Chemical Engineering :: Fertiliser Technology
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Pick out the wrong statement.
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Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.
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Temperature and pressure in urea autoclave is
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The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.
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Fauser Monte Catini converter is used for
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During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent.
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Which of the following is not a measure component necessarily to be present in fertilisers?
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Nitric acid is produced on commercial scale in a fertiliser plant by
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A.
Nitrogen is normally supplied in fertiliser either in ammoniacal or the nitrate form, from which the soil takes it up in the form of ammonium ions or nitrate ions and forms amino acids.
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B.
Calcium present in the fertiliser helps in correcting the soil acidity.
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C.
Particle size range of a good grannular fertiliser is 10-15 mesh and it contains less moisture as compared to finely divided powder form of fertiliser.
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D.
Ammonium nitrate fertiliser is obtained as a by-product in an integrated steel plant having by-product coke ovens.
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