SubjectsSubjects(version: 955)
Course, academic year 2023/2024
Dispesions systems II - B409013
Title: Disperzní systémy II
Guaranteed by: Department of Chemical Engineering (409)
Faculty: Faculty of Chemical Engineering
Actual: from 2021
Semester: winter
Points: winter s.:4
E-Credits: winter s.:4
Examination process: winter s.:
Hours per week, examination: winter s.:2/1, C+Ex [HT]
Capacity: unlimited / unlimited (unknown)
Min. number of students: unlimited
State of the course: taught
Language: Czech
Teaching methods: full-time
Teaching methods: full-time
Note: course can be enrolled in outside the study plan
enabled for web enrollment
Guarantor: Kosek Juraj prof. Dr. Ing.
Štěpánek František prof. Ing. Ph.D.
Interchangeability : N409072
Annotation -
The subject includes more difficult topics from the chemical-engineering theory of dispersions. Besides common dispersions we treat systematically also polymeric systems.
Last update: Pátková Vlasta (15.01.2018)
Aim of the course -

Students shall be able to:

1. Understand number of theoretical concepts of dispersion systems - starting from characterization up to their manufacturing.

2. Design or modify various methods of the preparation of dispersion systems.

3. Understand relationships between dispersion characteristics and their application properties.

4. Apply the knowledge of polymerization proceses.

Last update: Pátková Vlasta (15.01.2018)
Literature -

R: Young R.J., Lovell P.A.: Introduction to Polymers (3rd edition), CRC Press (2011). ISBN-13: 978-0-8493-3929-5.

R: Hunter R.J.: Introduction to Modern Colloid Science, Oxford University Press (1996). ISBN: 0-19-855386-2.

A: Hinds W.C.: Aerosol Technology, Wiley (1999). ISBN-13: 978-0-471-19410-1.

A: Mewis J., Wagner N.J.: Colloidal Suspension Rheology, Cambridge Univ. Press (2012). ISBN-13: 978-0-521-51599-3.

Last update: Pátková Vlasta (15.01.2018)
Learning resources -

PowerPoint presentations will be given after lessons.

Last update: Pátková Vlasta (15.01.2018)
Teaching methods -

Lectures and seminars.

Last update: Pátková Vlasta (15.01.2018)
Requirements to the exam -

Two written tests. Oral exam.

Last update: Pátková Vlasta (15.01.2018)
Syllabus -

1. Diffusion in the system of inert particles. Maxwell-Boltzmann distribution of velocities. Brownian motion and diffusion. Stokes-Einstein relationship.

2. Mixing and segregation of particles. Mechanisms of segregation and statistical characterization of mixture inhomogeneity. Procedures to avoid/reduce inhomogeneity.

3. Electrostatic interactions of particles in gas-dispersion systems. Various mechanisms of powder charging. Dynamics of the charge dissipation from particles.

4. Atmospheric aerosols. Aerosols and human health (respiratory system). Aerosols and the danger of explosion.

5. Coagulation, General qualitative description polydisperse coagulation. Coagulation driven by diffusion or shear rate.

6. Material structure and transport of heat on micro- and nano-scale. Transport of heat in nano-pores. Heat micro-pipe. Aerogels and their manufacturing.

7. Rheology and thixotropy of colloid and dispersion systems. Visco-elasticity. Paints: rheology and film-forming process.

8. Membrane separations: gas permeation, pervaporation, dialysis, reverse osmosis, electro-dialysis.

9. Membrane separations: membrane structure for various types of separations.

10. Preparation of food dispersins. Ice cream. Dairy products.

11. Preparation of nano-structured materials by the method of colloidal templating.

12. Polymers as dispersion systems. Chain length distribution and other charactristics of molecular architecture.

13. Polycondensation. Flory-Schulz distribution of chain length.

14. Free-radical and catalytic polymerization.

Last update: Pátková Vlasta (15.01.2018)
Registration requirements -

Dispersion systems I.

Last update: Pátková Vlasta (15.01.2018)
Teaching methods
Activity Credits Hours
Účast na přednáškách 1 28
Příprava na přednášky, semináře, laboratoře, exkurzi nebo praxi 0.5 14
Příprava na zkoušku a její absolvování 2 56
Účast na seminářích 0.5 14
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