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1. The document discusses various chemical reactions and processes involved in the production of fertilizers and other chemicals. 2. Key reactions include the contact process for producing ammonia and the Haber process for producing nitric acid. Sulfuric acid is also discussed as a key input. 3. Methods of blending fertilizers are described including bulk blending, granulation, and using various additives to improve properties of the fertilizer.
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- 11. 2. N ,P, K 18: 18
- 13. 2NH g H SOaq NH4 2SO4 s
- 14. NH CO CaSO4 NH CO NH42SO4 CaSO4 s CaCO s
- 15.
- 16. 0C NH3 N g 3H g 2NH g
- 18. 2CH g 4H (g) O g 2CO g
- 19. CH H O g CO (g) + g H2 g CO H
- 20. CO g H HO g CO CO g H2CO3 CO H O H2CO3 g H2
- 21.
- 22.
- 23. S s 2SO g 54kJ SO g aq O g SO2 (g) 3O H SO g SO3 aq H2S2O7
- 24. H SO aq HOl H2S2O7 aq
- 25.
- 26. NH3 CO2 2NH3 (g) +CO2 (g) NH2 2CO (s) + H2O (l)
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- 31.
- 32. c 2(CaF2. 3Ca3(PO4)2) +5SiO2 + 6Na2CO3 → 12CaNaPO4 +
- 33. 1 3Ca3(PO4)2 / dm3 (CaF2. 4 -5 mol H3PO4 CaF2. 3Ca3(PO4)2 + 10H2SO4
- 34.
- 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 SiF4 HF H 2O
- 38. H2SiF6 MgO HF MgSiF6 HF + Sio2→ H2SiF6 + 2H2O H2SiF6 + MgO → MgSiF6 + HO
- 39. HF HF Na2CO3 → 2NaF+ H2O + CO2
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- 45. K2SO4∙2MgSO4) 50 KCl K2SO4 K2SO4∙2MgSO4 + 4KCl —>2MgCl + 3 K SO
- 46. KCl NaNO3 KNO3) KCl + NaNO3—> NaCl + KNO3
- 48. primary nutrient) MgSO 4.7H 2 O
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