BTech Engineering Bridging Unit (BEBU) in Chemical Engineering

 

Objectives

  • Understand basic concepts in chemical kinetics; Analyse kinetic data and rate equations

  • Describe the basic characteristics of ideal batch, mixed flow and plug flow reactors.

  • Explain the effects of temperature on heats of reaction and yields of multiple reactions; Design non-isothermal reactors graphically

  • Characterize the effects of non-ideal flows in reactor design

Description

  • Chemical Kinetics – Definitions of terms. Elementary and non-elementary reactions. Stoichiometry and rate equation. Reaction orders, rate constants and molecularities. Methodologies in reaction mechanism. Temperature dependence of reaction rates. Arrhenius law

  • Rate Laws- Measurements of reaction rates. Determination of rate laws. Differential and integral analysis. Parallel reactions. Series reactions. Autocatalytic reaction. Pseudo steady-state approximation. Proposal of reaction mechanisms. Enzyme kinetics and the Michaelis–Menten equation; Langmuir-Hinshelwood kinetics.

  • Basics of Reactor Design – Ideal batch reactor. Steady state mixed flow reactor. Steady state plug flow reactor. Conversion. Space-time and space-velocity. Constant density and variable density systems. Stoichiometric table. Recycle reactor. Performance equations.

  • Temperature Effects – Heats of reaction and temperature effect. Multiple reactions and temperature effect. General graphical design of non-isothermal reactors. Optimum temperature progression

  • Basics of Non-Ideal Flow – Residence time distribution. State of aggregation and mixing. E and F curves. Pulse and step experiments. Conversion in non-ideal flow reactors

Assessment

  • Tests/Quizzes: 20%

  • Others (e.g. Projects, assignments, homework, class participation): 20%

  • Final Examination: 60%
 
02 October 2019