甘肃冶金
甘肅冶金
감숙야금
GANSU METALLURGY
2013年
6期
7-10
,共4页
金矿%浮选%浮尾浸金%D421
金礦%浮選%浮尾浸金%D421
금광%부선%부미침금%D421
gold ore%flotation%leaching gold by cyanide%D421
针对该矿石中金矿物嵌布粒度较细,共生关系密切的特点,在工艺矿物学研究的基础上,采用浮选+浮尾氰化联合工艺流程。在原矿含金为2.72 g/t、适宜的磨矿细度及药剂条件下获得浮选金精矿品位44.76 g/t,回收率67.49%;浮选闭路尾矿经氰化后,可获得总回收率88.19%的优异指标。
針對該礦石中金礦物嵌佈粒度較細,共生關繫密切的特點,在工藝礦物學研究的基礎上,採用浮選+浮尾氰化聯閤工藝流程。在原礦含金為2.72 g/t、適宜的磨礦細度及藥劑條件下穫得浮選金精礦品位44.76 g/t,迴收率67.49%;浮選閉路尾礦經氰化後,可穫得總迴收率88.19%的優異指標。
침대해광석중금광물감포립도교세,공생관계밀절적특점,재공예광물학연구적기출상,채용부선+부미청화연합공예류정。재원광함금위2.72 g/t、괄의적마광세도급약제조건하획득부선금정광품위44.76 g/t,회수솔67.49%;부선폐로미광경청화후,가획득총회수솔88.19%적우이지표。
On the base of detailed study of process mineralogy , according to mineral characteristics of close intergrowth and fine dissemination size of gold minerals , flotation and the tailings of flotation Au treated by cyanide combined process flow-sheet was adopted .On the appropriate grinding conditions and reagent system , gold concentrate containing 44.76g/t Au with Au recovery 66.94%can be obtained .After the closed circuit flotation tailings by cyanide , total recovery can reach 88.19%.