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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 4
16.
Monte catini process is a widely used process for the manufacture of
urea
calcium ammonium nitrate
triple superposphate
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Reaction of __________ acid with phosphate rock produces superphosphates.
hydrochloric
sulphuric
nitric
phosphoric
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Reaction of nitric acid and sulphuric acid with phosphate rock produces
nitrophosphate
diammonium phosphate
tricresyl phosphate
tributyl phosphate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
In the manufacture of orthophosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable
CaSO4 .H2O and CaSO4 crystals
pyrophosphoric acid
metaphosphoric acid
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by
adsorption on palladium.
cryogenic operations (low temperature cooling).
absorption (using ethanolamine or pyragalloll solution).
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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