CENTRAL KYZYLKUM PHOSPHORITES WITH VARIOUS DOSAGES OF AMMONIUM SULFATE AND SULFURIC ACID.” Муҳандислик ва Иқтисодиёт, 4(4), 2026. https://muhandislik-iqtisodiyot.uz/index.php/journal/article/view/2720
ChicagoSaidov , Hakimboy. “STUDIES ON OBTAINING AZOSUPERPHOSPHATE BY TREATING HIGH-CARBONATE, LOW-GRADE CENTRAL KYZYLKUM PHOSPHORITES WITH VARIOUS DOSAGES OF AMMONIUM SULFATE AND SULFURIC ACID.” Муҳандислик ва Иқтисодиёт, 4(4) (2026). https://muhandislik-iqtisodiyot.uz/index.php/journal/article/view/2720
HarvardSaidov , Hakimboy (2026) ‘STUDIES ON OBTAINING AZOSUPERPHOSPHATE BY TREATING HIGH-CARBONATE, LOW-GRADE CENTRAL KYZYLKUM PHOSPHORITES WITH VARIOUS DOSAGES OF AMMONIUM SULFATE AND SULFURIC ACID’, Муҳандислик ва Иқтисодиёт, 4(4). https://muhandislik-iqtisodiyot.uz/index.php/journal/article/view/2720
BibTeX
@article{saidovhakimboy2026,
  title = {STUDIES ON OBTAINING AZOSUPERPHOSPHATE BY TREATING HIGH-CARBONATE, LOW-GRADE CENTRAL KYZYLKUM PHOSPHORITES WITH VARIOUS DOSAGES OF AMMONIUM SULFATE AND SULFURIC ACID},
  author = {Saidov , Hakimboy},
  journal = {Муҳандислик ва Иқтисодиёт},
  year = {2026},
  volume = {4},
  number = {4},
  url = {https://muhandislik-iqtisodiyot.uz/index.php/journal/article/view/2720}
}

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