结果表明：再磨后的一段精矿经磁筛精选，最终精矿铁品位未能提高；
The results showed that: the final concentrate did not be improved after crude concentrate was screened by magnetic screening;
探索大石河选厂在生产流程的基础上，应用螺旋溜槽，获取粗磨后最终精矿的可能性。
Based on the processing flow of Dashihe separation mill, using spiral sluice, the possibility of obtaining final concentrate under coarse primary grinding is searched for.
采用组合磨矿的闭路试验得到最终精矿品位为20.14%，回收率为78.98%。
The concentrate grade was 20.14% with the recovery of 78.98%.
针对选别梅山铁矿，其最终精矿品位可以达到53.74%，作业回收率为64.61%，高于选厂分选指标。
In connection with Meishan Iron for sorting, the final concentrate grade can reach 53.74%, the operating rate was 64.61%, higher than the selected plants on the separation indexes.
冶炼商和精炼商将干原料(即铜精矿)加工为阳极铜、以及最终加工为阴极铜收取的费用也令人意外地出现了下降。
There has also been a surprise drop in the fees charged by smelters and refiners to process dry feedstock, or copper concentrate as it is known, into anodes and eventually cathodes.
铁矿石选矿中用硫酸铜和氟硅酸钠活化磁黄铁矿，使最终铁精矿合流量降至0.5%以下。
The sulphur content of final iron concentrate can be decreased to less than 0.5% by using copper sulfate and sodium fluosilicate as activator of pyrrhotite contained in iron ore.
庙沟铁矿目前最终铁精矿品位只有64.26%，精矿中含硅较高。
At present, the grade of Miaogou iron concentrate was only 64.26% with high content of silicon.
该铁精矿通过反浮选降硫使含硫降至0.26%，最终获得优质的钒钛磁铁矿精矿。
Then S content in concentrate can be lowered to 0.26% by reverse flotation desulphurization flow-sheet, with high-grade magnetite concentrate finally achieved.
将总精矿进一步分级，最终可获得含铁65%以上的铁精矿。
A final iron concentrate grading over 65.00% can be gained through a further classification of the comprehensive concentrate.
将总精矿进一步分级，最终可获得含铁65%以上的铁精矿。
A final iron concentrate grading over 65.00% can be gained through a further classification of the comprehensive concentrate.
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