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国家“七五”科技攻关子专题“花垣型高磷锰矿富集锰降低磷的研究”于1991年3月16日至18日在湖南省吉首市通过冶金部技术鉴定。花垣型锰矿为低锰高磷型碳酸锰矿,锰矿物和磷矿物均以微细颗粒嵌布,机械选矿法无法脱除矿石中的含磷矿物。我国这种类型的锰矿储量极丰富。为了找出合理开发这种锰矿的
National “Seventh Five-Year” scientific and technological project “Huayuan type high phosphorus manganese ore enrichment of manganese to reduce phosphorus research” in March 16, 1991 to 18 in Jishou City, Hunan Province through the Ministry of metallurgy technology appraisal. Huayuan type manganese ore is low manganese and phosphorus type manganese carbonate ore, manganese minerals and phosphorus minerals are embedded in fine particles, mechanical beneficiation method can not remove the ore containing phosphorus minerals. This type of manganese mine in our country is extremely rich in reserves. In order to find a reasonable development of this manganese ore