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Fertiliser Technology

Fertiliser Technology
(CH₃ C₆ H₄)₃ PO₄ is the chemical formula of

Tricresyl phosphate
Triple superphosphate
Flourapatite
Superphosphate

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Fertiliser Technology
In an ammonia plant, the purge off is essential to

Maintain H₂ : N₂ ratio at 3 :1
Maintain inert gas concentration within a limit
Remove uncondensed ammonia vapour
Remove excess poisonous gases

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Fertiliser Technology
Base suspension fertiliser essentially contains

43% N₂ and 13% P₂O₅
43% N₂ and 13% K₂O
13% N₂ and 43% P₂O₅
43% K₂O and 43% P₂O₅

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Fertiliser Technology
Tricresyl phosphate is chemically represented as

Ca₁₀(PO₄)3F₆
(CH₃ C₆ H₄)₃ PO₄
(NH₄)₂HPO₄
NH₄H₂PO₄

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Fertiliser Technology
Action of phosphoric acid on rock phosphate produces

Nitrophosphate
Superphosphate
Triple superphosphate
Diammonium phosphate

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Fertiliser Technology
Reaction of orthophosphoric acid with soda ash produces

Tributyl phosphate
Tricresyl phosphate
Nitrophosphate
Sodium tripolyphosphate (STPP)

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