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1引言中国是一个钾资源短缺的国家,进入新的世纪,随着农业的发展、农作物单产的提高,我国需要进口大量的钾肥。为了实现钾矿资源的可持续发展,钾肥生产车间应立足于降低入选钾矿品位。在降低尾矿氯化钾含量的同时,提高钾肥的产品品级。对于钾肥生产原矿的入选品位,以冷分解—浮
1 Introduction China is a country with a shortage of potassium resources. In the new century, with the development of agriculture and the improvement of crop yields, China needs to import a large amount of potash fertilizer. In order to achieve the sustainable development of potash resources, potash production workshop should be based on reducing the grade of selected potassium ore. In reducing tailings potassium chloride content, while improving product quality potash. The selected grade for the production of potassium ore to cold decomposition - floating