Chemical Engineering :: Fertiliser Technology
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Ammonium sulphate fertiliser is
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Lower temperature and large excess of ammonia in urea melt
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Superphosphate is manufactured by reacting phosphate rock with
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Vetrocoke solution is
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In calcium ammonium nitrate (CAN) fertil-ser
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P2O5 content in triple superphosphate is about __________ percent.
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H3PO4 is the chemical formula of __________ phosphoric acid.
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Heating of orthophosphoric acid to 250°C produces
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Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process.
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Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.
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