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State the reasons for the existence of Non-Ideal flow in a process vessel with diagram
State the application of Dispersion Model and Tanks-In-Series model in Non- Ideal flow in process vessel
Explain various methods used in Stimulus Response Procedure to find extent of non-ideality in the reactor
Discuss in brief various cases based on speed of reaction for fluid-fluid reaction with diagram
Derive the equation for Shrinking Core Model considering diffusion through gas film as rate controlling step in a fluid-particle reaction
Explain how to do selection of a model for any particular fluid-particle reaction
Derive the equation for Shrinking Core Model considering diffusion through Ash layer as rate controlling step.
Define Activation Energy, show the effect of using catalyst with graph comparing with a non-catalyzed reaction
The concentration readings in Table given below represent a continuous response to a pulse input into a closed vessel which is to be used as a chemical reactor. Calculate the mean residence time of fluid in the vessel t, and tabulate and plot the exit age distribution E Time, t, min 0 5 10 15 20 25 30 35 Tracer Output concentration, Cpulse gm/lt fluid 0 3 5 5 4 2 1 0
The concentration of undesirable impurity in air (at 1 bar = l0⁵ Pa) is to be reduced from 0.1% (or 100 Pa) to 0.02% (or 20 Pa) by absorption in pure water. Find the height of tower required for countercurrent operations. Data: , , , ,
The vessel with RTD data as given in table is to be used as a reactor for a liquid decomposing with rate . Find the fraction of reactant unconverted in the real reactor and compare this with the fraction unconverted in a plug flow reactor of the same size. Data given is as in the table Time, t, min 0 5 10 15 20 25 30 35 Tracer Output concentration, Cpulse gm/lt fluid 0 3 5 5 4 2 1 0
A batch of solids of uniform size is treated by gas in a uniform environment. Solid is converted to give a nonflaking product according to the shrinking- core model. Conversion is about 7/8 for a reaction time of 1h, conversion is complete in two hours. What mechanism is rate controlling?
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BE Chemical
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Official Gujarat Technological University (GTU) examination paper for Chemical Reaction Engineering - II (Summer 2025, B.E. · Chemical Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.
2170501 Chemical Reaction Engineering - II
Official GTU PDF · Summer 2025
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