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The aim of the course is to familiarise students with the chemical engineering description of phenomena, laboratory and industrial processes during which dispersions or other structured multiphase systems are formed or play a crucial role.
Last update: Šoóš Miroslav (15.02.2018)
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After completing the course, the students will be able to:
Last update: Pátková Vlasta (15.01.2018)
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Z: R.F. Probstein, Physicochemical hydrodynamics, Wiley, 1994 Z: L.L. Schramm, Emulsions, Foams and Suspensions, Wiley, 2005 Z: Bohren & Huffman, Absorption and scattering of light by small particles, Wiley 1983 Z: J. N. Israelachvili, Intermolecular and Surface Forces, Elsevier 2011 Z: Perry’s Chemical Engineers’ Handbook, McGraw-Hill 1997 Z: Butt H.-J., Graf K. and M. Kappl, Physics and Chemistry of Interfaces, Wiley 2003 Last update: Šoóš Miroslav (15.02.2018)
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1. Definition of dispersion, particle size distribution (PSD) and other characteristics 2. Experimental characterization of PSD (image analysis, Coulter counter, light scattering) 3. Interaction forces between particles (van de Waals attraction force) 4. Electrostatic repulsion, Debye length, surface vs. zeta potential, DLVO theory 5. Interfacial energy, contact angle, capillary forces, Young-Laplace equation, surface tension measurement, Brownian motion 6. Coagulation and coalescence, kinetics and thermodynamic stability of dispersions, Population balance equation (PBE) 7. Surfactants (classification and examples), Hydrophilic-Lipophilic-Balance (HLB), critical micellar concentration (CMC) 8. Phase diagram for L-L systems, Extraction, emulsion preparation methods 9. Phase diagram for S-L systems, solid dispersion, conglomerate, co-crystal, nucleation, Ostwald ripening 10. S-L dispersions (precipitation, emulsification and flame synthesis) 11. S-L dispersions (milling and high pressure homogenization) 12. G-L dispersions (spray drying, nebulizer, electrospray and inkjet) 13. Solid materials (synthesis and characterization) 14. Transport processes in porous media (mass and heat) Last update: Šoóš Miroslav (15.02.2018)
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http://www.vscht.cz/uchi/ped/index.html Last update: Pátková Vlasta (15.01.2018)
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Physics I Last update: Pátková Vlasta (15.01.2018)
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Teaching methods | ||||
Activity | Credits | Hours | ||
Účast na přednáškách | 1.5 | 42 | ||
Příprava na přednášky, semináře, laboratoře, exkurzi nebo praxi | 2 | 56 | ||
Příprava na zkoušku a její absolvování | 2 | 56 | ||
Účast na seminářích | 1.5 | 42 | ||
7 / 7 | 196 / 196 |