Zinc & Lead-Zinc Export Programme
Karachi, Pakistan
Zinc and lead-zinc ore stockpiled at our Karachi yard, inspected by SGS and shipped in containers to processors in China.
1,158 tShipped Aug–Sep 2024
Jhung, Punjab, Pakistan
Jhung Copper Processing Plant
Crushing, grinding and flotation: turning copper ore into concentrate.
Crush · Grind · FloatFull concentrator circuit
Overview
About the project
Run-of-mine copper ore is crushed in a jaw crusher and carried by belt conveyors to the grinding section, where a ball mill works in closed circuit with a spiral classifier.
Ground ore passes through banks of froth-flotation cells that separate the copper minerals. The concentrate is thickened in settling tanks, dried in the yard and bagged for dispatch.
Process equipment
From run-of-mine ore to concentrate.
Three stages, each on site and on camera: crushing, grinding and flotation.
- Stage 01
Crushing & conveying
Reducing ore to mill feed.
Jaw crusher
Primary crushing
Breaks run-of-mine ore fed from the hopper.
Belt conveyors
Materials handling
Carry crushed ore between the crushing and grinding sections.
- Stage 02
Grinding & classification
Liberating the copper minerals.
Ball mill
Wet grinding
Grinds ore fine enough to free the copper minerals.
Spiral classifier
Closed-circuit sizing
Returns oversize to the mill and sends fines on to flotation.
- Stage 03
Flotation & dewatering
Recovering and drying the concentrate.
Froth-flotation cells
Copper recovery
Separate copper minerals from waste rock into a concentrate.
Reagent tanks
Reagent dosing
Supply the flotation reagents that make the separation work.
Settling tanks & drying yard
Dewatering
Thicken and dry the concentrate before it is bagged.
From the field
See it on the ground.
Gallery
On site
Banks of froth-flotation cells 
Spiral classifier returning oversize to the mill 
Feed hopper above the jaw crusher 
Crushed ore on the belt conveyor 
Reagent tanks on the dosing platform 
Copper concentrate drying in the yard 
Bulk bags of copper concentrate ready for dispatch
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