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Copper Recovery from Low-Grade Copper Oxide Ore

     

Process Method for Copper Recovery from Low-Grade Copper Oxide Ore

This method enables the efficient utilization of low-grade copper oxide ore resources, and is particularly suitable for treating alkaline copper-bearing oxide ores. Its process characteristics are as follows: After fine grinding, the ore is made into pulp and subjected to leaching with added reagents. The leached pulp then undergoes four-stage thickening counter-current washing. The raffinate produced from the pregnant solution through the solvent extraction-electrowinning (SX-EW) process is recycled back to the ore grinding, pulp preparation and leaching section.

The reagents used in this process are recyclable with no net reagent consumption. Featuring a simple process flow, low production cost, this method generates favorable economic and social benefits.

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