The internship summary describes an internship at the KOKTASZHAL copper-gold mining site in Kazakhstan. The site uses a non-truck technology and the largest mobile crusher in the world to crush copper-gold ore grading 0.54% copper and 0.5 g/ton gold. During the internship, the individual studied plant processes, maintained machinery documents, trained future operators, worked as a crusher plant operator, and became familiar with crushing and grinding flowsheets and the plant operator's control panel.

1. Internship Summary
Andrey Korotkov
Kazakhstan, Altay Polymetalls,
“KOKTASZHAL” Site

2. Ore Mined
• Copper-Gold Ore
Grade:
Cu: 0.54% Au: 0.5 g/ton

3. Quick Facts about the site
• The non truck technology is used
• Biggest in the World mobile Crusher LT 200
• Ability to crush the material to 90% #3mm
(lower production costs)

4. Site Layout

5. Crushing
• Primary crushing stage: LT 200 mobile crusher
(in the quarry)
• Secondary crushing stage: GP 500S crusher
• Tertiary crushing stage: HP6 crusher
• Quaternary crushing stage: Barmac B9100SE

6. Crushing Process Simulation

7. Grinding
• 2 Identical Vertimills in the head of the
grinding process. (Grinding section was
incomplete at the moment)

8. Grinding Flowsheet

9. Internship Duties Performed
• Studied processes of the Plant
• Became familiar with machinery maintenance
documents
• Participated in training of the future operators of the
crushing plant (Responsible for primary process
training)
• Worked as an operator of the crushing plant
• Became familiar with crushing and grinding flow
sheets

10. Control Panel of the Plant Operator