关键词: 白钨矿, 浮选, 彼德洛夫法, 加温精选

Abstract: A low grade scheelite in Jiangxi with WO₃ grade of 0.21%,90.48% tungsten exists in form of scheelite.Both low grade and complex disseminated relationship of the scheelite make it difficult to be recovered.For the development and utilization of the ore,beneficiation tests on the ore are conducted.Results show that by adopting the flotation process of one roughing,three cleaning,three scavenging at room temperature,concentrate are enriched to 50%~60% in density,then heated to 90~95 ℃,with stirring and desorption for 60 min.Through another heated process of one roughing,three cleaning,three scavenging,concentrate with WO₃ grade and recovery of 68.19% and 74.68% respectively is achieved.

Key words: Scheelite, Flotation, Petrov Method, Heating clean flotation