Learn · Principles of Chemical Reaction Engineering
Lecture 14 of 56Week 3
Lecture 13 : Discussion on ideal flow reactor operation in un steady state and modelling, different time scales in reaction engg, Use of Levenspiel plots and concentration profile
Prof. Koustuv Ray Prof. Kshetramohan Sahoo · IIT Kharagpur
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All the lectures
- Lecture 1 : Chemical reactions in everyday life, living systems, and nature, chemical reactions of industrial importance
- Lecture 2 : Introduction to thermodynamic aspects of Chemical Reaction Engineering
- Lecture 3 : Characterization and classification of chemical reactions based on the number of steps involved, order, molecularity, role of mass transfer resistance, presence of catalysts, and evolution or absorption of heat.
- Lecture 04 (Part 1) : Evolution of Knowledge on Chemical Reaction
- Lecture 4 Part 2 : Emergence of Chemical Reaction Engineering as a apecialized discipline
- Lecture 05 : Concentration dependence of reaction rate
- Lecture 06 : Temperature dependence of reaction rate
- Lecture 07 : Thermodynamic requirements of mixing in liquid phase reactions; purely diffusive mixing in micro channels; reactors or contactors-batch, semi batch, and continuous; turbulent mixing in stirred tanks, concept of the ideal…
- Lecture 08 : Spontaneous mixing in gas-phase reactions; tubular reactors; connections among laminar flow, turbulent flow and plug flow in tubes; concept of the ideal plug-flow reactor.
- Lecture 09 : Discussion on conceptual and numerical problems
- Lecture 10 : Concept of conversion in a reaction; unsteady and Steady-state operation of isothermal reactors; performance equations for isothermal batch and semi batch reactors; introduction to the Levenspiel plot.
- Lecture 11 : Development of model equations for isothermal reactors and performance equation of ideal CSTR
- Lecture 12 : Development of performance equations for ideal PFR, Use of Levenspielplot to compare reactor sizes
- Lecture 13 : Discussion on ideal flow reactor operation in un steady state and modelling, different time scales in reaction engg, Use of Levenspiel plots and concentration profile
- Lecture 14 : Conceptual and Numerical Problems
- Lecture 15 : Dam Kohler number (Da) for reactor scaling, concentration dependence of Da, conversion in ideal reactors in terms of Damkohler number
- Lecture 16 : Development of General Conversion-Da relation for reactions of different orders, Series or Parallel connection of ideal reactors
- Lecture 17 : CSTRs in series and approach to PFR behaviour, PFRs in seris, and PFR-CSTR seris combination
- Lecture 18 :Concept of recycle reactor
- Lecture 19 : Discussion on conceptual and numerical problems
- Lecture 20 : Cometing parallel reactions
- Lecture 21 : Competing series reactions
- Lecture 22 : Competing series-Parallel reactions
- Lecture 23 : Contacting strategies for special reactions
- Lecture 24 : Discussion on conceptual and numerical problems
- Lecture 25 : Non-ideality in practical contacting and the concept of residence time distribution (RTD)
- Lecture 26 : F(t), I(t) as measures of RTD, Mathematical functions used in RTD analysis:
- Lecture 27: E(t), F(t), and I(t) curves for ideal reactors and laminar flow reactor
- Lecture 28 : Modelling Non-ideal flow: application of zero-parameter models
- Lecture 29 : Modelling Non-ideal flow: application of one-parameter models
- Lecture 30 : Discussion on conceptual and numerical problems and Recap
- Lecture 31 : Methods for rate data analysis
- Lecture 32 : Pseudo-Steady-State Hypothesis (PSSH), Searching for a Mechanism, Chain Reactions & Reaction Pathways
- Lecture 33 : Enzyme Catalysis Kinetics: Michaelis–Menten Model, Linearization Methods, and Enzyme Inhibition
- Lecture 34 : Design of Bio-reactors: Kinetic models for design of ideal Bioreactors, including batch fermenters, CSTRs and PFRs
- Lecture 35 : Design of Bio-reactors: Kinetic models for design of ideal Bioreactors, including batch fermenters, CSTRs and PFRs
- Lecture 36 : Discussion on Conceptual and numerical problems
- Lecture 37 :General energy balance and relationships involving heat of reaction and specific heat capacity, derivation of steady state tubular reactor with heat exchange
- Lecture 38 : Unsteady state energy balance for batch reactor
- Lecture 39 : Heat effects in Semibatch reactor
- Lecture 40 : Discussion on Numerical problems
- Lecture 41 : Adiabatic reactor operation: general analysis of the relationship between conversion and temperature in adiabatic reactors, Adiabatic equilibrium conversion and temperature
- Lecture 42 : Adiabatic Flow and Batch Reactors
- Lecture 43 : Heat Generation and Removal in a CSTR
- Lecture 44 : Graphical analysis of heat generation and heat removal curves, multiple steady states, stability diagram and runaway analysis
- Lecture 45 : Discussion on numerical problems
- Lecture 46 : Introduction to Heterogeneous Systems: Classification and characteristics of non-catalytic and catalytic heterogeneous reaction systems
- Lecture 47 : Fluid-fluid reaction: kinetics with mass transfer
- Lecture 48 : Gas-solid non-catalytic reactions: analysis of fluid-particle reactions using Progressive-Conversion Model (PCM) and Shrinking-Core Model (SCM)
- Lecture 49 : Idea of Pore size, Knudsen diffusion, particle porosity, Constriction factor, tortuosity, and effective diffusivity
- Lecture 50 : Revist of conceptual and numerical problems discussion
- Lecture 51 : Elucidation of the elementary steps of heterogeneous catalysis: adsorption, surface reaction, and desorption, Rate Limiting Step
- Lecture 52 : kinetics of Solid-Catalyzed Reactions: Derivation of rate laws, Mechanism and Rate limiting Step using the Langmuir-Hinshelwood and Eley–Rideal approach
- Lecture 53 : Diffusion and reaction in spherical catalyst pellets, concept of Thiele modulus, internal effectiveness factor and non-isothermal effectiveness factor
- Lecture 54 : Falsified Kinetics, Application of the Thiele modulus and the internal effectiveness factor: External and Internal Mass Transfer in Catalysis, Quantification of mass transfer resistances (Mears’ and Weisz-Prater criterion),…
- Lecture 55 : Revist of conceptual and numerical problems discussion