Explain various ideal reactors with their characteristics.
[3 marks]State Fick’s first law of diffusion and explain flux Nand J . A A
[4 marks]Discuss the system of three liquids – one pair partially soluble on ternary equilibria for liquid-liquid extraction.
[7 marks]Define and explain the following terms:
[3 marks]activation energy ii) elementary reactions iii) order of reaction
[ marks]Explain the criteria of solvent selection for gas absorption.
[4 marks]Determine the activation energy and frequency factor from the following data for the bimolecular formation of methyl ethyl ether. Also find the rate equation. Temperature, oC 0 6 12 18 24 30 k x 105, lit/(gmol.sec) 5.6 11.8 24.5 48.8 100 208
[7 marks]Explain gas phase controlled and liquid phase controlled mass transfer operations with the help of two-resistance theory of interphase mass transfer.
[7 marks]At 500 K, the rate of a bimolecular reaction is ten times the rate at 400 K. Find the activation energy of the reaction from Arrhenius theory.
[3 marks]Liquid Adecomposes by first order kinetics, and in a batch reactor. 50% of Ais converted in 5 minutes. How long it will take to reach to 75% conversion?
[4 marks]For a given liquid flow rate, give step wise procedure to calculate minimum liquid to gas ratio for absorbers.
[7 marks]Define and explain the following:
[3 marks]extract phase ii) raffinate phase iii) solvent
[ marks]Explain the classification of reactions in details with examples.
[4 marks]Write a short note on differential method and integral method of analysis of kinetic data.
[7 marks]Define and give physical significance of Reynolds No. and Prandtl No.
[3 marks]Derive performance equation of a PFR.
[4 marks]Differentiate between direct and indirect mass transfer operations.
[7 marks]Mention different types of solid diffusion.
[3 marks]Explain temperature and pressure dependency of diffusivity of gases and liquids.
[4 marks]Explain classification of mass transfer operations with examples of each.
[7 marks]Define molecular and eddy diffusion with examples.
[3 marks]Discuss industrial applications of liquid-liquid extraction.
[4 marks]Explain preparation of solids for leaching.1
[7 marks]Define Ftype and k type mass transfer coefficients.
[3 marks]State common principles of equilibrium in case of interphase mass transfer.
[4 marks]Derive equation for material balance for single stage countercurrent leaching.
[7 marks]