白钨是钨矿的一个种类。钨是一种金属元素，银白色的结晶，质硬而脆，熔点很高，可以制成很细的丝和特种合金钢：钨丝、钨铁、钨钢。主要的钨矿有十几种，我国主要有两种；黑钨矿（钨锰铁矿）和白钨矿（钨酸钙矿）。
摇床精矿进行浮选白钨试验。
介绍了栾川白钨资源的现状，简述了历年来白钨综合回收的试验情况。
The situation of scheelite resource in Luanchuan was presented. Tests on Comprehensive recovery of scheelite in several years were analyzed.
半工业试验和工业试验表明，微泡浮选柱能从浮选尾矿中回收微细粒级白钨。
Pilot and full scale column flotation experiments were carried out, and interrelated results were obtained.
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