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The course Electrochemical Technologies deals with the use of electrochemical processes for the preparation of primarily inorganic elements and compounds. In general there are processes taking place at the interface between the electrode - electrolyte with the conversion of electrical energy into chemical.
Electrochemical processes utilizing mainly the cathodic reduction of electrode reaction
encountered as in preparation of the alkali metal amalgam in mercury production process of the alkali hydroxides, the electrochemical production of hydrogen, or electroplating excretion of metals and alloys and electrochemical production of metals.
Electrochemical processes utilizing mainly anodic oxidation electrode reactions are the basis for the electrochemical production of chlorine, electrolytic production of potassium permanganate, or electrochemical refining of metals.
The course is also focused attention on electromembrane processes for separation of ions in solution. Separation of ions may precede the cathodic or anodic reaction, such as in a membrane electrolysis of sodium chloride to obtain chlorine and sodium hydroxide, or in membrane fuel cell.
Electrothermal processes involve technological processes in which the power used to achieve the high temperatures needed to carry out chemical reactions, e.g. in the preparation of white phosphorus, as a raw material for the production of thermal phosphoric acid.
Individual processes are analyzed in terms of chemical engineering, technological and also in terms of environmental protection, as conditions conversion of mercury production process chlorine and sodium hydroxide to modern membrane process.
Last update: ROZ105 (15.08.2013)
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Students will be able to: understand the issue of technical electrochemistry with regard to production technology. know the production steps of main electrochemical technologies. understand the impact of electrochemical technologies on the environment. Last update: ROZ105 (15.08.2013)
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R: D. Pletcher and F.C. Walsh: Industrial Electrochemistry, 2nd Edition, Chapman and Hall, London, 1990 ISBN 0-4123-0410-4 R: V. Srb:Anorganická technologie IV-Elektrolytická výroba anorganických látek,skripta VŠCHT Praha 1967 A: K. Kordesch a G. Simander: Fuel Cells and Their Applications, VCH, Weinheim 1996,ISBN 3-527-28579-2 A: A. Kuhn (Editor): Industrial Electrochemical Processes, Elsevier, Amsterdam 1971 ISBN 0444408851 A: A. Regner: Technická elektrochemie 1, Elektrochemie anorganických látek, Academia Praha 1967 Last update: ROZ105 (02.07.2013)
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Znalosti předmětu v rozsahu uvedeného sylabu. Zkouškový test + Ústní zkouška. Last update: Paidar Martin (16.11.2012)
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1. Industrial electrochemistry, basic terms. Electrolyzers. 2. Materials for a cathodic and for anodic application; diaphragm; membranes. 3. Hydrogen as energy storage and carrier medium. Hydrogen supply and storage. 4. Water electrolysis, hydrogen and oxygen production. Hydrogen economy. 5. Chlor-Alkali industry. 6. EUROCHLOR standards. Mercury mass balance. 7. Chemical production of chlorine. Treatment of waste hydrochloric acid. 8. Chlorine based disinfections agents 9. Electrochemical surface treatment 10. Anodic dissolution of metals. Electrorefining. 11. Production of KMnO4, MnO2 12. Electro-membrane separation processes. Desalination 13. Electrolysis of molten salts. Aluminium production. 14. High temperature electroprocesses. Production of phosphorus and termic H3PO4. Last update: Paidar Martin (12.03.2009)
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Documents BREF: http://www.ippc.cz/obsah/viewtopic.php?t=39 Last update: ROZ105 (02.07.2013)
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Elementary Mathematics, Basic Chemistry Last update: ROZ105 (02.07.2013)
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| 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 | 1.5 | 42 | ||
| 3 / 3 | 84 / 84 | |||
| Coursework assessment | |
| Form | Significance |
| Examination test | 20 |
| Oral examination | 80 |