EL25403 Chemical Reaction Engineering – Semester IV – ChemElec – R-2025

Subject Code & Name: EL25403 – Chemical Reaction Engineering

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B. Tech. Chemical and Electrochemical Engineering (ChemElec)

Credits / L-T-P: 4 Credits | L-T-P: 3-1-0

Course Objectives

• To enable students to understand the kinetics of homogeneous reactions, analyze reactor configurations, study different types of chemical reactors, and design reactors under isothermal and non-isothermal conditions for industrial applications.

Full Unit-wise Syllabus

Note: the official PDF prints the five units of this course without unit titles; they are shown here as Units I–V.

Unit I

Rate equation, elementary, non-elementary reactions, theories of reaction rate and Prediction; Design equation for constant and variable volume batch reactors, analysis of experimental kinetics data, integral and differential analysis.

Activities: Analysis of experimental kinetic data.

Unit II

Design of continuous reactors - stirred tank and tubular flow reactor, recycle reactors, Equal sized CSTRs in series and parallel, Equal sized PFRs in series and parallel, size comparison of reactors.

Activities: Design calculations for CSTR and PFR; comparison of reactor configurations.

Unit III

Design of reactors for multiple reactions - consecutive, parallel and mixed reactions; factors affecting choice, optimum yield and conversion, selectivity, reactivity and yield.

Activities: case studies on reactor selection and design.

Unit IV

Non-isothermal homogeneous reactor systems, adiabatic reactors, rates of heat exchanges for different reactors, design for constant rate input and constant heat transfer coefficient, operation of batch and continuous reactors, optimum temperature progression.

Activities: Analysis of temperature effects on reaction rates.

Unit V

The residence time distribution as a factor of performance; residence time functions and relationship between them in reactor; basic models for non-ideal flow; conversion in non-ideal reactors.

Activities: RTD curve analysis

Course Outcomes (COs)

• CO1: Mapping Apply the concepts of reaction kinetics, rate laws, and chemical reactor principles in engineering applications.
• CO2: Analyze reaction kinetics and reactor performance to determine conversion, reaction rate, and process efficiency.
• CO3: Evaluate reactor models and operating conditions to assess their effectiveness and suitability for specific reactions.
• CO4: Design chemical reactors by applying reaction engineering principles to develop efficient, safe, and optimized process systems.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 50% | End Semester Examinations 50%
• Internal methodology: Assignments (20%), Quiz/MCQ (20%), Solving competitive -type questions (10%), Internal Examinations (50%)

Source: Official Anna University – B. Tech. Chemical and Electrochemical Engineering R-2025 Syllabus
Last Updated: October 2026