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一座年生产规模为二千吨(原矿)的化学选矿新厂房在大吉山矿选厂落成,这是该矿在增强企业活力,提高经济效益上努力开辟新途径,开发新产品的结果。化学选矿综合回收是大吉山矿“七五”规划的重点工程项目之一。在这之前,该矿选厂每年产硫化矿二千吨,该硫化矿中主要含有铋、银、钨、铜、钼及硫等有用金属,但用过去的重——浮选矿工艺只能回收部分钼、铋,仍有大量有用
The completion of a new chemical beneficiation plant with an annual production capacity of 2,000 tons (ore) at the Dajishan Mine Processing Plant is the result of the mine’s efforts to explore new ways and new products in enhancing its vitality and enhancing economic efficiency. Comprehensive chemical dressing is Dajishan Mine “Seventh Five-Year Plan” one of the key projects. Prior to this, the ore dressing plant annually produces 2,000 tons of sulphide ore, which mainly contains useful metals such as bismuth, silver, tungsten, copper, molybdenum and sulfur. However, with the heavy-flotation process used in the past, Recycling part of molybdenum, bismuth, there are still a lot of useful