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Fertiliser Technology

Fertiliser Technology
Monte catini process is used for the manufacture of

Phosphoric acid
Calcium ammonium nitrate (CAN)
Urea
Nitric acid

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Fertiliser Technology
Phosphorus vapour comprises of

P₃
P₂
P₄
P

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Fertiliser Technology
Chemical formula of biuret is

NH₂.CO.NH₂
NH₂CONHCONH₂
NH₄COONH₂
NH₃.COO.NH₃

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Fertiliser Technology
__________ is not a fertiliser.

Liquid ammonia
Calcium ammonium nitrate
Ammonium sulphate
Ferrous sulphate

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Fertiliser Technology
Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in

Substantially wet non-flowing and sticky product
Low bulk density product
Biuret formation
Non-spherical prills

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Fertiliser Technology
C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about

13
6
20
2

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