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Mass Transfer Principles for Vapor-Liquid Unit Operations
Introduction
Welcome to the Course! (1:46)
Content Index (6:23)
Objectives & Goals (4:13)
Why Mass Transfer in Vapor-Liquid & Gas-Liquid Operations? (4:55)
Difference between a Vapor and Gas (5:07)
Task - Check my old Vid on Gas vs Vapor (1:06)
What are Vapor-Liquid Processes? (1:17)
Absorption, Desorption, Stripping & Scrubbing (4:14)
Task - Amine Gas Treating Unit (1:25)
Distillation Types (2:50)
Task - Distillation Column (0:52)
Reference Books & Materials (3:12)
Some Notes (Teachable) (2:55)
Join the Groups! (1:41)
Contact Me (1:04)
Reference Material
Test yourself! Do you need to take the review?
Equilibrium Fundamentals
Section 2 - Overview (2:50)
2.1 Basic Topics
Ideal Gas Law (3:43)
Ideal Solution (5:02)
Concept of Ideality (2:36)
Real Gas - Overview (2:06)
Ex. Ideal vs Real Gas Conditions (3:56)
Animation - Compressibility Factor Charts (3:48)
Non-Ideal Solutions (4:49)
Vapor Pressure (5:29)
Partial Pressure (3:44)
Partial Pressure vs Vapor Pressure (3:42)
Animation- Dalton's Law of Partial Pressures (2:29)
Ex. Calculate Vapor & Pressure
Task – Partial & Vapor Pressure (0:38)
What is a Phase? (2:03)
The Concept of Solubility (5:30)
Animation - Dissolving a Solute (2:26)
General Concept of Equilibrium (3:13)
Phase Equilibrium (4:49)
Solubility Equilibrium (3:43)
2.2 Vapor Liquid Equilibrium
What is Vapor Liquid Equilibrium for Pure Substances (4:36)
Vapor Liquid Equilibrium for Binary Systems (6:55)
Animation - Pxy and Txy Diagrams for Vapor Liquid Equilibriums (3:17)
Volatility (Chemistry) (4:25)
Task - Volatility of Substances (1:36)
Relative Volatility (8:06)
Special Case - Constant Relative Volatility (2:37)
Animation - Flash Distillation of a Constant Relative Volatility Mixture (2:37)
K-Values - An Overview (2:27)
Task - Calculate K-Values (4:01)
Animation - K-value of Several Hydrocarbons versus Temperature and Pressure (4:17)
2.3 Equilibrium Diagrams
Equilibrium Diagrams (3:38)
Gibbs Phase Rule (4:48)
Phase Rule & Diagrams (5:24)
Animation Gibbs Phase Rule for One and Two Component Systems (3:28)
Task - Prove Phase Rule for VLE systems (2:18)
Binary Diagrams (1:45)
XY Diagrams (3:41)
Task - XY Diagram (2:21)
T-XY Diagram (3:26)
Bubble Point (3:03)
Dew Point (2:38)
Analysis of T-XY Diagram (5:31)
Task - Reading T-XY Diagram (0:41)
Animation - Vapor Liquid Liquid Equilibrium (VLLE) (2:41)
P-XY Diagrams (5:16)
Task - Reading P-XY Diagrams (2:22)
2.4 VLE Thermodynamics
Thermodynamics Fundamentals (3:52)
Solving Ideal Gases (3:49)
Solving via Activity Models (3:28)
Task - Activity Models (1:08)
Solving Equation of States (EOS) Cases (1:15)
Task – Fitting Data to Peng Robinson EOS (6:27)
Cases (1:18)
Case 1 - Ideal Solution & Ideal Gas (1:18)
Raoult's Law (7:16)
Ex. Raoults Law Application (9:09)
K-Values (revisited) (2:55)
Case 2 - Real Solution - Ideal Gas (3:33)
Case 3 - Ideal Solution and Real Gas (2:36)
Case 4 - Real Solution - Real Gases (3:17)
Cases Conclusions - Ideal Gases and Solutions vs Real Gases and Solutions (1:58)
2.5 Deviations of VLE
Devitations (4:49)
Animation: Vapor-Liquid Equilibrium Diagram for Non-Ideal Mixture
Azeotropes (3:40)
Animation Azeotropes of Binary Mixtures containing Ethanol (2:59)
Miniumum boiling Azeotropes (4:04)
Maximum Boiling Azeotrope (2:29)
Task - Identify Azeotrope Types (1:26)
EXTRA: Introduction to Azeotropic Distillation (2:20)
2.6 Bonus - Getting VLE Data
What is Aspen Plus? (1:31)
Getting VLE Data from Aspen Plus (2:41)
Task - Graphing Txy Data with Binary Analysis Tools (6:05)
Getting VLE Data from NIST Databases (3:13)
Task - Extracting Binary Data using NIST Database (3:27)
2.7 Gas Solubility in Liquids
Gas Solubility in Liquids an Overview (8:12)
Equilibrium Distribution Curve for Solubility (5:44)
Examples - Equilibrium Distribution Curve in Solubility (2:02)
Task - Equilibirum Distribution Curve Analysis (3:12)
Gas Solubility in Liquids - Analysis (4:05)
Henry's Law (11:48)
Animation Henrys Law for Gases Dissolved in Water (3:35)
Animation Temperature Dependance of Henrys Law Constant (3:25)
Ex. Henry’s Law for Solubility
Section 2 - Closure (0:38)
Molecular Diffusion
Section 3 - Overview (1:04)
Before we start (1:39)
3.1 Introduction to Mass Transfer
What is Mass Transfer? (11:22)
Types of Mass Transfer (2:06)
Introduction to Mass Diffusion (2:41)
Task - Molecular Diffusion in Dyes (1:04)
Animation - Diffusion of Gases in a Tube (3:11)
The Concept of Velocity in Mass Transfer (11:00)
What is Molar Flux? NA (3:57)
What is Moalr Flux due to Molecular Diffusion? JA (1:39)
Ex. Mass, Molar and Volumetric Average Velocities (7:53)
What is Molecular Diffusion? (3:09)
Diffusion of Gases (4:09)
Eddys vs Molecular Diffusion (0:46)
Task - Identify Molecular Diffusvion vs. Convective Mass Transfer (2:05)
Diffusivity aka Diffusion Coefficient - DAB (3:56)
Animation - Binary Diffusion Coefficients for Gases (2:42)
Animation - Diffusion Coefficients for Multicomponent Gases (1:55)
3.2 Fick’s Law
Models for Diffusion (2:33)
Ficks Law (6:30)
Animation - Steady-State Binary Fickian Diffusion (3:41)
Understanding Applications of Diffusion in Engineering (4:12)
Case A) Equimolar Counter Diffusion (EMD) (13:26)
Ex. 1 Equimolar Counter Diffusion (8:52)
Ex. 2 Equimolar Counter Diffusion Application (11:28)
Tip - Location vs. Time in Diffusion (3:13)
Ex. 3 Equimolar Counter Diffusion in Pressure, Concentration and Molar Fractions (5:57)
Ex. 4 Equimolar Counter Diffusion using Pressure (4:19)
Case B) Unimolecular Diffusion (UMD) (5:02)
About the Cases we are studying... (1:00)
Unimolecular Diffusion Formula using Concentrations (6:53)
Unimolecular Diffusion Equations using Partial Pressures (6:36)
Unimolecular Diffusion Equations for Molar Fractions (4:13)
Summary of Equations for Unimolecular Diffusion (2:44)
Ex 1. Unimolecular Diffusion of Oxygen using Partial Pressures (7:21)
Ex. 2 Unimolecular Diffusion of Benzene in Air (24:07)
Ex. 3 Unimolecular Diffusion of Evaporization of Water in Air (5:28)
Section 3 - Closure (1:31)
Test Yourself! Section 3.
Convective Mass Transfer & Mass Transfer Coefficients
Section 4 - Overview (2:06)
4.1 Introduction to Convective Mass Transfer
Overview of Convective Mass Transfer (0:46)
Mass Transfer Cases (3:57)
Task - Convective Mass Transfer (1:00)
Convective Mass Transfer (2:02)
4.2 Mass Transfer Coefficients
Mass Transfer Coefficients (MTC) (12:46)
MTC for Molecular Diffusion (5:35)
MTC for Molecular Diffusion Cases UMD & EMD (6:05)
Mass Transfer Coefficient for Equimolar Counter-Diffusion (EMD) (10:39)
Ex. MT Coefficient in EMD (10:33)
Mass Transfer Coefficient for Unimolecular Diffusion (UMD) (12:03)
Ex. 1 MT Coefficient in UMD (6:01)
Ex 2. MT Coefficient in UMD with Non Diluted Solution (6:04)
MT Coefficients Summary (2:06)
Volumetric MT Coefficients (3:37)
Analogies between Momentum, Heat & Mass Transfer (7:53)
Task - Chilton Colburn Analogy (1:11)
4.3 MT Coefficient Correlations
Mass Transfer Correlations (8:09)
Mass Transfer Correlation for Fluids Flowing Thorugh Pipes (4:39)
Ex. MTC Correlation for Fluids Flowing Through Pipes (7:35)
Mass Transfer Correlation for Flow in Packed Beds (3:26)
Ex. MTC Correlation for Fluids in Packed Beds (7:47)
More on MTC Correlations (1:24)
Section 4 - Closure (1:06)
Test Yourself! Section 4
Interphase Mass Transfer
Overview of Section 5 (1:19)
5.1 Introduction to Mass Transfer within Interphases
Introduction to Mass Transfer in Interphases (5:29)
What is an Interphase? (2:44)
Revisiting Equilibrium for Gas Liquid and Vapor Liquid Operations (11:06)
Raoult's Law Revisited for Equilibrium Operations (2:00)
Ex. Application of Raoult's Law to a Binary System (7:22)
Henry's Law - Revisited (2:06)
Ex. Henry's Law used in Saturation of Oxygen & Solubility (5:54)
5.2 Theories for Diffusion between Phases
Interphase Mass Transfer (5:11)
Theories for Interphase Mass Transfer (2:09)
Original Film Theory (9:12)
Ex. Calculating Mass Transfer Coefficient and Film Thickness with Film Theory in a Packed Absorber (9:23)
The Penetration Theory (6:19)
Surface Renewal Theory (6:12)
Film Penetration Model (3:02)
Surface Stretch Theory (1:23)
Summary of Interphase Mass Transfer Theories (1:51)
Overview of the Two Film - Two Resistance Theory (3:06)
5.3 Two Film Theory Applied to Industrial Processes
Films in Gas Absorption (3:12)
Review of Film Concept for Mass Transfer Operations (1:56)
Film-Film Interaction in the Two Resistance Theory (5:16)
Two Film Theory & Equilibrium Solubility Curve for Gas Absorption (7:38)
Analysis of Mass Transfer Process using Two Film Theory (4:25)
Mass Transfer Coefficients in Two Film Theory (3:00)
Local Mass Transfer Coefficients (kx & ky) (5:57)
Overall Mass Transfer Coefficients (KX & KY) (4:03)
Task - Overall Mass Transfer Coefficient (2:01)
Local vs. Overall Mass Transfer Coefficients (2:43)
Mass Transfer Resistance (1/kx & 1/ky) (2:25)
Analysis of Gas Solubility using Mass Transfer Coefficients & Resistances (9:41)
Ex. Mass Transfer Coefficients Resistance in Gas Absorption (Local & Overall) (10:01)
Ex. Gas Absorption of SO2 into Water (Local vs Overall MTC) (7:59)
Section 5 - Closure (1:12)
Test Yourself! Section 5
Conclusion
Course Closure! (2:15)
What we learnt :) (6:34)
Continue your Training! (2:46)
Ex. Calculating Mass Transfer Coefficient and Film Thickness with Film Theory in a Packed Absorber
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