Xüsusi zənginləşdirmə üsullarıSyllabus

Subject code

İFS-36127y

Credits

7

Student workload

210

Semester

Autumn semester

Academic year

—

Subject type

Elective

Form of education

Full-time

Language of instruction

Azerbaijani

In-class hours

a) 45 saat - mühazirə b) 15 saat – məşğələ

Out-of-class hours

a) 90 saat – sərbəst iş b) 60 saat - hazırlıq

Bu kurs mürəkkəb tərkibli, çətin zənginləşən filizlərin və qeyri-ənənəvi xammal bazasının emalı üçün tətbiq edilən spesifik və qabaqcıl texnologiyaları öyrədir. maqnit, elektrik, radiometrik və xüsusi kimyəvi zənginləşdirmə üsullarının fiziki-kimyəvi əsasları və bu proseslərdə istifadə olunan sənaye aparatları ətraflı şərh edilir. çoxkomponentli xammallardan nadir elementlərin ayrılması, xüsusən də yüksək entropiyalı ərintilərin (hea) istehsalı üçün lazım olan spesifik konsentratların alınması metodları ön plana çıxarılır. standart mexaniki üsulların effektsiz olduğu hallarda rasional texnoloji alternativlərin seçilməsi bacarıqları formalaşdırılır.

• lecture
• interactive discussion
• seminar
• presentations

1. 1

   CLO 1: At the end of this subject, the student has fundamental knowledge about unconventional and advanced technologies applied in mineral enrichment. the student studies the physical-chemical basis of optical, radiometric, magnetic, electrical and biotechnological (bacteriological) enrichment methods and the working principle of the equipment used in these methods. in the framework of the course, the industrial application and efficiency of selective separation methods based on differences in the physical properties of minerals are analyzed. the student acquires the ability to design complex (combined) beneficiation schemes for the processing of complex ores. in doing so, the student acquires the high technical training necessary for modern and innovative beneficiation engineering.

1. 1.
   Introduction. general information. classification of special enrichment methods.Lecture

   An introduction to special beneficiation methods of minerals. fields of application of these methods, economic importance and differences from traditional methods (flotation, gravity). classification of methods according to physical and chemical principles.

2. 2.
   Sorting: theoretical basis and equipment of manual and mechanical sorting.Lecture

   Classification of ores according to color, luster and shape. the history of manual sorting and the working principle of modern mechanical (automated) sorting equipment.

3. 3.
   Optical separation method, theoretical bases and equipment.Lecture

   Optical separation based on light reflection, emission and luminescence properties of minerals. construction and industrial application of photometric and luminescence separators.

4. 4.
   Radiometric method, theoretical basis and equipment.Lecture

   Separation based on natural radioactivity or artificially generated radiation properties. application of x-ray and gamma radiation separators.

5. 5.
   Enrichment method for firmness and bulkiness.Lecture

   Selective crushing and screening processes based on the difference in mechanical strength (hardness) of rocks. theoretical basis of differentiation of fractions by size.

6. 6.
   Detailed information about the decryption method.Lecture

   The process of self-crushing (decryption) of some minerals due to the stresses inside the crystals or the expansion of gas-liquid contents during heating. theory of thermal decomposition.

7. 7.
   Theoretical basis of chemical alkalization.Lecture

   Chemical alkalization (leaching), which is the basis of hydrometallurgy. selection of solvents, thermodynamic and kinetic laws. cyanization and acid leaching processes.

8. 8.
   Theoretical basis of bacteriological alkalization.Lecture

   Extraction of metals from sulphide ores with the help of microorganisms (for example, thiobacillus ferrooxidans) (bioleaching). environmental and economic advantages of the biological oxidation process.

9. 9.
   Magnetic enrichment method. theoretical basis of the process.Lecture

   Separation process based on differences in magnetic susceptibility (ferromagnetic, paramagnetic, diamagnetic) of minerals. the intensity of the magnetic field and the role of the lines of force.

10. 10.
    Electromagnetic separators, types, working principles.Lecture

    Construction of dry and wet electromagnetic separators. working principles of weak and strong magnetic field separators, adjustment of magnetic systems.

11. 11.
    Electromagnetic enrichment schemes, types, their explanation.Lecture

    Sequential magnetic circuits used in beneficiation of ferrous and rare metal ores. technological mode parameters of basic, control and cleaning operations.

12. 12.
    Electrical enrichment method. theoretical basis of the process.Lecture

    A method based on differences in electrical conductivity, dielectric permittivity, and frictional electrification of minerals. separation theory in electrostatic and corona discharge fields.

13. 13.
    Electrical separators, types, working principles.Lecture

    Drum, plate and free-fall type electric separators. types of electrodes that create a corona discharge (corona) and installation schemes of machines.

14. 14.
    Electrical enrichment schemes, types, explanation.Lecture

    Schemes of enrichment of rare metal raw materials (for example, titanium-zirconium powders) in the electric field. combination of the process with other methods.

15. 15.
    Other special enrichment methods, promising methods.Lecture

    Innovative and promising enrichment methods such as ultrasound, microwave, artificial intelligence-based sensor separators (sensor-based sorting) and plasma technologies.

1. V.g. samoylik, "special and combined methods of beneficiation of useful ores", teaching manual., 2015