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Mass Transfer Principles for Vapor-Liquid Unit Operations

Mass Transfer Principles for Vapor-Liquid Unit Operations

The Principles required to understand Distillation, Absorption, Stripping, Flashing, Gas Treating, Scrubbing and more!

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50.000 VND
30 VND
Đầy Đủ Bài Giảng
Học Online Tiện Lợi
Kích Hoạt Nhanh 2-5 Phút
Thanh toán tự động
Được phép tải xuống

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Đánh giá

Mô tả

Introduction:

This course covers all the theory required to understand the basic principles behind Unit Operations that are based on Mass Transfer. Most of these Unit Operations (Equipments) are used in Process Separation Technologies in the Industry.Common examples are Distillation, Absorption and Scrubbing.

This course is required for the following:

  • Flash Distillation

  • Gas Absorption & Stripping

  • Simple Distillation

  • Batch Distillation

  • Binary Distillation

  • Fractional Distillation

  • Scrubbers

  • Gas Treating

  • Sprayers / Spray Towers

  • Bubble Columns / Sparged Vessels

  • Agitation Vessels

  • Packed Towers

  • Tray Towers

We will cover:

  • Mass Transfer Basics

  • Diffusion, Convection

  • Flux & Fick's Law

  • The Concept of Equilibrium & Phases

  • Gibbs Phase Rule

  • Vapor Pressure

  • Equilibrium Vapor-Liquid Diagrams (T-xy, P-xy, XY)

  • Equilibrium Curves

  • Dew Point, Bubble Point

  • Volatility (Absolute & Relative)

  • K-Values

  • Ideal Cases vs. Real Cases

  • Henry's Law

  • Raoult's Law

  • Deviations of Ideal Cases (Positive and Negative)

  • Azeotropes

  • Solubility of Gases in Liquids

  • Interphase Mass Transfer and its Theories

  • Two Film Theory

  • Mass Transfer Coefficients (Overall vs Local)

  • Getting Vapor-Liquid and Solubility Data

Solved-Problem Approach:

All theory is backed with:

  • Exercises

  • Solved problems

  • Proposed problems

  • Homework

  • Case Studies

  • Individual Study

At the end of the course:

You will be able to understand the mass transfer concepts behind various Unit Operations involving Vapor - Liquid Interaction.

You will be able to apply this theory in further Unit Operations related to Mass Transfer Vapor - Liquid, which is one of the most common interactions found in the industry.

About your instructor:

I majored in Chemical Engineering with a minor in Industrial Engineering back in 2012.

I worked as a Process Design/Operation Engineer in INEOS Koln, mostly on the petrochemical area relating to naphtha treating. There I designed and modeled several processes relating separation of isopentane/pentane mixtures, catalytic reactors and separation processes such as distillation columns, flash separation devices and transportation of tank-trucks of product.

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Mass Transfer Basics (Diffusion, Convection, Concentration Gradient)

Concepts such as Vapor Pressure, Partial Pressure, Volatility, Solubility

Ideal vs. Real Cases

Flux, Mass Transfer, Mass Flow, Molecular Diffusion, Eddy diffusion

The Concept of Equilibrium in Solubility & Vapor-Liquid

Gibbs Phase Rule for Binary Diagrams (T-xy, P-xy, XY)

Models for Vapor Liquid: Henry's Law, Raoult's Law

Deviations such as Azeotropes

Molecular Diffusion - Fick's Law

Diffusion Coefficient aka Diffusivity

Equimolar Counter Diffusion vs. Unimolecular Diffusion

Convective & Interphase Mass Transfer

Mass Transfer Coefficient (Local vs. Overall)

Theories for Interphase Mass Transfer: Film, Penetration, Surface Renewal, Surface Stretch

Two Film Theory

Mass Transfer Principles applied to Industry - Gas absorption & Distillation

Yêu cầu

  • Basic Sciences (Chemistry & Physics)

Nội dung khoá học

6 sections

Introduction

20 lectures
Introduction/Welcome
01:46
Index Content
06:23
Goals & Objectives
04:13
Why Mass Transfer in Vap-Liq?
04:55
Difference between a Vapor and a Gas
05:07
Task – Check out my old Video on Vap vs. Gas
01:06
What are Vapor-Liquid Processes?
01:17
Absorption, Desorption, Stripping & Scrubbing
04:14
Task – Amine Gas Treating
01:25
Distillation Types
02:50
Task – Distillation Process
00:52
Resources for this Course (PDF, Spreadsheets, Slideshows, Simulations, etc.)
00:06
Animations - CFD Wolfram Files
00:01
Exercise Problem Statements (PDF)
00:03
Spreadsheets, Graphs & Tables
00:01
Tasks of the Course
00:06
Reference Used
03:12
Some Notes…
01:49
Join the Groups!
01:41
Contact me
01:04

Equilibrium Fundamentals

93 lectures
Do you really need a Review on Fundamentals?
28 questions
Section 2 - Overview
02:50
2.1 Basic Topics in Equilibrium
00:04
Ideal Gas
03:43
Ideal Solution
05:02
Concept of Ideality
02:36
Real Gas - Overview
02:06
Ex. Ideal vs. Real Gas Conditions
03:56
Animation - Compressibility Factor Charts
03:48
Non-Ideal Solution
04:49
Vapor Pressure
05:29
Partial Pressure
03:44
Partial Pressure vs. Vapor Pressure
03:42
Animation- Dalton's Law of Partial Pressures
02:29
Ex. Calculate Vapor & Pressure
05:24
Task – Partial & Vapor Pressure
00:38
What is a Phase?
02:03
The Concept of Solubility
05:30
Animation: Dissolving a Solute
02:26
General Concept of Equilibrium
03:13
Phase Equilibrium
04:49
Solubility Concept
03:43
2.2 Vapor-Liquid Equilibrium
00:03
What is Phase Equilibrium? (VLE Pure)
04:36
Vapor-Liquid Equilibrium (VLE Binary)
06:55
Animation: P-x-y and T-x-y Diagrams for Vapor-Liquid Equilibrium (VLE)
03:17
Volatility (Chemistry)
04:25
Task - Volatilities
01:36
Relative Volatility
08:06
Special Case: Constant Relative Volatility
02:37
Animation: Flash Distillation of a Constant Relative Volatility Mixture
02:37
K-Values
02:27
Task – Calculate a K-Value
04:01
Animation - K-value of Several Hydrocarbons versus Temperature and Pressure
04:17
2.3 Equilibrium Diagrams
00:02
Equilibrium Diagrams
03:38
Gibbs Phase Rule
04:48
Phase Rule & Diagrams
05:24
Animation: Gibbs Phase Rule for One- and Two-Component Systems
03:28
Task – Prove Phase Rule for VLE
02:18
Binary Diagrams
01:45
XY Diagrams
03:41
Task – XY Diagram
02:21
T-XY Diagram
03:26
Bubble Point
03:03
Dew Point
02:38
T-XY Diagram - Analysis
05:31
Task – Txy Diagram
00:41
Animation: Vapor-Liquid-Liquid Equilibrium (VLLE)
02:41
P-XY Diagram - Analysis
05:16
Task - Reading a P-xy Diagram
02:22
2.4 VLE Thermodynamics
00:07
Thermodynamics Fundamentals
03:52
Solving Ideal Cases
03:49
Solving via Activity Models
03:28
Task – Activity Models
01:08
Solving Equation of States (EOS)
01:15
Task – Fitting Data to Peng Robinson EOS
06:28
Cases
01:18
Case 1: Ideal Solution – Ideal Gas
01:18
Raoult’s Law
07:16
Ex. 1 - Raoult’s Law Application
09:09
K-Values - Revisited
02:55
Case 2: Real Solution – Ideal Gas
03:33
Case 3: Ideal Solution – Real Gas
02:36
Case 4: Real Solution – Real Gas
03:17
Cases Conclusion
01:58
2.5 Deviations: Azeotropes
00:02
Deviations
04:49
Animation: Vapor-Liquid Equilibrium Diagram for Non-Ideal Mixture
03:24
Azeotropes
03:40
Animation: Azeotropes of Binary Mixtures Containing Ethanol
02:59
Minimum-boiling azeotrope
04:04
Maximum-boiling azeotrope
02:29
Task – Identify Azeotrope Type
01:26
EXTRA: Separation of Azeotropic Mixtures
02:20
2.6 Getting VLE Data on Aspen Plus
00:04
What is Aspen Plus?
01:31
Getting VLE Data from AP
02:41
Task: Graphing Txy Data with Binary Analysis Tools
06:06
Getting VLE Data from NIST
03:13
Task: Extracting Binary Data using NIST Database
03:28
2.7 Gas Solubility in Liquids
00:01
Gas Solubility in Liquids an Overview
08:12
Equilibrium Distribution (Solubility) Curve
05:44
Examples - Equilibrium Distribution (Solubility) Curve
02:02
Task – Equilibrium Distribution Curve Analysis
03:12
Gas Solubility in Liquids - Analysis
04:05
Henry’s Law
11:48
Animation: Henry's Law for Gases Dissolved in Water
03:35
Animation: Temperature Dependence of Henry's Law Constant
03:25
Ex Henry’s Law for Solubility
12:26
Section 2 - Closure
00:38

Molecular Diffusion

41 lectures
Section 3 - Overview
01:04
Before we Start
01:39
3.1 Introduction to Mass Transfer
00:02
What is Mass Transfer?
11:22
Types of Mass Transfer
02:06
Introduction to Mass Diffusion
02:41
Task - Molecular Diffusion in Dyes
01:04
Animation: Diffusion of Gases in a Tube
03:11
The Concept of Velocity in MT
11:00
What is Flux? Na
03:57
What is Flux? Ja
01:39
Ex. Mass Flux & Mass Velocities
07:53
What is Molecular Diffusion?
03:09
Diffusion of Gases
04:09
Eddys vs. Molecular Diffusion
00:46
Task – Identify Molecular Diffusion vs. Convective MT
02:05
Diffusivity aka Diffusion Coefficient - DAB
03:56
Animation: Binary Diffusion Coefficients for Gases
02:42
Animation: Diffusion Coefficients for Multicomponent Gases
01:55
3.2 Fick’s Law
00:03
Models for Diffusion
02:33
Fick’s Law
06:30
Animation: Steady-State Binary Fickian Diffusion
03:41
Understanding Applications
04:12
Case (A) Equimolar Counter-Diffusion (EMD)
13:26
Ex 1. (EMD) Equimolar Counter-Diffusion
08:52
Ex 2. (EMD) Equimolar Counter-Diffusion
11:28
Tip - Position vs Time in Diffusion Cases
03:13
Ex 3. (EMD) Equimolar Counter-Diffusion
05:57
Ex 4. (EMD) Equimolar Counter-Diffusion
04:19
Case (B) Unimolecular Diffusion (UMD)
05:02
About Case Studies in Molecular Diffusion...
01:00
Unimolecular Diffusion Equation for Concentrations
06:53
Unimolecular Diffusion Equation for Partial Pressures
06:36
Unimolecular Diffusion Equations for Molar Fractions
04:13
Summary of Molecular Diffusion Equations Expression
02:44
Ex 1. Unimolecular Diffusion (UMD)
07:21
Ex 2. Unimolecular Diffusion (UMD)
24:07
Ex 3. Unimolecular Diffusion (UMD)
05:28
Section 3 - Closure
01:31
Test yourself!
20 questions

Convective Mass Transfer & MT Coefficients

28 lectures
Section 4 - Overview
02:06
4.1 Introduction to Convective Mass Transfer
00:03
Overview of Convective Mass Transfer
00:46
Mass Transfer Cases
03:57
Task – Convective Mass Transfer
01:00
Convective Mass Transfer
02:02
4.2 Mass Transfer Coefficients
00:12
Mass Transfer Coefficients
12:46
MTC for Molecular Diffusion
05:35
Mass Transfer Diffusion Cases EMD & UMD
06:05
Mass Transfer Coefficient for Equimolar Counter-Diffusion
10:39
Ex 1. MT Coefficient in EMD
10:33
Mass Transfer Coefficient for Unimolecular Diffusion
12:03
Ex. 1 MT Coefficient in UMD
06:01
Ex. 2 MT Coefficient in UMD
06:04
Mass Transfer Coefficient - Summary of Equations & Cases
02:06
Volumetric MT Coefficients
03:37
Analogies: Momentum, Heat & Mass Transfer
07:53
Task – Chilton Colburn Analogy
01:11
4.3 MT Coefficient Correlations
00:05
Mass Transfer Correlations
08:09
Mass Transfer Correlation for Fluids flowing through Pipes
04:39
Ex. 1 MTC Correlation for Fluids Flowing Through Pipes
07:35
Mass Transfer Correlation for Packed Beds
03:26
Ex. 2 MTC Correlation for Single Phase Flow Through Packed Bed
07:47
More on MTC Correlations
01:24
Section 4 - Closure
01:06
Test yourself!
17 questions

Interphase Mass Transfer

37 lectures
Section 5 - Overview
01:31
5.1 Introduction to Mass Transfer within Interphases
00:07
Introduction- Mass Transfer Interphases
05:29
What is an Interphase?
02:44
REVISITED - Equilibrium
11:06
Raoult’s Law - Revisited
02:00
Example 3.1 Application of Raoult’s Law to a Binary System
07:22
Revisiting Henry's Law
02:06
Example 3.2 Henry's Law: Saturation of Water with Oxygen
05:54
5.2 Theories for Diffusion between Phases
00:09
Interphase Mass Transfer
05:11
Theories for Interphase MT
02:09
Original Film Theory
09:12
Ex 3.17 Mass-Transfer Flux in a Packed Absorption Tower.
09:23
The Penetration Theory
06:19
Surface Renewal Theory
06:12
Film Penetration Model
03:02
Surface-Stretch Theory
01:23
Summary of Interphase Theories
01:51
The Two-Film / Two Resistance Theory
03:06
5.3 Two Film Theory Applied to Industrial Processes
00:14
Films in Gas Absorption
03:12
Film Concept in Mass Transfer
01:56
Film-Film interaction in the Two Resistance Theory
05:16
Two-Film Theory and Equilibrium Solubility Curve
07:38
Analysis of Mass Transfer Process using Two-Film Theory
04:25
Film MT Coefficients
03:00
Local MTC: kx, ky
05:57
Overall Mass Transfer Coefficients
04:03
Task – Overall Mass Transfer Coefficients
02:01
Local vs. Overall Mass Transfer Coefficients Summary
02:43
Mass Transfer Resistance
02:25
Analysis of Gas Solubility
09:41
Ex. Mass Transfer Resistances in Absorption of Ammonia by Water (Local/Overall)
10:01
Absorption of SO2 into Water (Local & Overall Mass Transfer Coefficients)
07:59
Section 5 - Closure
01:12
Test yourself!
14 questions

Conclusion

4 lectures
Course Wrap-up
02:15
What we learnt!
06:34
Top Unit Operation Q&A
38:22
BONUS - Continue Your Training!
00:18

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