JNTUK B.Tech Mass Transfer Operations-I gives you detail information of Mass Transfer Operations-I R13 syllabus It will be help full to understand you complete curriculum of the year.
Learning Objectives
Students will be able to learn
- Classification of various mass transfer operations.
- Diffusional mass transfer for diffusion in solids & fluids and estimation of diffusivities.
- Estimation of the Mass transfer coefficients for laminar and turbulent flow.
- Turbulent mass transfer theories and analogy between heat, mass and momentum transfer
- Equilibrium based separation by distillation and different types of distillation operations.
- The principles for design of distillation towers making simplified assumptions and also using enthalpy- concentration diagrams.
- The concepts of equilibrium based separation by absorption and stripping and corresponding data analysis.
- The concepts for design of equipment for gas-solid operations and gas-liquid operations.
UNIT- I: Introduction to Mass Transfer Operations: Classification of the Mass-Transfer Operations, Choice of Separation Method, Methods of Conducting the Mass-Transfer Operations, Design Principles, Unit Systems. Molecular Diffusion In Fluids: Molecular Diffusion, Equation of Continuity, binary solutions, Steady State Molecular Diffusion in Fluids at Rest and in Laminar Flow, estimation of
diffusivity of gases and liquids, Momentum and Heat Transfer in Laminar flow.
UNIT-II: Diffusion:Diffusion in Solids, Fick’s Diffusion, Unsteady State Diffusion, Types of Solid Diffusion, diffusion through polymers, diffusion through crystalline solids, Diffusion through porous solids & hydrodynamic flow of gases. Mass Transfer Coefficients: Mass Transfer Coefficients, Mass Transfer Coefficients in Laminar Flow, Mass Transfer Coefficients in Turbulent Flow, eddy diffusion, Film Theory, Penetration theory, Surface-renewal Theory, Combination Film-Surface-renewal theory, Surface- Stretch Theory, Mass, Heat and Momentum Transfer Analogies.
UNIT-III: Inter Phase Mass Transfer: Concept of Equilibrium, Diffusion between Phases, Material Balances in steady state co-current and counter current stage processes, Stages, Cascades, Kremser – Brown equation. Distillation-I : Fields of applications, VLE for miscible liquids, immiscible liquids, steam distillation, Positive and negative deviations from ideality, enthalpy concentration diagrams, flash vaporization and differential distillation for binary and multi component mixtures.
UNIT- IV: Distillation-II: Continuous rectification-binary systems, multistage tray towers–method of McCabe and Thiele, enriching section, exhausting section, feed section, total reflux, minimum and optimum reflux ratios, use of steam, total and partial condensers, cold reflux, multiple feeds, tray efficiencies. Ponchon and Savarit method, the enriching and stripping sections, feed tray location, total reflux, minimum and optimum reflux ratios, reboilers, use of open steam, condenser and reflux accumulators, azeotropic distillation, extractive distillation, comparison of azeotropic and extractive distillation-Distillation in packed towers.
UNIT-VI: Equipment For Gas-Liquid Operations: Gas dispersed, sparged vessels (bubble columns), mechanical agitated equipments(brief description),tray towers, general characteristics, sieve tray design for absorption and distillation (qualitative treatment), different types of tray efficiencies, liquid dispersed venturi scrubbers, wetted-wall towers, packed towers, counter current flow of liquid & gas through packing, mass transfer coefficients for packed towers, end effects and axial mixing- tray towesrvs packed towers.
Out comes
After completing the course, the students will be able to:
- Estimate the diffusivities of gases and liquids for diffusion through solids, liquids and gases.
- Estimate the mass transfer coefficients for laminar flow and turbulent flow.
- Design and operate stage wise and continuous contact distillation towers.
- Design and operate stage wise and continuous gas-liquid contact towers for absorption and stripping.
Text Books
- Mass Transfer Operations, R.E. Treybal, 3rdEdition.,McGraw Hill, 1980.
- Unit Operations of Chemical Engineering, W.L.McCabe, J.C.Smith& Peter Harriott, McGraw- Hill, 6th Edition, 2001.
Reference Books
- Coulson and Richardson’s Chemical engineering, Vol 1,Backhurst, J.R., Harker, J.H., Richardson, J.F., and Coulson, J.M., Butterworth-Heinemann, 1999.
- Coulson and Richardson’s Chemical engineering, Vol 2, Richardson, J.F. &Harker,J.H. with Backhurst, J.R., Butterworth-Heinemann, 2002.
- Principles of Mass Transfer and Separation Processes, Binay K. Datta, PHI Learning Private Ltd., 2009.
- Diffusion: Mass Transfer in Fluid Systems, Cussler, E.L., Cambridge Univ. Press, 1984.
- Design of Equilibrium Stage Processes, B.D.Smith, McGraw-Hill, 1963.
- Staged Cascades In Chemical Processing, P.L.T.Brian, Prentice-Hall, 1972.
- Equilibrium Staged Separations, Phillip C.Wankat, Prentice-Hall PTR, 1988.
- Equilibrium-Stage Separation Operations in Chemical Engineering, E.J.Henley and J.D.Seader, John Wiley & Sons, 1981.
- Transport Processes and Unit Operations by Christie J. Geankoplis, 4th Edition, PHI,2009.
- Separation Processes, C.J. King, 2nd Edition, McGraw- Hill, 1980.