一、前言金堆城钼业公司500吨选厂,近两年来,围绕提高钼精矿品位,与北京矿冶研究总院进行了大量的工作,对原有工艺流程作了某些改革;对工艺操作做了一些改进。一年多来的实践证明,对提高金堆城钼业公司500吨选厂钼精矿品位收到了一定效果。八○年 I. Introduction Jinduicheng Molybdenum Company 500 tons of dressing plant, the past two years, focusing on improving the grade of molybdenum concentrate, with the Beijing Institute of Mining and Metallurgy conducted a lot of work on the original process made some changes in the process; Process operations made some improvements. More than a year of practice has proved that it has achieved some results in improving the grade of molybdenum concentrates of the 500-ton mill selected by Jinduicheng Molybdenum Company. Eight years