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Flotation of Mineral Raw Materials and Wastes

Type of study Doctoral
Language of instruction English
Code 546-0979/02
Abbreviation FNSO
Course title Flotation of Mineral Raw Materials and Wastes
Credits 10
Coordinating department Department of Environmental Engineering
Course coordinator prof. Ing. Vladimír Čablík, Ph.D.

Subject syllabus

The essence flotation, its historical development and significance. Terminology and classification of flotation in the physico-chemical and electrochemical processes of the separation of substances.
Structure and composition of the phases in the flotation process (solid, liquid and gas), the properties of the solid phase. Flotovatelnost as a property of the solid phase methodology of determination.
Elementary flotation act-thermodynamic characteristics of the flotation process.
Physical fundamentals of flotation. The equation of balance of physical forces on the three-phase contact. The particle size and the gas bubbles in the flotation conditions.
Probabilistic characteristics of flotation.
Chemical basis of flotation. Flotation reagents, their classification and role in the process. Adsorption at interfaces.
Flotation collectors, their chemical nature and mechanisms of their action in the water-repellency of solid phase.
Collectors, the major types and characteristics.
The flotation frother, their classification, chemical characteristics and methods of sorption. Function warbler interfacial gas-liquid. Formation and properties of two-and three-phase flotation foam. Measurement of foaming.
Control flotation reagents, their distribution according to the role and effect of flotation. Mechanisms of flotation agents activating suppressors and modifiers.
Machine-technical equipment flotation.
Flotators mechanical, pneumatic, combined, strange and development. Flotation device for wastewater treatment. The auxiliary technical equipment for flotation.
HR - curve, M - curve
Classification of the machining operations and schemes flotation. Examples of flotation technology of coal, ores, industrial minerals.
Flotation in water treatment.

Literature

FUERSTENAU M.C., JAMESON G.J. Froth Flotation: A Century of Innovation. Soc. for Mining, Metallurgy, and Exploration, 2007.
BULATOVIC S.M. Handbook of Flotation Reagents: Chemistry, Theory and Practice. Volume 1: Flotation of Sulfide Ores. Elsevier. Page 458. 2007.
NGUYEN A.V., SCHULZE H.J. Colloidal science of flotation. Marcel Dekker, Inc., New York, 2004, ISBN 0-8247-4782-8.
CROZIER D.R. Flotation-Theory, Reagents and Ore Testing. Pergamon, 1992, ISBN 0-08-041864-3.

Advised literature

MOHD N.A., PUGANESHWARY P., HAMIDI A.A. Optimization of coagulation and dissolved air flotation (DAF) treatment of semi-aerobic landfill leachate using response surface methodology (RSM). Desalination, Volume 277, Issues 1-3, 15 August 2011, Pages 74-82.
SUBRAMANYAN V., JOTHINATHAN L., GANAPATHY S. Effects of alternating and direct current in electrocoagulation process on the removal of cadmium from water. Journal of Hazardous Materials, Volume 192, Issue 1, 15 August 2011, Pages 26-34.
WILLS, B.,A. and T., J. NAPIER-MUNN. Mineral Processing Technology. Oxford: Elsevier, 2006. 7. ISBN 978-0-7506-4450-1.
ZOUBOULIS A. I., AVRANAS A. Treatment of oil-in-water emulsions by coagulation and dissolved-air flotation. Colloids and Surfaces A: Physicochemical and Engineering Aspects, Volume 172, Issues 1-3, 25 October 2000, Pages 153-161.