SubjectsSubjects(version: 898)
Course, academic year 2021/2022
  
Dispesions systems II - B409013
Title: Disperzní systémy II
Guaranteed by: Department of Chemical Engineering (409)
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 [hours/week]
Capacity: unlimited / unlimited (unknown)
Min. number of students: unlimited
Language: Czech
Teaching methods: full-time
Level:  
For type:  
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 -
Last update: Pátková Vlasta (15.01.2018)
The subject includes more difficult topics from the chemical-engineering theory of dispersions. Besides common dispersions we treat systematically also polymeric systems.
Aim of the course -
Last update: Pátková Vlasta (15.01.2018)

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.

Literature -
Last update: Pátková Vlasta (15.01.2018)

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.

Learning resources -
Last update: Pátková Vlasta (15.01.2018)

PowerPoint presentations will be given after lessons.

Teaching methods -
Last update: Pátková Vlasta (15.01.2018)

Lectures and seminars.

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

Two written tests. Oral exam.

Syllabus -
Last update: Pátková Vlasta (15.01.2018)

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.

Registration requirements -
Last update: Pátková Vlasta (15.01.2018)

Dispersion systems I.

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
4 / 4 112 / 112
 
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