إنتاج الأسمدة الفوسفاتية (سوبرفوسفات و DAP)

استنهاض فوسفور التربة لإنتاج المحاصيل العالمية

Agriculture & Fertilizers Global Industrial Scale $25 billion

نظرة عامة

Phosphate fertilizers are produced by treating phosphate rock (fluorapatite) with sulfuric acid to create single superphosphate (SSP), or with phosphoric acid to create triple superphosphate (TSP) and diammonium phosphate (DAP). Phosphorus is essential for plant energy transfer (ATP), root development, and seed formation. Global phosphate rock reserves are concentrated in Morocco (70%), and concerns about peak phosphorus supply have prompted efforts to improve phosphorus recycling from agricultural and wastewater sources.

العملية الكيميائية

For SSP: finely ground phosphate rock is mixed with 70% sulfuric acid in a continuous mixer (den process). The mixture sets and cures for 3-6 weeks. For DAP: phosphate rock is digested with sulfuric acid to produce phosphoric acid (wet process), which is then neutralized with ammonia. The slurry is granulated, dried, and screened.

Ca5(PO4)3F + 5H2SO4 + 10H2O -> 3H3PO4 + 5CaSO4.2H2O + HF (wet process for phosphoric acid)
H3PO4 + 2NH3 -> (NH4)2HPO4 (DAP production)

المواد الخام

  • Phosphate rock (Ca5(PO4)3F, fluorapatite) — Mining (Morocco, China, US, Russia) (Phosphorus source (30-37% P2O5))
  • Sulfuric acid (H2SO4) — Contact process from sulfur (Acid digestion agent)
  • Ammonia (NH3) — Haber-Bosch process (Nitrogen source for DAP/MAP)

المنتجات النهائية

  • Single superphosphate (SSP) — Direct-application phosphorus fertilizer (16-20% P2O5, also provides sulfur and calcium)
  • Diammonium phosphate (DAP, (NH4)2HPO4) — High-analysis NP fertilizer (18% N, 46% P2O5)
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Environmental Impact

Phosphate mining disturbs large land areas and generates phosphogypsum waste (5 tons per ton of P2O5), which contains naturally occurring radioactive materials (NORM). Phosphorus runoff from overfertilized fields causes eutrophication of lakes and rivers. Fluoride and cadmium impurities in phosphate rock require management.

اعتبارات السلامة

الابتكارات الحديثة

Slow-release phosphorus fertilizers reduce runoff losses.
Phosphorus recovery from wastewater (struvite crystallization) creates a circular economy.
Biochar and mycorrhizal inoculants improve plant phosphorus uptake efficiency, reducing fertilizer requirements.

حجم الإنتاج

50000000

طن/سنة

$25 billion

القيمة السوقية

المزيد في %(name)s Agriculture & Fertilizers

إنتاج مبيد الفطريات كبريتات النحاس (خليط بوردو)

Global Industrial Scale

الجير الزراعي لتعديل حموضة التربة

Global Industrial Scale

تخليق الأمونيا بعملية هابر-بوش

Global Industrial Scale

تخليق المبيدات الحشرية البيريثرويدية

Global Industrial Scale

تخليق اليوريا من الأمونيا وثاني أكسيد الكربون

Global Industrial Scale

تخليق مبيد الأعشاب غليفوسات

Global Industrial Scale

تعزيز التثبيت البيولوجي للنيتروجين (تطعيمات الريزوبيوم)

Global Industrial Scale

Frequently Asked Questions

What industry uses إنتاج الأسمدة الفوسفاتية (سوبرفوسفات و DAP)?
إنتاج الأسمدة الفوسفاتية (سوبرفوسفات و DAP) is used in the agriculture & fertilizers sector at global industrial scale scale.
What process is involved in إنتاج الأسمدة الفوسفاتية (سوبرفوسفات و DAP)?
For SSP: finely ground phosphate rock is mixed with 70% sulfuric acid in a continuous mixer (den process). The mixture sets and cures for 3-6 weeks. For DAP: phosphate rock is digested with sulfuric acid to produce phosphoric acid (wet process), which is then neutralized with ammonia. The slurry is
What is the economic significance of إنتاج الأسمدة الفوسفاتية (سوبرفوسفات و DAP)?
إنتاج الأسمدة الفوسفاتية (سوبرفوسفات و DAP) has a market value of $25 billion and annual production of 50,000,000 tons.
What is the environmental impact of إنتاج الأسمدة الفوسفاتية (سوبرفوسفات و DAP)?
Phosphate mining disturbs large land areas and generates phosphogypsum waste (5 tons per ton of P2O5), which contains naturally occurring radioactive materials (NORM). Phosphorus runoff from overfertilized fields causes eutrophication of lakes and rivers. Fluoride and cadmium impurities in phosphate
What raw materials are used in إنتاج الأسمدة الفوسفاتية (سوبرفوسفات و DAP)?
The main raw materials include: Phosphate rock (Ca5(PO4)3F, fluorapatite), Sulfuric acid (H2SO4), Ammonia (NH3).