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Polyacrylamide for Copper

  • 1. Sedimentation of the Copper Concentrate/ Flotation Tailings:
  • Match Item No.: A161, A164, A174, A176
  • 2. Filtration Aid of the Thickened Tailings/Thickened Copper Concentrate.
  • Match Item No.: A164, A174, A176

The ore is crushed and ground to separate the copper-bearing mineral from the wasted materials or gangue. The separated ores will be further crushed by ball mills. The final material particle size will be less than 100 microns.

 

During the final milling collectors are added to the slurry which preferentially absorb the copper sulphide and make the sulphide particles hydrophobic. These copper minerals are then concentrated by flotation when air bubbles are pumped into the slurry. Frother is normally added to the slurry to stabilize the copper particle to be loaded in bubbles at the top of the slurry when creating froth. The slurry or tailings from the flotation lagoons will be delivered to thickener where flocculants are added to promote rapid sedimentation and generation of a clear overflow, which returns to the process water circuit. The thickened tailings are normally further dewatered by filtration where a flocculant is added as a filtration aid.

 

The copper laden froth (copper concentrate) is removed from the overflow by mechanical means and is then thickened and dewatered where flocculants are used to improve the sedimentation and filtration rates. The resultant concentrate or cake contains approximately 25 to 35% copper, which is then recovered by pyrometallurgical processing.

 

Grade

Ionicity

Molecular

Weight

Ion Charge

Density

Application

A161

Anion

Medium-High

Low

A

A164

Anion

Medium-High

Medium

A, B

A174

Anion

High

Medium

A, B

A176

Anion

High

Medium-High

A, B

 

A: Sedimentation of the copper concentrate/ flotation tailings.

B: Filtration aid of the thickened tailings/thickened copper concentrate.

Shandong Welldone Environmental New Materials Co.,Ltd.

Tel:+86-13953376960

Contact Person:Mr. Michael Guo

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