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Carbon particles accummulated on the catalyst used in the ga
Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison
For the hydrogenation of oils __________
(A) __________ is c
For the hydrogenation of oils __________
(A) __________ is commonly used as catalyst and __________
(B) __________ is a catalyst poison
The overall rates of an isothermal catalytic reaction using
The overall rates of an isothermal catalytic reaction using spherical catalyst particles of diameters 1 mm and 2 mm are rA1 and rA2 (in mol (kg-catalyst)-1 h-1),respectively.
The other physical properties of the catalyst particles areidentical.
If pore diffusion resistance is very high, the ratio rA2/rA1 is __________
Catalytic cracking compared to thermal cracking of residue o
Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil
The reaction A(liq) + B(gas) ---> C(liq) + D(gas), is carrie
The reaction A(liq) + B(gas) ---> C(liq) + D(gas), is carried out in a reactor followed by a separator as shown below Notation: Molar flow rate of fresh B is FFB Molar flow rate of A is FA Molar flow rate of recycle gas is FRG Mole fraction of B in recycle gas is YRB Molar flow rate of purge gas is FPG Molar flow rate of C is FC Here, FFB = 2 mol/s; FA = 1 mol/s, FB/FA = 5 and A is completelyconverted.
I f the ratio of recycle gas to purge gas (FRG/FPG) is 4 then YRB is
The reaction A(liq) + B(gas) ---> C(liq) + D(gas), is carrie
The reaction A(liq) + B(gas) ---> C(liq) + D(gas), is carried out in a reactor followed by a separator as shown below Notation: Molar flow rate of fresh B is FFB Molar flow rate of A is FA Molar flow rate of recycle gas is FRG Mole fraction of B in recycle gas is YRB Molar flow rate of purge gas is FPG Molar flow rate of C is FC Here, FFB = 2 mol/s; FA = 1 mol/s, FB/FA = 5 and A is completely converted If YRB = 0.3, the ratio of recycle gas to purge gas (FRG/FPG) is
Use of catalyst is a must in the ammonia manufacture, becaus
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 ishigh.
The presence of promoter along with the catalyst helps in __________ of the catalyst
In catalytic cracking process, olefins crack __________ time
In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process
Natural gas recovered along with crude oil from oil wells is
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas
In a refinery petroleum crude is fractionated into gas fract
In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and byproducts.
The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction

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