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总结了我国中低品位磷矿预处理的紧迫性及预处理技术现状、存在的主要问题,介绍了硝酸法预处理中低品位磷矿的研究现状、优势,提出了硝酸法预处理中低品位磷矿的新思路,为中低品位磷矿进一步开发利用指出了一个方向。
This paper summarizes the urgency of pretreatment of middle and low grade phosphorite in our country and the status of the pretreatment technology. The main problems are also introduced. The research status and advantages of pretreatment of medium and low grade phosphate rock by nitric acid method are introduced. The new ideas of phosphate rock indicate a direction for the further development and utilization of low-grade phosphate rock.