Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor Higher pumping cost Chances of entrainment and disturbance of catalyst bed Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor Higher pumping cost Chances of entrainment and disturbance of catalyst bed ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology 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 .½H₂O and CaSO₄ crystals Metaphosphoric acid All of these Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid All of these Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following gasifiers can be attached to coal based fertiliser plants? Gasifier working at 20 atm Gasifier working at 40 atm Lurgi (high pressure) gasifier Kopper-Totzek gasifier Gasifier working at 20 atm Gasifier working at 40 atm Lurgi (high pressure) gasifier Kopper-Totzek gasifier ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In natural gas, the C/H ratio (by weight) varies in the range of 15-17 20-25 43894 44053 15-17 20-25 43894 44053 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Maximum stability of white phosphorous is at >600°C Room temperature Very high pressure Atmospheric pressure >600°C Room temperature Very high pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Rock phosphate constitutes mainly of Di-calcium phosphate Fluorapatite Mono-calcium phosphate Di-ammonium phosphate Di-calcium phosphate Fluorapatite Mono-calcium phosphate Di-ammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
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