云南晋宁某低品位磷矿选矿技术实验研究OA
Experimental Study on Beneficiation Technology of a Low Grade Phosphate Ore in Jinning,Yunnan
云南晋宁某低品位胶磷矿属于混合型磷块岩,其 w(P2O5)为 18.45％,w(MgO)2.39％,w(SiO2)35.88％.在常温条件下,当磨矿细度≤0.074 mm占97.18％时,采用"正-反浮选工艺流程"对该矿进行选别.通过闭路实验获得w(P2O5)28.51％、w(MgO)0.95％、w(SiO2)19.70％、P2O5 回收率为81.70％的精矿指标,实现了该矿的有效分选.
A low-grade collophanite ore from Jinning,Yunnan Province belongs to mixed phosphate rock,with a w(P2O5)grade of 18.45％,w(MgO)2.39％,and w(SiO2)35.88％.Under normal temperature conditions,when the grinding fineness of-0.074mm accounts for 97.18％,the ore is separated by using the "forward-reverse flotation process",and the concentrate indexes of w(P2O5)28.51％,w(MgO)0.95％,w(SiO2)19.70％,and w(P2O5)recovery of 81.70％ are obtained through closed-circuit experiments.The effective sorting of the mine has been realized.
李若兰;彭丽群;刘润哲;罗昆义;张朝旺
云南磷化集团有限公司,云南 昆明 650600||国家磷资源开发利用工程技术研究中心,云南 昆明 650600
矿山工程
低品位胶磷矿正-反浮选实验研究
Low gradePhosphate orePositive and reverse flotation beneficiationExperimental study
《云南化工》 2024 (006)
49-52 / 4
云南省院士专家工作站(项目编号:202205AF150051).
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