Fertiliser Technology Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by Electrolysis of water Cryogenic separation of hydrogen from coke oven gas Steam reforming of naphtha and cracking of natural gas All of these Electrolysis of water Cryogenic separation of hydrogen from coke oven gas Steam reforming of naphtha and cracking of natural gas All of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process Is very costly Requires lower capital investment in the plant Produces lower purity acid Uses lower grade phosphate rock Is very costly Requires lower capital investment in the plant Produces lower purity acid Uses lower grade phosphate rock ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of phosphate rock with 98% H₂SO₄ produces Superphosphate White phosphorous None of these Orthophosphoric acid Superphosphate White phosphorous None of these Orthophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The composition of fresh feed to the high temperature, high pressure urea autoclave is Excess liquid ammonia and liquefied CO₂ Excess liquid ammonia and compressed CO₂ gas Compressed ammonia gas and excess compressed CO₂ Liquid ammonia and excess compressed CO₂ Excess liquid ammonia and liquefied CO₂ Excess liquid ammonia and compressed CO₂ gas Compressed ammonia gas and excess compressed CO₂ Liquid ammonia and excess compressed CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is represented as NH₂.CO.NH₂ NH₃CO.CH₃ NH₃.CO₂.NH₃ NH.CO₂.NH NH₂.CO.NH₂ NH₃CO.CH₃ NH₃.CO₂.NH₃ NH.CO₂.NH ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of Comparatively higher pressure drop Higher pumping cost High cost of the high pressure vessel used for the reactor Chances of entrainment and disturbance of catalyst bed Comparatively higher pressure drop Higher pumping cost High cost of the high pressure vessel used for the reactor Chances of entrainment and disturbance of catalyst bed ANSWER DOWNLOAD EXAMIANS APP
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