Fertiliser Technology
Which of the following gasifiers can be attached to coal based fertiliser plants?

Gasifier working at 40 atm
Kopper-Totzek gasifier
Lurgi (high pressure) gasifier
Gasifier working at 20 atm

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Fertiliser Technology
The composition of fresh feed to the high temperature, high pressure urea autoclave is

Liquid ammonia and excess compressed CO₂
Compressed ammonia gas and excess compressed CO₂
Excess liquid ammonia and compressed CO₂ gas
Excess liquid ammonia and liquefied CO₂

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