542-0402/05 – Flotation (FLOT)

Gurantor departmentDepartment of Mining Engineering and SafetyCredits8
Subject guarantordoc. Ing. Jiří Botula, Ph.D.Subject version guarantordoc. Ing. Jiří Botula, Ph.D.
Study levelundergraduate or graduateRequirementCompulsory
Year3Semesterwinter
Study languageCzech
Year of introduction2005/2006Year of cancellation
Intended for the facultiesHGFIntended for study typesBachelor
Instruction secured by
LoginNameTuitorTeacher giving lectures
BOT40 doc. Ing. Jiří Botula, Ph.D.
CEH25 Ing. Dagmar Čechová, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+3
Combined Credit and Examination 18+0

Subject aims expressed by acquired skills and competences

Object of study is conversant of students with principles of flotation, understanding surface phenomena on interface of phases and possibilities their influencing by the help of flotation agents.

Teaching methods

Lectures
Tutorials
Experimental work in labs

Summary

Předmět seznamuje studenty s podstatou flotační úpravy nerostných surovin.Vysvětluje povrchové jevy na rozhraní flotačních fází a možnosti jejich ovlivnění pomocí flotačních reagencií.

Compulsory literature:

WiLLs, B.A.,Wills’ Mineral Processing Technology. An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 2006, ISBN 0-7506-4450-8

Recommended literature:

Froth flotation : a century of innovation / edited by Maurice C. Fuerstenau, Graeme Jameson and Roe-Hoan Yoon. - Littleton : Society for Mining, Metallurgy, and Exploration, c2007 - ix, 891 s. : il. + 1 CD-ROM ISBN 978-0-87335-252-9

Way of continuous check of knowledge in the course of semester

E-learning

Další požadavky na studenta

Submitting required reports on laboratory exercises

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: 1. The essence of flotation and its focus. Historical development of flotation and an overview of current flotation research. 2. Structure and composition of phases in the flotation system. 2.1 The structure of solid phase, crystal-chemical mineral properties, ideal and real crystals. 2.2 Physical, chemical and electrochemical properties of solid phase. 3. Liquid phase - structure and properties of water and their impact on flotation. Minerals solubility and floatability. 4. Gaseous phase - air in the flotation process. Solubility of gases in water, development of microbubbles of gaseous phase in the flotation environment. 5. Interfaces and their mutual characteristics. 5.1. Liquid-gas phase interface. 2.5 Solid-gas phase interface. 3.5 Solid-liquid phase interface. 5.4 Three-phase contact – an elementary flotation act. Hysteresis phenomena. 6. Physical principles of flotation. 6.1. Study of motion of solid phase particles in a flotation environment. General diagram of forces connecting mineral grains and air bubbles, the balance equation. 6.2 The size of air bubbles and the size of grains in the flotation. 6.3 Probability of flotation and flotation kinetics. 7. Chemical principles of flotation. 7.1 Flotation reagents and mechanisms of their action. 7.2 Classification of flotation reagents and their characteristics. 7.3 Flotation collectors and their effect on the interface of solid-liquid phase. 7.4 Flotation frothers and their characteristics, their sorption in the liquid-gas phase interface. 7.5 Control reagents and mechanisms of their influence. 8. Flotation machines and equipment. Basic functional parameters. 8.1 Mechanical flotation machine - principles, functions, basic types. 8.2 Air flotation machine - principles, functions, basic types. 8.3 Pneumatic-mechanical (combined) flotation machine - principles, functions, basic types. 8.4 Other design of flotation machines, including types of development. 8.5 Auxiliary machinery equipment of flotation plants. 9. Technology of the flotation process. 9.1 Factors affecting the progress and real results of flotation. 9.2 Technological options and schemes of flotation. 9.3 Flotation of coal. 9.4 Flotation of sulfide and other ores. 9.5 Flotation of non-ore raw materials. 9.6 Flotation in a separation of the components of commercial waste. 9.7 Flotation in wastewater treatment. 10. Optimization, automation and intensification of the flotation process. 11. New directions in research and development of the flotation process. Seminars: 1. Flotation of black coal 2. Flotation of polymetallic ores 3. Evaluation of floatability of black coal 4. Foam separation of black coal 5. Column flotation 6. Flotation of wastewater containing fat components 7. Flotation kinetics 8. Optimization of coal flotation by analysis of variance 9. Evaluation of foaming and foam stability 10. Determination of a surface tension of liquids 11. Determination of natural floatability by using a Halimond tube

Conditions for subject completion

Combined form (validity from: 2012/2013 Winter semester, validity until: 2014/2015 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 33  10
        Examination Examination 67  51
Mandatory attendence parzicipation:

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Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2019/2020 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2019/2020 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Ostrava 3 Compulsory study plan
2018/2019 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2018/2019 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Ostrava 3 Compulsory study plan
2018/2019 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2017/2018 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Ostrava 3 Compulsory study plan
2017/2018 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2017/2018 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2016/2017 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2016/2017 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Ostrava 3 Compulsory study plan
2016/2017 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2015/2016 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Ostrava 3 Compulsory study plan
2015/2016 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2015/2016 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2014/2015 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2014/2015 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Ostrava 3 Compulsory study plan
2014/2015 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2013/2014 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2013/2014 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2013/2014 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Ostrava 3 Compulsory study plan
2012/2013 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2012/2013 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2011/2012 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2011/2012 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2010/2011 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2010/2011 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2009/2010 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2009/2010 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2008/2009 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2008/2009 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2007/2008 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2007/2008 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan
2006/2007 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling P Czech Ostrava 3 Compulsory study plan
2006/2007 (B2102) Mineral Raw Materials (2102R013) Processing of Raw Materials and Recycling K Czech Most 3 Compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner