The National University Company's scientific and technological achievements won the Shandong Provincial Circular Economy Science and Technology Award

Recently, the scientific and technological achievement of "Research and Application of Comprehensive Recovery and Recycling of Copper Extraction Residue from Roasting and Leaching Extraction Process" declared by National University Company won the second prize of Shandong Provincial Circular Economy Science and Technology Award, and received the honorary certificate issued by Shandong Provincial Circular Economy Association.


Recently, the scientific and technological achievement of "Research and Application of Comprehensive Recovery and Recycling of Copper Extraction Residue from Roasting and Acid Leaching Extraction Process" declared by Guoda Company won the second prize of Shandong Provincial Circular Economy Science and Technology Award, and received the honorary certificate issued by Shandong Provincial Circular Economy Association.
This technological achievement was independently developed by Guoda Company. It belongs to the field of gold mine resource beneficiation, smelting, and process wastewater recovery and recycling technology. Through key technologies such as precious metal recovery from copper extraction residue, efficient activation flotation recovery of copper, and zinc precipitation recovery, it realizes the organic integration of comprehensive recovery of copper extraction residue and multi-element comprehensive recovery of cyanide tailings flotation, achieving integrated process technology.
After industrial application, the project can annually process 620,000 cubic meters of copper extraction residue, economically and reasonably recovering valuable metals such as gold, silver, copper, and zinc in the copper extraction residue. The production operation is reliable, the indicators are stable, zero wastewater discharge and comprehensive resource utilization are achieved, significant economic and social benefits are obtained, and the overall technology is at the advanced level in China.

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