Introductory video

Adsorption

Biosorption

Absorption vs. Adsorption

Quiz

Key processes in sorption

Advantages

Sorbates

Biosorbents

Introduction

Physical modification methods

Chemical modification methods

What are isotherms?

Freundlich model of adsorption

Langmuir model of adsorption

Isotherm quiz

Determination of an isotherm

Prepare a Cu stock solution

Solution: How to prepare a Cu stock solution

How to prepare a Cu dilution series

Solution: How to prepare a Cu dilution series

Mix the different Cu solutions with the adsorbent

Wait for the equilibrium to settle

Dilute the resulting Cu solutions

Measure the Cu concentration

Calculate the equilibrium Cu concentration in solution and the equilibrium Cu loading on the adsorbent

Fit the Freundlich and Langmuir isotherm

Solution: Fit the Freundlich and Langmuir isotherm

Plot the isotherm

Draw conclusions

Solution: Draw conclusions

Introductory video

Models to describe sorption kinetics

Complete the matrix

Solution: Complete the matrix

What do the equation parameters mean?

Solution: What do the equation parameters mean?

Elovich's vs. Ritchie's equation

First or second order

Solution: First or second order

Fit the curves

Solution: Plot the curves

Introduction

Recap: reactor types

Question 1: Batch reactor

Solution 1: Batch reactor

Question 2: CSTR 1

Solution 2: CSTR 1

Question 3: CSTR 2

Solution 3: CSTR 2

Question 4: 2 CSTRs configuration 1

Solution 4: 2 CSTRs configuration 1

Question 5: 2 CSTRs configuration 2

Solution 5: 2 CSTRs configuration 2

Question 6: Fixed bed column model

Solution 6: Fixed bed column model

Sorption column operation

Comparison of the different reactors

Concluding video

What did you learn?

How can we improve this course?

Read what others want to improve on this course

Further readings