Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of High cost of the high pressure vessel used for the reactor Higher pumping cost Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed High cost of the high pressure vessel used for the reactor Higher pumping cost Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is a catalyst promoter used in catalytic ammonia synthesis reaction? Cr₂O₃ Al₂O₃ MnO K₂O Cr₂O₃ Al₂O₃ MnO K₂O ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in Low bulk density product Biuret formation Non-spherical prills Substantially wet non-flowing and sticky product Low bulk density product Biuret formation Non-spherical prills Substantially wet non-flowing and sticky product ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Rock phosphate constitutes mainly of Di-calcium phosphate Fluorapatite Di-ammonium phosphate Mono-calcium phosphate Di-calcium phosphate Fluorapatite Di-ammonium phosphate Mono-calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process. Stengel Le-chatlier's Haber's Du-pont's Stengel Le-chatlier's Haber's Du-pont's ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₃P4O₆ Na₅P3O₁₀ Na₂PO₄ Na₄P3O₈ Na₃P4O₆ Na₅P3O₁₀ Na₂PO₄ Na₄P3O₈ ANSWER DOWNLOAD EXAMIANS APP