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1. The document describes various chemical reactions involved in the production of ammonia, nitric acid, phosphoric acid, and other fertilizers. It outlines reaction equations and conditions. 2. Details are provided on production processes including the contact process for sulfuric acid and ammonia, as well as methods for making superphosphate from phosphate rock using sulfuric acid or phosphoric acid. 3. The document also covers reactions of hydrofluoric acid and how it is used to make hydrogen fluoride, as well as reactions of potassium compounds like potassium chloride and potassium sulfate. Blending and granulation steps in fertilizer production are briefly outlined.
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- 13. 2NH g H SOaq NH4 2SO4 s
- 14. NH CO NH CO NH4 2SO4 CaSO4 CaSO4 s CaCO s
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- 16. 0C NH3 N g 92 kJ 3H g 2NH g
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- 19. CH g H2 g HO g CO (g) + CO H
- 20. CO g H H O g CO CO g H2CO3 CO H O H2CO3 g H2
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- 23. S s 2SO g 54kJ SO g aq O g SO2 (g) 3O H SO g SO3 aq H2S2O7
- 24. H SO aq HO l H2S2O7 aq
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- 26. NH3 CO2 2NH3 (g) +CO2 (g) NH2 2CO (s) + H2O (l)
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- 32. c - 2(CaF2. 3Ca3(PO4)2) +5SiO2 + 6Na2CO3 → 12CaNaPO4 + 4Ca2SiO4 + SiF4 + 6CO2
- 33. 1 3Ca3(PO4)2 dm3 (CaF2. 4 - 5mol / H3PO4 CaF2. 3Ca3(PO4)2 + 10H2SO4 → 6H3PO4 + 10CaSO4 + 2HF
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- 35. CaF2. 3Ca3(PO4)2 +14H2PO4 → 10 Ca(H2PO4)2 + 2HF Ca(H2PO4)2
- 37. CaF2. 3Ca3(PO4)2 +7 H2SO4 + 3 H2O → 3Ca(H2PO4)2 + 2HF + 7CaSO4 Sio2 HF H 2O Sio2 SiF4 H2SiF6
- 38. H2SiF6 MgO HF MgSiF6 HF + Sio2→ H2SiF6 + 2H2O H2SiF6 + MgO → MgSiF6 + H O
- 39. HF HF Na2CO3 → 2NaF+ H2O + CO2 HF + CaCO3 → CaF2 + H2O + CO2
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- 44. K2SO4∙2MgSO4) 50 KCl K2SO4 K2SO4∙2MgSO4 + 4KCl—> 2MgCl2 + 3 K2SO4
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- 46. KCl NaNO3 KNO3) KCl + NaNO3—> NaCl + KNO3
- 48. primary nutrient) MgSO 4.7H 2 O triple supper phosphate (TSP)
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- 59. H S O,H O NH K O KCl KCl KCl + NaCl
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- 64. 5 3 1 5 3 2 53 10 5 3 17