Yongping copper mine low-grade primary sulfide ore bioleaching semi-industrial test breakthrough Recently, Yongping Copper Mine low-grade primary sulfide ore bioleaching semi-industrial tests made breakthrough progress, heap leaching industrial works carried out for the next phase The design provides a reliable basis.
There are a large number of primary sulfide ore in the ore of this mine that is lower than the industrial grade of the exposed mining industry. How to use it effectively is a subject that the relevant departments have been thinking about. In order to further accelerate the industrialization of heap leaching, the mine has carried out a feasibility study on the industrialization of heap leaching in conjunction with relevant scientific research units, and began a semi-industrial test of 5,000 tons of low-grade primary sulphide ore leaching bacteria in July last year. The test was jointly carried out by the Mine Production Technology Department, Xaar Electro-Calcium Plant and Changsha Mine Research Institute. The site was set up in the western dump site, using a new method of bacterial leaching, through tracking, timely statistics, scientific analysis and other methods. Reliable data. After 8 months of hard work, the test achieved good results and the annual leaching rate reached the expected value.
It is reported that the test also proves that the method of bacterial leaching can not only effectively utilize the low-grade primary sulfide ore resources of the mine, but also has positive significance for the in-situ use of products such as dilute sulfuric acid produced by the 400,000 tons of sulfuric acid plant.
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