Course detail
Ultrasonic Sonochemistry
FSI-9USCAcad. year: 2017/2018
The course initially instructs students of material science and chemistry about general principles of acoustic cavitation, bubble dynamics and factors which influence cavitation. The next part of the course incorporates a series of applications of sonochemistry which illustrate the types of physical and chemical effects of ultrasonically induced cavitation which will interest chemists and engineers alike. The final part reviews the range of ultrasonic equipment available in the laboratory and the progress made towards the scale-up of sonochemistry.
Language of instruction
Number of ECTS credits
Mode of study
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Learning outcomes of the course unit
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Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
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Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Mason T. J., Lorimer J. P.: Applied Sonochemistry, Wiley-VCH, Weinheim 2002
van Eldik R., Hubbard C. D.: Chemistry under Extreme or Non-classical Conditions, Wiley, New York 1997
Recommended reading
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
- longitudinal and transverse waves (acoustic pressure)
- intensity and pressure amplitude
- sound adsorption
- bubble formation and cavitation threshold (effects of: particulate
matter, viscosity of medium, applied frequency, temperature;
motion of the bubble in US field; transient and stable cavitation)
2. Synthesis
- sites for sonochemical reactions (homogeneous liquid phase 
generation of radicals; heterogeneous systems: liquid – liquid
interface, solid – liquid interface  fragmentation, abrasion,
fusion).
- laws of sonochemistry
- homogeneous and heterogeneous sonochemistry (actions of US in homo- and heterogeneous systems)
- sonochemical preparation of powders and nanostructured materials
(results and their interpretations)
- sonochemical synthesis and degradation of polymers (mechanisms and
kinetics)
- sonoelectrochemistry ( electrooxidative and electroreductive
syntheses, organometallic synthesis)
3. US equipments and chemical reactor design
- piezoelectric and magnetorestrictive transducers
- ultrasonic apparatus – types (ultrasonic cleaning bath, direct
immersion sonic horn)
- laboratory scale US reactors
- practical considerations for process optimisation (optimisation
process for homogeneous and heterogeneous systems, combinations of
US with other techniques, recommendations for correct use of US
equipment)