Answer: the first to assay the following fe content, if iron content high, can use magnetic pulley cast the tail.

答：先化验以下铁含量，如果铁含量高，可以采用磁滑轮抛尾。

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If is weak magnetic minerals, you need to use a strong magnetic field separators, so that it can effectively recovering iron content, but recycling in ore grade is not high.

如果是弱磁矿物，就需要用强磁场磁选机，这样才能够有效的回收铁矿物，但是回收的铁矿中品位不高。

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