【摘要】 介绍昆阳磷矿钙镁磷肥厂利用中低品位磷矿生产优等品钙镁磷肥的工业试验和生产实践的情况。利用中低品位磷矿代替高品位磷矿生产优等品钙镁磷肥，为大量中低品位磷矿资源的合理利用找到了一条行之有效的途径。更多还原

【Abstract】 The industrial experiment and production practice are presented of the manufacture of superior quality calcium magnesium phosphate from low and medium grade phosphate rocks at the Calcium Magnesium Phoshpate Plant of Kunyang Phosphate Mine. The production of this fertilizer from low and medium grade phosphate rocks instead of high grade ones opens up an effective route for the rational utilization of low and medium grade phosphate rocks that are in abundance.更多还原