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| Application of the Principle of Minimum Chemical Reaction Equivalent in Research and Development of Nonferrous Metallurgy Technology |
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Received:June 27, 2024
Revised:July 03, 2024
Accepted:July 08, 2024
Published Online:October 29, 2024
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| DOI：doi：10.3969/j.issn.1007-7545.2024.11.016 |
| KeyWord:the minimum chemical reaction equivalent principle; complex and refractory resources; nonferrous metallurgy; pressure leaching |
| Author | Institution |
| JIANG Kaixi |
福州大学,矿冶科技集团有限公司 |
| WANG Haibei |
矿冶科技集团有限公司 |
| WANG Yufang |
矿冶科技集团有限公司 |
| LIU Sanping |
矿冶科技集团有限公司 |
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| Abstract: |
| Resources, energy and environment are important issues restricting the sustainable development of non-ferrous metallurgy. Considering the low reserves, low comprehensive recoveries and heavy environment pollution of non-ferrous metallurgy in China, the principle of minimum chemical reaction equivalent was proposed to analyze and optimize the extraction process from the perspectives of resources, environment, energy, consumption of raw and auxiliary materials, investment and cost etc., to maximize extraction of main and accompanied metals, minimize the material consumption and the environment impact, and improve the economic benefits of enterprises. On the guidance of the principle of minimum chemical reaction equivalent, several technology systems were developed, such as controllable pressure leaching technology of complex resources, and new processing and extraction technology for refractory oxide ores, which have been applied in many industries such as copper, zinc, nickel, cobalt, lithium, molybdenum, etc., meanwhile the accompanied metals such as gallium, germanium, rhenium, gold, silver were comprehensive recovered. The effectively clean extraction of strategic metals and wide application in industry were realized. |
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