BCH501

Mass Transfer-I

L-T-P3-1-0 Credits4 Session2024-25 TypeTheory
Appears in 1 semester

B.Tech Chemical Engineering · Sem 5 (Core)

Pre-requisites: CHEMICAL ENGG. FLUID

Syllabus

5 units · 40 lecture hours
Unit1

Unit 1: Introduction to Mass Transfer & Diffusion

8 hrs

Overview of Mass Transfer Operations, Classification of Mass Transfer Operations, Molecular Diffusion in Fluids: Fick's Law, Diffusivity, and Factors Affecting Diffusion, Steady-State Diffusion in Gases and Liquids, Equimolar Counter Diffusion, Interphase Mass Transfer, Mass Transfer Coefficients, Film Theory, Penetration Theory, Surface Renewal Theory, Two-Film Theory, and Overall Mass Transfer Coefficient

Unit2

Unit 2: Absorption and Stripping

8 hrs

Principles of Gas Absorption, Solubility of Gases in Liquids, Equilibrium in Gas Absorption, Design of Packed Columns: HTU and NTU Concepts, Design of Tray Columns: Plate Efficiency, Murphree Efficiency, Determination of Column Diameter and Column Height (HETP), Absorption with Chemical Reaction: Design Considerations

Unit3

Unit 3: Distillation

8 hrs

I- Fundamentals, Overview and Importance, Types of Distillation: Batch vs. Continuous, Binary vs. Multicomponent, Vapor-Liquid Equilibrium (VLE): Raoult’s Law and Dalton’s Law, VLE Data and Diagrams: T-x-y, P-x-y, Ideal and Non-Ideal Systems, Azeotropes,, Single Stage Distillation: Differential Distillation, Flash Vaporization, Vacuum Distillation, Molecular Distillation, Steam Distillation

Unit4

Unit 4: Distillation-II

8 hrs

Multistage and Advanced Distillation Techniques: Continuous Distillation of Binary Mixtures: Multistage Contact Operations, Characteristics of Multistage Towers., McCabe-Thiele Method, Ponchon-Savarit Method, Reflux: Maximum, Minimum, and Optimum Reflux, Tray Columns: Types (Bubble Cap, Sieve, Valve), Tray Efficiency, Determination of Height and Column Diameter, Advanced Distillation Methods: Multistage Batch Distillation, Principles of Azeotropic and Extractive Distillation, Introduction to Multicomponent Distillation Systems

Unit5

Unit 5: Drying

8 hrs

Introduction to Drying: Overview of Drying Operations, Moisture Content and its Measurement, Classification of Drying Operations: Batch and Continuous Drying, Drying Principles and Mechanisms, Drying Rate Curves: Constant Rate and Falling Rate Periods, Factors Affecting Drying Rate, Equilibrium Moisture Content and Hysteresis, Calculation of Drying Time, Types of Dryers and Their Design Tray Dryers, Rotary Dryers, Fluidized Bed Dryers, Spray, Industrial Applications Case Studies B. TECH III YEAR V SEMESTER CHEMICAL ENGINEERING

Course Objectives4 points
  • To provide students with a comprehensive understanding of the fundamental principles of mass transfer and the various mechanisms involved in mass transport processes.
  • To impart knowledge on molecular diffusion, convective mass transfer, and the determination of mass transfer coefficients in various phases.
  • To develop the ability to analyze and design equilibrium-based separation processes such as distillation, absorption, and drying.
  • To introduce students to the design and operational aspects of mass transfer equipment like distillation columns, packed towers, and tray towers.
Course Outcomes (COs)6 outcomes

After completion of the course student will be able to:

  1. CO1Demonstrate a clear understanding of the fundamental concepts of mass transfer, including diffusion, mass transfer coefficients, and the concept of driving force in mass transport processes.
  2. CO2Analyze and solve problems related to mass transfer operations like distillation.
  3. CO3Analyze the absorption phenomenon using both theoretical and empirical approaches.
  4. CO4Design and optimize simple equilibrium-staged separation processes, such as binary distillation and absorption columns, considering energy efficiency and cost..
  5. CO5Calculate mass transfer rates in various systems and determine mass transfer coefficients using appropriate correlations and experimental data.
  6. CO6Analyze the drying phenomenon.

REFERENCEBOOKS

  1. S.NO. NAMEOFAUTHORS/BOOKS/PUBLISHERS YEAR OF PUBLICATION/ REPRINT
  2. "Mass Transfer Operations" by Robert E. Treybal, McGraw- Hill Education 2012
  3. McCabe and Smith: Unit Operations in Chemical Engineering II, 7th Edition 7e, McGraw-Hill 2017
  4. Coulson and Richardson: Heat and Mass Transfer: Fundamentals and Applications VolI-B,7e, 2018
  5. Principles of Mass Transfer and Separation Processes by B.K. Dutta,2e, PHI Learning Pvt. Ltd. 2015
  6. Geankoplis,C.J.―TransportProcessesandUnitOperations‖,3e ,PrenticeHall(I), 2003

Official AKTU syllabus

This subject is on page 5, 6, 7 of the original AKTU PDF.

Official AKTU syllabus PDF ↗